package arena

import (
	"go_dreamfactory/comm"
	"go_dreamfactory/pb"
)

// 参数校验
func (this *apiComp) RankCheck(session comm.IUserSession, req *pb.ArenaRankReq) (errdata *pb.ErrorData) {

	return
}

// /排行榜获取
func (this *apiComp) Rank(session comm.IUserSession, req *pb.ArenaRankReq) (errdata *pb.ErrorData) {
	var (
		info     *pb.DBArenaUser
		uids     []string
		ranks    []*pb.DBArenaUser
		ranksMap map[string]*pb.DBArenaUser
		players  []*pb.ArenaPlayer
		err      error
	)

	if errdata = this.RankCheck(session, req); errdata != nil {
		return
	}
	if info, err = this.module.modelArena.queryPlayerInfo(session.GetUserId()); err != nil {
		errdata = &pb.ErrorData{
			Code:    pb.ErrorCode_DBError,
			Title:   pb.ErrorCode_DBError.ToString(),
			Message: err.Error(),
		}
		return
	}
	if uids, err = this.module.modelRank.queryRankUser(); err != nil {
		errdata = &pb.ErrorData{
			Code:    pb.ErrorCode_DBError,
			Title:   pb.ErrorCode_DBError.ToString(),
			Message: err.Error(),
		}
		return
	}
	if ranks, err = this.module.modelArena.queryPlayers(uids); err != nil {
		errdata = &pb.ErrorData{
			Code:    pb.ErrorCode_DBError,
			Title:   pb.ErrorCode_DBError.ToString(),
			Message: err.Error(),
		}
		return
	}
	ranksMap = make(map[string]*pb.DBArenaUser)
	for _, v := range ranks {
		ranksMap[v.Uid] = v
	}
	players = make([]*pb.ArenaPlayer, 0, len(uids))
	for i, v := range uids {
		if player, ok := ranksMap[v]; ok {
			rank := int32(i + 1)
			players = append(players, &pb.ArenaPlayer{
				Uinfo:    player.Uinfo,
				Dan:      player.Dan,
				Rank:     rank,
				Integral: player.Integral,
			})
			if session.GetUserId() == player.Uinfo.Uid && info.Rank != rank {
				info.Rank = rank
				if err = this.module.modelArena.updateArenaUserInfo(info); err != nil {
					errdata = &pb.ErrorData{
						Code:    pb.ErrorCode_DBError,
						Title:   pb.ErrorCode_DBError.ToString(),
						Message: err.Error(),
					}
				}
			}
		}

	}
	session.SendMsg(string(this.module.GetType()), "rank", &pb.ArenaRankResp{Players: players, Info: info})
	return
}