const logger = require('../shared/logger/src/main.js');
const config = require('../shared/config/src/main.js')();

const fs = require('fs');
const axios = require('axios');
const UAParser = require('ua-parser-js');

require('../shared/database/src/create_table.js')();

const fastify = require('fastify')({
    logger: config['server']['log']['print'] ? logger : false,
    ...(config['server']['ssl']['work']
        ? {
              https: {
                  key: fs.readFileSync(
                      config['server']['ssl']['private_key'],
                      'utf8',
                  ),
                  cert: fs.readFileSync(
                      config['server']['ssl']['cert'],
                      'utf8',
                  ),
              },
          }
        : false),
});

const getRateRoute = require('./routes/getRate.js');
const configurationRoutes = require('./routes/configuration.js');
const HomeRoute = require('./routes/home.js');

fastify.register(getRateRoute);
fastify.register(configurationRoutes);
fastify.register(HomeRoute);

fastify.setNotFoundHandler(function (res, reply) {
   return reply.status(404).send({
       status: 404,
       message: 'Page not found!',
       documentation: 'https://kekkai-docs.redume.su/'
   });
});

fastify.addHook('onResponse', async (request, reply) => {
    const routePart = request.raw.url.split('/');
    const routePartFiltered = routePart
        .filter((part) => part !== '')
        .map((part) => `${part}/`);

    routePartFiltered.unshift('/');

    if (!config?.['analytics']['work'] ? config?.['analytics']['work'] : false)
        return;
    else if (!fastify.printRoutes().includes(routePartFiltered.at(-1))) return;

    const userAgent = request.headers['user-agent'];
    const parser = new UAParser(userAgent);
    const browser = parser.getBrowser();
    const os = parser.getOS();

    const formattedOS =
        os.name && os.version ? `${os.name} ${os.version}` : 'N/A';
    const formattedBrowser =
        browser.name && browser.version
            ? `${browser.name} ${browser.version}`
            : 'N/A';

    const event = {
        domain: config['analytics']['plausible_domain'],
        name: request.routeOptions.url
            ? request.routeOptions.url
            : '404 - Not Found',
        url: request.raw.url,
        props: {
            method: request.method,
            statusCode: reply.statusCode,
            browser: formattedBrowser,
            os: formattedOS,
            source: request.headers['referer']
                ? request.headers['referer']
                : 'direct',
        },
    };

    try {
        await axios.post(config['analytics']['plausible_api'], event, {
            headers: {
                Authorization: `Bearer ${config['analytics']['plausible_token']}`,
                'Content-Type': 'application/json',
                'User-Agent': userAgent,
            },
        });
    } catch (error) {
        fastify.log.error('Error sending event to Plausible:', error.message);
    }
});

fastify.listen(
    {
        port: 3000,
        host: config['server']['host'] ? config['server']['host'] : 'localhost',
    },
    (err) => {
        if (err) {
            fastify.log.error(err);
            process.exit(1);
        }
    },
);