// Copyright (c) 2026 Probo Inc <hello@probo.com>.
//
// Permission is hereby granted, free of charge, to any person obtaining a copy
// of this software and associated documentation files (the "Software"), to deal
// in the Software without restriction, including without limitation the rights
// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
// copies of the Software, and to permit persons to whom the Software is
// furnished to do so, subject to the following conditions:
//
// The above copyright notice and this permission notice shall be included in
// all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
// SOFTWARE.

package scim

import (
	"context"
	"errors"
	"fmt"
	"net"
	"strings"
	"time"

	"github.com/elimity-com/scim"
	scimerrors "github.com/elimity-com/scim/errors"
	"github.com/elimity-com/scim/optional"
	"github.com/prometheus/client_golang/prometheus"
	scimfilter "github.com/scim2/filter-parser/v2"
	"go.gearno.de/kit/log"
	"go.gearno.de/kit/pg"
	"go.gearno.de/x/ref"
	"go.opentelemetry.io/otel/trace"
	"go.probo.inc/probo/pkg/connector"
	"go.probo.inc/probo/pkg/coredata"
	"go.probo.inc/probo/pkg/crypto/cipher"
	"go.probo.inc/probo/pkg/crypto/hash"
	"go.probo.inc/probo/pkg/crypto/rand"
	"go.probo.inc/probo/pkg/gid"
	"go.probo.inc/probo/pkg/mail"
	"go.probo.inc/probo/pkg/page"
	"go.probo.inc/probo/pkg/webhook"
	webhooktypes "go.probo.inc/probo/pkg/webhook/types"
)

type (
	Service struct {
		pg           *pg.Client
		logger       *log.Logger
		bridgeRunner *BridgeRunner
	}

	ServiceConfig struct {
		TracerProvider    trace.TracerProvider
		Registerer        prometheus.Registerer
		EncryptionKey     cipher.EncryptionKey
		ConnectorRegistry *connector.ConnectorRegistry
		BridgeRunner      BridgeRunnerConfig
	}
)

func NewService(
	pg *pg.Client,
	logger *log.Logger,
	cfg ServiceConfig,
) *Service {
	bridgeRunner := NewBridgeRunner(
		pg,
		logger.Named("bridge-runner"),
		cfg.TracerProvider,
		cfg.Registerer,
		cfg.EncryptionKey,
		cfg.ConnectorRegistry,
		cfg.BridgeRunner,
	)

	return &Service{
		pg:           pg,
		logger:       logger,
		bridgeRunner: bridgeRunner,
	}
}

// Run starts the SCIM service background processes.
func (s *Service) Run(ctx context.Context) error {
	return s.bridgeRunner.Run(ctx)
}

func HashToken(token string) []byte {
	return hash.SHA256String(token)
}

func GenerateToken() (string, error) {
	return rand.HexString(32)
}

// ValidateToken validates a bearer token and returns the SCIM configuration
func (s *Service) ValidateToken(ctx context.Context, token string) (*coredata.SCIMConfiguration, error) {
	hashedToken := HashToken(token)
	config := &coredata.SCIMConfiguration{}

	err := s.pg.WithConn(
		ctx,
		func(ctx context.Context, conn pg.Querier) error {
			err := config.LoadByHashedToken(ctx, conn, hashedToken)
			if err != nil {
				if err == coredata.ErrResourceNotFound {
					return NewSCIMInvalidTokenError()
				}

				return fmt.Errorf("cannot load SCIM configuration: %w", err)
			}

			return nil
		},
	)
	if err != nil {
		return nil, err
	}

	return config, nil
}

func (s *Service) CreateUser(
	ctx context.Context,
	config *coredata.SCIMConfiguration,
	attributes scim.ResourceAttributes,
) (scim.Resource, error) {
	attrs := ParseUserFromAttributes(attributes)
	if attrs.UserName == "" {
		return scim.Resource{}, scimerrors.ScimErrorBadRequest("userName is required")
	}

	if attrs.Email == "" {
		return scim.Resource{}, scimerrors.ScimErrorBadRequest("a valid email is required (via emails array or userName)")
	}

	emailAddr, err := mail.ParseAddr(attrs.Email)
	if err != nil {
		return scim.Resource{}, scimerrors.ScimErrorBadRequest("invalid email format")
	}

	now := time.Now()

	profileState := coredata.ProfileStateActive
	if !attrs.Active {
		profileState = coredata.ProfileStateDeactivated
	}

	var externalIdPtr *string
	if attrs.ExternalID != "" {
		externalIdPtr = &attrs.ExternalID
	}

	var (
		membership *coredata.Membership
		profile    *coredata.MembershipProfile
	)

	scope := coredata.NewScopeFromObjectID(config.OrganizationID)

	err = s.pg.WithTx(ctx, func(ctx context.Context, tx pg.Tx) error {
		identity := &coredata.Identity{}
		if err := identity.LoadByEmail(ctx, tx, emailAddr); err != nil {
			if errors.Is(err, coredata.ErrResourceNotFound) {
				identity = &coredata.Identity{
					ID:                   gid.New(gid.NilTenant, coredata.IdentityEntityType),
					EmailAddress:         emailAddr,
					FullName:             attrs.FullName,
					HashedPassword:       nil,
					EmailAddressVerified: false,
					CreatedAt:            now,
					UpdatedAt:            now,
				}

				if err := identity.Insert(ctx, tx); err != nil {
					return fmt.Errorf("cannot insert identity: %w", err)
				}
			} else {
				return fmt.Errorf("cannot load identity: %w", err)
			}
		}

		eventType := coredata.WebhookEventTypeUserUpdated
		profile = &coredata.MembershipProfile{}

		var previousProfile *coredata.MembershipProfile

		if err := profile.LoadByIdentityIDAndOrganizationID(
			ctx,
			tx,
			coredata.NewScopeFromObjectID(config.OrganizationID),
			identity.ID,
			config.OrganizationID,
		); err != nil {
			if !errors.Is(err, coredata.ErrResourceNotFound) {
				return fmt.Errorf("cannot load profile: %w", err)
			}

			// Profile not found by identity. Try by external ID to
			// handle email renames in identity providers (e.g. Google
			// Workspace) where the external ID stays the same but the
			// email changes. If found, update it to point to the new
			// identity.
			if externalIdPtr != nil {
				if err := profile.LoadByExternalIDAndOrganizationID(
					ctx,
					tx,
					scope,
					*externalIdPtr,
					config.OrganizationID,
				); err == nil {
					snapshot := *profile
					previousProfile = &snapshot

