import * as plugins from "./smartnginx.plugins";
import * as paths from "./smartnginx.paths";
import * as snippets from "./smartnginx.snippets";
import { NginxHost } from "./smartnginx.classes.nginxhost";
import { NginxProcess } from "./smartnginx.classes.nginxprocess";
let allConfigs: NginxConfig[] = [];

/**
 * main class that manages a NginxInstance
 */
export class NginxConfig {
    hosts: NginxHost[] = [];
    cert: plugins.cert.Cert; // the Cert Instance from which the config gets its certificates
    nginxProcess: NginxProcess = new NginxProcess(this);
    isDeployed: boolean = false;
    constructor(optionsArg: plugins.cert.ICertConstructorOptions) {
        this.cert = new plugins.cert.Cert({
            cfEmail: optionsArg.cfEmail,
            cfKey: optionsArg.cfKey,
            sslDir: paths.nginxCertBase,
            gitOriginRepo: optionsArg.gitOriginRepo,
            testMode: optionsArg.testMode
        });
    };

    // interact with Hosts
    addHost(nginxHostArg: NginxHost){
        this.hosts.push(nginxHostArg);
    }
    listHosts(): NginxHost[]{
        return this.hosts;
    };
    removeHost(nginxHostArg: NginxHost) {

    }
    clean() {
        this.hosts = [];
    }
    // handle deployment of hosts
    deploy() {
        let done = plugins.q.defer();
        plugins.smartfile.fs.ensureDirSync(paths.nginxConfigBase);
        plugins.smartfile.fs.ensureDirSync(paths.nginxHostFileBase);
        plugins.smartfile.fs.ensureDirSync(paths.nginxCertBase);
        for (let config of allConfigs) {
            config.isDeployed = false;
        };
        this.isDeployed = true;
        // write base config
        plugins.smartfile.memory.toFsSync(
            snippets.getBaseConfigString(),
            paths.nginxConfFile
        );
        // deploy hosts
        let promiseArray = [];
        for (let host of this.hosts) {
            let hostDeployedPromise = host.deploy(this.cert);
            hostDeployedPromise.then(() => {
                plugins.beautylog.info(`Host ${host.hostName} deployed!`);
                this.nginxProcess.reloadConfig();
            });
            promiseArray.push(hostDeployedPromise);
        };
        plugins.q.all(promiseArray)
            .then(() => {
                done.resolve();
            });
            
        return done.promise;
    };
};