/*
 * Descent 3
 * Copyright (C) 2024 Parallax Software
 *
 * This program 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/>.
 */

// BriefScreenEdit.cpp : implementation file
//

#include "mfc_compatibility.h"
#include "editor.h"
#include "BriefScreenEdit.h"
#include "BriefEdit.h"
#include "BriefMissionFlagsDlg.h"

#ifdef _DEBUG
#define new DEBUG_NEW
#undef THIS_FILE
static char THIS_FILE[] = __FILE__;
#endif

/////////////////////////////////////////////////////////////////////////////
// CBriefScreenEdit dialog

CBriefScreenEdit::CBriefScreenEdit(int screen_idx, CWnd *pParent /*=NULL*/) : CDialog(CBriefScreenEdit::IDD, pParent) {
  //{{AFX_DATA_INIT(CBriefScreenEdit)
  m_sDesc = _T("");
  //}}AFX_DATA_INIT
  m_Screen = screen_idx;
  bm_handle = -1;
  m_Set = m_UnSet = 0;
}

void CBriefScreenEdit::DoDataExchange(CDataExchange *pDX) {
  CDialog::DoDataExchange(pDX);
  //{{AFX_DATA_MAP(CBriefScreenEdit)
  DDX_Text(pDX, IDC_BRIEF_ADDS_DESC, m_sDesc);
  //}}AFX_DATA_MAP
}

BEGIN_MESSAGE_MAP(CBriefScreenEdit, CDialog)
//{{AFX_MSG_MAP(CBriefScreenEdit)
ON_WM_TIMER()
ON_CBN_SELCHANGE(IDC_BRIEF_ADDS_LAYOUT_LIST, OnSelchangeBriefAddsLayoutList)
ON_BN_CLICKED(IDC_MISSIONFLAGS, OnMissionflags)
//}}AFX_MSG_MAP
END_MESSAGE_MAP()

/////////////////////////////////////////////////////////////////////////////
// CBriefScreenEdit message handlers

void CBriefScreenEdit::OnOK() {
  CComboBox *combo = (CComboBox *)GetDlgItem(IDC_BRIEF_ADDS_LAYOUT_LIST);
  int sel = combo->GetCurSel();
  if (sel > 0) {
    combo->GetLBText(sel, layout_str);
  } else {
    layout_str = "";
  }

  if (bm_handle > BAD_BITMAP_HANDLE)
    bm_FreeBitmap(bm_handle);

  CDialog::OnOK();
}

BOOL CBriefScreenEdit::OnInitDialog() {
  CDialog::OnInitDialog();

  CComboBox *combo = (CComboBox *)GetDlgItem(IDC_BRIEF_ADDS_LAYOUT_LIST);

  // Start the timer
  CWnd::SetTimer(1, 50, NULL);

  combo->AddString("<None>");
  int sel = 0;

  for (int i = 0; i < (*PBnum_layouts); i++) {
    combo->AddString(PBlayouts[i].filename);
    if (m_Screen != -1) {
      if (!stricmp(Briefing_screens[m_Screen].layout, PBlayouts[i].filename))
        sel = i + 1;
    }
  }

  if (m_Screen != -1) {
    m_Set = Briefing_screens[m_Screen].mission_mask_set;
    m_UnSet = Briefing_screens[m_Screen].mission_mask_unset;
  }

  combo->SetCurSel(sel);

  return TRUE;
}

void CBriefScreenEdit::UpdateView(void) {
  CWnd *objwnd;
  RECT rect;
  int x, y, w, h;

  objwnd = GetDlgItem(IDC_BRIEF_ADDS_PICTURE);
  objwnd->GetWindowRect(&rect);
  ScreenToClient(&rect);

  int bmw, bmh;

  Desktop_surf->attach_to_window((unsigned)m_hWnd);

  w = rect.right - rect.left;
  h = rect.bottom - rect.top;

  bmw = w;
  bmh = h;

  static bool first_call = true;

  if (first_call)
    Desktop_surf->clear(rect.left, rect.top, w, h);

  m_ObjectSurf.create(bmw, bmh, BPP_16);

  if (bm_handle > BAD_BITMAP_HANDLE) {
    m_ObjectSurf.load(bm_handle);
  } else
    Desktop_surf->clear(rect.left, rect.top, w, h);

  x = rect.left + (w / 2) - m_ObjectSurf.width() / 2;
  y = rect.top + (h / 2) - m_ObjectSurf.height() / 2;

  Desktop_surf->blt(x, y, &m_ObjectSurf);

  m_ObjectSurf.free();
  Desktop_surf->attach_to_window((unsigned)NULL);

  if (first_call)
    first_call = false;
}

void CBriefScreenEdit::OnTimer(UINT nIDEvent) {
  UpdateView();
  CDialog::OnTimer(nIDEvent);
}

void CBriefScreenEdit::OnSelchangeBriefAddsLayoutList() {
  if (bm_handle > BAD_BITMAP_HANDLE) {
    bm_FreeBitmap(bm_handle);
    bm_handle = -1;
  }

  CComboBox *combo = (CComboBox *)GetDlgItem(IDC_BRIEF_ADDS_LAYOUT_LIST);
  int sel = combo->GetCurSel();
  if (sel > 0) {
    bm_handle = bm_AllocLoadFileBitmap(PBlayouts[sel - 1].filename, 0);
  }

  CWnd *objwnd;
  RECT rect;
  int w, h;

  objwnd = GetDlgItem(IDC_BRIEF_ADDS_PICTURE);
  objwnd->GetWindowRect(&rect);
  w = rect.right - rect.left;
  h = rect.bottom - rect.top;

  int temp = bm_AllocBitmap(w, h, 0);
  if (temp > BAD_BITMAP_HANDLE) {
    bm_ClearBitmap(temp);
    if (bm_handle > BAD_BITMAP_HANDLE) {
      bm_ScaleBitmapToBitmap(temp, bm_handle);
    }
    bm_FreeBitmap(bm_handle);
    bm_handle = temp;
  }
}

void CBriefScreenEdit::OnMissionflags() {
  CBriefMissionFlagsDlg dlg(m_Set, m_UnSet);

  if (dlg.DoModal()) {
    m_Set = dlg.m_Set;
    m_UnSet = dlg.m_UnSet;
  }
}