/*
 *  Copyright (C) 2005-2018 Team Kodi
 *  This file is part of Kodi - https://kodi.tv
 *
 *  SPDX-License-Identifier: GPL-2.0-or-later
 *  See LICENSES/README.md for more information.
 */

#include "GUIDialogNumeric.h"

#include "ServiceBroker.h"
#include "XBDateTime.h"
#include "guilib/GUIComponent.h"
#include "guilib/GUILabelControl.h"
#include "guilib/GUIWindowManager.h"
#include "guilib/LocalizeStrings.h"
#include "input/Key.h"
#include "input/XBMC_vkeys.h"
#include "interfaces/AnnouncementManager.h"
#include "messaging/helpers/DialogOKHelper.h"
#include "utils/Digest.h"
#include "utils/StringUtils.h"
#include "utils/Variant.h"

#include <cassert>

#define CONTROL_HEADING_LABEL  1
#define CONTROL_INPUT_LABEL    4
#define CONTROL_NUM0          10
#define CONTROL_NUM9          19
#define CONTROL_PREVIOUS      20
#define CONTROL_ENTER         21
#define CONTROL_NEXT          22
#define CONTROL_BACKSPACE     23

using namespace KODI::MESSAGING;
using KODI::UTILITY::CDigest;

CGUIDialogNumeric::CGUIDialogNumeric(void)
  : CGUIDialog(WINDOW_DIALOG_NUMERIC, "DialogNumeric.xml"),
    m_bConfirmed{false},
    m_bCanceled{false},
    m_mode{INPUT_PASSWORD},
    m_block{},
    m_lastblock{},
    m_dirty{false}
{
  m_datetime.Reset();
  m_loadType = KEEP_IN_MEMORY;
}

CGUIDialogNumeric::~CGUIDialogNumeric(void) = default;

void CGUIDialogNumeric::OnInitWindow()
{
  CGUIDialog::OnInitWindow();

  CVariant data;
  switch (m_mode)
  {
  case INPUT_TIME:
    data["type"] = "time";
    break;
  case INPUT_DATE:
    data["type"] = "date";
    break;
  case INPUT_IP_ADDRESS:
    data["type"] = "ip";
    break;
  case INPUT_PASSWORD:
    data["type"] = "numericpassword";
    break;
  case INPUT_NUMBER:
    data["type"] = "number";
    break;
  case INPUT_TIME_SECONDS:
    data["type"] = "seconds";
    break;
  default:
    data["type"] = "keyboard";
    break;
  }

  const CGUIControl *control = GetControl(CONTROL_HEADING_LABEL);
  if (control != nullptr)
    data["title"] = control->GetDescription();

  data["value"] = GetOutputString();

  CServiceBroker::GetAnnouncementManager()->Announce(ANNOUNCEMENT::Input, "OnInputRequested", data);
}

void CGUIDialogNumeric::OnDeinitWindow(int nextWindowID)
{
  // call base class
  CGUIDialog::OnDeinitWindow(nextWindowID);

  CServiceBroker::GetAnnouncementManager()->Announce(ANNOUNCEMENT::Input, "OnInputFinished");
}

bool CGUIDialogNumeric::OnAction(const CAction &action)
{
  if (action.GetID() == ACTION_NEXT_ITEM)
    OnNext();
  else if (action.GetID() == ACTION_PREV_ITEM)
    OnPrevious();
  else if (action.GetID() == ACTION_BACKSPACE)
    OnBackSpace();
  else if (action.GetID() == ACTION_ENTER)
    OnOK();
  else if (action.GetID() >= REMOTE_0 && action.GetID() <= REMOTE_9)
    OnNumber(action.GetID() - REMOTE_0);
  else if (action.GetID() >= KEY_VKEY && action.GetID() < KEY_UNICODE)
  {
    // input from the keyboard (vkey, not ascii)
    uint8_t b = action.GetID() & 0xFF;
    if (b == XBMCVK_LEFT)
      OnPrevious();
    else if (b == XBMCVK_RIGHT)
      OnNext();
    else if (b == XBMCVK_RETURN || b == XBMCVK_NUMPADENTER)
      OnOK();
    else if (b == XBMCVK_BACK)
      OnBackSpace();
    else if (b == XBMCVK_ESCAPE)
      OnCancel();
  }
  else if (action.GetID() == KEY_UNICODE)
  { // input from the keyboard
    if (action.GetUnicode() == 10 || action.GetUnicode() == 13)
      OnOK(); // enter
    else if (action.GetUnicode() == 8)
      OnBackSpace(); // backspace
    else if (action.GetUnicode() == 27)
      OnCancel(); // escape
    else if (action.GetUnicode() == 46)
      OnNext(); // '.'
    else if (action.GetUnicode() >= 48 && action.GetUnicode() < 58)  // number
      OnNumber(action.GetUnicode() - 48);
  }
  else
    return CGUIDialog::OnAction(action);

