/**
 * Created by superzhan on 2018/3/19.
 *
 * 根据pomelo 的 servers.json 生成 pm2 启动文件
 */

//服务器端 工程代码的目录
var cwd = './';

//项目的运行环境
// var config = require('./config.json');
var masterEnvType = process.argv[2];//主机环境
var distributeEnvType = process.argv[3];//分布式环境
console.log('masterEnvType is:', masterEnvType);
console.log('distributeEnvType is:', distributeEnvType);

//配置文件的输出目录
var outputFilePath = './pomeloPm2Start.json';

var masterJsonFile = require('./config/master.ts');
var serversJosnFile = require('./config/servers.ts');

//模板数据
var processConfigType = {
    "name": "",
    "script": "./dist/app.js",
    "args": [],
    "watch": false,
    "out_file": "./logs/app.log",
    "error_file": "./logs/err.log",
    "cwd": "",
    "merge_logs": true,
    "exec_mode": "fork_mode",
};


//最后的结果数据
var resultJson = {};
resultJson.apps = new Array();


var clone = function (origin) {
    if (!origin) {
        return;
    }
    var obj = {};
    for (var f in origin) {
        obj[f] = origin[f];
    }
    return obj;
};

//
var masterConfig = masterJsonFile[masterEnvType];
var serversConfig = serversJosnFile[distributeEnvType];

//生成master 的配置
// var pm2Master = clone(processConfigType);
// pm2Master.name = "master";
// pm2Master.args = new Array();
// pm2Master.args.push('serverType=master');
// pm2Master.args.push('id=' + masterConfig.id);
// pm2Master.args.push('host=' + masterConfig.host);
// pm2Master.args.push('port=' + masterConfig.port);
// pm2Master.args.push('env=' + envType);
// pm2Master.args.push('mode=stand-alone');
// pm2Master.cwd = cwd;
// pm2Master.out_file = './logs/' + masterConfig.id + "_app.log";
// pm2Master.error_file = './logs/' + masterConfig.id + '_error.log';
// resultJson.apps.push(pm2Master);

//生成当个服务器的配置
for (serverType in serversConfig) {
    var servers = serversConfig[serverType];
    for (var i = 0; i < servers.length; ++i) {
        var singleServer = servers[i];

        var appPm2Config = clone(processConfigType);
        appPm2Config.name = singleServer.id;
        appPm2Config.args = new Array();
        appPm2Config.args.push('env=' + masterEnvType);
        appPm2Config.args.push('id=' + singleServer.id);
        appPm2Config.args.push('port=' + singleServer.port);
        appPm2Config.args.push('host=' + singleServer.host);
        appPm2Config.args.push('serverType=' + serverType);

        if (singleServer.frontend != null) {
            appPm2Config.args.push('frontend=' + singleServer.frontend);
            appPm2Config.args.push('clientPort=' + singleServer.clientPort);
            appPm2Config.args.push('clientHost=' + singleServer.clientHost);
        }

        appPm2Config.cwd = cwd;
        appPm2Config.out_file = './logs/' + singleServer.id + '_app.log';
        appPm2Config.error_file = './logs/' + singleServer.id + '_error.log';

        resultJson.apps.push(appPm2Config);
    }
}



//生成结果数据
var resultFileStr = JSON.stringify(resultJson);
//console.log(resultFileStr);


var fs = require('fs');

fs.writeFile(outputFilePath, resultFileStr, function (err) {
    if (err) {
        console.log(err);
    } else {
        console.log('finish genereate Server pm2 config');
    }
});