import {setupMailServer, teardownMailServer} from "./_mail_server";
import Application from "../src/Application";
import Migration, {MigrationType} from "../src/db/Migration";
import {MIGRATIONS} from "./_migrations";
import ExpressAppComponent from "../src/components/ExpressAppComponent";
import RedisComponent from "../src/components/RedisComponent";
import MysqlComponent from "../src/components/MysqlComponent";
import NunjucksComponent from "../src/components/NunjucksComponent";
import LogRequestsComponent from "../src/components/LogRequestsComponent";
import MailComponent from "../src/components/MailComponent";
import SessionComponent from "../src/components/SessionComponent";
import AuthComponent from "../src/auth/AuthComponent";
import AuthGuard from "../src/auth/AuthGuard";
import MagicLink from "../src/auth/models/MagicLink";
import FormHelperComponent from "../src/components/FormHelperComponent";
import RedirectBackComponent from "../src/components/RedirectBackComponent";
import ServeStaticDirectoryComponent from "../src/components/ServeStaticDirectoryComponent";
import {Express} from "express";
import packageJson = require('../package.json');

export default function useApp(appSupplier?: (addr: string, port: number) => TestApp): void {
    let app: Application;

    beforeAll(async (done) => {
        await setupMailServer();
        app = appSupplier ? appSupplier('127.0.0.1', 8966) : new TestApp('127.0.0.1', 8966);

        await app.start();
        done();
    });

    afterAll(async (done) => {
        const errors = [];

        try {
            await app.stop();
        } catch (e) {
            errors.push(e);
        }

        try {
            await teardownMailServer();
        } catch (e) {
            errors.push(e);
        }

        if (errors.length > 0) throw errors;
        done();
    });
}

export class TestApp extends Application {
    private readonly addr: string;
    private readonly port: number;
    private expressAppComponent?: ExpressAppComponent;

    public constructor(addr: string, port: number) {
        super(packageJson.version, true);
        this.addr = addr;
        this.port = port;
    }

    protected getMigrations(): MigrationType<Migration>[] {
        return MIGRATIONS;
    }

    protected async init(): Promise<void> {
        this.registerComponents();
        this.registerWebSocketListeners?.();
        this.registerControllers?.();
    }

    protected registerComponents(): void {
        this.expressAppComponent = new ExpressAppComponent(this.addr, this.port);
        const redisComponent = new RedisComponent();
        const mysqlComponent = new MysqlComponent();

        // Base
        this.use(this.expressAppComponent);
        this.use(new LogRequestsComponent());

        // Static files
        this.use(new ServeStaticDirectoryComponent('public'));

        // Dynamic views and routes
        this.use(new NunjucksComponent(['test/views', 'views']));
        this.use(new RedirectBackComponent());

        // Services
        this.use(mysqlComponent);
        this.use(new MailComponent());

        // Session
        this.use(redisComponent);
        this.use(new SessionComponent(redisComponent));

        // Auth
        this.use(new AuthComponent(new class extends AuthGuard<MagicLink> {
            public async getProofForSession(session: Express.Session): Promise<MagicLink | null> {
                return await MagicLink.bySessionId(session.id, ['login', 'register']);
            }
        }(this)));

        // Utils
        this.use(new FormHelperComponent());
    }

    protected registerWebSocketListeners?(): void;

    protected registerControllers?(): void;

    public getExpressApp(): Express {
        return this.as(ExpressAppComponent).getExpressApp();
    }
}