package api

import (
	"errors"
	"fmt"
	"moutai/db/repo"
	"time"

	"github.com/gin-gonic/gin"
	"go.mongodb.org/mongo-driver/bson"
	"go.mongodb.org/mongo-driver/bson/primitive"
)

var clickMap = map[string]struct{}{
	repo.CollectionImages: {},
	repo.CollectionVideos: {},
	repo.CollectionRelics: {},
	repo.CollectionVr:     {},
	repo.CollectionAr:     {},
}

func Clicks(c *gin.Context, apictx *ApiSession) (interface{}, error) {
	ClickType := c.Query("type")
	id := c.Query("id")
	if _, ok := clickMap[ClickType]; ok {
		_, err := repo.RepoUpdateSetDocProps(apictx.CreateRepoCtx(), ClickType, id, bson.M{"$inc": bson.M{"clicks": 1}})
		if err != nil {
			return false, err
		}
		return true, nil

	}
	return false, errors.New("参数错误！")

}

// sort自增
// 查询最大sort值
func getSortInt(apictx *ApiSession, collection string) int {
	out, err := repo.RepoPageSearch(apictx.CreateRepoCtx(), &repo.PageSearchOptions{
		CollectName: collection,
		Page:        1,
		Size:        1,
		// 降序,越大的在前面
		Sort: repo.Map{"sort": -1},
	})
	if err != nil {
		return 0
	}
	if len(out.List) < 1 {
		return 0
	}
	sort := out.List[0]["sort"].(int32)
	fmt.Println("getSortInt: ", sort)
	return int(sort)
}

// 排序置顶
func SortTop(c *gin.Context, apictx *ApiSession) (interface{}, error) {
	// 根据id,type查询获取数据
	ClickType := c.Query("type")
	id := c.Query("id")
	if _, ok := clickMap[ClickType]; ok {
		out, err := repo.RepoPageSearch(apictx.CreateRepoCtx(), &repo.PageSearchOptions{
			CollectName: ClickType,
			Page:        1,
			Size:        1,
			// 降序,越大的在前面
			Sort: repo.Map{"sort": -1},
		})
		// 出错false
		if err != nil {
			return false, err
		}
		// 第一次插入没有数据
		if len(out.List) < 1 {
			return true, nil
		}
		// 有数据
		// 如果是自己
		if id == out.List[0]["_id"].(primitive.ObjectID).Hex() {
			return true, nil
		} else {
			//如果不是自己
			// 更新sort值为: 最大sort的值+1
			sort := out.List[0]["sort"].(int32) + 1
			_, err := repo.RepoUpdateSetDoc(apictx.CreateRepoCtx(), ClickType, id, bson.M{"sort": int(sort)})
			if err != nil {
				return false, err
			}
			return true, nil
		}

	}
	return false, errors.New("参数错误")

}

// sort 上移
func SortPrev(c *gin.Context, apictx *ApiSession) (interface{}, error) {
	// 根据id,type查询获取数据
	ClickType := c.Query("type")
	id := c.Query("id")
	if _, ok := clickMap[ClickType]; ok {
		// 获取当前数据的sort
		_, result := repo.RepoSeachDocMap(apictx.CreateRepoCtx(), &repo.DocSearchOptions{
			CollectName: ClickType,
			Query:       repo.Map{"_id": id},
		})
		currentSort := result["sort"].(int32)
		currentType := ""
		if v, ok := result["type"]; ok {
			currentType = v.(string)
		}
		query := repo.Map{"sort": repo.Map{"$gt": int(currentSort)}}
		if len(currentType) > 0 {
			query["type"] = currentType
		}
		// 获取当前数据的上一条数据的sort
		out, err := repo.RepoPageSearch(apictx.CreateRepoCtx(), &repo.PageSearchOptions{
			CollectName: ClickType,
			Query:       query,
			Page:        1,
			Size:        1,
			// 升序,越小的在前面
			Sort: repo.Map{"sort": 1},
		})
		// 出错false
		if err != nil {
			return false, err
		}
		// 没有数据
		if len(out.List) < 1 {
			return true, nil
		}
		// 有数据
		prevSort := out.List[0]["sort"].(int32)
		prevId := out.List[0]["_id"].(primitive.ObjectID)
		// 交换id
		_, err = repo.RepoUpdateSetDoc(apictx.CreateRepoCtx(), ClickType, id, bson.M{"sort": int(prevSort)})
		if err != nil {
			return false, err
		}
		_, err = repo.RepoUpdateSetDoc(apictx.CreateRepoCtx(), ClickType, prevId.Hex(), bson.M{"sort": int(currentSort)})
		if err != nil {
			return false, err
		}
		return true, nil
	}
	return false, errors.New("参数错误")

