import { Application, IModule, MonitorCallback, MasterCallback, MonitorAgent, MasterAgent } from "pinus";


export class UsrAdminModule implements IModule {
    app: Application;
    root: string;

    static moduleId = 'UsrAdmin';

    constructor(opts: { app: Application, path: string }) {
        this.app = opts.app;
        this.root = opts.path;
    }

    masterHandler(agent: MasterAgent, msg: any, cb: MasterCallback) {
        console.log("enter masterHandler", msg);
    }

    monitorHandler(agent: MonitorAgent, msg: { action: string, script: string, serverId: string }, cb: MonitorCallback) {
        console.log("enter monitorHandler", msg);
        if (['master'].includes(this.app.getServerType())) {
            console.log('scripts module can not be loaded on master');
            return;
        }

        switch (msg.action) {
            case 'hotupdate':
                this.app.get('UpdateComponent').hotupdate(msg.script, (err, res) => {
                    if (err) {
                        console.log("hotupdate error", err);
                        cb(err);
                        return;
                    }
                    console.log("hotupdate success", res);
                    cb(null, res);
                });
                break;
            case 'eval':
                this.app.get('EvalComponent').eval(msg.script, (err, res) => {
                    if (err) {
                        console.log("eval error", err);
                        cb(err);
                        return;
                    }
                    console.log("eval success", res);
                    cb(null, res);
                });
                break;
            default:
                break;
        }
    }

    clientHandler(agent: MasterAgent, msg: { action: string, script: string, serverId: string }, cb: MasterCallback) {
        const { action, serverId } = msg;
        switch (action) {
            case 'hotupdate':
                agent.notifyAll(UsrAdminModule.moduleId, msg);
                cb(null, 'success notifyAll servers');
                break;
            case 'eval':
                agent.request(serverId, UsrAdminModule.moduleId, msg, (err, res) => {
                    if (err) {
                        console.log("eval error", err);
                        cb(err, res);
                        return;
                    }
                    console.log("eval success", res);
                    cb(null, res);
                });
                break;
            default:
                break;
        }
    }
}