package db

import (
	"context"
	capp "f1-game/internal/cherry_app"
	nameDB "f1-game/internal/name/db"
	"fmt"

	clog "github.com/cherry-game/cherry/logger"
	"go.mongodb.org/mongo-driver/v2/bson"
	"go.mongodb.org/mongo-driver/v2/mongo"
	"go.mongodb.org/mongo-driver/v2/mongo/options"
)

// ver00007 修正联盟申请列表为nil的问题
type ver00007 struct {
}

// Version 手动自增，必需唯一
func (ver00007) Version() int32 {
	return 7
}

func (ver00007) Enable() bool {
	return false
}

func (p ver00007) Execute() bool {
	clog.Infof("Execute %v, nodeID = %s", p.Version(), capp.NodeID())

	ctx := context.Background()
	mapLeagueCollection := dbComponent.DB().Collection(nameDB.Table_MapLeague)
	filter := bson.M{
		"NodeID": capp.NodeID(),
	}

	// 查找需要修复的文档
	cursor, err := mapLeagueCollection.Find(ctx, filter)
	if err != nil {
		clog.Errorf("[migrator - %d] Failed to find documents: %v", p.Version(), err)
		return false
	}

	list := []*MapLeagueTable{}
	if err := cursor.All(ctx, &list); err != nil {
		clog.Errorf("[migrator - %d] Failed to decode documents: %v", p.Version(), err)
		return false
	}

	for _, leagueTable := range list {
		leagueTable.LeagueInfo.LeagueApplys.Clear()
	}

	// // 构建批量更新对象
	models := make([]mongo.WriteModel, 0, len(list))
	for _, marchTable := range list {
		tableBytes, err := bson.Marshal(marchTable)
		if err != nil {
			clog.Errorf("[migrator - %d] marshal map march table error: %v", p.Version(), err)
			return false
		}

		// set update
		update := bson.D{{Key: "$set", Value: bson.Raw(tableBytes)}}

		// set filter
		filter := bson.M{
			"_id": marchTable.PrimaryValue(), // 利用自带的_id主键进行条件过滤
		}

		// build *mongo.UpdateOneModel
		model := mongo.NewUpdateOneModel().SetFilter(filter).SetUpdate(update).SetUpsert(true)
		models = append(models, model)
	}

	ops := options.BulkWrite().SetOrdered(false)
	result, err := mapLeagueCollection.BulkWrite(context.TODO(), models, ops)
	if err != nil {
		clog.Errorf("[migrator - %d] bulk write map march table error: %v", p.Version(), err)
		return false
	}

	clog.Infof("[migrator - %d] bulk write map league table success, count:%d", p.Version(), result.ModifiedCount)

	return true
}

func (p ver00007) Desc() string {
	return fmt.Sprintf("[migrator - %d] Fix LeagueApplys", p.Version())
}