					// Migrate the existing membership to the new identity
					// so the user's role is preserved.
					oldIdentityID := profile.IdentityID

					existingMembership := &coredata.Membership{}
					if err := existingMembership.LoadByIdentityIDAndOrganizationID(
						ctx,
						tx,
						scope,
						oldIdentityID,
						config.OrganizationID,
					); err == nil {
						existingMembership.IdentityID = identity.ID

						existingMembership.UpdatedAt = now
						if err := existingMembership.Update(ctx, tx, scope); err != nil {
							return fmt.Errorf("cannot update membership identity: %w", err)
						}
					} else if !errors.Is(err, coredata.ErrResourceNotFound) {
						return fmt.Errorf("cannot load membership for identity migration: %w", err)
					}

					profile.IdentityID = identity.ID
					profile.EmailAddress = emailAddr
					applyUserAttributes(profile, attrs, externalIdPtr, profileState, now)

					if err := profile.Update(ctx, tx, scope); err != nil {
						return fmt.Errorf("cannot update profile: %w", err)
					}
				} else if !errors.Is(err, coredata.ErrResourceNotFound) {
					return fmt.Errorf("cannot load profile by external id: %w", err)
				}
			}

			if profile.ID == (gid.GID{}) {
				profile = &coredata.MembershipProfile{
					ID:             gid.New(config.OrganizationID.TenantID(), coredata.MembershipProfileEntityType),
					IdentityID:     identity.ID,
					OrganizationID: config.OrganizationID,
					EmailAddress:   emailAddr,
					CreatedAt:      now,
				}
				applyUserAttributes(profile, attrs, externalIdPtr, profileState, now)

				err = profile.Insert(ctx, tx)
				if err != nil {
					if errors.Is(err, coredata.ErrResourceAlreadyExists) {
						return scimerrors.ScimErrorUniqueness
					}

					return fmt.Errorf("cannot insert profile: %w", err)
				}

				eventType = coredata.WebhookEventTypeUserCreated
			}
		} else {
			if previousProfile == nil {
				snapshot := *profile
				previousProfile = &snapshot
			}

			if profile.Source == coredata.ProfileSourceSCIM {
				return scimerrors.ScimErrorUniqueness
			}

			if externalIdPtr != nil {
				if err := profile.ClearExternalID(
					ctx,
					tx,
					scope,
					*externalIdPtr,
					config.OrganizationID,
				); err != nil {
					return fmt.Errorf("cannot clear conflicting external id: %w", err)
				}
			}

			applyUserAttributes(profile, attrs, externalIdPtr, profileState, now)

			if err := profile.Update(ctx, tx, scope); err != nil {
				return fmt.Errorf("cannot update profile: %w", err)
			}
		}

		if !attrs.Active {
			invitations := &coredata.Invitations{}

			onlyPending := coredata.NewInvitationFilter([]coredata.InvitationStatus{coredata.InvitationStatusPending})
			if err := invitations.ExpireByUserID(
				ctx,
				tx,
				coredata.NewScopeFromObjectID(profile.OrganizationID),
				profile.ID,
				onlyPending,
			); err != nil {
				return fmt.Errorf("cannot expire pending invitations: %w", err)
			}

			signatures := &coredata.DocumentVersionSignatures{}
			if err := signatures.DeleteRequestedBySignatory(ctx, tx, scope, profile.ID); err != nil {
				return fmt.Errorf("cannot delete requested signatures: %w", err)
			}
		}

		membership = &coredata.Membership{}
		if err := membership.LoadByIdentityIDAndOrganizationID(
			ctx,
			tx,
			scope,
			identity.ID,
			config.OrganizationID,
		); err != nil {
			if errors.Is(err, coredata.ErrResourceNotFound) {
				membership = &coredata.Membership{
					ID:             gid.New(config.OrganizationID.TenantID(), coredata.MembershipEntityType),
					IdentityID:     identity.ID,
					OrganizationID: config.OrganizationID,
					Role:           coredata.MembershipRoleEmployee,
					CreatedAt:      now,
					UpdatedAt:      now,
				}

				err = membership.Insert(ctx, tx, scope)
				if err != nil {
					return fmt.Errorf("cannot insert membership: %w", err)
				}
			} else {
				return fmt.Errorf("cannot load membership: %w", err)
			}
		}

		var previousUser any
		if eventType == coredata.WebhookEventTypeUserUpdated && previousProfile != nil {
			previousUser = webhooktypes.NewUser(previousProfile, membership)
		}

		if err := webhook.InsertUpdateData(ctx, tx, scope, config.OrganizationID, eventType, webhooktypes.NewUser(profile, membership), previousUser); err != nil {
			return fmt.Errorf("cannot insert webhook event: %w", err)
		}

		return nil
	})
	if err != nil {
		return scim.Resource{}, err
	}

	return userToResource(profile), nil
}

func (s *Service) GetUser(
	ctx context.Context,
	config *coredata.SCIMConfiguration,
	profileID gid.GID,
) (scim.Resource, error) {
	scope := coredata.NewScopeFromObjectID(config.OrganizationID)

	var profile *coredata.MembershipProfile

	err := s.pg.WithConn(
		ctx,
		func(ctx context.Context, conn pg.Querier) error {
			profile = &coredata.MembershipProfile{}
			if err := profile.LoadByID(ctx, conn, scope, profileID); err != nil {
				if err == coredata.ErrResourceNotFound {
					return scimerrors.ScimErrorResourceNotFound(profileID.String())
				}

				return fmt.Errorf("cannot load profile: %w", err)
			}

			if profile.OrganizationID != config.OrganizationID {
				return scimerrors.ScimErrorResourceNotFound(profileID.String())
			}

			return nil
		},
	)
	if err != nil {
		return scim.Resource{}, err
	}

	return userToResource(profile), nil
}

func (s *Service) ListUsers(
	ctx context.Context,
	config *coredata.SCIMConfiguration,
	filterExpr scimfilter.Expression,
	startIndex int,
	count int,
) ([]scim.Resource, int, error) {
	filter, err := ParseUserFilter(filterExpr)
	if err != nil {
		return nil, 0, err
	}

	// Only return SCIM-managed users. This ensures that:
	// 1. Users created through other means (manual, SAML) are not deactivated
	//    when they don't exist in the identity provider.
	// 2. When a manual user exists in the identity provider but not in the
	//    SCIM list, CreateUser is called which enrolls them into SCIM management.
	filter.WithSource(coredata.ProfileSourceSCIM)

	scope := coredata.NewScopeFromObjectID(config.OrganizationID)

	var profiles coredata.MembershipProfiles

	err = s.pg.WithConn(
		ctx,
		func(ctx context.Context, conn pg.Querier) error {
			loaded, err := page.LoadAll(
				ctx,
				page.OrderBy[coredata.MembershipProfileOrderField]{
					Field:     coredata.MembershipProfileOrderFieldCreatedAt,
					Direction: page.OrderDirectionAsc,
				},
				func(ctx context.Context, cursor *page.Cursor[coredata.MembershipProfileOrderField]) ([]*coredata.MembershipProfile, error) {
					var batch coredata.MembershipProfiles
					if err := batch.LoadByOrganizationID(ctx, conn, scope, config.OrganizationID, cursor, filter); err != nil {
						return nil, fmt.Errorf("cannot load profiles: %w", err)
					}

