package userResourcemod

import (
	"91porn-server/common"
	"91porn-server/common/db"
	"91porn-server/common/localcache"
	"91porn-server/common/log"
	"91porn-server/models"
	"fmt"
	"time"

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

var mdb *db.MongoDB

const table = models.UserResource

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

func initIndex() {
	many := []mongo.IndexModel{
		{
			Keys: bson.D{{"type", 1}},
		},
		{
			Keys: bson.D{{"updatedAt", -1}},
		},
	}
	_, err := coll(nil).CreateIndex(many)
	if err != nil {
		panic(fmt.Sprintf("%s model set index err ==>[%+v]", table, err))
	}
}

// getListCnt 获取总数
func getListCnt(cond bson.M) (int64, error) {
	total, err := coll(nil).Count(cond)
	if err != nil {
		log.Error(fmt.Sprintf("[METHOD-%s]==> Model %s %s fail error:%+v:", "getListCnt", table, "Count", err),
			log.Any("cond", cond),
		)
		return 0, err
	}
	return total, nil
}

// GetSkipSize 计算跳转
func getSkipSize(page int, size int, cond bson.M) (int, int64, error) {
	total, err := getListCnt(cond)
	if err != nil {
		return 0, 0, err
	}
	return (page - 1) * size, total, nil
}

// todo app
// GetUserResourceByType 获取用户资源配置
func GetUserResourceByType(rType string) ([]string, error) {
	cacheKey := fmt.Sprintf("GetUserResourceByType:%s", rType)
	cfg, ok := localcache.C.Get(cacheKey)
	if ok {
		return cfg.([]string), nil
	}
	var datas []UserResource
	cond := bson.M{}
	if rType != "" {
		cond = bson.M{"type": rType}
	}

	err := coll(nil).Find(&datas, cond)
	if err != nil {
		log.Error(fmt.Sprintf("[METHOD-%s]==> Model %s %s fail error:%+v:", "GetUserResource", table, "Find", err),
			log.Any("rType", rType))
	}
	res := make([]string, len(datas))
	if len(datas) > 0 {
		for i := range datas {
			res[i] = datas[i].Resource
		}
	}
	common.Go(func() {
		localcache.C.Set(cacheKey, res, 30*time.Minute)
	})
	return res, err
}

// GetUserResource 获取用户资源配置
func GetUserResource(page int, size int, rType string) ([]UserResource, int64, error) {
	var datas []UserResource
	cond := bson.M{}
	if rType != "" {
		cond = bson.M{"type": rType}
	}
	sort := bson.D{{"updatedAt", -1}}
	skip, total, err := getSkipSize(page, size, cond)
	if err != nil {
		return datas, total, err
	}
	opts := options.FindOptions{}
	opts.SetSort(sort).SetSkip(int64(skip)).SetLimit(int64(size))
	err = coll(nil).Find(&datas, cond, &opts)
	if err != nil {
		log.Error(fmt.Sprintf("[METHOD-%s]==> Model %s %s fail error:%+v:", "GetUserResource", table, "Find", err),
			log.Any("page", page),
			log.Any("size", size),
		)
	}
	return datas, total, err
}

// Add 添加
func Add(ur UserResource) error {
	_, err := coll(nil).InsertOne(&ur)
	if err != nil {
		log.Error(fmt.Sprintf("[METHOD-%s]==> Model %s %s fail error:%+v:", "Add", table, "InsertOne", err))
	}
	return err
}

func getRecoUpdate(rType, resource *string) bson.M {
	update := bson.M{"updatedAt": time.Now()}
	if rType != nil {
		update["type"] = *rType
	}
	if resource != nil {
		update["resource"] = *resource
	}
	return update
}

// ModifyUserResource 修改推荐用户信息
func ModifyUserResource(id primitive.ObjectID, rType, resource *string) error {
	cond := bson.M{"_id": id}
	update := getRecoUpdate(rType, resource)
	_, err := coll(nil).UpdateOne(cond, bson.M{"$set": update})
	if err != nil {
		log.Error(fmt.Sprintf("[METHOD-%s]==> Model %s %s fail error:%+v:", "ModifyUserResource", table, "UpdateOne", err),
			log.Any("id", id),
			log.Any("rType", rType),
			log.Any("resource", resource),
		)
	}
	return err
}

// RemoveUserResource 删除推荐用户信息
func RemoveUserResource(id primitive.ObjectID) error {
	cond := bson.M{"_id": id}
	_, err := coll(nil).DeleteOne(cond)
	if err != nil {
		log.Error(fmt.Sprintf("[METHOD-%s]==> Model %s %s fail error:%+v:", "RemoveUserResource", table, "DeleteOne", err),
			log.Any("id", id),
		)
	}
	return err
}

// GetResourceIsExist 资源是否存在
func GetResourceIsExist(resource string) bool {
	b, err := coll(nil).Exists(bson.M{"resource": resource})
	if err != nil {
		log.Error(fmt.Sprintf("[METHOD-%s]==> Model %s %s fail error:%+v:", "GetResourceIsExist", table, "Exists", err))
		return false
	}
	return b
}