import { Application, BackendSession, FrontendOrBackendSession } from 'pinus';
import { getGamedata } from '../../../util/gamedata';
import { EventRecordModel } from '../../../db/EventRecord';
import { RoleModel } from '../../../db/Role';
import { genCode, decodeStr, decodeStrSingle, Reward } from '../../../util/util';
import { EVENT_STATUS, EVENT_RECORD_STATUS, EVENT_TYPE } from '../../../consts/consts';

export default function(app: Application) {
    return new EventBattleHandler(app);
}

export class EventBattleHandler {
    constructor(private app: Application) {
    }

    // 获取关卡列表
    async receiveEventReward(msg: { eventId: number, eventCode: string, isSuccess: boolean }, session: BackendSession) {
        const {eventId, eventCode, isSuccess} = msg;
        let roleId = session.get('roleId');
        let roleName = session.get('roleName');
        let eventStatus = session.get('eventStatus');

        let event = await EventRecordModel.getEventRecordByCode(roleId, eventCode);
        if(!event) {
            return { code: 202, data: '未找到记录' }
        }
        let { status, type, eventId: dataEventId } = event;
        let flag; // 检查状态是否正确
        if(type == EVENT_TYPE.BATTLE) {
            if(status == EVENT_RECORD_STATUS.BATTLE_SUCCESS && isSuccess) {
                flag = true;
            } else if (status == EVENT_RECORD_STATUS.BATTLE_FAIL && !isSuccess) {
                flag = true;
            }
        } else {     
           if(status == EVENT_RECORD_STATUS.WAITING) {
               flag = true;
           }
        }
        if(!flag) {
            return { code: 202, data: '状态错误' }
        }
        if(dataEventId != eventId) {
            return { code: 202, data: '事件id错误' }
        }
        let dicEvent = getGamedata('dic_zyz_event');
        let curEvent = dicEvent.find(cur => cur.eventID == eventId);
        if(!curEvent) {
            return { code: 202, data: '未找到该事件' };
        }

        // 保存状态
        let result = await EventRecordModel.setStatusByCode(roleId, eventCode, isSuccess?EVENT_RECORD_STATUS.SUCCESS_RECEIVED:EVENT_RECORD_STATUS.FAIL_RECEIVED);
        // 保存奖励
        let rewardStr = isSuccess?curEvent.winReward:curEvent.loseReward;
        let rewards = decodeStr('fixReward', rewardStr);
        let rewardObject = new Reward(roleId, roleName, rewards);
        let goods = await rewardObject.saveReward();
        if(eventStatus == EVENT_STATUS.STARTING) { // 如果是第一次开启的挑战，保存成开启状态
            await RoleModel.setEventStatus(roleId, EVENT_STATUS.OPEN);
            // 第一场时间挑战完，开始正常刷新事件，所以刷新时间也重置起来
            session.set('eventStatus', EVENT_STATUS.OPEN);
            session.push('eventStatus', () => {});
        }
        // 推送消息刷新
        await checkEvent(this.app, session, true);
        return {
            code: 200,
            data: {
                eventCode: result.eventCode,
                eventId: result.eventId,
                status: result.status,
                goods
            }
        }
    }
}

export async function setBattleStatus(app: Application, session: FrontendOrBackendSession, roleId: string, battleId: number , isSuccess: boolean, battleCode: string) {
    let now = new Date();
    let eventStatus = session.get('eventStatus');
    let refTime = eventStatus == EVENT_STATUS.OPEN? getEventTime(now): 0;
    console.log('***setBattleStatus', eventStatus, refTime)


    let { BATTLE_SUCCESS, BATTLE_FAIL } = EVENT_RECORD_STATUS;
    let result = await EventRecordModel.setBattleStatus(roleId, battleId, refTime, isSuccess?BATTLE_SUCCESS:BATTLE_FAIL, battleCode);
    await checkEvent(app, session, true);
    return result;
}

export function getEventTime(now: Date) {
    let curTime = Number(now);
    let todayA = now.setHours(12, 0, 0, 0); // 每天12点
    let todayB = now.setHours(18, 0, 0, 0); // 每天18点
    let yesterdayA = todayA - 86400000; // 前一天12点
    let t = 0;
    if(curTime < todayA) {
        t = yesterdayA;
    } else if (curTime >= todayA && curTime < todayB) {
        t = todayA;
    } else if (curTime >= todayB) {
        t = todayB;
    }
    return t
}

export async function startEvent(app: Application, session: FrontendOrBackendSession) {

