/****************************************************************************
*                                                                           *
* Project 64 - A Nintendo 64 emulator.                                      *
* http://www.pj64-emu.com/                                                  *
* Copyright (C) 2012 Project64. All rights reserved.                        *
*                                                                           *
* License:                                                                  *
* GNU/GPLv2 http://www.gnu.org/licenses/gpl-2.0.html                        *
*                                                                           *
****************************************************************************/
#include "stdafx.h"
#include "Settings Page.h"
#include "Settings Page - Game - Plugin.h"

CGamePluginPage::CGamePluginPage (HWND hParent, const RECT & rcDispay ) 
{
	if (!Create(hParent,rcDispay))
	{
		return;
	}
	
	//Set the text for all gui Items
	SetDlgItemTextW(m_hWnd, RSP_ABOUT,GS(PLUG_ABOUT));
	SetDlgItemTextW(m_hWnd, GFX_ABOUT,GS(PLUG_ABOUT));
	SetDlgItemTextW(m_hWnd, AUDIO_ABOUT,GS(PLUG_ABOUT));
	SetDlgItemTextW(m_hWnd, CONT_ABOUT,GS(PLUG_ABOUT));

	SetDlgItemTextW(m_hWnd, IDC_RSP_NAME,GS(PLUG_RSP));
	SetDlgItemTextW(m_hWnd, IDC_GFX_NAME,GS(PLUG_GFX));
	SetDlgItemTextW(m_hWnd, IDC_AUDIO_NAME,GS(PLUG_AUDIO));
	SetDlgItemTextW(m_hWnd, IDC_CONT_NAME,GS(PLUG_CTRL));		
	
	SetDlgItemTextW(m_hWnd, IDC_HLE_GFX,GS(PLUG_HLE_GFX));
	SetDlgItemTextW(m_hWnd, IDC_HLE_AUDIO,GS(PLUG_HLE_AUDIO));		

	m_GfxGroup.Attach(GetDlgItem(IDC_GFX_NAME));
	m_AudioGroup.Attach(GetDlgItem(IDC_AUDIO_NAME));
	m_ControlGroup.Attach(GetDlgItem(IDC_CONT_NAME));
	m_RspGroup.Attach(GetDlgItem(IDC_RSP_NAME));

	AddPlugins(GFX_LIST,Game_EditPlugin_Gfx,PLUGIN_TYPE_GFX);
	AddPlugins(AUDIO_LIST,Game_EditPlugin_Audio,PLUGIN_TYPE_AUDIO);
	AddPlugins(CONT_LIST,Game_EditPlugin_Contr,PLUGIN_TYPE_CONTROLLER);
	AddPlugins(RSP_LIST,Game_EditPlugin_RSP,PLUGIN_TYPE_RSP);

	AddModCheckBox(GetDlgItem(IDC_HLE_GFX),Game_UseHleGfx);
	AddModCheckBox(GetDlgItem(IDC_HLE_AUDIO),Game_UseHleAudio);
	
	UpdatePageSettings();
}

void CGamePluginPage::AddPlugins (int ListId,SettingID Type, PLUGIN_TYPE PluginType )
{
	stdstr Default;
	bool PluginSelected = g_Settings->LoadString(Type,Default);

	CModifiedComboBox * ComboBox;
	ComboBox = AddModComboBox(GetDlgItem(ListId),Type);
	if (!PluginSelected)
	{
		ComboBox->SetDefault(NULL);
	}
	ComboBox->AddItemW(GS(PLUG_DEFAULT), NULL);
	
	for (int i = 0, n = m_PluginList.GetPluginCount(); i < n; i++ )
	{
		const CPluginList::PLUGIN * Plugin = m_PluginList.GetPluginInfo(i);
		if (Plugin == NULL)
		{
			continue;
		}
		if (Plugin->Info.Type != PluginType)
		{
			continue;
		}
		if (PluginSelected && _stricmp(Default.c_str(),Plugin->FileName.c_str()) == 0)
		{
			ComboBox->SetDefault((WPARAM)Plugin);
		}
		ComboBox->AddItem(Plugin->Info.Name, (WPARAM)Plugin);
	}
}

