package arena

import (
	"context"
	"go_dreamfactory/comm"
	"go_dreamfactory/lego/core"
	"go_dreamfactory/modules"
	"go_dreamfactory/pb"

	"go.mongodb.org/mongo-driver/bson"
	"go.mongodb.org/mongo-driver/mongo"
	"go.mongodb.org/mongo-driver/x/bsonx"
)

///竞技场 数据组件
type modelArena struct {
	modules.MCompModel
	module *Arena
}

//组件初始化接口
func (this *modelArena) Init(service core.IService, module core.IModule, comp core.IModuleComp, opt core.IModuleOptions) (err error) {
	this.TableName = comm.TableArena
	this.MCompModel.Init(service, module, comp, opt)
	this.module = module.(*Arena)
	//创建uid索引
	this.DB.CreateIndex(core.SqlTable(this.TableName), mongo.IndexModel{
		Keys: bsonx.Doc{{Key: "uid", Value: bsonx.Int32(1)}},
	})
	return
}

//获取目标去陪数据
func (this *modelArena) matche(integral int32) (results []*pb.DBArenaUser, err error) {
	var (
		cursor *mongo.Cursor
	)
	project := bson.M{"$project": bson.M{
		"diff": bson.M{
			"$abs": bson.M{"$subtract": bson.A{integral, "$start"}},
		},
	}}
	if cursor, err = this.DBModel.DB.Aggregate(comm.TableArena, bson.A{project}); err != nil {
		this.module.Errorln(err)
		return
	} else {
		for cursor.Next(context.Background()) {
			temp := &pb.DBArenaUser{}
			if err = cursor.Decode(temp); err != nil {
				this.module.Errorln(err)
				return
			}
		}
	}
	return
}