//+------------------------------------------------------------------+
//|                                                EA31337 framework |
//|                       Copyright 2016-2019, 31337 Investments Ltd |
//|                                       https://github.com/EA31337 |
//+------------------------------------------------------------------+

/*
 * This file is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
 *
 */

// Includes.
#include "Account.mqh"
#include "Convert.mqh"
#include "Order.mqh"

// Prevents processing this includes file for the second time.
#ifndef MAIL_MQH
#define MAIL_MQH

/**
 * Implements Mail class.
 */
class Mail {

  private:

    string string_dlm; // String delimiter;
    string string_nl; // String new line separator.
    string subject_execute_order;
    string subject_prefix;

  public:

    /**
     * Constructor.
     */
    Mail(string _subject_prefix = "Trading Info: ") {
      this.string_dlm = " ";
      this.string_nl = "<br>\n";
      this.subject_execute_order = __FILE__;
      this.subject_prefix = _subject_prefix;
    }

    /* Getters */

    /**
     * Gets subject prefix.
     */
    string GetMailSubjectPrefix() {
      return this.subject_prefix;
    }

    /**
     * Gets subject on execute order.
     */
    string GetMailSubjectExecuteOrder() {
      return this.subject_execute_order;
    }

    /**
     * Get content of e-mail for executing order.
     *
     * Note: Order needs to be selected before calling this function.
     */
    string GetMailBodyExecuteOrder() {
      string _body = "Trade Information" + string_nl;
      _body += string_nl + StringFormat("Event: %s", "Trade Opened");
      _body += string_nl + StringFormat("Currency Pair: %s", _Symbol);
      _body += string_nl + StringFormat("Time: %s", DateTime::TimeToStr(TIME_DATE|TIME_MINUTES|TIME_SECONDS));
      _body += string_nl + StringFormat("Order Type: %s", Order::OrderTypeToString((ENUM_ORDER_TYPE) Order::OrderType()));
      _body += string_nl + StringFormat("Price: %s", DoubleToStr(Order::OrderOpenPrice(), Digits));
      _body += string_nl + StringFormat("Lot size: %g", Order::OrderLots());
      _body += string_nl + StringFormat("Comment: %s", Order::OrderComment());
      _body += string_nl + StringFormat("Account Balance: %s", Convert::ValueWithCurrency(Account::AccountBalance()));
      _body += string_nl + StringFormat("Account Equity: %s", Convert::ValueWithCurrency(Account::AccountEquity()));
      if (Account::AccountCredit() > 0) {
        _body += string_nl + StringFormat("Account Credit: %s", Convert::ValueWithCurrency(Account::AccountCredit()));
      }
      return _body;
    }

    /**
     * Gets string delimiter.
     */
    string GetStringDlm() {
      return this.string_dlm;
    }

    /**
     * Gets string new line separator.
     */
    string GetStringNl() {
      return this.string_nl;
    }

    /**
     * Get subject of e-mail for executing order.
     *
     * Note: Order needs to be selected before calling this function.
     */
    string GetSubjectExecuteOrder() {
      return GetMailSubjectPrefix() + this.string_dlm + GetMailSubjectExecuteOrder();
    }

    /* Setters */

    /**
     * Sets subject prefix.
     */
    void SetSubjectPrefix(string _subject_prefix) {
      this.subject_prefix = _subject_prefix;
    }

    /**
     * Sets subject on execute order.
     */
    void SetSubjectExecuteOrder(string _subject_execute_order) {
      this.subject_execute_order = _subject_execute_order;
    }

    /**
     * Sets string delimiter.
     */
    void SetStringDlm(string _dlm) {
      this.string_dlm = _dlm;
    }

    /**
     * Sets string new line separator.
     */
    void SetStringNl(string _nl) {
      this.string_nl = _nl;
    }


    /* Mailing methods */

    /**
     * Send e-mail about the order.
     *
     * Note: Order needs to be selected before calling this function.
     */
    bool SendMailExecuteOrder() {
      return SendMail(GetMailSubjectExecuteOrder(), GetMailBodyExecuteOrder());
    }

};
#endif