const fs = require('fs');
const path = require('path')
const BackendApi = require('./api').BackendApi
const express = require('express');
const router = express.Router({
    mergeParams: true
});

const basePath = path.resolve(__dirname, '../')
console.log(basePath)

let pluginsInfo = [];
let plugins = {};

function init(){
    console.log("Initializing plugins");
    const pluginFolders = fs.readdirSync(path.resolve(basePath + '/plugins'));
    pluginFolders.forEach(pluginFolder => {
        pluginsInfo.push(JSON.parse(fs.readFileSync(
            path.resolve(basePath, 'plugins', pluginFolder, "plugin.json")
        )));
    });
    
    console.log("Launching using the following plugins:");
    pluginsInfo.forEach(pluginInfo => {
        console.log(`\t- ${pluginInfo.name}`);
        plugins[pluginInfo.package] = {info: pluginInfo, payload: require(`${basePath}/plugins/${pluginInfo.package}/${pluginInfo.backend.entrypoint}`)};
    });

    // Execute main
    Object.keys(plugins).forEach(k => {
        let pluginApi = new BackendApi(plugins[k].info, router);
        plugins[k].payload.Main(pluginApi);
    });

    return {
        router
    }
}

module.exports = {
    init
}