package v1

import (
	"git.lzcwy.cn/zhengchiliu/zt-closet-backend/internal/dto"
	"git.lzcwy.cn/zhengchiliu/zt-closet-backend/internal/service"
	"git.lzcwy.cn/zhengchiliu/zt-closet-backend/pkg/app"
	"git.lzcwy.cn/zhengchiliu/zt-closet-backend/pkg/errcode"
	"github.com/gin-gonic/gin"
)

// GoodsHandler 商品相关接口（公开）。
type GoodsHandler struct {
	svc *service.GoodsService
}

// NewGoodsHandler 创建商品 handler。
func NewGoodsHandler() *GoodsHandler {
	return &GoodsHandler{svc: service.NewGoodsService()}
}

// GetByCode 按商品编码查询商品（编码来自路径参数）。
func (h *GoodsHandler) GetByCode(c *gin.Context) {
	response := app.NewResponse(c)
	request := dto.GoodsGetByCodeRequest{GoodsCode: c.Param("code")}
	if request.GoodsCode == "" {
		response.ToErrorResponse(errcode.InvalidParams)
		return
	}
	out, e := h.svc.GetByCode(c.Request.Context(), &request)
	if e != nil {
		response.ToErrorResponse(e)
		return
	}
	response.ToResponse(out)
}

// List 分页查询上架商品。
func (h *GoodsHandler) List(c *gin.Context) {
	response := app.NewResponse(c)
	var request dto.GoodsListRequest
	if err := c.ShouldBindQuery(&request); err != nil {
		response.ToErrorResponse(errcode.InvalidParams.WithDetails(err.Error()))
		return
	}
	out, e := h.svc.List(c.Request.Context(), &request)
	if e != nil {
		response.ToErrorResponse(e)
		return
	}
	response.ToResponse(out)
}