void CGamePluginPage::ShowAboutButton ( int id )
{
	CModifiedComboBox * ComboBox = NULL;
	for (ComboBoxList::iterator cb_iter = m_ComboBoxList.begin(); cb_iter != m_ComboBoxList.end(); cb_iter ++)
	{
		if ((int)(cb_iter->second->GetMenu()) != id)
		{
			continue;
		}
		ComboBox = cb_iter->second;
		break;
	}
	if (ComboBox == NULL)
	{
		return;
	}
	int index = ComboBox->GetCurSel();
	if (index == CB_ERR) 
	{
		return; 
	}
	
	const CPluginList::PLUGIN ** PluginPtr = (const CPluginList::PLUGIN **)ComboBox->GetItemDataPtr(index);
	if (PluginPtr == NULL)
	{
		return;
	}

	const CPluginList::PLUGIN * Plugin = *PluginPtr;
	if (Plugin == NULL)
	{
		return;
	}
	
	//Load the plugin
	UINT LastErrorMode = SetErrorMode( SEM_FAILCRITICALERRORS );
	HMODULE hLib = LoadLibrary(Plugin->FullPath);		
	SetErrorMode(LastErrorMode);
	if (hLib == NULL)
	{
		return;
	}
	
	//Get DLL about
	void (__cdecl *DllAbout) ( HWND hWnd );
	DllAbout = (void (__cdecl *)(HWND))GetProcAddress( hLib, "DllAbout" );
	
	//call the function from the dll
	DllAbout(m_hWnd);

	FreeLibrary(hLib);
}

void CGamePluginPage::PluginItemChanged ( int id, int AboutID, bool bSetChanged )
{
	CModifiedComboBox * ComboBox = NULL;
	for (ComboBoxList::iterator cb_iter = m_ComboBoxList.begin(); cb_iter != m_ComboBoxList.end(); cb_iter ++)
	{
		if ((int)(cb_iter->second->GetMenu()) != id)
		{
			continue;
		}
		ComboBox = cb_iter->second;
		break;
	}
	if (ComboBox == NULL)
	{
		return;
	}

	int index = ComboBox->GetCurSel();
	if (index == CB_ERR) 
	{
		return; 
	}
	const CPluginList::PLUGIN ** PluginPtr = (const CPluginList::PLUGIN **)ComboBox->GetItemDataPtr(index);
	if (PluginPtr)
	{
		const CPluginList::PLUGIN * Plugin = *PluginPtr;
		if (Plugin)
		{
			::EnableWindow(GetDlgItem(AboutID),Plugin->AboutFunction);
		}
	}

	if (bSetChanged)
	{
		ComboBox->SetChanged(true);
		SendMessage(GetParent(),PSM_CHANGED,(WPARAM)m_hWnd,0);
	}
}

void CGamePluginPage::UpdatePageSettings ( void )
{
	UpdateCheckBoxes();
	for (ComboBoxList::iterator cb_iter = m_ComboBoxList.begin(); cb_iter != m_ComboBoxList.end(); cb_iter ++)
	{
		CModifiedComboBox * ComboBox = cb_iter->second;
		stdstr SelectedValue;
		
		bool PluginChanged = g_Settings->LoadString(cb_iter->first,SelectedValue);
		ComboBox->SetChanged(PluginChanged);
		if (PluginChanged)
		{
			for (int i = 0, n = m_PluginList.GetPluginCount(); i < n; i++ )
			{
				const CPluginList::PLUGIN * Plugin = m_PluginList.GetPluginInfo(i);
				if (Plugin == NULL)
				{
					continue;
				}
				if (_stricmp(SelectedValue.c_str(),Plugin->FileName.c_str()) != 0)
				{
					continue;
				}
				ComboBox->SetDefault((WPARAM)Plugin);
			}
		} else {
			ComboBox->SetDefault(NULL);
		}
	}
	PluginItemChanged(GFX_LIST,GFX_ABOUT,false);
	PluginItemChanged(AUDIO_LIST,AUDIO_ABOUT,false);
	PluginItemChanged(CONT_LIST,CONT_ABOUT,false);
	PluginItemChanged(RSP_LIST,RSP_ABOUT,false);
}

