const config = require('../config')
const fs = require('fs')

const not_valid = (message) => {
    console.error('not valid (config.js): ', message)
}

const test_config = () => {
    var config_pass = true

    if (!config) {
        not_valid('config')
        config_pass = false
    }

    if (!config.port) {
        not_valid('port')
        config_pass = false
    }

    if (!config.external_domain) {
        not_valid('external_domain')
        config_pass = false
    }

    if (!config.coordinator_url) {
        not_valid('coordinator_url')
        config_pass = false
    }

    if (!config.database_url) {
        not_valid('database_url')
        config_pass = false
    }

    if (!config.database_name) {
        not_valid('database_name')
        config_pass = false
    }

    if (!config.webrtc_port_begin) {
        not_valid('webrtc_port_begin')
        config_pass = false
    }

    if (!config.session_limit) {
        not_valid('session_limit')
        config_pass = false
    }

    if (!config.log_path) {
        not_valid('log_path')
        config_pass = false
    }

    if (!config.webrtc_server_path) {
        not_valid('webrtc_server_path')
        config_pass = false
    }

    if (config.webrtc_server_path) {
        if (!fs.existsSync(config.webrtc_server_path)) {
            not_valid('wbertc_server_path exists in config BUT not in the filesystem (file not exists)')
            config_pass = false
        }
    }

    if (!config.app_args) {
        not_valid('webrtc_server_path')
        config_pass = false
    }
    return config_pass
}

module.exports = {
    test_config
}