'use strict';

const config = require('config');
const log = require('npmlog');
const appBuilder = require('./app-builder');
const http = require('http');
//const triggers = require('./services/triggers');
// const importer = require('./services/importer');
// const verpServer = require('./services/verp-server');
const testServer = require('./services/test-server');
//const postfixBounceServer = require('./services/postfix-bounce-server');
const tzupdate = require('./services/tzupdate');
//const feedcheck = require('./services/feedcheck');
const dbcheck = require('./lib/dbcheck');
//const senders = require('./lib/senders');
const reportProcessor = require('./lib/report-processor');
const executor = require('./lib/executor');
const privilegeHelpers = require('./lib/privilege-helpers');
const knex = require('./lib/knex');
const shares = require('./models/shares');

const trustedPort = config.www.port;
const sandboxPort = config.www.sandboxPort;
const host = config.www.host;

if (config.title) {
    process.title = config.title;
}

log.level = config.log.level;


function startHTTPServer(trusted, port, callback) {
    const app = appBuilder.createApp(trusted);
    app.set('port', port);

    const server = http.createServer(app);

    server.on('error', err => {
        if (err.syscall !== 'listen') {
            throw err;
        }

        const bind = typeof port === 'string' ? 'Pipe ' + port : 'Port ' + port;

        // handle specific listen errors with friendly messages
        switch (err.code) {
            case 'EACCES':
                log.error('Express', '%s requires elevated privileges', bind);
                return process.exit(1);
            case 'EADDRINUSE':
                log.error('Express', '%s is already in use', bind);
                return process.exit(1);
            default:
                throw err;
        }
    });

    server.on('listening', () => {
        const addr = server.address();
        const bind = typeof addr === 'string' ? 'pipe ' + addr : 'port ' + addr.port;
        log.info('Express', 'WWW server listening on %s', bind);
    });

    server.listen({port, host}, callback);
}


// ---------------------------------------------------------------------------------------
// Start the whole circus here
// ---------------------------------------------------------------------------------------
dbcheck(err => { // Check if database needs upgrading before starting the server - legacy migration first
    if (err) {
        log.error('DB', err.message || err);
        return process.exit(1);
    }

    knex.migrate.latest() // And now the current migration with Knex

    .then(() => shares.regenerateRoleNamesTable())
    .then(() => shares.rebuildPermissions())

    .then(() =>
        executor.spawn(() => {
            testServer(() => {
                //verpServer(() => {
                    startHTTPServer(true, trustedPort, () => {
                        startHTTPServer(false, sandboxPort, () => {
                            privilegeHelpers.dropRootPrivileges();

                            tzupdate.start();
                            //importer(() => {
                                //triggers(() => {
                                    //senders.spawn(() => {
                                        //feedcheck(() => {
                                            //postfixBounceServer(async () => {
                            (async () => {
                                                    await reportProcessor.init();
                                                    log.info('Service', 'All services started');
                            })();
                                            //});
                                        //});
                                    //});
                                //});
                            //});
                        });
                    });
                //});
            });
        })
    );
});