import { GVGCityType } from './../../../db/GVGCity';
import { GVGRecModel } from '../../../db/GVGRec';
import { LeagueGood } from '../../../domain/gvgField/returnData';
import { GVGTeamModel, GVGTeamType } from '../../../db/GVGTeam';
import { GVGUserDataModel } from '../../../db/GVGUserData';
import { GVGCityModel } from '../../../db/GVGCity';
import { Application, BackendSession, ChannelService, HandlerService } from "pinus";
import { DEBUG_MAGIC_WORD, GVG_PERIOD, STATUS } from "../../../consts";
import { LineupHero } from "../../../domain/roleField/hero";
import { resResult, genCode } from "../../../pubUtils/util";
import { GVGLeagueModel } from '../../../db/GVGLeague';
import { checkGVGPeriod, getGroupIdOfServer, getGVGConfig, getGVGPeriodData, getGVGServerType } from '../../../services/gvg/gvgService';
import { checkMoveStatus, getBirthAreaOfCity, initRobots } from '../../../services/gvg/gvgBattleService';
import { getGVGBattleData } from '../../../services/gvg/gvgBattleMemory';
import { nowSeconds } from '../../../pubUtils/timeUtil';
import { GVGBattleRecModel } from '../../../db/GVGBattleRec';

export default function (app: Application) {
    new HandlerService(app, {});
    return new GVGBattleHandler(app);
}

export class GVGBattleHandler {
    channelService: ChannelService;

    constructor(private app: Application) {
        this.channelService = app.get('channelService');
    }

    // 获取我的编队信息
    async getTeams(msg: {}, session: BackendSession) {
        
    }

    // 保存队伍
    // index: 队伍索引位置
    // head: 头像
    // frame: 相框
    // spine: 形象
    // lineup: 阵容
    async saveTeam(msg: { index: number, head: number, frame: number, spine: number, lineup: [ LineupHero ] }, session: BackendSession) {
        if(checkGVGPeriod(GVG_PERIOD.BATTLE)) return resResult(STATUS.GVG_NOT_BATTLE_PERIOD);

        const roleId = session.get('roleId');
        const guildCode = session.get('guildCode');

        let myLeague = await GVGLeagueModel.findLeagueByGuild(guildCode);
        if(!myLeague) return resResult(STATUS.GVG_LEAGUE_NOT_EXIST);
        const { index, head, frame, spine, lineup } = msg;
        const team = await GVGTeamModel.saveTeam(roleId, myLeague.leagueCode, index, head, frame, spine, lineup);
        if (!team) {
            return resResult(STATUS.GVG_SAVE_TEAM_FAILED);
        }
        return resResult(STATUS.SUCCESS, { teams: [ team.teamCode ] });
    }

    // 获取城池信息
    async getCity(msg: { cityId: number }, session: BackendSession) {
        const guildCode = session.get('guildCode');
        const { cityId } = msg;
        let { configId } = getGVGPeriodData();

        let myLeague = await GVGLeagueModel.findLeagueByGuild(guildCode);
        if(!myLeague) return resResult(STATUS.GVG_LEAGUE_NOT_EXIST);

        const city = await GVGCityModel.findOne({ configId, cityId }).lean();
        const { guardLeague: leagueCode, guardLeagueName: name, guardLeagueIcon: icon } = city;
        const { battleTime: startTime, scheduleTime } = getGVGConfig();
        const cityTeamCnt = await GVGTeamModel.getTeamCntByCity(cityId);
        const leagueTeamCnt = await GVGTeamModel.getTeamCntByCity(cityId, myLeague.leagueCode);

        return resResult(STATUS.SUCCESS, { 
            cityId,
            guardLeague: { leagueCode, name, icon },
            startTime,
            endTime: scheduleTime, // ! endTime 修正
            ourTeamCnt: leagueTeamCnt,
            oppTeamCnt: cityTeamCnt - leagueTeamCnt, // ! 总数是否直接存储在城池中，或有其它更好的方案
         });
    }

