#include "advancedsettingswidget.h"
#include "core/gpu_types.h"
#include "mainwindow.h"
#include "qtutils.h"
#include "settingsdialog.h"
#include "settingwidgetbinder.h"

static void addBooleanTweakOption(QtHostInterface* host_interface, QTableWidget* table, QString name,
                                  std::string section, std::string key, bool default_value)
{
  const int row = table->rowCount();
  const bool current_value = host_interface->GetBoolSettingValue(section.c_str(), key.c_str(), default_value);

  table->insertRow(row);

  QTableWidgetItem* name_item = new QTableWidgetItem(name);
  name_item->setFlags(name_item->flags() & ~(Qt::ItemIsEditable | Qt::ItemIsSelectable));
  table->setItem(row, 0, name_item);

  QCheckBox* cb = new QCheckBox(table);
  SettingWidgetBinder::BindWidgetToBoolSetting(host_interface, cb, std::move(section), std::move(key), default_value);
  table->setCellWidget(row, 1, cb);
}

static void setBooleanTweakOption(QTableWidget* table, int row, bool value)
{
  QWidget* widget = table->cellWidget(row, 1);
  QCheckBox* cb = qobject_cast<QCheckBox*>(widget);
  Assert(cb);
  cb->setChecked(value);
}

static void addIntRangeTweakOption(QtHostInterface* host_interface, QTableWidget* table, QString name,
                                   std::string section, std::string key, int min_value, int max_value,
                                   int default_value)
{
  const int row = table->rowCount();
  const bool current_value = host_interface->GetBoolSettingValue(section.c_str(), key.c_str(), default_value);

  table->insertRow(row);

  QTableWidgetItem* name_item = new QTableWidgetItem(name);
  name_item->setFlags(name_item->flags() & ~(Qt::ItemIsEditable | Qt::ItemIsSelectable));
  table->setItem(row, 0, name_item);

  QSpinBox* cb = new QSpinBox(table);
  cb->setMinimum(min_value);
  cb->setMaximum(max_value);
  SettingWidgetBinder::BindWidgetToIntSetting(host_interface, cb, std::move(section), std::move(key), default_value);
  table->setCellWidget(row, 1, cb);
}

static void setIntRangeTweakOption(QTableWidget* table, int row, int value)
{
  QWidget* widget = table->cellWidget(row, 1);
  QSpinBox* cb = qobject_cast<QSpinBox*>(widget);
  Assert(cb);
  cb->setValue(value);
}

static void addFloatRangeTweakOption(QtHostInterface* host_interface, QTableWidget* table, QString name,
                                     std::string section, std::string key, float min_value, float max_value,
                                     float step_value, float default_value)
{
  const int row = table->rowCount();

  table->insertRow(row);

  QTableWidgetItem* name_item = new QTableWidgetItem(name);
  name_item->setFlags(name_item->flags() & ~(Qt::ItemIsEditable | Qt::ItemIsSelectable));
  table->setItem(row, 0, name_item);

  QDoubleSpinBox* cb = new QDoubleSpinBox(table);
  cb->setMinimum(min_value);
  cb->setMaximum(max_value);
  cb->setSingleStep(step_value);
  SettingWidgetBinder::BindWidgetToFloatSetting(host_interface, cb, std::move(section), std::move(key), default_value);
  table->setCellWidget(row, 1, cb);
}

static void setFloatRangeTweakOption(QTableWidget* table, int row, float value)
{
  QWidget* widget = table->cellWidget(row, 1);
  QDoubleSpinBox* cb = qobject_cast<QDoubleSpinBox*>(widget);
  Assert(cb);
  cb->setValue(value);
}

template<typename T>
static void addChoiceTweakOption(QtHostInterface* host_interface, QTableWidget* table, QString name,
                                 std::string section, std::string key, std::optional<T> (*parse_callback)(const char*),
                                 const char* (*get_value_callback)(T), const char* (*get_display_callback)(T),
                                 const char* tr_context, u32 num_values, T default_value)
{
  const int row = table->rowCount();
  const std::string current_value =
    host_interface->GetStringSettingValue(section.c_str(), key.c_str(), get_value_callback(default_value));

  table->insertRow(row);

  QTableWidgetItem* name_item = new QTableWidgetItem(name);
  name_item->setFlags(name_item->flags() & ~(Qt::ItemIsEditable | Qt::ItemIsSelectable));
  table->setItem(row, 0, name_item);

  QComboBox* cb = new QComboBox(table);
  for (u32 i = 0; i < num_values; i++)
    cb->addItem(qApp->translate(tr_context, get_display_callback(static_cast<T>(i))));

  SettingWidgetBinder::BindWidgetToEnumSetting(host_interface, cb, std::move(section), std::move(key), parse_callback,
                                               get_value_callback, default_value);
  table->setCellWidget(row, 1, cb);
}

template<typename T>
static void setChoiceTweakOption(QTableWidget* table, int row, T value)
{
  QWidget* widget = table->cellWidget(row, 1);
  QComboBox* cb = qobject_cast<QComboBox*>(widget);
  Assert(cb);
  cb->setCurrentIndex(static_cast<int>(value));
}

