// Copyright (C) 2003 Dolphin Project.

// 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, version 2.0.

// 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 2.0 for more details.

// A copy of the GPL 2.0 should have been included with the program.
// If not, see http://www.gnu.org/licenses/

// Official SVN repository and contact information can be found at
// http://code.google.com/p/dolphin-emu/


#include "Config.h"
#include "ConfigDlg.h"

BEGIN_EVENT_TABLE(DSPConfigDialogHLE, wxDialog)
	EVT_BUTTON(wxID_OK, DSPConfigDialogHLE::SettingsChanged)
	EVT_CHECKBOX(ID_ENABLE_HLE_AUDIO, DSPConfigDialogHLE::SettingsChanged)
	EVT_CHECKBOX(ID_ENABLE_DTK_MUSIC, DSPConfigDialogHLE::SettingsChanged)
	EVT_CHECKBOX(ID_ENABLE_THROTTLE, DSPConfigDialogHLE::SettingsChanged)
	EVT_CHECKBOX(ID_ENABLE_RE0_FIX, DSPConfigDialogHLE::SettingsChanged)
#ifdef _WIN32
	EVT_COMMAND_SCROLL(ID_VOLUME, DSPConfigDialogHLE::VolumeChanged)
#endif
END_EVENT_TABLE()

DSPConfigDialogHLE::DSPConfigDialogHLE(wxWindow *parent, wxWindowID id, const wxString &title, const wxPoint &position, const wxSize& size, long style)
: wxDialog(parent, id, title, position, size, style)
{
	// Center window
	CenterOnParent();

	m_OK = new wxButton(this, wxID_OK, wxT("OK"), wxDefaultPosition, wxDefaultSize, 0, wxDefaultValidator);
	
	wxStaticBoxSizer *sbSettings = new wxStaticBoxSizer(wxVERTICAL, this, wxT("Sound Settings"));
	// Unfortunately, DSound is the only API having a volume setting...
	// Its better to remove the Volume setting on non-WIN32, since the user might
	// be confused about why he cannot change the volume 
	// (or the dev fixing it might be confused about why it still doesn't work :P)
#ifdef _WIN32
	wxStaticBoxSizer *sbSettingsV = new wxStaticBoxSizer(wxVERTICAL, this, wxT("Volume"));
#endif

	// Create items
	m_buttonEnableHLEAudio = new wxCheckBox(this, ID_ENABLE_HLE_AUDIO, wxT("Enable HLE Audio"), wxDefaultPosition, wxDefaultSize, 0, wxDefaultValidator);
	m_buttonEnableDTKMusic = new wxCheckBox(this, ID_ENABLE_DTK_MUSIC, wxT("Enable DTK Music"), wxDefaultPosition, wxDefaultSize, 0, wxDefaultValidator);
	m_buttonEnableThrottle = new wxCheckBox(this, ID_ENABLE_THROTTLE, wxT("Enable Audio Throttle"), wxDefaultPosition, wxDefaultSize, 0, wxDefaultValidator);
	m_buttonEnableRE0Fix = new wxCheckBox(this, ID_ENABLE_RE0_FIX, wxT("Enable RE0 Audio Hack"), wxDefaultPosition, wxDefaultSize, 0, wxDefaultValidator);
	wxStaticText *BackendText = new wxStaticText(this, wxID_ANY, wxT("Audio Backend"), wxDefaultPosition, wxDefaultSize, 0);
	m_BackendSelection = new wxComboBox(this, ID_BACKEND, wxEmptyString, wxDefaultPosition, wxSize(90, 20), wxArrayBackends, wxCB_READONLY, wxDefaultValidator);

#ifdef _WIN32
	m_volumeText = new wxStaticText(this, wxID_ANY, wxString::Format(wxT("%d %%"), ac_Config.m_Volume), wxDefaultPosition, wxDefaultSize, 0);
	m_volumeSlider = new wxSlider(this, ID_VOLUME, ac_Config.m_Volume, 1, 100, wxDefaultPosition, wxDefaultSize, wxSL_VERTICAL|wxSL_INVERSE);
#endif

	// Update values
	m_buttonEnableHLEAudio->SetValue(g_Config.m_EnableHLEAudio ? true : false);
	m_buttonEnableDTKMusic->SetValue(ac_Config.m_EnableDTKMusic ? true : false);
	m_buttonEnableThrottle->SetValue(ac_Config.m_EnableThrottle ? true : false);
	m_buttonEnableRE0Fix->SetValue(g_Config.m_EnableRE0Fix ? true : false);