					return batch, nil
				},
			)
			if err != nil {
				return err
			}

			profiles = loaded

			return nil
		},
	)
	if err != nil {
		return nil, 0, err
	}

	resources := make([]scim.Resource, 0, len(profiles))
	for _, p := range profiles {
		resources = append(resources, userToResource(p))
	}

	return resources, len(resources), nil
}

func (s *Service) ReplaceUser(
	ctx context.Context,
	config *coredata.SCIMConfiguration,
	profileID gid.GID,
	attributes scim.ResourceAttributes,
) (scim.Resource, error) {
	attrs := ParseUserFromReplaceAttributes(attributes)

	profile, err := s.updateUser(ctx, config, profileID, attrs)
	if err != nil {
		return scim.Resource{}, err
	}

	return userToResource(profile), nil
}

func (s *Service) PatchUser(
	ctx context.Context,
	config *coredata.SCIMConfiguration,
	profileID gid.GID,
	operations []scim.PatchOperation,
) (scim.Resource, error) {
	attrs := ParseUserFromPatchOperations(operations)

	profile, err := s.updateUser(ctx, config, profileID, attrs)
	if err != nil {
		return scim.Resource{}, err
	}

	return userToResource(profile), nil
}

func (s *Service) updateUser(
	ctx context.Context,
	config *coredata.SCIMConfiguration,
	profileID gid.GID,
	attrs scimReplaceAttributes,
) (*coredata.MembershipProfile, error) {
	scope := coredata.NewScopeFromObjectID(config.OrganizationID)
	now := time.Now()

	var (
		membership *coredata.Membership
		profile    *coredata.MembershipProfile
	)

	err := s.pg.WithTx(
		ctx,
		func(ctx context.Context, tx pg.Tx) error {
			profile = &coredata.MembershipProfile{}
			if err := profile.LoadByID(ctx, tx, scope, profileID); err != nil {
				if errors.Is(err, coredata.ErrResourceNotFound) {
					return scimerrors.ScimErrorResourceNotFound(profileID.String())
				}

				return fmt.Errorf("cannot load profile: %w", err)
			}

			if profile.OrganizationID != config.OrganizationID {
				return scimerrors.ScimErrorResourceNotFound(profileID.String())
			}

			membership = &coredata.Membership{}
			if err := membership.LoadByIdentityIDAndOrganizationID(ctx, tx, scope, profile.IdentityID, profile.OrganizationID); err != nil {
				return fmt.Errorf("cannot load membership: %w", err)
			}

			previousProfile := *profile
			previousMembership := *membership
			previousUser := webhooktypes.NewUser(&previousProfile, &previousMembership)

			shouldReactivate := attrs.Active != nil && *attrs.Active && profile.State == coredata.ProfileStateDeactivated
			shouldDeactivate := attrs.Active != nil && !*attrs.Active && profile.State != coredata.ProfileStateDeactivated

			if attrs.FullName != "" {
				profile.FullName = attrs.FullName
				profile.UpdatedAt = now
			}

			if attrs.Title != nil {
				if *attrs.Title == "" {
					profile.Position = nil
				} else {
					profile.Position = attrs.Title
				}
			}

			if attrs.UserName != nil {
				profile.UserName = attrs.UserName
				profile.UpdatedAt = now
			}

			if attrs.ExternalID != nil {
				if *attrs.ExternalID == "" {
					profile.ExternalID = nil
				} else {
					profile.ExternalID = attrs.ExternalID
				}

				profile.UpdatedAt = now
			}

			if attrs.UserType != nil {
				if *attrs.UserType == "" {
					profile.Kind = nil
				} else {
					profile.Kind = attrs.UserType
				}

				profile.UpdatedAt = now
			}

			if attrs.Nickname != nil {
				if *attrs.Nickname == "" {
					profile.Nickname = nil
				} else {
					profile.Nickname = attrs.Nickname
				}

				profile.UpdatedAt = now
			}

			if attrs.Locale != nil {
				if *attrs.Locale == "" {
					profile.Locale = nil
				} else {
					profile.Locale = attrs.Locale
				}

				profile.UpdatedAt = now
			}

			if attrs.Timezone != nil {
				if *attrs.Timezone == "" {
					profile.Timezone = nil
				} else {
					profile.Timezone = attrs.Timezone
				}

				profile.UpdatedAt = now
			}

			if attrs.ProfileUrl != nil {
				if *attrs.ProfileUrl == "" {
					profile.ProfileUrl = nil
				} else {
					profile.ProfileUrl = attrs.ProfileUrl
				}

				profile.UpdatedAt = now
			}

			if attrs.PreferredLanguage != nil {
				if *attrs.PreferredLanguage == "" {
					profile.PreferredLanguage = nil
				} else {
					profile.PreferredLanguage = attrs.PreferredLanguage
				}

				profile.UpdatedAt = now
			}

			if attrs.GivenName != nil {
				if *attrs.GivenName == "" {
					profile.GivenName = nil
				} else {
					profile.GivenName = attrs.GivenName
				}

				profile.UpdatedAt = now
			}

			if attrs.FamilyName != nil {
				if *attrs.FamilyName == "" {
					profile.FamilyName = nil
				} else {
					profile.FamilyName = attrs.FamilyName
				}

				profile.UpdatedAt = now
			}

			if attrs.FormattedName != nil {
				if *attrs.FormattedName == "" {
					profile.FormattedName = nil
				} else {
					profile.FormattedName = attrs.FormattedName
				}

				profile.UpdatedAt = now
			}

			if attrs.MiddleName != nil {
				if *attrs.MiddleName == "" {
					profile.MiddleName = nil
				} else {
					profile.MiddleName = attrs.MiddleName
				}

				profile.UpdatedAt = now
			}

			if attrs.HonorificPrefix != nil {
				if *attrs.HonorificPrefix == "" {
					profile.HonorificPrefix = nil
				} else {
					profile.HonorificPrefix = attrs.HonorificPrefix
				}

				profile.UpdatedAt = now
			}

			if attrs.HonorificSuffix != nil {
				if *attrs.HonorificSuffix == "" {
					profile.HonorificSuffix = nil
				} else {
					profile.HonorificSuffix = attrs.HonorificSuffix
				}

				profile.UpdatedAt = now
			}

			if attrs.EmployeeNumber != nil {
				if *attrs.EmployeeNumber == "" {
					profile.EmployeeNumber = nil
				} else {
					profile.EmployeeNumber = attrs.EmployeeNumber
				}

				profile.UpdatedAt = now
			}

			if attrs.Department != nil {
				if *attrs.Department == "" {
					profile.Department = nil
				} else {
					profile.Department = attrs.Department
				}

