import * as plugins from "./smartnginx.plugins";
import * as paths from "./smartnginx.paths";
import { NginxConfig } from "./smartnginx.classes.nginxconfig";
import { NginxZone } from "./smartnginx.classes.nginxzone";

export class NginxProcess {
    started: boolean = false;
    nginxConfig:NginxConfig;
    nginxChildProcess: plugins.childProcess.ChildProcess;
    constructor(nginxConfigArg) {
        this.nginxConfig = nginxConfigArg;
    };

    /**
     * start nginx
     */
    start() {
        let done = plugins.q.defer();
        if (typeof this.nginxChildProcess == "undefined"){
            this.nginxChildProcess = plugins.childProcess.exec(`nginx -c ${paths.nginxConfFile}`, function (error, stdout, stderr) {
                console.log(`stdout: ${stdout}`);
                console.log(`stderr: ${stderr}`);
                if (error !== null) {
                    console.log(`exec error: ${error}`);
                };
            });
        };
        this.started = true;
        plugins.beautylog.info("started Nginx!");
        done.resolve();
        return done.promise;
    };

    /**
     * reload config
     */
    reloadConfig(){
        let done = plugins.q.defer();
        if(this.started == false){
            this.start()
        } else {
            this.nginxChildProcess.kill("SIGHUP");
        };
        plugins.beautylog.ok("NginxProcess has loaded the new config!")
        done.resolve();
        return done.promise;
    };

    /**
     * stop the nginx instance
     */
    stop() {
        let done = plugins.q.defer();
        if (typeof this.nginxChildProcess != "undefined") {
            this.nginxChildProcess.kill("SIGTERM");
            plugins.beautylog.info("stopped Nginx!");
        } else {
            plugins.beautylog.log("nginx already stopped!");
        };
        done.resolve();
        return done.promise;
    };

    /**
     * checks if nginx is in path
     */
    check(): boolean {
        return;
    };
}