	// Add tooltips
	m_buttonEnableHLEAudio->SetToolTip(wxT("This is usually used to play voice and sound effects."));
	m_buttonEnableDTKMusic->SetToolTip(wxT("This is used to play music tracks, like BGM."));
	m_buttonEnableThrottle->SetToolTip(wxT("This is used to control game speed by sound throttle.\n")
		wxT("Disabling this could cause abnormal game speed, such as too fast.\n")
		wxT("But sometimes enabling this could cause constant noise.\n")
		wxT("\nKeyboard Shortcut <TAB>:  Hold down to instantly disable Throttle."));
	m_buttonEnableRE0Fix->SetToolTip(wxT("This fixes audio in Resident Evil Zero and maybe some other games."));
	m_BackendSelection->SetToolTip(wxT("Changing this will have no effect while the emulator is running!"));

	// Create sizer and add items to dialog
	wxBoxSizer *sMain = new wxBoxSizer(wxVERTICAL);
	wxBoxSizer *sSettings = new wxBoxSizer(wxHORIZONTAL);
	wxBoxSizer *sBackend = new wxBoxSizer(wxHORIZONTAL);
	wxBoxSizer *sButtons = new wxBoxSizer(wxHORIZONTAL);

	sbSettings->Add(m_buttonEnableHLEAudio, 0, wxALL, 5);
	sbSettings->Add(m_buttonEnableDTKMusic, 0, wxALL, 5);
	sbSettings->Add(m_buttonEnableThrottle, 0, wxALL, 5);
	sbSettings->Add(m_buttonEnableRE0Fix, 0, wxALL, 5);
	sBackend->Add(BackendText, 0, wxALIGN_CENTER|wxALL, 5);
	sBackend->Add(m_BackendSelection, 0, wxALL, 1);
	sbSettings->Add(sBackend, 0, wxALL, 2);

	sSettings->Add(sbSettings, 0, wxALL|wxEXPAND, 4);
#ifdef _WIN32
	sbSettingsV->Add(m_volumeSlider, 0, wxLEFT|wxRIGHT|wxALIGN_CENTER, 6);
	sbSettingsV->Add(m_volumeText, 0, wxALL|wxALIGN_LEFT, 4);
	sSettings->Add(sbSettingsV, 0, wxALL|wxEXPAND, 4);
#endif
	sMain->Add(sSettings, 0, wxALL|wxEXPAND, 4);
	
	sButtons->AddStretchSpacer(); 
	sButtons->Add(m_OK, 0, wxALL, 1);
	sMain->Add(sButtons, 0, wxALL|wxEXPAND, 4);
	SetSizerAndFit(sMain);
}

// Add audio output options
void DSPConfigDialogHLE::AddBackend(const char* backend)
{
	// Update values
    m_BackendSelection->Append(wxString::FromAscii(backend));
#ifdef __APPLE__
	m_BackendSelection->SetValue(wxString::FromAscii(ac_Config.sBackend));
#else
	m_BackendSelection->SetValue(wxString::FromAscii(ac_Config.sBackend.c_str()));
#endif
}

void DSPConfigDialogHLE::ClearBackends()
{
	m_BackendSelection->Clear();
}

DSPConfigDialogHLE::~DSPConfigDialogHLE()
{
}

#ifdef _WIN32
void DSPConfigDialogHLE::VolumeChanged(wxScrollEvent& WXUNUSED(event))
{
	ac_Config.m_Volume = m_volumeSlider->GetValue();
	ac_Config.Update();

	m_volumeText->SetLabel(wxString::Format(wxT("%d %%"), m_volumeSlider->GetValue()));
}
#endif

void DSPConfigDialogHLE::SettingsChanged(wxCommandEvent& event)
{
	g_Config.m_EnableHLEAudio = m_buttonEnableHLEAudio->GetValue();
	ac_Config.m_EnableDTKMusic = m_buttonEnableDTKMusic->GetValue();
	ac_Config.m_EnableThrottle = m_buttonEnableThrottle->GetValue();
	g_Config.m_EnableRE0Fix = m_buttonEnableRE0Fix->GetValue();

#ifdef __APPLE__
	strncpy(ac_Config.sBackend, m_BackendSelection->GetValue().mb_str(), 128);
#else
	ac_Config.sBackend = m_BackendSelection->GetValue().mb_str();
#endif
	ac_Config.Update();
	g_Config.Save();

	if (event.GetId() == wxID_OK)
		EndModal(wxID_OK);
}