    // 进入城池之前的检查
    async checkMyTeam(msg: { cityId: number }, session: BackendSession) {
        if(!checkGVGPeriod(GVG_PERIOD.BATTLE)) return resResult(STATUS.GVG_NOT_BATTLE_PERIOD);
        const roleId = session.get('roleId');
        const { cityId } = msg;
        const resData = {};
        const teams = await GVGTeamModel.findByRole(roleId);
        // 玩家队伍信息中城池id不一致，说明玩家已经进入了其他城池
        if (teams && teams.length > 0 && teams[0].cityId && teams[0].cityId !== cityId) {
            resData['hasSettled'] = true;
            resData['cityId'] = teams[0].cityId;
        }
        return resResult(STATUS.SUCCESS, resData);
    }

    // 进入城池
    async enterCity(msg: { cityId: number }, session: BackendSession) {
        if(!checkGVGPeriod(GVG_PERIOD.BATTLE)) return resResult(STATUS.GVG_NOT_BATTLE_PERIOD);

        const roleId = session.get('roleId');
        const serverId = session.get('serverId');
        const guildCode = session.get('guildCode');

        const { cityId } = msg;
        let { configId } = getGVGPeriodData();

        let groupId = await getGroupIdOfServer(serverId);
        let serverType = await getGVGServerType(serverId);

        let myLeague = await GVGLeagueModel.findLeagueByGuild(guildCode);
        if(!myLeague) return resResult(STATUS.GVG_LEAGUE_NOT_EXIST);

        await initRobots(groupId, serverType, cityId);

        let city: GVGCityType = await GVGCityModel.findByCityId(configId, groupId, serverType, cityId);

        let gvgUserData = await GVGUserDataModel.findByRole(configId, myLeague.leagueCode, roleId);
        if (!gvgUserData) {
            return resResult(STATUS.GVG_USER_NOT_FOUND);
        }

        let teams: GVGTeamType[] = [];
        // 检测是否已经在城池中，玩家不在这个城池中时进行处理
        if (gvgUserData.cityId !== cityId) {
            if(gvgUserData.cityId > 0) { // 如果leaveCity没有退出成功，玩家还遗留在上一座城中，做一下处理
                await GVGCityModel.decreasePlayer(configId, groupId, serverType, gvgUserData.cityId, roleId);
            }
            city = await GVGCityModel.increasePlayer(configId, groupId, serverType, cityId, roleId, myLeague.leagueCode);
            if(!city) return resResult(STATUS.GVG_BATTLE_CITY_FULL);

            gvgUserData = await GVGUserDataModel.changeCity(configId, myLeague.leagueCode, roleId, cityId);
            // 更新内存队伍信息
            let areaId = getBirthAreaOfCity(city, myLeague.leagueCode);
            await GVGTeamModel.enterCity(roleId, cityId, areaId, groupId, serverType);
            teams = await GVGTeamModel.findByRole(roleId);
            let teamObj = getGVGBattleData(groupId, serverType);
            teamObj.enterCity(teams);
        }

        if (!teams || teams.length === 0) {
            teams = await GVGTeamModel.findByRole(roleId);
        }

        const recs = await GVGRecModel.findByCity(cityId, configId);

        return resResult(STATUS.SUCCESS, {
            cityId,
            ranks: [], // ! redis 中积分排行榜
            recs,
            teams,
        });
    }

    // 离开城池
    async leaveCity(msg: { cityId: number }, session: BackendSession) {

        if(!checkGVGPeriod(GVG_PERIOD.BATTLE)) return resResult(STATUS.GVG_NOT_BATTLE_PERIOD);

        const roleId = session.get('roleId');
        const guildCode = session.get('guildCode');
        const serverId = session.get('serverId');
        const { cityId } = msg;
        let { configId } = getGVGPeriodData();
        let groupId = await getGroupIdOfServer(serverId);
        let serverType = await getGVGServerType(serverId);

        // 检测是否已经在城池中
        let myLeague = await GVGLeagueModel.findLeagueByGuild(guildCode);
        if(!myLeague) return resResult(STATUS.GVG_LEAGUE_NOT_EXIST);
        let gvgUserData = await GVGUserDataModel.findByRole(configId, myLeague.leagueCode, roleId);
        if (!gvgUserData) {
            return resResult(STATUS.GVG_USER_NOT_FOUND);
        }
        if (gvgUserData.cityId != cityId) {
            return resResult(STATUS.GVG_USER_NOT_IN_CITY);
        }

        const city = await GVGCityModel.decreasePlayer(configId, groupId, serverType, cityId, roleId);
        if (!city) {
            return resResult(STATUS.GVG_CITY_NOT_FOUND);
        }

