package freeVidmod

import (
	"encoding/json"
	"errors"
	"fmt"
	"time"

	"91porn-server/app/appg"
	"91porn-server/common"
	"91porn-server/common/db"
	"91porn-server/common/log"
	"91porn-server/common/redis"
	"91porn-server/models"
	"91porn-server/models/commod"
	"91porn-server/web/webg"

	"go.mongodb.org/mongo-driver/bson"
	"go.mongodb.org/mongo-driver/mongo"
	"go.mongodb.org/mongo-driver/mongo/options"
)

var mdb *db.MongoDB

const table = models.FreeVidConfig

func coll(t *db.MongoTool) *db.MongoTool {
	if t == nil {
		return mdb.Coll(table)
	}
	return t.Coll(table)
}

// initIndex 索引设置
func initIndex() {
	many := []mongo.IndexModel{
		{
			Keys:    bson.D{{Key: "uid", Value: 1}},
			Options: options.Index().SetUnique(true),
		},
		{
			Keys: bson.D{{Key: "publisherID", Value: 1}},
		},
		{
			Keys: bson.D{{Key: "createdAt", Value: -1}},
		},
	}
	if _, err := coll(nil).CreateIndex(many); err != nil {
		panic(fmt.Sprintf("%s model set index err ==>[%+v]", table, err))
	}
}

func redisFreeVidKey(uid uint64) string {
	return fmt.Sprintf("freeVidConfigList:%d", uid)
}

// List 条件获取金币配置表
func List(param ListParam) (data WebResp, err error) {
	var freeVidConfig []FreeVidConfig
	std := commod.StdQuery{
		Page: &commod.PageBy{
			CheckNext: false,
			Num:       param.PageNumber,
			Size:      param.PageSize,
		},
		Order: &[]commod.OrderBy{{Key: "updatedAt", Desc: true}},
	}
	opts := commod.ConvertToListQuery(std)
	query, _ := common.ToBsonM(param.ListFilter)
	total, err := coll(nil).Count(query)
	if err != nil {
		log.Error(fmt.Sprintf("[METHOD-%s]==> Model %s %s fail error:%+v:", "List", table, "Count", err))
		return
	}
	if err = coll(nil).Find(&freeVidConfig, query, opts); err != nil {
		log.Error(fmt.Sprintf("[METHOD-%s]==> Model %s %s fail error:%+v:", "List", table, "Find", err))
		return
	}
	data.List = freeVidConfig
	data.Total = total
	return data, nil
}

// 根据uid查找用户免费观看的发布者列表
func FindFreeVidByUid(uid uint64) (*FreeVidConfig, error) {
	var back *FreeVidConfig
	redisKey := redisFreeVidKey(uid)
	redisc := getRedis()
	if redisc == nil || !redisc.Exists(redisKey) {
		if err := coll(nil).FindOne(&back, bson.M{"uid": uid}); err != nil {
			log.Warn("recharge FindFreeVidByUid FindOne fail", log.E(err))
			return nil, err
		}
		if redisc == nil {
			return back, nil
		}
		jsonBytes, err := json.Marshal(back)
		if err != nil {
			return back, err
		}
		_ = redisc.Set(redisKey, string(jsonBytes), 10*time.Minute)
		return back, err
	}
	str, err := redisc.Get(redisKey)
	if err != nil {
		log.Warn(fmt.Sprintf("[METHOD-%s]==> Model %s %s fail error:%+v:", "FindFreeVidByUid", table, "Find", err))
		return nil, err
	}
	if str == nil {
		return back, errors.New("redis key is null")
	}
	return back, json.Unmarshal([]byte(*str), &back)
}

func GetFreeVideoMapByUID(uid uint64) map[uint64]bool {
	m := make(map[uint64]bool)
	free, err := FindFreeVidByUid(uid)
	if err != nil || free == nil {
		return m
	}
	now := time.Now()
	if free.StartTime.After(now) || free.EndTime.Before(now) {
		return m
	}
	for _, v := range free.PublisherID {
		m[v] = true
	}
	return m
}

// InsertOne 插入一条数据
func InsertOne(inc *Incr) error {
	redisCachDel(redisFreeVidKey(inc.Uid))
	inc.CreatedAt = time.Now()
	inc.UpdatedAt = time.Now()
	if _, err := coll(nil).InsertOne(inc); err != nil {
		log.Warn(fmt.Sprintf("[METHOD-%s]==> Model %s %s fail error:%+v:", "InsertOne", table, "InsertOne", err), log.Any("inc", inc))
		return err
	}
	return nil
}

// Delete 删除数据
func Delete(uids []uint64) (int64, error) {
	for _, uid := range uids {
		redisCachDel(redisFreeVidKey(uid))
	}
	result, err := coll(nil).DeleteMany(bson.M{"uid": bson.M{"$in": uids}})
	if err != nil {
		log.Warn(fmt.Sprintf("[METHOD-%s]==> Model %s %s fail error:%+v:", "Delete", table, "Delete", err))
		return 0, err
	}
	return result.DeletedCount, err
}

// Update 免费观看配置更新
func Update(uid uint64, set EditDoc) (int64, error) {
	defer redisCachDel(redisFreeVidKey(uid))
	updateAt := time.Now()
	set.UpdatedAt = updateAt
	result, err := coll(nil).UpdateOne(bson.M{"uid": uid}, bson.M{"$set": set})
	if err != nil {
		log.Warn(fmt.Sprintf("[METHOD-%s]==> Model %s %s fail error:%+v:", "Update", table, "UpdateOne", err),
			log.Any("uid", uid),
			log.Any("set", set),
		)
		return 0, err
	}
	return result.ModifiedCount, nil
}

func redisCachDel(m string) {
	_, _ = getRedis().Del(m)
}

func getRedis() *redis.Client {
	if appg.Redis != nil {
		return appg.Redis
	}
	if webg.Redis != nil {
		return webg.Redis
	}
	return nil
}