AdvancedSettingsWidget::AdvancedSettingsWidget(QtHostInterface* host_interface, QWidget* parent, SettingsDialog* dialog)
  : QWidget(parent), m_host_interface(host_interface)
{
  m_ui.setupUi(this);

  for (u32 i = 0; i < static_cast<u32>(LOGLEVEL_COUNT); i++)
    m_ui.logLevel->addItem(qApp->translate("LogLevel", Settings::GetLogLevelDisplayName(static_cast<LOGLEVEL>(i))));

  SettingWidgetBinder::BindWidgetToEnumSetting(m_host_interface, m_ui.logLevel, "Logging", "LogLevel",
                                               &Settings::ParseLogLevelName, &Settings::GetLogLevelName,
                                               Settings::DEFAULT_LOG_LEVEL);
  SettingWidgetBinder::BindWidgetToStringSetting(m_host_interface, m_ui.logFilter, "Logging", "LogFilter");
  SettingWidgetBinder::BindWidgetToBoolSetting(m_host_interface, m_ui.logToConsole, "Logging", "LogToConsole");
  SettingWidgetBinder::BindWidgetToBoolSetting(m_host_interface, m_ui.logToDebug, "Logging", "LogToDebug");
  SettingWidgetBinder::BindWidgetToBoolSetting(m_host_interface, m_ui.logToWindow, "Logging", "LogToWindow");
  SettingWidgetBinder::BindWidgetToBoolSetting(m_host_interface, m_ui.logToFile, "Logging", "LogToFile");

  SettingWidgetBinder::BindWidgetToBoolSetting(m_host_interface, m_ui.showDebugMenu, "Main", "ShowDebugMenu");

  connect(m_ui.resetToDefaultButton, &QPushButton::clicked, this, &AdvancedSettingsWidget::onResetToDefaultClicked);
  connect(m_ui.showDebugMenu, &QCheckBox::toggled, m_host_interface->getMainWindow(),
          &MainWindow::updateDebugMenuVisibility, Qt::QueuedConnection);

  m_ui.tweakOptionTable->setColumnWidth(0, 380);

  addIntRangeTweakOption(m_host_interface, m_ui.tweakOptionTable, tr("Display FPS Limit"), "Display", "MaxFPS", 0, 1000,
                         0);

  addBooleanTweakOption(m_host_interface, m_ui.tweakOptionTable, tr("PGXP Vertex Cache"), "GPU", "PGXPVertexCache",
                        false);
  addBooleanTweakOption(m_host_interface, m_ui.tweakOptionTable, tr("PGXP CPU Mode"), "GPU", "PGXPCPU", false);
  addBooleanTweakOption(m_host_interface, m_ui.tweakOptionTable, tr("PGXP Preserve Projection Precision"), "GPU",
                        "PGXPPreserveProjFP", false);
  addFloatRangeTweakOption(m_host_interface, m_ui.tweakOptionTable, tr("PGXP Geometry Tolerance"), "GPU",
                           "PGXPTolerance", -1.0f, 10.0f, 0.5f, -1.0f);
  addFloatRangeTweakOption(m_host_interface, m_ui.tweakOptionTable, tr("PGXP Depth Clear Threshold"), "GPU",
                           "PGXPDepthClearThreshold", 0.0f, 4096.0f, 1.0f, Settings::DEFAULT_GPU_PGXP_DEPTH_THRESHOLD);

  addBooleanTweakOption(m_host_interface, m_ui.tweakOptionTable, tr("Enable Recompiler Memory Exceptions"), "CPU",
                        "RecompilerMemoryExceptions", false);
  addChoiceTweakOption(m_host_interface, m_ui.tweakOptionTable, tr("Enable Recompiler Fast Memory Access"), "CPU",
                       "FastmemMode", Settings::ParseCPUFastmemMode, Settings::GetCPUFastmemModeName,
                       Settings::GetCPUFastmemModeDisplayName, "CPUFastmemMode",
                       static_cast<u32>(CPUFastmemMode::Count), Settings::DEFAULT_CPU_FASTMEM_MODE);
  addBooleanTweakOption(m_host_interface, m_ui.tweakOptionTable, tr("Enable Recompiler ICache"), "CPU",
                        "RecompilerICache", false);