  return true;
}

bool CGUIDialogNumeric::OnBack(int actionID)
{
  OnCancel();
  return true;
}

bool CGUIDialogNumeric::OnMessage(CGUIMessage& message)
{
  switch ( message.GetMessage() )
  {
  case GUI_MSG_WINDOW_INIT:
    {
      m_bConfirmed = false;
      m_bCanceled = false;
      m_dirty = false;
      return CGUIDialog::OnMessage(message);
    }
    break;

  case GUI_MSG_CLICKED:
    {
      int iControl = message.GetSenderId();
      m_bConfirmed = false;
      m_bCanceled = false;
      if (CONTROL_NUM0 <= iControl && iControl <= CONTROL_NUM9)  // User numeric entry via dialog button UI
      {
        OnNumber(iControl - 10);
        return true;
      }
      else if (iControl == CONTROL_PREVIOUS)
      {
        OnPrevious();
        return true;
      }
      else if (iControl == CONTROL_NEXT)
      {
        OnNext();
        return true;
      }
      else if (iControl == CONTROL_BACKSPACE)
      {
        OnBackSpace();
        return true;
      }
      else if (iControl == CONTROL_ENTER)
      {
        OnOK();
        return true;
      }
    }
    break;

  case GUI_MSG_SET_TEXT:
    SetMode(m_mode, message.GetLabel());

    // close the dialog if requested
    if (message.GetParam1() > 0)
      OnOK();
    break;
  }
  return CGUIDialog::OnMessage(message);
}

void CGUIDialogNumeric::OnBackSpace()
{
  if (!m_dirty && m_block)
  {
    --m_block;
    return;
  }
  if (m_mode == INPUT_NUMBER || m_mode == INPUT_PASSWORD)
  { // just go back one character
    if (!m_number.empty())
      m_number.erase(m_number.length() - 1);
  }
  else if (m_mode == INPUT_IP_ADDRESS)
  {
    if (m_ip[m_block])
      m_ip[m_block] /= 10;
    else if (m_block)
    {
      --m_block;
      m_dirty = false;
    }
  }
  else if (m_mode == INPUT_TIME)
  {
    int hour = m_datetime.GetHour();
    int minute = m_datetime.GetMinute();

    if (m_block == 0)
      hour /= 10;
    else if (minute)
      minute /= 10;
    else
    {
      m_block = 0;
      m_dirty = false;
    }

    m_datetime.SetTime(hour, minute, 0);
  }
  else if (m_mode == INPUT_TIME_SECONDS)
  {
    int hour = m_datetime.GetHour();
    int minute = m_datetime.GetMinute();
    int second = m_datetime.GetSecond();

    if (m_block == 0)
      hour /= 10;
    else if (m_block == 1)
    {
      if (minute)
        minute /= 10;
      else
      {
        m_block = 0;
        m_dirty = false;
      }
    }
    else if (second)
      minute /= 10;
    else
    {
      m_block = 0;
      m_dirty = false;
    }

    m_datetime.SetTime(hour, minute, second);
  }
  else if (m_mode == INPUT_DATE)
  {
    int day = m_datetime.GetDay();
    int month = m_datetime.GetMonth();
    int year = m_datetime.GetYear();

    if (m_block == 0)
      day /= 10;
    else if (m_block == 1)
    {
      if (month)
        month /= 10;
      else
      {
        m_block = 0;
        m_dirty = false;
      }
    }
    else if (year) // m_block == 2
      year /= 10;
    else
    {
      m_block = 1;
      m_dirty = false;
    }