void CGamePluginPage::HidePage()
{
	ShowWindow(SW_HIDE);
}

void CGamePluginPage::ShowPage()
{
	ShowWindow(SW_SHOW);
}

void CGamePluginPage::ApplySettings( bool UpdateScreen )
{
	CSettingsPageImpl<CGamePluginPage>::ApplySettings(UpdateScreen);
}

bool CGamePluginPage::EnableReset ( void )
{
	if (CSettingsPageImpl<CGamePluginPage>::EnableReset()) { return true; }
	return false;
}

void CGamePluginPage::ResetPage()
{
	CSettingsPageImpl<CGamePluginPage>::ResetPage();
}

void CGamePluginPage::ApplyComboBoxes ( void )
{
	for (ComboBoxList::iterator cb_iter = m_ComboBoxList.begin(); cb_iter != m_ComboBoxList.end(); cb_iter ++)
	{
		CModifiedComboBox * ComboBox = cb_iter->second;
		if (ComboBox->IsChanged())
		{
			int index = ComboBox->GetCurSel();
			if (index == CB_ERR) 
			{
				return; 
			}

			const CPluginList::PLUGIN ** PluginPtr = (const CPluginList::PLUGIN **)ComboBox->GetItemDataPtr(index);
			if (PluginPtr == NULL)
			{
				return;
			}

			const CPluginList::PLUGIN * Plugin = *PluginPtr;

			if (Plugin)
			{
				if (g_Settings->LoadString(cb_iter->first) != Plugin->FileName.c_str())
				{
					g_Settings->SaveString(cb_iter->first,Plugin->FileName.c_str());
				}
			} else {
				g_Settings->DeleteSetting(cb_iter->first);
			}
		}
		if (ComboBox->IsReset())
		{
			g_Settings->DeleteSetting(cb_iter->first);
			ComboBox->SetReset(false);
		}
	}
}

bool CGamePluginPage::ResetComboBox ( CModifiedComboBox & ComboBox, SettingID /*Type*/ )
{
	if (!ComboBox.IsChanged())
	{
		return false;
	}

	ComboBox.SetReset(true);
	for (int i = 0, n = ComboBox.GetCount(); i < n; i++)
	{
		const CPluginList::PLUGIN ** PluginPtr = (const CPluginList::PLUGIN **)ComboBox.GetItemDataPtr(i);
		if (PluginPtr == NULL)
		{
			continue;
		}
		if (*PluginPtr != NULL)
		{
			continue;
		}
		ComboBox.SetCurSel(i);
		return true;
	}
	return false;
}

void CGamePluginPage::HleGfxChanged ( UINT /*Code*/, int id, HWND /*ctl*/ )
{
	for (ButtonList::iterator iter = m_ButtonList.begin(); iter != m_ButtonList.end(); iter ++)
	{
		CModifiedButton * Button = iter->second;
		if ((int)Button->GetMenu() != id)
		{
			continue;
		}			
		if ((Button->GetCheck() & BST_CHECKED) == 0)
		{
			int res = MessageBoxW(m_hWnd, GS(MSG_SET_LLE_GFX_MSG),GS(MSG_SET_LLE_GFX_TITLE),MB_YESNO|MB_ICONWARNING);
			if (res != IDYES)
			{
				Button->SetCheck(BST_CHECKED);
				return;
			}
		}
		Button->SetChanged(true);
		SendMessage(GetParent(),PSM_CHANGED,(WPARAM)m_hWnd,0);
		break;
	}
}

void CGamePluginPage::HleAudioChanged ( UINT /*Code*/, int id, HWND /*ctl*/ )
{
	for (ButtonList::iterator iter = m_ButtonList.begin(); iter != m_ButtonList.end(); iter ++)
	{
		CModifiedButton * Button = iter->second;
		if ((int)Button->GetMenu() != id)
		{
			continue;
		}			
		if ((Button->GetCheck() & BST_CHECKED) != 0)
		{
			int res = MessageBoxW(m_hWnd, GS(MSG_SET_HLE_AUD_MSG),GS(MSG_SET_HLE_AUD_TITLE),MB_ICONWARNING|MB_YESNO);
			if (res != IDYES)
			{
				Button->SetCheck(BST_UNCHECKED);
				return;
			}
		}
		Button->SetChanged(true);
		SendMessage(GetParent(),PSM_CHANGED,(WPARAM)m_hWnd,0);
		break;
	}
}