import { Application, ChannelService, FrontendSession, RemoterClass, pinus } from 'pinus';
import { resResult } from '../../../pubUtils/util';
import { STATUS } from '../../../consts';
import { GuildType } from '../../../db/Guild';
import { RoleType } from '../../../db/Role';
import { GuildRecType } from '../../../db/GuildRec';
import { UserGuildModel } from '../../../db/UserGuild';

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

export class GuildRemote {

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

    private channelService: ChannelService;
    private MEMBER_QUIT = 'onMemberQuit';
    private DISMISS = 'onDismiss';
    private GUILD_INFO_UPDATE = 'onGuildInfoUpdate';
    private DEMOTION = 'onDemotion';
    private PROMOTION = 'onPromotion';
    private GUILD_REC_ADD = 'onGuildRecAdd';

    /**
     * 封装，军团相关channel名: 'guild'+guildCode
     * @param guildCode 军团code
     * @param create 是否创建channel 
     */
    private getChannel(guildCode: string, create: boolean = false) {
        let channelName = `guild${guildCode}`;
        let channel = this.channelService.getChannel(channelName, create);
        return channel
    }

    /**
     * 封装，向单人发推送
     * @param guildCode 军团code
     * @param path 推送地址
     * @param roleId 玩家id
     * @param message 推送信息
     * @param sid 玩家服
     */
    private pushMessageByUids(guildCode: string, path: string, roleId: string, message: {code: string, roleId?: string}, sid?: string) {

        let channel = this.getChannel(guildCode);
        let uids = [];
        if(!sid) {
            sid = channel && channel.getMember(roleId)['sid'];
        }
        if(sid) {
            uids.push({roleId, sid});
            this.channelService.pushMessageByUids(path, resResult(STATUS.SUCCESS, message), uids);
        }
        return channel
    }

    /**
     * 封装，向channel发推送
     * @param guildCode 军团code
     * @param path 推送地址
     * @param message 推送信息
     */
    private pushMessage(guildCode: string, path: string, message: any) {
        let channel = this.getChannel(guildCode);
        if(!!channel) {
            channel.pushMessage(path, resResult(STATUS.SUCCESS, message));
        }
        return channel
    }

    /**
     * 玩家上线
     * @param roleId 玩家id
     * @param sid 玩家所在服 connector
     */
    public async enterMyChannel(roleId: string, sid: string) {
        let myGuild = await UserGuildModel.getMyGuild(roleId, 'guildCode');
        if(!!myGuild) {
            this.enterChannel(myGuild.guildCode, roleId, sid);
        }
    }

    /**
     * 加入军团channel
     * @param guildCode 军团code
     * @param roleId 玩家id
     * @param sid 玩家所在服 connector
     */
    public enterChannel(guildCode: string, roleId: string, sid: string) {
        let channel = this.getChannel(guildCode, true);
        
        // TODO： 后续可能添加上下线通知功能
        // let param = {
        //     roleId
        // };
        // channel.pushMessage('onMemberAdd', resResult(STATUS.SUCCESS, param));

        let users = channel.getMembers();
        if (users.indexOf(roleId) === -1) {
            channel.add(roleId, sid);
        }
    }

    /**
     * 玩家下线
     * @param roleId 玩家id
     * @param sid 玩家所在服 connector
     */
    public async leaveMyChannel(roleId: string, sid: string) {
        let myGuild = await UserGuildModel.getMyGuild(roleId, 'guildCode');
        if(!!myGuild) {
            this.leaveChannel(myGuild.guildCode, roleId, sid);
        }
    }

    /**
     * 退出军团channel
     * @param guildCode 军团code
     * @param roleId 玩家id
     * @param sid 玩家所在服 connector
     */
    public leaveChannel(guildCode: string, roleId: string, sid?: string) {
        let channel = this.getChannel(guildCode, false);
        if(!sid) {
            sid = channel && channel.getMember(roleId)['sid'];
        }
        // leave channel
        if (!!channel) {
            channel.leave(roleId, sid);
        }

        // TODO： 后续可能添加上下线通知功能
        // let param = {
        //     roleId
        // };
        // channel.pushMessage('onMemberLeave', resResult(STATUS.SUCCESS, param));
    }
    
    /**
     * 踢出某个成员
     * @param guildCode 军团code
     * @param roleId 踢出玩家roleId
     * @param guild 军团信息
     * @param sid 玩家sid
     */
    public memberQuit (guildCode: string, roleId: string, guild: GuildType, sid?: string) {
        // 被踢出公会
        this.pushMessageByUids(guildCode, this.MEMBER_QUIT, roleId, {
            code: guildCode,
            roleId
        }, sid);
        // 更新人数减少
        this.updateInfo(guildCode, { memberCnt: guild.memberCnt });
        this.leaveChannel(guildCode, roleId, sid);
    }

    /**
     * 解散军团
     * @param guildCode 军团code
     */
    public dismiss(guildCode: string) {
        let channel = this.pushMessage(guildCode, this.DISMISS, {code: guildCode});
        if(!!channel) {
            channel.destroy();
        }
    }

    /**
     * 更新军团信息
     * @param guildCode 军团code
     * @param info 军团相关信息
     */
    public updateInfo (guildCode: string, info: any) {
        this.pushMessage(guildCode, this.GUILD_INFO_UPDATE, info);
    }

    /**
     * 更换团长信息
     * @param guildCode 军团code
     * @param managerCnt 管理员人数
     * @param newLeader 新的团长
     * @param oldLeaderId 旧团长
     */
    public changeLeader (guildCode: string, managerCnt: number, newLeader: RoleType, oldLeaderId: string) {
        let { roleId, roleName, sHid, headHid, lv, quitTime } = newLeader;
        this.updateInfo(guildCode, {managerCnt, leader: { roleId, roleName, sHid, headHid, lv, quitTime }});
        this.demotion(guildCode, oldLeaderId);
        this.promotion(guildCode, roleId);
    }

    /**
     * 向旧团长推送降职信息
     * @param guildCode 军团code
     * @param roleId 旧团长id
     */
    public demotion (guildCode: string, roleId: string) {
        this.pushMessageByUids(guildCode, this.DEMOTION, roleId, {
            code: guildCode
        });
    }

    /**
     * 向新团长推送升职信息
     * @param guildCode 军团code
     * @param roleId 新团长id
     */
    public promotion (guildCode: string, roleId: string) {
        this.pushMessageByUids(guildCode, this.PROMOTION, roleId, {
            code: guildCode
        });
    }

    /**
     * 添加动态
     * @param guildRecType 动态
     */
    public addRec (guildRecType: GuildRecType) {
        let { guildCode, type, params, createTime } = guildRecType;
        this.pushMessage(guildCode, this.GUILD_REC_ADD, {type, params, createTime});
    }
}