    m_datetime.SetDate(year, month, day);
  }
}

void CGUIDialogNumeric::OnPrevious()
{
  if (m_block)
    m_block--;
  m_dirty = false;
}

void CGUIDialogNumeric::OnNext()
{
  if (m_mode == INPUT_IP_ADDRESS && m_block==0 && m_ip[0]==0)
    return;

  if (m_block < m_lastblock)
    m_block++;
  m_dirty = false;
  if (m_mode == INPUT_DATE)
    VerifyDate(m_block == 2);
}

void CGUIDialogNumeric::FrameMove()
{
  std::string strLabel;
  unsigned int start = 0;
  unsigned int end = 0;
  if (m_mode == INPUT_PASSWORD)
    strLabel.assign(m_number.length(), '*');
  else if (m_mode == INPUT_NUMBER)
    strLabel = m_number;
  else if (m_mode == INPUT_TIME)
  { // format up the time
    strLabel = StringUtils::Format("{:2}:{:02}", m_datetime.GetHour(), m_datetime.GetMinute());
    start = m_block * 3;
    end = m_block * 3 + 2;
  }
  else if (m_mode == INPUT_TIME_SECONDS)
  { // format up the time
    strLabel = StringUtils::Format("{:2}:{:02}:{:02}", m_datetime.GetHour(), m_datetime.GetMinute(),
                                   m_datetime.GetSecond());
    start = m_block * 3;
    end = m_block * 3 + 2;
  }
  else if (m_mode == INPUT_DATE)
  { // format up the date
    strLabel = StringUtils::Format("{:2}/{:2}/{:4}", m_datetime.GetDay(), m_datetime.GetMonth(),
                                   m_datetime.GetYear());
    start = m_block * 3;
    end = m_block * 3 + 2;
    if (m_block == 2)
      end = m_block * 3 + 4;
  }
  else if (m_mode == INPUT_IP_ADDRESS)
  { // format up the date
    strLabel = StringUtils::Format("{:3}.{:3}.{:3}.{:3}", m_ip[0], m_ip[1], m_ip[2], m_ip[3]);
    start = m_block * 4;
    end = m_block * 4 + 3;
  }
  CGUILabelControl *pLabel = dynamic_cast<CGUILabelControl *>(GetControl(CONTROL_INPUT_LABEL));
  if (pLabel)
  {
    pLabel->SetLabel(strLabel);
    pLabel->SetHighlight(start, end);
  }
  CGUIDialog::FrameMove();
}

void CGUIDialogNumeric::OnNumber(uint32_t num)
{
  ResetAutoClose();

  switch (m_mode)
  {
  case INPUT_NUMBER:
  case INPUT_PASSWORD:
    m_number += num + '0';
    break;
  case INPUT_TIME:
    HandleInputTime(num);
    break;
  case INPUT_TIME_SECONDS:
    HandleInputSeconds(num);
    break;
  case INPUT_DATE:
    HandleInputDate(num);
    break;
  case INPUT_IP_ADDRESS:
    HandleInputIP(num);
    break;
  }
}

void CGUIDialogNumeric::SetMode(INPUT_MODE mode, const CDateTime& initial)
{
  m_mode = mode;
  m_block = 0;
  m_lastblock = 0;
  if (m_mode == INPUT_TIME || m_mode == INPUT_TIME_SECONDS || m_mode == INPUT_DATE)
  {
    m_datetime = initial;
    m_lastblock = (m_mode != INPUT_TIME) ? 2 : 1;
  }
}

void CGUIDialogNumeric::SetMode(INPUT_MODE mode, const std::string &initial)
{
  m_mode = mode;
  m_block = 0;
  m_lastblock = 0;
  if (m_mode == INPUT_TIME || m_mode == INPUT_TIME_SECONDS || m_mode == INPUT_DATE)
  {
    CDateTime dateTime;
    if (m_mode == INPUT_TIME || m_mode == INPUT_TIME_SECONDS)
    {
      // check if we have a pure number
      if (initial.find_first_not_of("0123456789") == std::string::npos)
      {
        long seconds = strtol(initial.c_str(), nullptr, 10);
        dateTime = seconds;
      }
      else
      {
        std::string tmp = initial;
        // if we are handling seconds and if the string only contains
        // "mm:ss" we need to add dummy "hh:" to get "hh:mm:ss"
        if (m_mode == INPUT_TIME_SECONDS && tmp.length() <= 5)
          tmp = "00:" + tmp;
        dateTime.SetFromDBTime(tmp);
      }
    }
    else if (m_mode == INPUT_DATE)
    {
      std::string tmp = initial;
      StringUtils::Replace(tmp, '/', '.');
      dateTime.SetFromDBDate(tmp);
    }

