package category

import (
	"context"
	"database/sql"
	"time"

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

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

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

// 创建分类
func NewCreateCategoryLogic(ctx context.Context, svcCtx *svc.ServiceContext) *CreateCategoryLogic {
	return &CreateCategoryLogic{
		Logger: logx.WithContext(ctx),
		ctx:    ctx,
		svcCtx: svcCtx,
	}
}

func (l *CreateCategoryLogic) CreateCategory(req *types.CreateCategoryRequest) (resp *types.CreateCategoryResponse, err error) {
	// 1. 创建分类
	category := &model.Category{
		Name:        req.Name,
		Description: sql.NullString{String: req.Description, Valid: req.Description != ""},
		CreatedAt:   time.Now(),
		UpdatedAt:   time.Now(),
	}

	_, err = l.svcCtx.CategoryModel.Insert(l.ctx, category)
	if err != nil {
		return nil, err
	}

	// 2. 返回结果
	return &types.CreateCategoryResponse{
		BaseResponse: types.BaseResponse{
			Code:    200,
			Message: "创建成功",
		},
		Data: types.Category{
			Id:          category.Id,
			Name:        category.Name,
			Description: category.Description.String,
			CreatedAt:   category.CreatedAt.Unix(),
			UpdatedAt:   category.UpdatedAt.Unix(),
		},
	}, nil
}