/*
 * Purpose: private wxWindows helper classes for SMTP
 * Author:  Frank Buß
 * Created: 2002
 */

#include "states.h"


const InitialState g_initialState;
const ConnectedState g_connectedState;
const HeloState g_heloState;
const SendMailFromState g_sendMailFromState;
const RcptListState g_rcptListState;
const StartDataState g_startDataState;
const DataState g_dataState;


void InitialState::onConnect(wxSMTP& context, wxSocketEvent& event) const
{
    if (event.GetSocketEvent() == wxSOCKET_CONNECTION) {
        context.ChangeState(g_connectedState);
    } else {
        // error
    }
}


void ConnectedState::onResponse(wxSMTP& context, int smtpCode) const
{
    if (smtpCode == 220) {
        context.ChangeState(g_heloState);
        // TODO: using some wxWindows function for getting the hostname
        context.Write(wxT("HELO localhost\x00d\x00a"));
    } else {
        // error
    }
}


void HeloState::onResponse(wxSMTP& context, int smtpCode) const
{
    if (smtpCode == 250) {
        context.ChangeState(g_sendMailFromState);
        context.SendFrom();
    } else {
        // error
    }
}


void SendMailFromState::onResponse(wxSMTP& context, int smtpCode) const
{
    if (smtpCode == 250) {
        context.ChangeState(g_rcptListState);
        context.SendNextRecipient();
    } else {
        // error
    }
}


void RcptListState::onResponse(wxSMTP& context, int smtpCode) const
{
    switch (smtpCode) {
        case 250:
        case 251:
            context.OnRecipientSuccess();
            break;
        case 421:  // service not available
            // error
            break;
        default:
            context.OnRecipientError();
    }
    context.SendNextRecipient();
}


void StartDataState::onResponse(wxSMTP& context, int smtpCode) const
{
    if (smtpCode == 354) {
        context.ChangeState(g_dataState);
        context.SendData();
    }
}


void DataState::onResponse(wxSMTP& context, int smtpCode) const
{
    if (smtpCode == 250) {
        context.OnDataSuccess();
    }
}