#include <SettingsWindow.hpp>
#include <nfd.hpp>
#include <log.hpp> 
#include <Options.hpp>
#include <imgui.h>

SettingsWindow::SettingsWindow(gui::NativeWindow& window) : window(window) {
  savesPath = Options::GetInstance().GetValue<std::string>("general", "savePath");
}

bool SettingsWindow::render() {
  ImVec2 center = ImGui::GetMainViewport()->GetCenter();
  ImGui::SetNextWindowPos(center, ImGuiCond_Appearing, ImVec2(0.5f, 0.5f));

  if(!ImGui::BeginPopupModal("Settings", &isOpen))
    return false;
  
  if(!ImGui::BeginTabBar("SettingsTabBar"))
    return false;

  if(ImGui::BeginTabItem("General")) {
    if(ImGui::Button("Pick...")) {
      NFD::Guard guard;
      NFD::UniquePath outPath;

      auto result = NFD::PickFolder(outPath);
      if(result == NFD_ERROR)
        panic("Error: {}", NFD::GetError());

      if(result != NFD_CANCEL) {
        savesPath = outPath.get();
        Options::GetInstance().SetValue<std::string>("general", "savePath", savesPath);
        applyEnabled = true;
      }
    }
    ImGui::SameLine();
    ImGui::BeginDisabled();
    ImGui::InputText("Save Path", (char*)savesPath.c_str(), savesPath.length());
    ImGui::EndDisabled();
    ImGui::EndTabItem();
  }

  if(ImGui::BeginTabItem("Core")) {
    if(cpuSettings.render()) {
      if(cpuSettings.getModified())
        applyEnabled = true;
    }
    ImGui::EndTabItem();
  }

  if(ImGui::BeginTabItem("Audio")) {
    if(audioSettings.render()) {
      if(audioSettings.getModified())
        applyEnabled = true;
    }
    ImGui::EndTabItem();
  }

  ImGui::EndTabBar();

  ImGui::BeginDisabled(!applyEnabled);
  if(ImGui::Button("Apply")) {
    applyEnabled = false;
    Options::GetInstance().Apply();
  }
  ImGui::EndDisabled();
  
  ImGui::SameLine();
  
  if(ImGui::Button("Cancel")) {
    isOpen = false;
    ImGui::CloseCurrentPopup();
  }
  ImGui::EndPopup();

  return true;
}