require('dotenv').config();
const debug = require('debug')('soundbirder:api');
const debugLocale = require('debug')('soundbirder:locale');
const debugResponses = require('debug')('soundbirder:api:responses');
const quizzController = require('./quizz');

const QUIZZ_SIZE = process.env.QUIZZ_SIZE ? process.env.QUIZZ_SIZE : 5;

function getHome(req, res) {
    res.render('api', {
        title: "SoundBirder api",
        version: 0
    });
}

function quizz(req, res) {
    debug('Generating quizz');
    const { lat, lng } = req.query;
    debug(`Coordinates: ${lat}, ${lng}`);
    const locale = req.i18n.locale;
    debugLocale("Locale:", locale);
    quizzController.generateQuizz({ lat, lng }, locale, QUIZZ_SIZE)
        .then(({ species, answer, audio }) => {
            req.session.answer = answer;
            res.json({ species, audio });
            debug("Quizz sent");
        })
        .catch(error => {
            debug("Faced error while generating quizz");
            res.json({ error });
            throw error;
        });
}

function check(req, res) {
    let answer, correct;
    try {
        answer = req.query.species;
        correct = req.session.answer;
    } catch (error) {
        console.error(error);
    }
    let result = {};
    try {
        if (correct === undefined) {
            console.error("No answer found in session");
        } else if (answer === correct.speciesCode) {
            debug("Correct answer");
            result = {
                correct: true,
                message: req.i18n.__('Correct!'),
                answer: correct
            };
        } else {
            debug("Wrong answer");
            result = {
                correct: false,
                message: req.i18n.__('Wrong!'),
                answer: correct
            };
        }
    } catch (error) {
        console.error(error);
    }
    res.json(result);
}

const game = {
    check,
    quizz
}

module.exports = {
    getHome,
    game
}