        // 更新玩家城池和队伍城池
        gvgUserData = await GVGUserDataModel.changeCity(configId, myLeague.leagueCode, roleId, 0);
        await GVGTeamModel.enterCity(roleId, 0, 0, groupId, serverType);
        // 处理内存数据
        let teamObj = getGVGBattleData(groupId, serverType);
        teamObj.leaveCity(roleId);

        return resResult(STATUS.SUCCESS);
    }

    // 开始移动
    // areaId: 要移动的目标据点 id
    async startMove(msg: { cityId: number, areaId: number, teamCode: string }, session: BackendSession) {
        const roleId = session.get('roleId');
        const serverId = session.get('serverId');
        const { areaId, cityId, teamCode } = msg;

        let groupId = await getGroupIdOfServer(serverId);
        let serverType = await getGVGServerType(serverId);

        let team = await GVGTeamModel.findByTeamCode(roleId, teamCode);
        let checkResult = checkMoveStatus(team, cityId, areaId);
        if(checkResult.code != 0) return resResult(checkResult);

        team = await GVGTeamModel.startMove(teamCode, areaId);

        // 更新内存数据
        let teamObj = getGVGBattleData(groupId, serverType);
        teamObj.move(teamCode, areaId, team.startMoveTime, team.stopMoveTime);

        return resResult(STATUS.SUCCESS, { areaId, cityId, stopMoveTime: team.stopMoveTime });
    }

    // 停止移动
    // areaId: 移动到的目标据点 id
    async stopMove(msg: { cityId: number, areaId: number, teamCode: string }, session: BackendSession) {
        const roleId = session.get('roleId');
        const serverId = session.get('serverId');
        const { areaId, cityId, teamCode } = msg;

        let groupId = await getGroupIdOfServer(serverId);
        let serverType = await getGVGServerType(serverId);

        let team = await GVGTeamModel.findByTeamCode(roleId, teamCode);
        if(!team) return resResult(STATUS.GVG_BATTLE_TEAM_NOT_FOUND);
        if(team.cityId != cityId && team.areaId != areaId) return resResult(STATUS.GVG_BATTLE_IS_NOT_IN_CITY);
    
        team = await GVGTeamModel.stopMove(teamCode, areaId);
        // 更新内存数据
        let teamObj = getGVGBattleData(groupId, serverType);
        teamObj.move(teamCode, areaId, team.startMoveTime, team.stopMoveTime);

        return resResult(STATUS.SUCCESS, { areaId, cityId, curTeam: team });
    }

    // 队伍入驻积分点
    async teamSettle(msg:  { cityId: number, areaId: number, pointId: number, teamCode: string }, session: BackendSession) {
        const serverId = session.get('serverId');
        const { pointId, teamCode } = msg;
        const curTeam = await GVGTeamModel.findOneAndUpdate({ teamCode }, { pointId }).lean();
        let groupId = await getGroupIdOfServer(serverId);
        let serverType = await getGVGServerType(serverId);
        let teamObj = getGVGBattleData(groupId, serverType);
        teamObj.teamSettle(teamCode, pointId);
        return resResult(STATUS.SUCCESS, { curTeam });
    }

    // 队伍离开积分点
    async teamLeave(msg: any, session: BackendSession) {
        return resResult(STATUS.SUCCESS);
    }