    // console.log('*******setEventStatus')
    let roleId = session.get('roleId');
    let roleName = session.get('roleName');
    let channelName = roleId;
    let event = await refreshEvent(1, roleId, roleName, 0); // 刷新初始的一件
    await RoleModel.setEventStatus(roleId, EVENT_STATUS.STARTING);
    session.set('eventStatus', EVENT_STATUS.STARTING);
    session.push('eventStatus', () => {});
    pushEventMsg(app, roleId, channelName, { event }); // 推送

}

export async function checkEvent(app: Application, session: FrontendOrBackendSession, isForce:boolean = false) {

    try {

        let roleId = session.get('roleId');
        if(roleId) {

            let roleName = session.get('roleName');
            let channelName = roleId;
            let eventStatus = session.get('eventStatus')||EVENT_STATUS.WAITING;
            
            let eventTime = session.get('getEventTime')||0;
            let now = new Date();
            let t = getEventTime(now);
        

            let channel = app.get('channelService').getChannel(channelName, false);
            console.log('****channel', channelName, !!channel, eventTime, t, eventStatus)

            if(!!channel && (eventTime < t || isForce)) { // 第一次登陆后可以刷新了

                if (eventStatus == EVENT_STATUS.STARTING) {
                    let event = await EventRecordModel.getEventRecordByTime(roleId, 0);
                    pushEventMsg(app, roleId, channelName, { event }); // 推送
                    session.set('getEventTime', t);
                    session.push('getEventTime', () => {});
                } else if( eventStatus == EVENT_STATUS.OPEN ) {
                    
                    let event = await EventRecordModel.getEventRecordByTime(roleId, t);
                    if(event.length == 0) { // 刷新
                        const num = 3; // 每次刷3个
                        event = await refreshEvent(num, roleId, roleName, t);
                    }
            
                    console.log(event)
                    // 推送
                    pushEventMsg(app, roleId, channelName, { event });
                    session.set('getEventTime', t);
                    session.push('getEventTime', () => {});
                }
            }
        }
        return;
    }catch(err) {
        console.log(err.stack);
        throw err
    }
} 

async function refreshEvent(num: number, roleId: string, roleName: string, t) {
    let event = new Array();
    let dicEvent = getGamedata('dic_zyz_event');
    let role = await RoleModel.findByRoleId(roleId);
    dicEvent = dicEvent.filter(cur => { // 筛选适合等级
        let { suitLevel } = cur;
        suitLevel = decodeStrSingle('eventSuitLevel', suitLevel);
        return suitLevel.min <= role.lv && suitLevel.max >= role.lv
    });
    let historyRecord = await EventRecordModel.getHostoryEventRecord(roleId);
    let {history, turn} = historyRecord;
    let randomList = dicEvent.filter(cur => {
        return history.find(ccur => {
            return ccur.eventId != cur.eventID;
        });
    });
    console.log(JSON.stringify(randomList));

    for(let i = 0; i < num; i++) {
        if(randomList.length == 0) { // 一轮刷新过，开始新的一轮，保证所有事件都能刷新一遍
            turn ++;
            randomList = [...dicEvent];
        }

        let index = Math.floor(Math.random() * randomList.length);
        let dic = randomList[index];
        let eventCode = genCode(8);
        let data = await EventRecordModel.saveEventRecord(eventCode, {
            roleId, refTime: t, eventId: dic.eventID,
            roleName, turn, type: dic.eventType, battleId: dic.warId||0, quality: dic.quality,
            status: EVENT_RECORD_STATUS.WAITING
        });
        event.push(data)
        randomList.splice(index, 1);
    }
    return event;
}

function pushEventMsg(app, roleId, channelName, msg ) {
    console.log('***pushEventMsg', channelName)
    let channelService = app.get('channelService');
    
    let param = { msg };
    let channel = channelService.getChannel(channelName, false);
    if(!!channel) {
        let tsid = channel.getMember(roleId)['sid'];

        channelService.pushMessageByUids('onSpecialEvent', param, [{
            uid: roleId,
            sid: tsid
        }]);
    }
}