				profile.UpdatedAt = now
			}

			if attrs.CostCenter != nil {
				if *attrs.CostCenter == "" {
					profile.CostCenter = nil
				} else {
					profile.CostCenter = attrs.CostCenter
				}

				profile.UpdatedAt = now
			}

			if attrs.EnterpriseOrganization != nil {
				if *attrs.EnterpriseOrganization == "" {
					profile.EnterpriseOrganization = nil
				} else {
					profile.EnterpriseOrganization = attrs.EnterpriseOrganization
				}

				profile.UpdatedAt = now
			}

			if attrs.Division != nil {
				if *attrs.Division == "" {
					profile.Division = nil
				} else {
					profile.Division = attrs.Division
				}

				profile.UpdatedAt = now
			}

			if attrs.ManagerValue != nil {
				if *attrs.ManagerValue == "" {
					profile.ManagerValue = nil
				} else {
					profile.ManagerValue = attrs.ManagerValue
				}

				profile.UpdatedAt = now
			}

			if shouldReactivate {
				profile.MarkActive(now)
			} else if shouldDeactivate {
				profile.MarkDeactivated(now)
			}

			if profile.Source != coredata.ProfileSourceSCIM {
				profile.Source = coredata.ProfileSourceSCIM
				profile.UpdatedAt = now
			}

			if err := profile.Update(ctx, tx, scope); err != nil {
				return fmt.Errorf("cannot update membership profile: %w", err)
			}

			if shouldDeactivate {
				invitations := &coredata.Invitations{}

				onlyPending := coredata.NewInvitationFilter([]coredata.InvitationStatus{coredata.InvitationStatusPending})
				if err := invitations.ExpireByUserID(
					ctx,
					tx,
					coredata.NewScopeFromObjectID(profile.OrganizationID),
					profile.ID,
					onlyPending,
				); err != nil {
					return fmt.Errorf("cannot expire pending invitations: %w", err)
				}

				signatures := &coredata.DocumentVersionSignatures{}
				if err := signatures.DeleteRequestedBySignatory(ctx, tx, scope, profile.ID); err != nil {
					return fmt.Errorf("cannot delete requested signatures: %w", err)
				}
			}

			needsUpdate := shouldReactivate || shouldDeactivate

			if attrs.Active != nil {
				identity := &coredata.Identity{}
				if err := identity.LoadByID(ctx, tx, membership.IdentityID); err != nil {
					return fmt.Errorf("cannot load identity: %w", err)
				}

				if shouldReactivate {
					membership.Role = coredata.MembershipRoleEmployee
				}
			}

			if needsUpdate {
				membership.UpdatedAt = now
				if err := membership.Update(ctx, tx, scope); err != nil {
					return fmt.Errorf("cannot update membership: %w", err)
				}
			}

			if err := webhook.InsertUpdateData(ctx, tx, scope, config.OrganizationID, coredata.WebhookEventTypeUserUpdated, webhooktypes.NewUser(profile, membership), previousUser); err != nil {
				return fmt.Errorf("cannot insert webhook event: %w", err)
			}

			return nil
		},
	)
	if err != nil {
		return nil, err
	}

	return profile, nil
}

func applyUserAttributes(
	profile *coredata.MembershipProfile,
	attrs scimUserAttributes,
	externalID *string,
	state coredata.ProfileState,
	now time.Time,
) {
	profile.Source = coredata.ProfileSourceSCIM
	switch {
	case state == coredata.ProfileStateActive && profile.State != coredata.ProfileStateActive:
		profile.MarkActive(now)
	case state == coredata.ProfileStateDeactivated && profile.State != coredata.ProfileStateDeactivated:
		profile.MarkDeactivated(now)
	default:
		profile.State = state
	}

	profile.FullName = attrs.FullName
	profile.Position = &attrs.Title
	profile.UserName = &attrs.UserName
	profile.ExternalID = externalID
	profile.Nickname = ref.RefOrNil(attrs.Nickname)
	profile.Locale = ref.RefOrNil(attrs.Locale)
	profile.Timezone = ref.RefOrNil(attrs.Timezone)
	profile.ProfileUrl = ref.RefOrNil(attrs.ProfileUrl)
	profile.PreferredLanguage = ref.RefOrNil(attrs.PreferredLanguage)
	profile.GivenName = ref.RefOrNil(attrs.GivenName)
	profile.FamilyName = ref.RefOrNil(attrs.FamilyName)
	profile.FormattedName = ref.RefOrNil(attrs.FormattedName)
	profile.MiddleName = ref.RefOrNil(attrs.MiddleName)
	profile.HonorificPrefix = ref.RefOrNil(attrs.HonorificPrefix)
	profile.HonorificSuffix = ref.RefOrNil(attrs.HonorificSuffix)
	profile.EmployeeNumber = ref.RefOrNil(attrs.EmployeeNumber)
	profile.Department = ref.RefOrNil(attrs.Department)
	profile.CostCenter = ref.RefOrNil(attrs.CostCenter)
	profile.EnterpriseOrganization = ref.RefOrNil(attrs.EnterpriseOrganization)
	profile.Division = ref.RefOrNil(attrs.Division)
	profile.ManagerValue = ref.RefOrNil(attrs.ManagerValue)
	profile.UpdatedAt = now

	if attrs.UserType != "" {
		kind := attrs.UserType
		profile.Kind = &kind
	}
}

func (s *Service) DeleteUser(
	ctx context.Context,
	config *coredata.SCIMConfiguration,
	profileID gid.GID,
) error {
	scope := coredata.NewScopeFromObjectID(config.OrganizationID)

	return s.pg.WithTx(
		ctx,
		func(ctx context.Context, tx pg.Tx) error {
			profile := &coredata.MembershipProfile{}
			if err := profile.LoadByID(ctx, tx, scope, profileID); err != nil {
				if errors.Is(err, coredata.ErrResourceNotFound) {
					return scimerrors.ScimErrorResourceNotFound(profileID.String())
				}

				return fmt.Errorf("cannot load profile: %w", err)
			}

			if profile.OrganizationID != config.OrganizationID {
				return scimerrors.ScimErrorResourceNotFound(profileID.String())
			}

			var membership *coredata.Membership

			m := &coredata.Membership{}
			if err := m.LoadByIdentityIDAndOrganizationID(
				ctx, tx, scope, profile.IdentityID, config.OrganizationID,
			); err != nil {
				if !errors.Is(err, coredata.ErrResourceNotFound) {
					return fmt.Errorf("cannot load membership: %w", err)
				}
			} else {
				membership = m
			}

			deleteErr := tx.Savepoint(
				ctx,
				func(ctx context.Context, sp pg.Tx) error {
					if err := profile.Delete(ctx, sp, scope, profile.ID); err != nil {
						return fmt.Errorf("cannot delete profile: %w", err)
					}