    if (!dateTime.IsValid())
      return;

    m_datetime = dateTime;
    m_lastblock = (m_mode == INPUT_DATE) ? 2 : 1;
  }
  else if (m_mode == INPUT_IP_ADDRESS)
  {
    m_lastblock = 3;
    auto blocks = StringUtils::Split(initial, '.');
    if (blocks.size() != 4)
      return;

    for (size_t i = 0; i < blocks.size(); ++i)
    {
      if (blocks[i].length() > 3)
        return;

      m_ip[i] = static_cast<uint8_t>(atoi(blocks[i].c_str()));
    }
  }
  else if (m_mode == INPUT_NUMBER || m_mode == INPUT_PASSWORD)
    m_number = initial;
}

CDateTime CGUIDialogNumeric::GetOutput() const
{
  assert(m_mode == INPUT_TIME || m_mode == INPUT_TIME_SECONDS || m_mode == INPUT_DATE);
  return m_datetime;
}

std::string CGUIDialogNumeric::GetOutputString() const
{
  switch (m_mode)
  {
  case INPUT_DATE:
    return StringUtils::Format("{:02}/{:02}/{:04}", m_datetime.GetDay(), m_datetime.GetMonth(),
                               m_datetime.GetYear());
  case INPUT_TIME:
    return StringUtils::Format("{}:{:02}", m_datetime.GetHour(), m_datetime.GetMinute());
  case INPUT_TIME_SECONDS:
    return StringUtils::Format("{}:{:02}:{:02}", m_datetime.GetHour(), m_datetime.GetMinute(),
                               m_datetime.GetSecond());
  case INPUT_IP_ADDRESS:
    return StringUtils::Format("{}.{}.{}.{}", m_ip[0], m_ip[1], m_ip[2], m_ip[3]);
  case INPUT_NUMBER:
  case INPUT_PASSWORD:
    return m_number;
  }

  //should never get here
  return std::string();
}

bool CGUIDialogNumeric::ShowAndGetSeconds(std::string &timeString, const std::string &heading)
{
  CGUIDialogNumeric *pDialog = CServiceBroker::GetGUI()->GetWindowManager().GetWindow<CGUIDialogNumeric>(WINDOW_DIALOG_NUMERIC);
  if (!pDialog) return false;

  KODI::TIME::time_point time{std::chrono::seconds{StringUtils::TimeStringToSeconds(timeString)}};

  CDateTime datetime(time);

  pDialog->SetMode(INPUT_TIME_SECONDS, datetime);
  pDialog->SetHeading(heading);
  pDialog->Open();
  if (!pDialog->IsConfirmed() || pDialog->IsCanceled())
    return false;
  datetime = pDialog->GetOutput();
  time = datetime.GetAsTimePoint();
  timeString = StringUtils::SecondsToTimeString(
      std::chrono::duration_cast<std::chrono::seconds>(time.time_since_epoch()).count());
  return true;
}

bool CGUIDialogNumeric::ShowAndGetTime(CDateTime& time, const std::string& heading)
{
  CGUIDialogNumeric *pDialog = CServiceBroker::GetGUI()->GetWindowManager().GetWindow<CGUIDialogNumeric>(WINDOW_DIALOG_NUMERIC);
  if (!pDialog) return false;
  pDialog->SetMode(INPUT_TIME, time);
  pDialog->SetHeading(heading);
  pDialog->Open();
  if (!pDialog->IsConfirmed() || pDialog->IsCanceled())
    return false;
  time = pDialog->GetOutput();
  return true;
}

