const logger = require('./logger.js');
const util = require('./util.js');
const constants = require('./constants.js');
const modep = require('./modep.js');
const osc = require('./osc.js');
const info = require('./info.js');
const systemd = require('./systemd.js');

const endpoints = new Map();

function setEndpoint(url, get, post) {
    if (get === undefined && post === undefined) {
        return;
    }
    var endpoint = {};
    if (get !== undefined) {
        endpoint.GET = get;
    }
    if (post !== undefined) {
        endpoint.POST = post;
    }
    endpoints.set(url, endpoint);
    logger.debug('set up endpoint \'' + url + '\' > GET: ' + (endpoint.GET !== undefined) + ', POST ' + (endpoint.POST !== undefined));
}

function getEndpoints() {
    return endpoints;
}

async function setupEndpoints() {
    const timestamp = new Date();
    logger.debug('setting up endpoints...');
    setEndpoint(constants.API_INFO, { method: info.getHostInfo });
    setEndpoint(constants.API_TEMPERATURE, { method: info.getTemperature });
    setEndpoint(constants.API_BANKS, { method: modep.getBanks })
    setEndpoint(constants.API_BANKS_BY_ID, { method: modep.getBankById });
    setEndpoint(constants.API_PEDALBOARDS, { method: modep.getPedalboards });
    setEndpoint(
        constants.API_PEDALBOARDS_BY_ID,
        { method: modep.getPedalboardById },
        { method: modep.setPedalboardById }
    );
    setEndpoint(
        constants.API_PEDALBOARDS_DEFAULT,
        { method: modep.getDefaultPedalboard }
    );
    setEndpoint(
        constants.API_PEDALBOARDS_CURRENT,
        { method: modep.getCurrentPedalboard }
    );
    setEndpoint(
        constants.API_PEDALS,
        { method: modep.getCurrentPedals }
    );
    setEndpoint(
        constants.API_PEDAL_BY_ID,
        { method: modep.getCurrentPedalById },
        { method: modep.setControlByRequest }
    );
    setEndpoint(
        constants.API_BYPASS,
        undefined,
        { method: modep.toggleBypass }
    );
    setEndpoint(
        constants.API_BYPASS_BY_ID,
        undefined,
        { method: modep.toggleBypass }
    );
    setEndpoint(
        constants.API_MIDI,
        undefined,
        { method: osc.sendByRequest }
    )
    if (global.config.systemd !== undefined) {
        for (let index = 0; index < global.config.systemd.length; index++) {
            setEndpoint(
                constants.API_SYSTEMD + '/' + global.config.systemd[index],
                { method: systemd.getServiceState },
                { method: systemd.setServiceState }
            )
        }
    }
    logger.debug('setting up ' + endpoints.size + ' endpoints took ' + util.timeDiff(timestamp) + 'ms');
}

module.exports = {
    setupEndpoints,
    getEndpoints
}