					return nil
				},
			)
			if deleteErr != nil {
				if errors.Is(deleteErr, coredata.ErrResourceInUse) {
					s.logger.WarnCtx(
						ctx,
						"SCIM user delete skipped, profile is in use",
						log.String("profile_id", profileID.String()),
					)

					if err := s.deactivateProfileInTx(ctx, tx, scope, config, profile, membership); err != nil {
						return fmt.Errorf("cannot deactivate profile: %w", err)
					}

					return nil
				}

				return fmt.Errorf("cannot delete profile in savepoint: %w", deleteErr)
			}

			invitations := &coredata.Invitations{}

			onlyPending := coredata.NewInvitationFilter([]coredata.InvitationStatus{coredata.InvitationStatusPending})
			if err := invitations.ExpireByUserID(
				ctx,
				tx,
				scope,
				profile.ID,
				onlyPending,
			); err != nil {
				return fmt.Errorf("cannot expire pending invitations: %w", err)
			}

			if err := webhook.InsertData(ctx, tx, scope, config.OrganizationID, coredata.WebhookEventTypeUserDeleted, webhooktypes.NewUser(profile, membership)); err != nil {
				return fmt.Errorf("cannot insert webhook event: %w", err)
			}

			if membership != nil {
				if err := membership.Delete(ctx, tx, scope, membership.ID); err != nil {
					return fmt.Errorf("cannot delete membership: %w", err)
				}
			}

			return nil
		},
	)
}

func (s *Service) deactivateProfileInTx(
	ctx context.Context,
	tx pg.Tx,
	scope coredata.Scoper,
	config *coredata.SCIMConfiguration,
	profile *coredata.MembershipProfile,
	membership *coredata.Membership,
) error {
	if profile.State == coredata.ProfileStateDeactivated {
		return nil
	}

	previousUser := webhooktypes.NewUser(profile, membership)

	now := time.Now()
	profile.MarkDeactivated(now)

	if err := profile.Update(ctx, tx, scope); err != nil {
		return fmt.Errorf("cannot deactivate profile: %w", err)
	}

	invitations := &coredata.Invitations{}

	onlyPending := coredata.NewInvitationFilter([]coredata.InvitationStatus{coredata.InvitationStatusPending})
	if err := invitations.ExpireByUserID(
		ctx,
		tx,
		scope,
		profile.ID,
		onlyPending,
	); err != nil {
		return fmt.Errorf("cannot expire pending invitations: %w", err)
	}

	signatures := &coredata.DocumentVersionSignatures{}
	if err := signatures.DeleteRequestedBySignatory(ctx, tx, scope, profile.ID); err != nil {
		return fmt.Errorf("cannot delete requested signatures: %w", err)
	}

	if membership != nil {
		membership.UpdatedAt = now
		if err := membership.Update(ctx, tx, scope); err != nil {
			return fmt.Errorf("cannot update membership: %w", err)
		}
	}

	if err := webhook.InsertUpdateData(ctx, tx, scope, config.OrganizationID, coredata.WebhookEventTypeUserUpdated, webhooktypes.NewUser(profile, membership), previousUser); err != nil {
		return fmt.Errorf("cannot insert webhook event: %w", err)
	}

	return nil
}

func (s *Service) LogEvent(
	ctx context.Context,
	config *coredata.SCIMConfiguration,
	method string,
	path string,
	userName string,
	ipAddress net.IP,
	statusCode int,
	errorMessage *string,
) {
	scope := coredata.NewScopeFromObjectID(config.OrganizationID)

	event := s.createEvent(config, method, path, userName, ipAddress, statusCode, errorMessage)

	err := s.pg.WithTx(
		ctx,
		func(ctx context.Context, tx pg.Tx) error {
			err := event.Insert(ctx, tx, scope)
			if err != nil {
				return fmt.Errorf("cannot insert SCIM event: %w", err)
			}

			return nil
		},
	)
	if err != nil {
		s.logger.ErrorCtx(ctx, "cannot log SCIM event", log.Error(err))
	}
}

func (s *Service) createEvent(
	config *coredata.SCIMConfiguration,
	method string,
	path string,
	userName string,
	ipAddress net.IP,
	statusCode int,
	errorMessage *string,
) *coredata.SCIMEvent {
	event := &coredata.SCIMEvent{
		ID:                  gid.New(config.OrganizationID.TenantID(), coredata.SCIMEventEntityType),
		OrganizationID:      config.OrganizationID,
		SCIMConfigurationID: config.ID,
		Method:              method,
		Path:                path,
		StatusCode:          statusCode,
		ErrorMessage:        errorMessage,
		IPAddress:           ipAddress,
		UserName:            userName,
		CreatedAt:           time.Now(),
	}

	return event
}

type scimUserAttributes struct {
	UserName               string
	Email                  string
	FullName               string
	Active                 bool
	Title                  string
	ExternalID             string
	UserType               string
	Nickname               string
	Locale                 string
	Timezone               string
	ProfileUrl             string
	PreferredLanguage      string
	GivenName              string
	FamilyName             string
	FormattedName          string
	MiddleName             string
	HonorificPrefix        string
	HonorificSuffix        string
	EmployeeNumber         string
	Department             string
	CostCenter             string
	EnterpriseOrganization string
	Division               string
	ManagerValue           string
}

func ParseUserFromAttributes(attributes scim.ResourceAttributes) scimUserAttributes {
	var attrs scimUserAttributes

	attrs.UserName, _ = attributes["userName"].(string)
	displayName, _ := attributes["displayName"].(string)
	attrs.ExternalID, _ = attributes["externalId"].(string)

	attrs.Active = true
	if a, ok := attributes["active"].(bool); ok {
		attrs.Active = a
	}

	var givenName, familyName string
	if name, ok := attributes["name"].(map[string]any); ok {
		givenName, _ = name["givenName"].(string)
		familyName, _ = name["familyName"].(string)
		attrs.FormattedName, _ = name["formatted"].(string)
		attrs.MiddleName, _ = name["middleName"].(string)
		attrs.HonorificPrefix, _ = name["honorificPrefix"].(string)
		attrs.HonorificSuffix, _ = name["honorificSuffix"].(string)
	}

	attrs.GivenName = givenName
	attrs.FamilyName = familyName

	if emails, ok := attributes["emails"].([]any); ok && len(emails) > 0 {
		for _, e := range emails {
			if emailMap, ok := e.(map[string]any); ok {
				if primary, _ := emailMap["primary"].(bool); primary {
					if value, ok := emailMap["value"].(string); ok {
						attrs.Email = value
						break
					}
				}
			}
		}

		if attrs.Email == "" {
			if emailMap, ok := emails[0].(map[string]any); ok {
				if value, ok := emailMap["value"].(string); ok {
					attrs.Email = value
				}
			}
		}
	}

	if attrs.Email == "" {
		if _, err := mail.ParseAddr(attrs.UserName); err == nil {
			attrs.Email = attrs.UserName
		}
	}