bool CGUIDialogNumeric::ShowAndGetDate(CDateTime& date, const std::string& heading)
{
  CGUIDialogNumeric *pDialog = CServiceBroker::GetGUI()->GetWindowManager().GetWindow<CGUIDialogNumeric>(WINDOW_DIALOG_NUMERIC);
  if (!pDialog) return false;
  pDialog->SetMode(INPUT_DATE, date);
  pDialog->SetHeading(heading);
  pDialog->Open();
  if (!pDialog->IsConfirmed() || pDialog->IsCanceled())
    return false;
  date = pDialog->GetOutput();
  return true;
}

bool CGUIDialogNumeric::ShowAndGetIPAddress(std::string &IPAddress, const std::string &heading)
{
  CGUIDialogNumeric *pDialog = CServiceBroker::GetGUI()->GetWindowManager().GetWindow<CGUIDialogNumeric>(WINDOW_DIALOG_NUMERIC);
  if (!pDialog) return false;
  pDialog->SetMode(INPUT_IP_ADDRESS, IPAddress);
  pDialog->SetHeading(heading);
  pDialog->Open();
  if (!pDialog->IsConfirmed() || pDialog->IsCanceled())
    return false;
  IPAddress = pDialog->GetOutputString();
  return true;
}

bool CGUIDialogNumeric::ShowAndGetNumber(std::string& strInput, const std::string &strHeading, unsigned int iAutoCloseTimeoutMs /* = 0 */, bool bSetHidden /* = false */)
{
  // Prompt user for password input
  CGUIDialogNumeric *pDialog = CServiceBroker::GetGUI()->GetWindowManager().GetWindow<CGUIDialogNumeric>(WINDOW_DIALOG_NUMERIC);
  pDialog->SetHeading( strHeading );

  if (bSetHidden)
    pDialog->SetMode(INPUT_PASSWORD, strInput);
  else
    pDialog->SetMode(INPUT_NUMBER, strInput);
  if (iAutoCloseTimeoutMs)
    pDialog->SetAutoClose(iAutoCloseTimeoutMs);

  pDialog->Open();

  if (!pDialog->IsAutoClosed() && (!pDialog->IsConfirmed() || pDialog->IsCanceled()))
    return false;
  strInput = pDialog->GetOutputString();
  return true;
}

// \brief Show numeric keypad twice to get and confirm a user-entered password string.
// \param strNewPassword String to preload into the keyboard accumulator. Overwritten with user input if return=true.
// \return true if successful display and user input entry/re-entry. false if unsuccessful display, no user input, or canceled editing.
bool CGUIDialogNumeric::ShowAndVerifyNewPassword(std::string& strNewPassword)
{
  // Prompt user for password input
  std::string strUserInput;
  InputVerificationResult ret = ShowAndVerifyInput(strUserInput, g_localizeStrings.Get(12340), false);
  if (ret != InputVerificationResult::SUCCESS)
  {
    if (ret == InputVerificationResult::FAILED)
    {
      // Show error to user saying the password entry was blank
      HELPERS::ShowOKDialogText(CVariant{12357}, CVariant{12358}); // Password is empty/blank
    }
    return false;
  }

  if (strUserInput.empty())
    // user canceled out
    return false;

  // Prompt again for password input, this time sending previous input as the password to verify
  ret = ShowAndVerifyInput(strUserInput, g_localizeStrings.Get(12341), true);
  if (ret != InputVerificationResult::SUCCESS)
  {
    if (ret == InputVerificationResult::FAILED)
    {
      // Show error to user saying the password re-entry failed
      HELPERS::ShowOKDialogText(CVariant{12357}, CVariant{12344}); // Password do not match
    }
    return false;
  }

  // password entry and re-entry succeeded
  strNewPassword = strUserInput;
  return true;
}

// \brief Show numeric keypad and verify user input against strPassword.
// \param strPassword Value to compare against user input.
// \param strHeading String shown on dialog title. Converts to localized string if contains a positive integer.
// \param iRetries If greater than 0, shows "Incorrect password, %d retries left" on dialog line 2, else line 2 is blank.
// \return 0 if successful display and user input. 1 if unsuccessful input. -1 if no user input or canceled editing.
int CGUIDialogNumeric::ShowAndVerifyPassword(std::string& strPassword, const std::string& strHeading, int iRetries)
{
  std::string strTempHeading = strHeading;
  if (iRetries > 0)
  {
    // Show a string telling user they have iRetries retries left
    strTempHeading = StringUtils::Format("{}. {} {} {}", strHeading, g_localizeStrings.Get(12342),
                                         iRetries, g_localizeStrings.Get(12343));
  }

