import * as plugins from "./cert.plugins";
import * as paths from "./cert.paths";
import * as helpers from "./cert.classes.cert.helpers"

export interface ICertConstructorOptions {
    cfEmail: string,
    cfKey: string,
    sslDir?: string,
    gitOriginRepo?: string,
    testMode?: boolean
};

export class Cert {
    private _cfEmail: string;
    private _cfKey: string;
    private _sslDir: string;
    private _gitOriginRepo: string;
    private _testMode: boolean;
    domainCertRequestMap: plugins.lik.Stringmap = new plugins.lik.Stringmap();
    certificatesPresent: Certificate[];
    certificatesValid: Certificate[];

    /**
     * Constructor for Cert object
     */
    constructor(optionsArg: ICertConstructorOptions) {
        this._cfEmail = optionsArg.cfEmail;
        this._cfKey = optionsArg.cfKey;
        this._sslDir = optionsArg.sslDir;
        this._gitOriginRepo = optionsArg.gitOriginRepo;
        this._testMode = optionsArg.testMode;
        // write hook config
        let config = {
            cfEmail: this._cfEmail,
            cfKey: this._cfKey
        }
        plugins.smartfile.memory.toFsSync(
            JSON.stringify(config),
            plugins.path.join(__dirname, "assets/config.json")
        );
        // setup sslDir
        if (!this._sslDir) this._sslDir = paths.defaultSslDir;
        // setup Git
        if (this._gitOriginRepo) {
            plugins.smartgit.init(this._sslDir);
            plugins.smartgit.remote.add(this._sslDir, "origin", this._gitOriginRepo);
            this.sslGitOriginPull();
        }
        // setup leSh config;
        let leShConfigString;
        if (this._testMode) {
            leShConfigString = `CA="https://acme-staging.api.letsencrypt.org/directory"\n`;
        } else {
            leShConfigString = " ";
        };
        plugins.smartfile.memory.toFsSync(
            leShConfigString,
            paths.leShConfig
        );
        plugins.shelljs.exec("chmod 700 " + paths.letsencryptSh);
        plugins.shelljs.exec("chmod 700 " + paths.certHook);
        plugins.shelljs.exec(
            `bash -c "${paths.letsencryptSh} -c --no-lock -f ${paths.leShConfig} -d notthere.notthere -t dns-01 -k ${paths.certHook} -o ${paths.certDir}"`,
            {
                silent: true
            });
    };

    /**
     * Pulls already requested certificates from git origin
     */
    sslGitOriginPull = () => {
        if (this._gitOriginRepo) {
            plugins.smartgit.pull(this._sslDir, "origin", "master");
        }
    };

    /**
     * Pushes all new requested certificates to git origin
     */
    sslGitOriginAddCommitPush = () => {
        if (this._gitOriginRepo) {
            plugins.smartgit.add.addAll(this._sslDir);
            plugins.smartgit.commit(this._sslDir, "added new SSL certificates and deleted obsolete ones.");
            plugins.smartgit.push(this._sslDir, "origin", "master");
        }
    };

    /**
     * gets a ssl cert for a given domain
     */
    getDomainCert(domainNameArg: string, optionsArg: { force: boolean } = { force: false }) {
        let done = plugins.q.defer();
        let domainStringData = new plugins.smartstring.Domain(domainNameArg);
        let sameZoneRequesting: boolean = this.domainCertRequestMap.checkMinimatch("*" + domainStringData.zoneName)
        // make sure no one else requires the same domain at the same time
        if (!this.domainCertRequestMap.checkString(domainNameArg)) {
            this.domainCertRequestMap.addString(domainNameArg);
            if (!helpers.checkDomainsStillValid(domainNameArg, this._sslDir) || optionsArg.force) {
                if (!sameZoneRequesting) {
                    this.sslGitOriginPull();
                    plugins.smartfile.fs.ensureDir(paths.certDir);
                    plugins.beautylog.info(`getting cert for ${domainNameArg}`);
                    plugins.shelljs.exec(
                        `bash -c "${paths.letsencryptSh} -c --no-lock -f ${paths.leShConfig} -d ${domainNameArg} -t dns-01 -k ${paths.certHook} -o ${paths.certDir}"`,
                        {
                            silent: true
                        },
                        (codeArg, stdoutArg) => {
                            if (codeArg == 0) {
                                console.log(stdoutArg);
                                let fetchedCertsArray: string[] = plugins.smartfile.fs.listFoldersSync(paths.certDir);
                                if (fetchedCertsArray.indexOf(domainNameArg) != -1) {
                                    helpers.updateSslDirSync(this._sslDir, domainNameArg);
                                    plugins.smartfile.fs.removeSync(plugins.path.join(paths.certDir, domainNameArg));
                                    this.sslGitOriginAddCommitPush();
                                } else {
                                    plugins.beautylog.error(`Couldn't copy final certificate for ${domainNameArg}!`);
                                };
                                done.resolve();
                            } else {
                                plugins.beautylog.warn(`${domainNameArg} scheduled for retry. Waiting 1 minute!`);
                                helpers.scheduleRetry(domainNameArg, this).then(done.resolve);
                            }
                            this.domainCertRequestMap.removeString(domainNameArg);
                        }
                    );
                } else {
                    plugins.beautylog.info(`${domainNameArg} is waiting for domains names of same zone to finish`);
                    this.domainCertRequestMap.removeString(domainNameArg);
                    this.domainCertRequestMap.registerUntilTrue(
                        () => {
                            return !this.domainCertRequestMap.checkMinimatch("*" + domainStringData.zoneName);
                        },
                        () => {
                            this.getDomainCert(domainNameArg).then(done.resolve);
                        }
                    );
                }
            } else {
                plugins.beautylog.info("certificate for " + domainNameArg + " is still valid! Not fetching new one!");
                this.domainCertRequestMap.removeString(domainNameArg);
                done.resolve();
            };
        } else {
            plugins.beautylog.warn(`${domainNameArg} is already requesting`);
        };

        return done.promise;
    };
    cleanOldCertificates() {

    };
}

export class Certificate {
    domainName: string;
    creationDate: Date;
    expiryDate: Date;
    constructor() {

    };
};