    // 队伍开始攻击
    // teamCode: 攻击方队伍
    // oppoTeamCode: 防守方队伍
    async battleStart(msg: { cityId: number, teamCode: string, oppoTeamCode: string, pointId: number }, session: BackendSession) {
        const roleId = session.get('roleId');
        const serverId = session.get('serverId');
        const { teamCode, oppoTeamCode } = msg;

        let groupId = await getGroupIdOfServer(serverId);
        let serverType = await getGVGServerType(serverId);

        let { attackTeam, defenseTeam } = await GVGTeamModel.findBattleTeams(teamCode, oppoTeamCode);
        if(!attackTeam || !defenseTeam) return resResult(STATUS.GVG_BATTLE_TEAM_INVALID);
        if(attackTeam.attackTime > nowSeconds()) return resResult(STATUS.GVG_TEAM_ATTACKING);
        if(defenseTeam.defenseTime > nowSeconds()) return resResult(STATUS.GVG_TEAM_DEFENSEING);
        
        const battleRecord = await GVGBattleRecModel.createRec(attackTeam, defenseTeam);

        attackTeam = await GVGTeamModel.lockAttack(teamCode, groupId, serverType);
        defenseTeam = await GVGTeamModel.lockDefense(oppoTeamCode, groupId, serverType);
        // 内存处理
        let teamObj = getGVGBattleData(groupId, serverType);
        teamObj.setTime(teamCode, attackTeam);
        teamObj.setTime(teamCode, defenseTeam);

        return resResult(STATUS.SUCCESS, { battleCode: battleRecord.battleCode, curTeam: attackTeam });
    }

    // 队伍停止攻击
    async battleEnd(msg: { cityId: number, battleCode: string, isSuccess: boolean }, session: BackendSession) {
        const { battleCode, isSuccess } = msg;
        const record = await GVGBattleRecModel.findByBattleCode(battleCode);
        if(!record) return resResult(STATUS.GVG_BATTLEREC_NOT_FOUND);
        const teamCode = '';
        const leagueGoods: LeagueGood[] = null;
        // ! 计算并更新两支队伍耐久
        const curTeam = await GVGTeamModel.findOneAndUpdate({ teamCode }, {}).lean();
        // ! 推送战斗结果给对手队伍
        // const channel = this.channelService.getChannel(teamCode, false);
        // if (!!channel) {
        //     channel.pushMessage('onBattleResult', { isSuccess });
        // }
        // ! 结算奖励
        if (isSuccess) {
            // ! 更新 leagueGoods
        }
        return resResult(STATUS.SUCCESS, { curTeam, leagueGoods });
    }

    // 使用道具
    // teamCode: 要使用道具的队伍
    async useItem(msg: { cityId: number, itemId: number, teamCode: string }, session: BackendSession) {
        const { itemId, teamCode } = msg;
        // ! 检查道具是否存在
        // ! 检查道具是否可以使用在该队伍
        const team = await GVGTeamModel.findOneAndUpdate({ teamCode }, {}).lean();
        // ! 根据 item 使用效果更新 team
        return resResult(STATUS.SUCCESS, { team });
    }

    // 复活队伍
    async reviveTeam(msg: { cityId: number, teamCode: string }, session: BackendSession) {
        const { teamCode } = msg;
        // ! 检查该队伍是否可以复活，可以的话更新队伍状态
        const team = await GVGTeamModel.findOneAndUpdate({ teamCode }, {}).lean();
        // 更新成功返回队伍信息
        return resResult(STATUS.SUCCESS, { team });
    }

    // 获取战报
    // type: 战报类型
    async getRecs(msg: { type: number }, session: BackendSession) {
        const { type } = msg;
        // 根据 type 获取战报
        const recs = await GVGRecModel.find({ type }).limit(20).lean();
        return resResult(STATUS.SUCCESS, { recs });
    }

    // 获取概况
    async getOverview(msg: {}, session: BackendSession) {
        const cities = await GVGCityModel.find({}).lean();
        // ! 重新组织每个城市的数据，添加据点和积分点的信息
        return resResult(STATUS.SUCCESS, { cities });
    }

    // 获取区域上的队伍
    async getAreaTeams(msg: { cityId: number, areaIds: [number] }, session: BackendSession) {
        const { cityId, areaIds } = msg;
        const queryParam = {};
        areaIds.forEach(areaId => {
            queryParam[areaId] = [{ $match: { areaId, cityId } }, { $limit: 20 }];
        });
        const teams = await GVGTeamModel.aggregate([
            { $facet: queryParam },
        ]);
        return resResult(STATUS.SUCCESS, { teams });
    }
}