  // make a copy of strPassword to prevent from overwriting it later
  std::string strPassTemp = strPassword;
  InputVerificationResult ret = ShowAndVerifyInput(strPassTemp, strTempHeading, true);
  if (ret == InputVerificationResult::SUCCESS)
    return 0;   // user entered correct password

  if (ret == InputVerificationResult::CANCELED)
    return -1;   // user canceled out

  return 1; // user must have entered an incorrect password
}

// \brief Show numeric keypad and verify user input against strToVerify.
// \param strToVerify Value to compare against user input.
// \param dlgHeading String shown on dialog title.
// \param bVerifyInput If set as true we verify the users input versus strToVerify.
// \return the result of the check (success, failed, or canceled by user).
InputVerificationResult CGUIDialogNumeric::ShowAndVerifyInput(std::string& strToVerify, const std::string& dlgHeading, bool bVerifyInput)
{
  // Prompt user for password input
  CGUIDialogNumeric *pDialog = CServiceBroker::GetGUI()->GetWindowManager().GetWindow<CGUIDialogNumeric>(WINDOW_DIALOG_NUMERIC);
  pDialog->SetHeading(dlgHeading);

  std::string strInput;
  if (!bVerifyInput)
    strInput = strToVerify;

  pDialog->SetMode(INPUT_PASSWORD, strInput);
  pDialog->Open();

  strInput = pDialog->GetOutputString();

  if (!pDialog->IsConfirmed() || pDialog->IsCanceled())
  {
    // user canceled out
    strToVerify = "";
    return InputVerificationResult::CANCELED;
  }

  const std::string md5pword2 = CDigest::Calculate(CDigest::Type::MD5, strInput);

  if (!bVerifyInput)
  {
    strToVerify = md5pword2;
    return InputVerificationResult::SUCCESS;
  }

  return StringUtils::EqualsNoCase(strToVerify, md5pword2) ? InputVerificationResult::SUCCESS : InputVerificationResult::FAILED;
}

bool CGUIDialogNumeric::IsConfirmed() const
{
  return m_bConfirmed;
}

bool CGUIDialogNumeric::IsCanceled() const
{
  return m_bCanceled;
}

void CGUIDialogNumeric::SetHeading(const std::string& strHeading)
{
  Initialize();
  CGUIMessage msg(GUI_MSG_LABEL_SET, GetID(), CONTROL_HEADING_LABEL);
  msg.SetLabel(strHeading);
  OnMessage(msg);
}

void CGUIDialogNumeric::VerifyDate(bool checkYear)
{
  int day = m_datetime.GetDay();
  int month = m_datetime.GetMonth();
  int year = m_datetime.GetYear();

  if (day == 0)
    day = 1;
  if (month == 0)
    month = 1;
  // check for number of days in the month
  if (day == 31)
  {
    if (month == 4 || month == 6 || month == 9 || month == 11)
      day = 30;
  }
  if (month == 2 && day > 28)
  {
    day = 29; // max in february.
    if (checkYear)
    {
      // leap years occur when the year is divisible by 4 but not by 100, or the year is divisible by 400
      // thus they don't occur, if the year has a remainder when divided by 4, or when the year is divisible by 100 but not by 400
      if ((year % 4) || (!(year % 100) && (year % 400)))
        day = 28;
    }
  }

  m_datetime.SetDate(year, month, day);
}

void CGUIDialogNumeric::OnOK()
{
  m_bConfirmed = true;
  m_bCanceled = false;
  Close();
}

void CGUIDialogNumeric::OnCancel()
{
  m_bConfirmed = false;
  m_bCanceled = true;
  Close();
}