  addBooleanTweakOption(m_host_interface, m_ui.tweakOptionTable, tr("Enable VRAM Write Texture Replacement"),
                        "TextureReplacements", "EnableVRAMWriteReplacements", false);
  addBooleanTweakOption(m_host_interface, m_ui.tweakOptionTable, tr("Preload Texture Replacements"),
                        "TextureReplacements", "PreloadTextures", false);
  addBooleanTweakOption(m_host_interface, m_ui.tweakOptionTable, tr("Dump Replaceable VRAM Writes"),
                        "TextureReplacements", "DumpVRAMWrites", false);
  addBooleanTweakOption(m_host_interface, m_ui.tweakOptionTable, tr("Set Dumped VRAM Write Alpha Channel"),
                        "TextureReplacements", "DumpVRAMWriteForceAlphaChannel", true);
  addIntRangeTweakOption(m_host_interface, m_ui.tweakOptionTable, tr("Minimum Dumped VRAM Write Width"),
                         "TextureReplacements", "DumpVRAMWriteWidthThreshold", 1, VRAM_WIDTH,
                         Settings::DEFAULT_VRAM_WRITE_DUMP_WIDTH_THRESHOLD);
  addIntRangeTweakOption(m_host_interface, m_ui.tweakOptionTable, tr("Minimum Dumped VRAM Write Width"),
                         "TextureReplacements", "DumpVRAMWriteHeightThreshold", 1, VRAM_HEIGHT,
                         Settings::DEFAULT_VRAM_WRITE_DUMP_HEIGHT_THRESHOLD);

  addIntRangeTweakOption(m_host_interface, m_ui.tweakOptionTable, tr("DMA Max Slice Ticks"), "Hacks",
                         "DMAMaxSliceTicks", 100, 10000, Settings::DEFAULT_DMA_MAX_SLICE_TICKS);
  addIntRangeTweakOption(m_host_interface, m_ui.tweakOptionTable, tr("DMA Halt Ticks"), "Hacks", "DMAHaltTicks", 100,
                         10000, Settings::DEFAULT_DMA_HALT_TICKS);
  addIntRangeTweakOption(m_host_interface, m_ui.tweakOptionTable, tr("GPU FIFO Size"), "Hacks", "GPUFIFOSize", 16, 4096,
                         Settings::DEFAULT_GPU_FIFO_SIZE);
  addIntRangeTweakOption(m_host_interface, m_ui.tweakOptionTable, tr("GPU Max Run-Ahead"), "Hacks", "GPUMaxRunAhead", 0,
                         1000, Settings::DEFAULT_GPU_MAX_RUN_AHEAD);
  addBooleanTweakOption(m_host_interface, m_ui.tweakOptionTable, tr("Use Debug Host GPU Device"), "GPU",
                        "UseDebugDevice", false);

  addBooleanTweakOption(m_host_interface, m_ui.tweakOptionTable, tr("Increase Timer Resolution"), "Main",
                        "IncreaseTimerResolution", true);
}

AdvancedSettingsWidget::~AdvancedSettingsWidget() = default;

void AdvancedSettingsWidget::onResetToDefaultClicked()
{
  setIntRangeTweakOption(m_ui.tweakOptionTable, 0, 0);
  setBooleanTweakOption(m_ui.tweakOptionTable, 1, false);
  setBooleanTweakOption(m_ui.tweakOptionTable, 2, false);
  setBooleanTweakOption(m_ui.tweakOptionTable, 3, false);
  setFloatRangeTweakOption(m_ui.tweakOptionTable, 4, -1.0f);
  setFloatRangeTweakOption(m_ui.tweakOptionTable, 5, Settings::DEFAULT_GPU_PGXP_DEPTH_THRESHOLD);
  setBooleanTweakOption(m_ui.tweakOptionTable, 6, false);
  setChoiceTweakOption(m_ui.tweakOptionTable, 7, Settings::DEFAULT_CPU_FASTMEM_MODE);
  setBooleanTweakOption(m_ui.tweakOptionTable, 8, false);
  setBooleanTweakOption(m_ui.tweakOptionTable, 9, false);
  setBooleanTweakOption(m_ui.tweakOptionTable, 10, false);
  setBooleanTweakOption(m_ui.tweakOptionTable, 11, false);
  setBooleanTweakOption(m_ui.tweakOptionTable, 12, false);
  setIntRangeTweakOption(m_ui.tweakOptionTable, 13, Settings::DEFAULT_VRAM_WRITE_DUMP_WIDTH_THRESHOLD);
  setIntRangeTweakOption(m_ui.tweakOptionTable, 14, Settings::DEFAULT_VRAM_WRITE_DUMP_HEIGHT_THRESHOLD);
  setIntRangeTweakOption(m_ui.tweakOptionTable, 15, static_cast<int>(Settings::DEFAULT_DMA_MAX_SLICE_TICKS));
  setIntRangeTweakOption(m_ui.tweakOptionTable, 16, static_cast<int>(Settings::DEFAULT_DMA_HALT_TICKS));
  setIntRangeTweakOption(m_ui.tweakOptionTable, 17, static_cast<int>(Settings::DEFAULT_GPU_FIFO_SIZE));
  setIntRangeTweakOption(m_ui.tweakOptionTable, 18, static_cast<int>(Settings::DEFAULT_GPU_MAX_RUN_AHEAD));
  setBooleanTweakOption(m_ui.tweakOptionTable, 19, false);
  setBooleanTweakOption(m_ui.tweakOptionTable, 20, true);
}