package authoritymod

import (
	"fmt"
	"time"

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

	"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.Authority

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

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

// Insert 插入记录
func Insert(doc AuthorityDoc) error {
	now := time.Now()
	doc.CreatedAt = &now
	doc.UpdatedAt = &now
	if _, err := coll(nil).InsertOne(doc); err != nil {
		log.Error(fmt.Sprintf("[METHOD-%s]==> Model %s %s fail error:%+v:", "Insert", table, "InsertOne", err))
		return err
	}
	return nil
}

// UpdateTo
func UpdateTo(id ObjectID, doc AuthorityDoc) error {
	now := time.Now()
	doc.UpdatedAt = &now
	update, err := common.ToBsonM(doc)
	if err != nil {
		log.Error(fmt.Sprintf("[METHOD-%s]==> Model %s %s fail error:%+v:", "UpdateTo", table, "ToBsonM", err), log.Any("id", id))
		return err
	}
	result, err := coll(nil).UpdateOne(M{"_id": id}, M{"$set": update})
	if err != nil {
		log.Error(fmt.Sprintf("[METHOD-%s]==> Model %s %s fail error:%+v:", "UpdateTo", table, "UpdateOne", err), log.Any("id", id), log.Any("update", update))
		return err
	}
	if result.ModifiedCount+result.UpsertedCount != 1 {
		return fmt.Errorf("coll:%s UpdateTo Count error, id:%+v update:%+v", table, id, update)
	}
	return nil
}

// DeleteMany DeleteMany
func DeleteMany(idArray []ObjectID) error {
	if _, err := coll(nil).DeleteMany(M{"_id": M{"$in": idArray}}); err != nil {
		log.Error(fmt.Sprintf("[METHOD-%s]==> Model %s %s fail error:%+v:", "DeleteMany", table, "DeleteMany", err))
		return err
	}
	return nil
}

func FindOne(doc AuthorityDoc) (authority Authority, err error) {
	filter, err := common.ToBsonM(doc)
	if err != nil {
		log.Error(fmt.Sprintf("[METHOD-%s]==> Model %s %s fail error:%+v:", "FindOne", table, "ToBsonM", err))
		return
	}
	if err = coll(nil).FindOne(&authority, filter); err != nil {
		log.Error(fmt.Sprintf("[METHOD-%s]==> Model %s %s fail error:%+v:", "FindOne", table, "FindOne", err))
	}
	return
}

func ExistsByID(id ObjectID) (existed bool, err error) {
	filter := M{
		"_id": id,
	}
	count, err := coll(nil).Count(filter)
	if err != nil {
		log.Error(fmt.Sprintf("[METHOD-%s]==> Model %s %s fail error:%+v:", "ExistsByID", table, "Count", err))
		return false, err
	}
	return count > 0, nil
}

// FineOneByRole 通过权限id获取权限json
func FineOneByRole(role string) (Authority, error) {
	var auth Authority
	if err := coll(nil).FindOne(&auth, bson.M{"role": role}); err != nil {
		log.Error(fmt.Sprintf("[METHOD-%s]==> Model %s %s fail error:%+v:", "FineOneByRole", table, "FindOne", err), log.Any("role", role))
		return Authority{}, err
	}
	return auth, nil
}

// IDMapByRoles role->id Map
func IDMapByRoles(roleArray []string) (map[string]ObjectID, error) {
	filter := M{
		"role": M{"$in": roleArray},
	}
	authArray := make([]Authority, 0, len(roleArray))
	if err := coll(nil).Find(&authArray, filter); err != nil {
		log.Error(fmt.Sprintf("[METHOD-%s]==> Model %s %s fail error:%+v:", "IDMapByRoles", table, "Find", err), log.Any("roleArray", roleArray))
		return nil, err
	}
	idMap := make(map[string]ObjectID, len(authArray))
	for _, auth := range authArray {
		idMap[auth.Role] = auth.ID
	}
	return idMap, nil
}