void CGUIDialogNumeric::HandleInputIP(uint32_t num)
{
  if (m_dirty && ((m_ip[m_block] < 25) || (m_ip[m_block] == 25 && num < 6) || !(m_block == 0 && num == 0)))
  {
    m_ip[m_block] *= 10;
    m_ip[m_block] += num;
  }
  else
    m_ip[m_block] = num;

  if (m_ip[m_block] > 25 || (m_ip[m_block] == 0 && num == 0))
  {
    ++m_block;
    if (m_block > 3)
      m_block = 0;
    m_dirty = false;
  }
  else
    m_dirty = true;
}

void CGUIDialogNumeric::HandleInputDate(uint32_t num)
{
  int day = m_datetime.GetDay();
  int month = m_datetime.GetMonth();
  int year = m_datetime.GetYear();

  if (m_block == 0) // day of month
  {
    if (m_dirty && (day < 3 || num < 2))
    {
      day *= 10;
      day += num;
    }
    else
      day = num;

    if (day > 3)
    {
      m_block = 1;             // move to months
      m_dirty = false;
    }
    else
      m_dirty = true;
  }
  else if (m_block == 1)  // months
  {
    if (m_dirty && num < 3)
    {
      month *= 10;
      month += num;
    }
    else
      month = num;

    if (month > 1)
    {
      VerifyDate(false);
      m_block = 2;             // move to year
      m_dirty = false;
    }
    else
      m_dirty = true;
  }
  else // year
  {
    if (m_dirty && year < 1000) // have taken input
    {
      year *= 10;
      year += num;
    }
    else
      year = num;

    if (year > 1000)
    {
      VerifyDate(true);
      m_block = 0;        // move to day of month
      m_dirty = false;
    }
    else
      m_dirty = true;
  }

  m_datetime.SetDate(year, month, day);
}

void CGUIDialogNumeric::HandleInputSeconds(uint32_t num)
{
  int hour = m_datetime.GetHour();
  int minute = m_datetime.GetMinute();
  int second = m_datetime.GetSecond();

  if (m_block == 0) // hour
  {
    if (m_dirty) // have input the first digit
    {
      hour *= 10;
      hour += num;
      m_block = 1;             // move to minutes - allows up to 99 hours
      m_dirty = false;
    }
    else  // this is the first digit
    {
      hour = num;
      m_dirty = true;
    }
  }
  else if (m_block == 1) // minute
  {
    if (m_dirty) // have input the first digit
    {
      minute *= 10;
      minute += num;
      m_block = 2;             // move to seconds - allows up to 99 minutes
      m_dirty = false;
    }
    else  // this is the first digit
    {
      minute = num;
      if (num > 5)
      {
        m_block = 2;           // move to seconds
        m_dirty = false;
      }
      else
        m_dirty = true;
    }
  }
  else  // seconds
  {
    if (m_dirty) // have input the first digit
    {
      second *= 10;
      second += num;
      m_block = 0;             // move to hours
      m_dirty = false;
    }
    else  // this is the first digit
    {
      second = num;
      if (num > 5)
      {
        m_block = 0;           // move to hours
        m_dirty = false;
      }
      else
        m_dirty = true;
    }
  }

  m_datetime.SetTime(hour, minute, second);
}

void CGUIDialogNumeric::HandleInputTime(uint32_t num)
{
  int hour = m_datetime.GetHour();
  int minute = m_datetime.GetMinute();

  if (m_block == 0) // hour
  {
    if (m_dirty) // have input the first digit
    {
      if (hour < 2 || num < 4)
      {
        hour *= 10;
        hour += num;
      }
      else
        hour = num;

      m_block = 1;             // move to minutes
      m_dirty = false;
    }
    else  // this is the first digit
    {
      hour = num;

      if (num > 2)
      {
        m_block = 1;             // move to minutes
        m_dirty = false;
      }
      else
        m_dirty = true;
    }
  }
  else  // minute
  {
    if (m_dirty) // have input the first digit
    {
      minute *= 10;
      minute += num;
      m_block = 0;             // move to hours
      m_dirty = false;
    }
    else  // this is the first digit
    {
      minute = num;

      if (num > 5)
      {
        m_block = 0;           // move to hours
        m_dirty = false;
      }
      else
        m_dirty = true;
    }
  }

  m_datetime.SetTime(hour, minute, 0);
}