package exchcodemod

import (
	"fmt"
	"time"

	"91porn-server/common"
	"91porn-server/common/db"
	"91porn-server/common/log"
	"91porn-server/models"
	"91porn-server/models/commod"

	"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.ExchCode

// initIndex 设置index
func initIndex() {
	many := []mongo.IndexModel{ //batch set indexes   //value is the type 1 or -1
		{
			Keys:    bson.D{{Key: "code", Value: 1}},
			Options: options.Index().SetUnique(true),
		},
		{
			Keys: bson.D{{Key: "batchNum", Value: 1}, {Key: "createdAt", Value: 1}},
		},
		{
			Keys: bson.D{{Key: "app", Value: 1}, {Key: "createdAt", Value: 1}},
		},
		{
			Keys: bson.D{{Key: "channel", Value: 1}, {Key: "createdAt", Value: 1}},
		},
		{
			Keys: bson.D{{Key: "authority", Value: 1}, {Key: "createdAt", Value: 1}},
		},
		{
			Keys: bson.D{{Key: "status", Value: 1}, {Key: "createdAt", 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 coll(t *db.MongoTool) *db.MongoTool {
	if t == nil {
		return mdb.Coll(table)
	}
	return t.Coll(table)
}

func BulkWrite(docs []ExchCode) error {
	writeModels := make([]mongo.WriteModel, len(docs))
	for i, doc := range docs {
		writeModels[i] = mongo.NewInsertOneModel().SetDocument(doc)
	}
	if _, err := coll(nil).Bulk(writeModels); err != nil {
		log.Error(fmt.Sprintf("[METHOD-%s]==> Model %s %s fail error:%+v:", "BulkWrite", table, "Bulk", err))
		return err
	}
	return nil
}

func Insert(e ExchCode) error {
	if _, err := coll(nil).InsertOne(e); err != nil {
		log.Error(fmt.Sprintf("[METHOD-%s]==> Model %s %s fail error:%+v:", "Insert", table, "InsertOne", err))
		return err
	}
	return nil
}

// 获取兑换码
func GetExchangeCodeByCode(code string) (data *ExchCode, err error) {
	if err = coll(nil).FindOne(&data, bson.M{"code": code}); err != nil {
		log.Error(fmt.Sprintf("[METHOD-%s]==> Model %s %s fail error:%+v:", "GetExchangeCodeByCode", table, "FindOne", err),
			log.Any("code", code),
		)
		return
	}
	return
}

// 获取兑换码
func GetExchangeCodeByID(id ObjectID) (data *ExchCode, err error) {
	if err = coll(nil).FindOne(&data, bson.M{"_id": id}); err != nil {
		log.Error(fmt.Sprintf("[METHOD-%s]==> Model %s %s fail error:%+v:", "GetExchangeCodeByCode", table, "FindOne", err),
			log.Any("id", id),
		)
		return
	}
	return
}

// 兑换
func Exchange(code string) (err error) {
	if _, err = coll(nil).UpdateOne(bson.M{"code": code}, bson.M{"$inc": bson.M{"usableNum": -1}, "$set": bson.M{"updatedAt": time.Now()}}); err != nil {
		log.Error(fmt.Sprintf("[METHOD-%s]==> Model %s %s fail error:%+v:", "Exchange", table, "UpdateOne", err),
			log.Any("code", code),
		)
		return
	}
	return
}

// 获取推广码列表
func GetCodeList(filterParams FilterDoc, status *ExchangeStatus, page commod.Page, isSuperAdmin bool) (total int64, data []ExchCode, err error) {
	filter, _ := common.ToBsonM(filterParams)
	if !isSuperAdmin {
		filter["authority"] = bson.M{"$ne": AuthorityGold}
	}
	if status != nil {
		switch *status {
		case StatusExpired:
			filter["invalidAt"] = bson.M{"$lt": time.Now()}
		case StatusUnused:
			filter["invalidAt"] = bson.M{"$gte": time.Now()}
			filter["status"] = *status
		case StatusUsed:
			filter["status"] = *status
		}
	}
	var skip = int64((page.PageNumber - 1) * page.PageSize)
	var limit = int64(page.PageSize)
	var opts = options.Find()
	opts.SetSort(bson.D{{Key: "createdAt", Value: -1}}).SetSkip(skip).SetLimit(limit)
	if err = coll(nil).Find(&data, filter, opts); err != nil {
		log.Error(fmt.Sprintf("[METHOD-%s]==> Model %s %s fail error:%+v:", "GetCodeList", table, "Find", err),
			log.Any("queryParams", filterParams),
			log.Any("page", page),
		)
		return
	}
	if total, err = coll(nil).Count(filter); err != nil {
		log.Error(fmt.Sprintf("[METHOD-%s]==> Model %s %s fail error:%+v:", "GetCodeList", table, "Count", err),
			log.Any("queryParams", filterParams),
			log.Any("page", page),
		)
		return
	}
	return
}

func UpdateExchangeCode(id ObjectID, doc UpdateDoc) (err error) {
	update, _ := common.ToBsonM(doc)
	if _, err = coll(nil).UpdateOne(bson.M{"_id": id}, bson.M{"$set": update}); err != nil {
		log.Error(fmt.Sprintf("[METHOD-%s]==> Model %s %s fail error:%+v:", "UpdateExchangeCode", table, "UpdateOne", err),
			log.Any("id", id),
			log.Any("doc", doc),
		)
		return
	}
	return
}

// 获取最近的批次号
func GetLatestBatchNumber(app AppType) (data ExchCode, err error) {
	var opts = options.FindOne()
	opts.SetSort(bson.D{{Key: "createdAt", Value: -1}})
	if err = coll(nil).FindOne(&data, bson.M{"app": app}, opts); err != nil {
		log.Error(fmt.Sprintf("[METHOD-%s]==> Model %s %s fail error:%+v:", "GetLatestBatchNumber", table, "Find", err),
			log.Any("app", app),
		)
		return
	}
	return
}