var fs = require('fs');
var path = require('path');
var lodash = require('lodash');
var request = require('request');

var config = require(__basedir + '/config.json');

class MailGunMailAdapter {
    constructor(domain, key, from) {
        this.domain = domain;
        this.key = key;
        this.from = from;
    }
    rawMail(opts, callback){
        request({
            method: 'post',
            url: 'https://api.mailgun.net/v3/'+this.domain+'/messages',
            auth: {
                user: 'api',
                pass: this.key,
            },
            form: lodash.assign({from: this.from}, opts),
            gzip: true,
            json: true,
        }, (err, res, data)=>{
            if (err) return callback(err);
            callback(null, data);
        })
    }
}

if (!config.mailer) {
    module.exports = {rawMail: function(opts, callback){callback(new Error("Mail not configured."))}};
} else if (config.mailer.type == 'mailgun') {
    module.exports = new MailGunMailAdapter(config.mailer.options.domain, config.mailer.options.key, config.mailer.from);
}