package memory

import (
	"yunyan/comm"
	"yunyan/pb"
)

// List 按日期范围/分类拉取记忆项
// @Summary 拉取记忆项
// @Description 按日期范围与分类查询拾忆条目
// @Tags Memory
// @Accept json
// @Produce json
// @Security BearerAuth
// @Param data body pb.MemoryListReq true "请求数据"
// @Success 200 {object} comm.HttpResult{data=pb.MemoryListResp} "响应数据"
// @Router /api/home/memory_list [post]
func (this *apiComp) List(session comm.IUserSession, req *pb.MemoryListReq) (resp *pb.MemoryListResp, errdata *pb.ErrorData) {
	uid, errdata := requireUID(session)
	if errdata != nil {
		return
	}
	if req.StartDate != "" {
		if _, ok := comm.ParseMemoryDate(req.StartDate); !ok {
			errdata = &pb.ErrorData{Code: pb.ErrorCode_MemoryParamInvalid, Message: "start_date 格式应为 YYYY-MM-DD"}
			return
		}
	}
	if req.EndDate != "" {
		if _, ok := comm.ParseMemoryDate(req.EndDate); !ok {
			errdata = &pb.ErrorData{Code: pb.ErrorCode_MemoryParamInvalid, Message: "end_date 格式应为 YYYY-MM-DD"}
			return
		}
	}
	for _, c := range req.Categories {
		if !comm.IsValidMemoryCategory(c) {
			errdata = &pb.ErrorData{Code: pb.ErrorCode_MemoryCategoryInvalid, Message: "不支持的分类: " + c}
			return
		}
	}

	items, total, err := this.module.model.listItems(&itemQuery{
		uid:        uid,
		startDate:  req.StartDate,
		endDate:    req.EndDate,
		categories: req.Categories,
		states:     req.States,
		page:       req.Page,
		size:       clampListSize(req.Size),
	})
	if err != nil {
		this.module.Errorf("memory_list uid:%s err:%v", uid, err)
		errdata = &pb.ErrorData{Code: pb.ErrorCode_DBError, Message: "查询失败"}
		return
	}
	resp = &pb.MemoryListResp{Items: items, Total: total}
	return
}