	attrs.FullName = displayName
	if attrs.FullName == "" {
		attrs.FullName = strings.TrimSpace(givenName + " " + familyName)
	}

	if attrs.FullName == "" {
		attrs.FullName = attrs.UserName
	}

	attrs.Title, _ = attributes["title"].(string)
	attrs.UserType, _ = attributes["userType"].(string)
	attrs.Nickname, _ = attributes["nickName"].(string)
	attrs.Locale, _ = attributes["locale"].(string)
	attrs.Timezone, _ = attributes["timezone"].(string)
	attrs.ProfileUrl, _ = attributes["profileUrl"].(string)
	attrs.PreferredLanguage, _ = attributes["preferredLanguage"].(string)

	if enterprise, ok := attributes["urn:ietf:params:scim:schemas:extension:enterprise:2.0:User"].(map[string]any); ok {
		attrs.EmployeeNumber, _ = enterprise["employeeNumber"].(string)
		attrs.Department, _ = enterprise["department"].(string)
		attrs.CostCenter, _ = enterprise["costCenter"].(string)
		attrs.EnterpriseOrganization, _ = enterprise["organization"].(string)

		attrs.Division, _ = enterprise["division"].(string)
		if manager, ok := enterprise["manager"].(map[string]any); ok {
			attrs.ManagerValue, _ = manager["value"].(string)
		}
	}

	return attrs
}

type scimReplaceAttributes struct {
	FullName               string
	Active                 *bool
	Title                  *string
	UserName               *string
	ExternalID             *string
	UserType               *string
	Nickname               *string
	Locale                 *string
	Timezone               *string
	ProfileUrl             *string
	PreferredLanguage      *string
	GivenName              *string
	FamilyName             *string
	FormattedName          *string
	MiddleName             *string
	HonorificPrefix        *string
	HonorificSuffix        *string
	EmployeeNumber         *string
	Department             *string
	CostCenter             *string
	EnterpriseOrganization *string
	Division               *string
	ManagerValue           *string
}

func ParseUserFromReplaceAttributes(attributes scim.ResourceAttributes) scimReplaceAttributes {
	var attrs scimReplaceAttributes

	displayName, _ := attributes["displayName"].(string)

	var givenName, familyName string
	if name, ok := attributes["name"].(map[string]any); ok {
		givenName, _ = name["givenName"].(string)

		familyName, _ = name["familyName"].(string)
		if fn, ok := name["formatted"].(string); ok {
			attrs.FormattedName = &fn
		}

		if mn, ok := name["middleName"].(string); ok {
			attrs.MiddleName = &mn
		}

		if hp, ok := name["honorificPrefix"].(string); ok {
			attrs.HonorificPrefix = &hp
		}

		if hs, ok := name["honorificSuffix"].(string); ok {
			attrs.HonorificSuffix = &hs
		}
	}

	attrs.GivenName = &givenName
	attrs.FamilyName = &familyName

	attrs.FullName = displayName
	if attrs.FullName == "" {
		attrs.FullName = strings.TrimSpace(givenName + " " + familyName)
	}

	activeVal := true
	if a, ok := attributes["active"].(bool); ok {
		activeVal = a
	}

	attrs.Active = &activeVal

	t, _ := attributes["title"].(string)
	attrs.Title = &t

	if un, ok := attributes["userName"].(string); ok && un != "" {
		attrs.UserName = &un
	}

	if eid, ok := attributes["externalId"].(string); ok && eid != "" {
		attrs.ExternalID = &eid
	}

	if ut, ok := attributes["userType"].(string); ok {
		attrs.UserType = &ut
	}

	if nn, ok := attributes["nickName"].(string); ok {
		attrs.Nickname = &nn
	}

	if l, ok := attributes["locale"].(string); ok {
		attrs.Locale = &l
	}

	if tz, ok := attributes["timezone"].(string); ok {
		attrs.Timezone = &tz
	}

	if pu, ok := attributes["profileUrl"].(string); ok {
		attrs.ProfileUrl = &pu
	}

	if pl, ok := attributes["preferredLanguage"].(string); ok {
		attrs.PreferredLanguage = &pl
	}

	if enterprise, ok := attributes["urn:ietf:params:scim:schemas:extension:enterprise:2.0:User"].(map[string]any); ok {
		if en, ok := enterprise["employeeNumber"].(string); ok {
			attrs.EmployeeNumber = &en
		}

		if dept, ok := enterprise["department"].(string); ok {
			attrs.Department = &dept
		}

		if cc, ok := enterprise["costCenter"].(string); ok {
			attrs.CostCenter = &cc
		}

		if org, ok := enterprise["organization"].(string); ok {
			attrs.EnterpriseOrganization = &org
		}

		if div, ok := enterprise["division"].(string); ok {
			attrs.Division = &div
		}

		if manager, ok := enterprise["manager"].(map[string]any); ok {
			if mv, ok := manager["value"].(string); ok {
				attrs.ManagerValue = &mv
			}
		}
	}

	return attrs
}

func ParseUserFromPatchOperations(operations []scim.PatchOperation) scimReplaceAttributes {
	var (
		attrs                 scimReplaceAttributes
		givenName, familyName string
	)

	empty := ""

	for _, op := range operations {
		if strings.EqualFold(op.Op, "remove") {
			path := ""
			if op.Path != nil {
				path = op.Path.String()
			}

			switch strings.ToLower(path) {
			case "title":
				attrs.Title = &empty
			case "usertype":
				attrs.UserType = &empty
			case "nickname":
				attrs.Nickname = &empty
			case "locale":
				attrs.Locale = &empty
			case "timezone":
				attrs.Timezone = &empty
			case "profileurl":
				attrs.ProfileUrl = &empty
			case "externalid":
				attrs.ExternalID = &empty
			case "preferredlanguage":
				attrs.PreferredLanguage = &empty
			case "name":
				attrs.GivenName = &empty
				attrs.FamilyName = &empty
				attrs.FormattedName = &empty
				attrs.MiddleName = &empty
				attrs.HonorificPrefix = &empty
				attrs.HonorificSuffix = &empty
			case "name.givenname":
				attrs.GivenName = &empty
			case "name.familyname":
				attrs.FamilyName = &empty
			case "name.formatted":
				attrs.FormattedName = &empty
			case "name.middlename":
				attrs.MiddleName = &empty
			case "name.honorificprefix":
				attrs.HonorificPrefix = &empty
			case "name.honorificsuffix":
				attrs.HonorificSuffix = &empty
			case "urn:ietf:params:scim:schemas:extension:enterprise:2.0:user":
				attrs.EmployeeNumber = &empty
				attrs.Department = &empty
				attrs.CostCenter = &empty
				attrs.EnterpriseOrganization = &empty
				attrs.Division = &empty
				attrs.ManagerValue = &empty
			case "urn:ietf:params:scim:schemas:extension:enterprise:2.0:user:employeenumber":
				attrs.EmployeeNumber = &empty
			case "urn:ietf:params:scim:schemas:extension:enterprise:2.0:user:department":
				attrs.Department = &empty
			case "urn:ietf:params:scim:schemas:extension:enterprise:2.0:user:costcenter":
				attrs.CostCenter = &empty
			case "urn:ietf:params:scim:schemas:extension:enterprise:2.0:user:organization":
				attrs.EnterpriseOrganization = &empty
			case "urn:ietf:params:scim:schemas:extension:enterprise:2.0:user:division":
				attrs.Division = &empty
			case "urn:ietf:params:scim:schemas:extension:enterprise:2.0:user:manager",
				"urn:ietf:params:scim:schemas:extension:enterprise:2.0:user:manager.value":
				attrs.ManagerValue = &empty
			}

