// Copyright (c) 2025-2026 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 trust

import (
	"context"
	"fmt"
	"time"

	"go.gearno.de/kit/pg"
	"go.probo.inc/probo/pkg/coredata"
	"go.probo.inc/probo/pkg/gid"
)

type FrameworkService struct {
	svc *Service
}

func (s FrameworkService) Get(
	ctx context.Context,
	scope coredata.Scoper,
	frameworkID gid.GID,
) (*coredata.Framework, error) {
	framework := &coredata.Framework{}

	err := s.svc.pg.WithConn(ctx, func(ctx context.Context, conn pg.Querier) error {
		err := framework.LoadByID(ctx, conn, scope, frameworkID)
		if err != nil {
			return fmt.Errorf("cannot load framework: %w", err)
		}

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

	return framework, nil
}

func (s FrameworkService) GenerateLightLogoURL(
	ctx context.Context,
	scope coredata.Scoper,
	frameworkID gid.GID,
	expiresIn time.Duration,
) (*string, error) {
	file := &coredata.File{}

	err := s.svc.pg.WithConn(
		ctx,
		func(ctx context.Context, conn pg.Querier) error {
			framework := &coredata.Framework{}
			if err := framework.LoadByID(ctx, conn, scope, frameworkID); err != nil {
				return fmt.Errorf("cannot load framework: %w", err)
			}

			if framework.LightLogoFileID == nil {
				return nil
			}

			if err := file.LoadByID(ctx, conn, scope, *framework.LightLogoFileID); err != nil {
				return fmt.Errorf("cannot load file: %w", err)
			}

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

	if file.FileKey == "" {
		return nil, nil
	}

	presignedURL, err := s.svc.fileManager.GeneratePresignedURL(ctx, file, expiresIn)
	if err != nil {
		return nil, fmt.Errorf("cannot generate file URL: %w", err)
	}

	return &presignedURL, nil
}

func (s FrameworkService) GenerateDarkLogoURL(
	ctx context.Context,
	scope coredata.Scoper,
	frameworkID gid.GID,
	expiresIn time.Duration,
) (*string, error) {
	file := &coredata.File{}

	err := s.svc.pg.WithConn(
		ctx,
		func(ctx context.Context, conn pg.Querier) error {
			framework := &coredata.Framework{}
			if err := framework.LoadByID(ctx, conn, scope, frameworkID); err != nil {
				return fmt.Errorf("cannot load framework: %w", err)
			}

			if framework.DarkLogoFileID == nil {
				return nil
			}

			if err := file.LoadByID(ctx, conn, scope, *framework.DarkLogoFileID); err != nil {
				return fmt.Errorf("cannot load file: %w", err)
			}

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

	if file.FileKey == "" {
		return nil, nil
	}

	presignedURL, err := s.svc.fileManager.GeneratePresignedURL(ctx, file, expiresIn)
	if err != nil {
		return nil, fmt.Errorf("cannot generate file URL: %w", err)
	}

	return &presignedURL, nil
}