package photo

import (
	"context"

	"photography-backend/internal/model"
	"photography-backend/internal/svc"
	"photography-backend/internal/types"
	"photography-backend/pkg/errorx"

	"github.com/zeromicro/go-zero/core/logx"
)

type GetPhotoLogic struct {
	logx.Logger
	ctx    context.Context
	svcCtx *svc.ServiceContext
}

// 获取照片详情
func NewGetPhotoLogic(ctx context.Context, svcCtx *svc.ServiceContext) *GetPhotoLogic {
	return &GetPhotoLogic{
		Logger: logx.WithContext(ctx),
		ctx:    ctx,
		svcCtx: svcCtx,
	}
}

func (l *GetPhotoLogic) GetPhoto(req *types.GetPhotoRequest) (resp *types.GetPhotoResponse, err error) {
	// 1. 查询照片信息
	photo, err := l.svcCtx.PhotoModel.FindOne(l.ctx, req.Id)
	if err != nil {
		if err == model.ErrNotFound {
			return nil, errorx.NewWithCode(errorx.PhotoNotFound)
		}
		logx.Errorf("查询照片失败: %v", err)
		return nil, errorx.NewWithCode(errorx.ServerError)
	}

	// 2. 返回结果
	return &types.GetPhotoResponse{
		BaseResponse: types.BaseResponse{
			Code:    errorx.Success,
			Message: "查询成功",
		},
		Data: types.Photo{
			Id:            photo.Id,
			Title:         photo.Title,
			Description:   photo.Description.String,
			FilePath:      photo.FilePath,
			ThumbnailPath: photo.ThumbnailPath,
			UserId:        photo.UserId,
			CategoryId:    photo.CategoryId,
			CreatedAt:     photo.CreatedAt.Unix(),
			UpdatedAt:     photo.UpdatedAt.Unix(),
		},
	}, nil
}