}

// sort 下移
func SortNext(c *gin.Context, apictx *ApiSession) (interface{}, error) {
	// 根据id,type查询获取数据
	ClickType := c.Query("type")
	id := c.Query("id")
	if _, ok := clickMap[ClickType]; ok {
		// 获取当前数据的sort
		_, result := repo.RepoSeachDocMap(apictx.CreateRepoCtx(), &repo.DocSearchOptions{
			CollectName: ClickType,
			Query:       repo.Map{"_id": id},
		})
		currentSort := result["sort"].(int32)
		currentType := ""
		if v, ok := result["type"]; ok {
			currentType = v.(string)
		}
		query := repo.Map{"sort": repo.Map{"$lt": int(currentSort)}}
		if len(currentType) > 0 {
			query["type"] = currentType
		}
		// 获取当前数据的上一条数据的sort
		out, err := repo.RepoPageSearch(apictx.CreateRepoCtx(), &repo.PageSearchOptions{
			CollectName: ClickType,
			Query:       query,
			Page:        1,
			Size:        1,
			// 降序,越大的在前面
			Sort: repo.Map{"sort": -1},
		})
		// 出错false
		if err != nil {
			return false, err
		}
		// 没有数据
		if len(out.List) < 1 {
			return true, nil
		}
		// 有数据
		nextSort := out.List[0]["sort"].(int32)
		nextId := out.List[0]["_id"].(primitive.ObjectID)
		// 交换id
		_, err = repo.RepoUpdateSetDoc(apictx.CreateRepoCtx(), ClickType, id, bson.M{"sort": int(nextSort)})
		if err != nil {
			return false, err
		}
		_, err = repo.RepoUpdateSetDoc(apictx.CreateRepoCtx(), ClickType, nextId.Hex(), bson.M{"sort": int(currentSort)})
		if err != nil {
			return false, err
		}
		return true, nil
	}
	return false, errors.New("参数错误")

}

func getQuery(query map[string]interface{}) (map[string]interface{}, map[string]interface{}) {
	if _cid, ok := query["cid"]; ok {
		delete(query, "cid")
		cid, _ := primitive.ObjectIDFromHex(_cid.(string))
		if !cid.IsZero() {
			query["cid"] = cid
		}
	}

	// query name查询
	if _name, ok := query["name"]; ok {
		name := _name.(string)
		delete(query, "name")
		if len(name) > 0 {
			query["name"] = bson.M{"$regex": name, "$options": "$i"}
		}
	}
	// query uploadTime查询
	if _uploadTime, ok := query["uploadTime"]; ok {
		uploadTime := _uploadTime.(string)
		delete(query, "uploadTime")
		if len(uploadTime) > 0 {
			uploadTime, err := time.Parse("2006-01-02", uploadTime)
			if err == nil {
				startTime := time.Date(uploadTime.Year(), uploadTime.Month(), uploadTime.Day(), 0, 0, 0, 0, uploadTime.Location())
				endTime := time.Date(uploadTime.Year(), uploadTime.Month(), uploadTime.Day(), 23, 59, 59, 0, uploadTime.Location())
				query["createTime"] = bson.M{
					"$gte": startTime,
					"$lte": endTime,
				}
			}
		}
	}

	sortMap := repo.Map{}
	// query sort查询
	if _sort, ok := query["sort"]; ok {
		// clicks 排序
		_dclicks := -1
		if _sort.(string) == "clicks" {
			sortMap = repo.Map{"clicks": &_dclicks}
		}
		// sort int自定义排序
		if _sort.(string) == "sort" {
			sortMap = repo.Map{"sort": -1}

		}
		delete(query, "sort")
	}
	fmt.Printf("查询条件:\nquery:%#v\nsortMap: %#v\n", query, sortMap)
	return query, sortMap
}