			continue
		}

		if strings.EqualFold(op.Op, "replace") || strings.EqualFold(op.Op, "add") {
			path := ""
			if op.Path != nil {
				path = op.Path.String()
			}

			if path == "" {
				if valueMap, ok := op.Value.(map[string]any); ok {
					if a, ok := valueMap["active"].(bool); ok {
						attrs.Active = &a
					}

					if name, ok := valueMap["displayName"].(string); ok {
						attrs.FullName = name
					}

					if nameMap, ok := valueMap["name"].(map[string]any); ok {
						if gn, ok := nameMap["givenName"].(string); ok {
							givenName = gn
						}

						if fn, ok := nameMap["familyName"].(string); ok {
							familyName = fn
						}

						if fm, ok := nameMap["formatted"].(string); ok {
							attrs.FormattedName = &fm
						}

						if mn, ok := nameMap["middleName"].(string); ok {
							attrs.MiddleName = &mn
						}

						if hp, ok := nameMap["honorificPrefix"].(string); ok {
							attrs.HonorificPrefix = &hp
						}

						if hs, ok := nameMap["honorificSuffix"].(string); ok {
							attrs.HonorificSuffix = &hs
						}
					}

					if un, ok := valueMap["userName"].(string); ok && un != "" {
						attrs.UserName = &un
					}

					if eid, ok := valueMap["externalId"].(string); ok && eid != "" {
						attrs.ExternalID = &eid
					}

					if t, ok := valueMap["title"].(string); ok {
						attrs.Title = &t
					}

					if ut, ok := valueMap["userType"].(string); ok {
						attrs.UserType = &ut
					}

					if nn, ok := valueMap["nickName"].(string); ok {
						attrs.Nickname = &nn
					}

					if l, ok := valueMap["locale"].(string); ok {
						attrs.Locale = &l
					}

					if tz, ok := valueMap["timezone"].(string); ok {
						attrs.Timezone = &tz
					}

					if pu, ok := valueMap["profileUrl"].(string); ok {
						attrs.ProfileUrl = &pu
					}

					if pl, ok := valueMap["preferredLanguage"].(string); ok {
						attrs.PreferredLanguage = &pl
					}

					if enterprise, ok := valueMap["urn:ietf:params:scim:schemas:extension:enterprise:2.0:User"].(map[string]any); ok {
						if en, ok := enterprise["employeeNumber"].(string); ok {
							attrs.EmployeeNumber = &en
						}

						if dept, ok := enterprise["department"].(string); ok {
							attrs.Department = &dept
						}

						if cc, ok := enterprise["costCenter"].(string); ok {
							attrs.CostCenter = &cc
						}

						if org, ok := enterprise["organization"].(string); ok {
							attrs.EnterpriseOrganization = &org
						}

						if div, ok := enterprise["division"].(string); ok {
							attrs.Division = &div
						}

						if manager, ok := enterprise["manager"].(map[string]any); ok {
							if mv, ok := manager["value"].(string); ok {
								attrs.ManagerValue = &mv
							}
						}
					}

					for key, val := range valueMap {
						switch strings.ToLower(key) {
						case "name.givenname":
							if s, ok := val.(string); ok {
								givenName = s
								attrs.GivenName = &givenName
							}
						case "name.familyname":
							if s, ok := val.(string); ok {
								familyName = s
								attrs.FamilyName = &familyName
							}
						case "name.formatted":
							if s, ok := val.(string); ok {
								attrs.FormattedName = &s
							}
						case "name.middlename":
							if s, ok := val.(string); ok {
								attrs.MiddleName = &s
							}
						case "name.honorificprefix":
							if s, ok := val.(string); ok {
								attrs.HonorificPrefix = &s
							}
						case "name.honorificsuffix":
							if s, ok := val.(string); ok {
								attrs.HonorificSuffix = &s
							}
						case "urn:ietf:params:scim:schemas:extension:enterprise:2.0:user:employeenumber":
							if s, ok := val.(string); ok {
								attrs.EmployeeNumber = &s
							}
						case "urn:ietf:params:scim:schemas:extension:enterprise:2.0:user:department":
							if s, ok := val.(string); ok {
								attrs.Department = &s
							}
						case "urn:ietf:params:scim:schemas:extension:enterprise:2.0:user:costcenter":
							if s, ok := val.(string); ok {
								attrs.CostCenter = &s
							}
						case "urn:ietf:params:scim:schemas:extension:enterprise:2.0:user:organization":
							if s, ok := val.(string); ok {
								attrs.EnterpriseOrganization = &s
							}
						case "urn:ietf:params:scim:schemas:extension:enterprise:2.0:user:division":
							if s, ok := val.(string); ok {
								attrs.Division = &s
							}
						case "urn:ietf:params:scim:schemas:extension:enterprise:2.0:user:manager.value":
							if s, ok := val.(string); ok {
								attrs.ManagerValue = &s
							}
						}
					}
				}

				continue
			}

			switch strings.ToLower(path) {
			case "active":
				if a, ok := op.Value.(bool); ok {
					attrs.Active = &a
				}
			case "displayname":
				if name, ok := op.Value.(string); ok {
					attrs.FullName = name
				}
			case "name":
				if nameMap, ok := op.Value.(map[string]any); ok {
					if gn, ok := nameMap["givenName"].(string); ok {
						givenName = gn
						attrs.GivenName = &givenName
					}

					if fn, ok := nameMap["familyName"].(string); ok {
						familyName = fn
						attrs.FamilyName = &familyName
					}

					if fm, ok := nameMap["formatted"].(string); ok {
						attrs.FormattedName = &fm
					}

					if mn, ok := nameMap["middleName"].(string); ok {
						attrs.MiddleName = &mn
					}

					if hp, ok := nameMap["honorificPrefix"].(string); ok {
						attrs.HonorificPrefix = &hp
					}

