// 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 update

import (
	"encoding/json"
	"fmt"

	"github.com/spf13/cobra"
	"go.probo.inc/probo/pkg/cli/api"
	"go.probo.inc/probo/pkg/cmd/cmdutil"
)

const compliancePortalQuery = `
query($id: ID!) {
  node(id: $id) {
    __typename
    ... on Organization {
      compliancePortal {
        id
      }
    }
  }
}
`

const updateMutation = `
mutation($input: UpdateCompliancePortalInput!) {
  updateCompliancePortal(input: $input) {
    compliancePortal {
      id
      active
      searchEngineIndexing
      entityName
      description
      websiteUrl
      email
      headquarterAddress
    }
  }
}
`

type compliancePortalQueryResponse struct {
	Node *struct {
		Typename         string `json:"__typename"`
		CompliancePortal *struct {
			ID string `json:"id"`
		} `json:"compliancePortal"`
	} `json:"node"`
}

type updateResponse struct {
	UpdateCompliancePortal struct {
		CompliancePortal struct {
			ID                   string  `json:"id"`
			Active               bool    `json:"active"`
			SearchEngineIndexing string  `json:"searchEngineIndexing"`
			EntityName           string  `json:"entityName"`
			Description          *string `json:"description"`
			WebsiteURL           *string `json:"websiteUrl"`
			Email                *string `json:"email"`
			HeadquarterAddress   *string `json:"headquarterAddress"`
		} `json:"compliancePortal"`
	} `json:"updateCompliancePortal"`
}

func NewCmdUpdate(f *cmdutil.Factory) *cobra.Command {
	var (
		flagOrg                  string
		flagActive               bool
		flagSearchEngineIndexing string
		flagDescription          string
		flagWebsiteURL           string
		flagEmail                string
		flagHeadquarterAddress   string
		flagEntityName           string
	)

	cmd := &cobra.Command{
		Use:   "update",
		Short: "Update compliance portal settings",
		Example: `  # Enable the compliance portal
  prb compliance-portal update --active

  # Disable search engine indexing
  prb compliance-portal update --search-engine-indexing NOT_INDEXABLE`,
		Args: cobra.NoArgs,
		RunE: func(cmd *cobra.Command, args []string) error {
			cfg, err := f.Config()
			if err != nil {
				return err
			}

			host, hc, err := cfg.DefaultHost()
			if err != nil {
				return err
			}

			client := api.NewClient(
				host,
				hc.Token,
				"/api/console/v1/graphql",
				cfg.HTTPTimeoutDuration(),
				cmdutil.TokenRefreshOption(cfg, host, hc),
			)

			if flagOrg == "" {
				flagOrg = hc.Organization
			}

			if flagOrg == "" {
				return fmt.Errorf("organization is required; pass --org or set a default with 'prb auth login'")
			}

			// Fetch compliance portal ID from organization.
			data, err := client.Do(
				compliancePortalQuery,
				map[string]any{"id": flagOrg},
			)
			if err != nil {
				return err
			}

			var tcResp compliancePortalQueryResponse
			if err := json.Unmarshal(data, &tcResp); err != nil {
				return fmt.Errorf("cannot parse response: %w", err)
			}

			if tcResp.Node == nil {
				return fmt.Errorf("organization %s not found", flagOrg)
			}

			if tcResp.Node.Typename != "Organization" {
				return fmt.Errorf("expected Organization node, got %s", tcResp.Node.Typename)
			}

			if tcResp.Node.CompliancePortal == nil {
				return fmt.Errorf("compliance portal not found for organization %s", flagOrg)
			}

			input := map[string]any{
				"compliancePortalId": tcResp.Node.CompliancePortal.ID,
			}

			if cmd.Flags().Changed("active") {
				input["active"] = flagActive
			}

			if cmd.Flags().Changed("search-engine-indexing") {
				if err := cmdutil.ValidateEnum("search-engine-indexing", flagSearchEngineIndexing, []string{"INDEXABLE", "NOT_INDEXABLE"}); err != nil {
					return err
				}

				input["searchEngineIndexing"] = flagSearchEngineIndexing
			}

			if cmd.Flags().Changed("description") {
				input["description"] = flagDescription
			}

			if cmd.Flags().Changed("website-url") {
				input["websiteUrl"] = flagWebsiteURL
			}

			if cmd.Flags().Changed("email") {
				if flagEmail == "" {
					input["email"] = nil
				} else {
					input["email"] = flagEmail
				}
			}

			if cmd.Flags().Changed("headquarter-address") {
				input["headquarterAddress"] = flagHeadquarterAddress
			}

			if cmd.Flags().Changed("entity-name") {
				input["entityName"] = flagEntityName
			}

			if len(input) == 1 {
				return fmt.Errorf("at least one field must be specified for update")
			}

			data, err = client.Do(
				updateMutation,
				map[string]any{"input": input},
			)
			if err != nil {
				return err
			}

			var resp updateResponse
			if err := json.Unmarshal(data, &resp); err != nil {
				return fmt.Errorf("cannot parse response: %w", err)
			}

			tc := resp.UpdateCompliancePortal.CompliancePortal
			_, _ = fmt.Fprintf(
				f.IOStreams.Out,
				"Updated compliance portal %s\n",
				tc.ID,
			)

			return nil
		},
	}

	cmd.Flags().StringVar(&flagOrg, "org", "", "Organization ID")
	cmd.Flags().BoolVar(&flagActive, "active", false, "Enable or disable the compliance portal")
	cmd.Flags().StringVar(&flagSearchEngineIndexing, "search-engine-indexing", "", "Search engine indexing: INDEXABLE, NOT_INDEXABLE")
	cmd.Flags().StringVar(&flagDescription, "description", "", "Compliance page description")
	cmd.Flags().StringVar(&flagWebsiteURL, "website-url", "", "Compliance page website URL")
	cmd.Flags().StringVar(&flagEmail, "email", "", "Compliance page contact email")
	cmd.Flags().StringVar(&flagHeadquarterAddress, "headquarter-address", "", "Compliance page headquarter address")
	cmd.Flags().StringVar(&flagEntityName, "entity-name", "", "Entity name shown on the public compliance page")

	return cmd
}