					if hs, ok := nameMap["honorificSuffix"].(string); ok {
						attrs.HonorificSuffix = &hs
					}
				}
			case "name.givenname":
				if name, ok := op.Value.(string); ok {
					givenName = name
					attrs.GivenName = &givenName
				}
			case "name.familyname":
				if name, ok := op.Value.(string); ok {
					familyName = name
					attrs.FamilyName = &familyName
				}
			case "name.formatted":
				if fm, ok := op.Value.(string); ok {
					attrs.FormattedName = &fm
				}
			case "name.middlename":
				if mn, ok := op.Value.(string); ok {
					attrs.MiddleName = &mn
				}
			case "name.honorificprefix":
				if hp, ok := op.Value.(string); ok {
					attrs.HonorificPrefix = &hp
				}
			case "name.honorificsuffix":
				if hs, ok := op.Value.(string); ok {
					attrs.HonorificSuffix = &hs
				}
			case "title":
				if t, ok := op.Value.(string); ok {
					attrs.Title = &t
				}
			case "username":
				if un, ok := op.Value.(string); ok && un != "" {
					attrs.UserName = &un
				}
			case "externalid":
				if eid, ok := op.Value.(string); ok && eid != "" {
					attrs.ExternalID = &eid
				}
			case "usertype":
				if ut, ok := op.Value.(string); ok {
					attrs.UserType = &ut
				}
			case "nickname":
				if nn, ok := op.Value.(string); ok {
					attrs.Nickname = &nn
				}
			case "locale":
				if l, ok := op.Value.(string); ok {
					attrs.Locale = &l
				}
			case "timezone":
				if tz, ok := op.Value.(string); ok {
					attrs.Timezone = &tz
				}
			case "profileurl":
				if pu, ok := op.Value.(string); ok {
					attrs.ProfileUrl = &pu
				}
			case "preferredlanguage":
				if pl, ok := op.Value.(string); ok {
					attrs.PreferredLanguage = &pl
				}
			case "urn:ietf:params:scim:schemas:extension:enterprise:2.0:user":
				if enterprise, ok := op.Value.(map[string]any); ok {
					if en, ok := enterprise["employeeNumber"].(string); ok {
						attrs.EmployeeNumber = &en
					}

					if dept, ok := enterprise["department"].(string); ok {
						attrs.Department = &dept
					}

					if cc, ok := enterprise["costCenter"].(string); ok {
						attrs.CostCenter = &cc
					}

					if org, ok := enterprise["organization"].(string); ok {
						attrs.EnterpriseOrganization = &org
					}

					if div, ok := enterprise["division"].(string); ok {
						attrs.Division = &div
					}

					if manager, ok := enterprise["manager"].(map[string]any); ok {
						if mv, ok := manager["value"].(string); ok {
							attrs.ManagerValue = &mv
						}
					}
				}
			case "urn:ietf:params:scim:schemas:extension:enterprise:2.0:user:employeenumber":
				if en, ok := op.Value.(string); ok {
					attrs.EmployeeNumber = &en
				}
			case "urn:ietf:params:scim:schemas:extension:enterprise:2.0:user:department":
				if dept, ok := op.Value.(string); ok {
					attrs.Department = &dept
				}
			case "urn:ietf:params:scim:schemas:extension:enterprise:2.0:user:costcenter":
				if cc, ok := op.Value.(string); ok {
					attrs.CostCenter = &cc
				}
			case "urn:ietf:params:scim:schemas:extension:enterprise:2.0:user:organization":
				if org, ok := op.Value.(string); ok {
					attrs.EnterpriseOrganization = &org
				}
			case "urn:ietf:params:scim:schemas:extension:enterprise:2.0:user:division":
				if div, ok := op.Value.(string); ok {
					attrs.Division = &div
				}
			case "urn:ietf:params:scim:schemas:extension:enterprise:2.0:user:manager":
				if manager, ok := op.Value.(map[string]any); ok {
					if mv, ok := manager["value"].(string); ok {
						attrs.ManagerValue = &mv
					}
				} else if mv, ok := op.Value.(string); ok {
					attrs.ManagerValue = &mv
				}
			case "urn:ietf:params:scim:schemas:extension:enterprise:2.0:user:manager.value":
				if mv, ok := op.Value.(string); ok {
					attrs.ManagerValue = &mv
				}
			}
		}
	}

	if attrs.FullName == "" && (givenName != "" || familyName != "") {
		attrs.FullName = strings.TrimSpace(givenName + " " + familyName)
	}

	if givenName != "" && attrs.GivenName == nil {
		attrs.GivenName = &givenName
	}

	if familyName != "" && attrs.FamilyName == nil {
		attrs.FamilyName = &familyName
	}

	return attrs
}

func userToResource(p *coredata.MembershipProfile) scim.Resource {
	externalID := optional.NewString(p.ID.String())
	if p.ExternalID != nil {
		externalID = optional.NewString(*p.ExternalID)
	}

	formattedName := p.FullName
	if p.FormattedName != nil {
		formattedName = *p.FormattedName
	}

	nameMap := map[string]any{
		"formatted":       formattedName,
		"givenName":       ref.UnrefOrZero(p.GivenName),
		"familyName":      ref.UnrefOrZero(p.FamilyName),
		"middleName":      ref.UnrefOrZero(p.MiddleName),
		"honorificPrefix": ref.UnrefOrZero(p.HonorificPrefix),
		"honorificSuffix": ref.UnrefOrZero(p.HonorificSuffix),
	}

	enterpriseAttrs := map[string]any{
		"employeeNumber": ref.UnrefOrZero(p.EmployeeNumber),
		"department":     ref.UnrefOrZero(p.Department),
		"costCenter":     ref.UnrefOrZero(p.CostCenter),
		"organization":   ref.UnrefOrZero(p.EnterpriseOrganization),
		"division":       ref.UnrefOrZero(p.Division),
		"manager": map[string]any{
			"value": ref.UnrefOrZero(p.ManagerValue),
		},
	}

	return scim.Resource{
		ID:         p.ID.String(),
		ExternalID: externalID,
		Attributes: scim.ResourceAttributes{
			"userName":    *p.UserName,
			"displayName": p.FullName,
			"active":      p.State == coredata.ProfileStateActive,
			"name":        nameMap,
			"emails": []map[string]any{
				{
					"value":   p.EmailAddress.String(),
					"type":    "work",
					"primary": true,
				},
			},
			"title":             p.Position,
			"userType":          string(ref.UnrefOrZero(p.Kind)),
			"nickName":          ref.UnrefOrZero(p.Nickname),
			"locale":            ref.UnrefOrZero(p.Locale),
			"timezone":          ref.UnrefOrZero(p.Timezone),
			"profileUrl":        ref.UnrefOrZero(p.ProfileUrl),
			"preferredLanguage": ref.UnrefOrZero(p.PreferredLanguage),
			"urn:ietf:params:scim:schemas:extension:enterprise:2.0:User": enterpriseAttrs,
		},
		Meta: scim.Meta{
			Created:      &p.CreatedAt,
			LastModified: &p.UpdatedAt,
		},
	}
}