/*
* File name: settings_menu.cpp
* Author: lejulien
* Date created: 01-01-1970 00:59:59
// Date modified: 12-01-2026 22:21:49
* ------
*/

#include <nlohmann/json.hpp>

#include <imgui.h>
#include <raylib.h>
#include <rlImGui.h>

#include <settings_menu.hpp>
#include <context.hpp>
#include <world.hpp>
#include <rules.hpp>
#include <render.hpp>

namespace gol {

SettingsMenu::SettingsMenu(std::shared_ptr<ctx> context): context_(context) {
  fps_ctrl_ = context->config_json["fps"].get<int>();
  cell_size_ctrl_ = context->config_json["cell_size"].get<int>();
  settings_window_ = false;
  width_ctrl_ = context->config_json["screen_width"].get<int>();
  height_ctrl_ = context->config_json["screen_height"].get<int>();
  dark_theme_ctrl_ = context->config_json["dark_theme"].get<bool>();
  apply_ctrl_ = false;
}

void SettingsMenu::update() {
  if (apply_ctrl_) {
    bool resize_needed = false;
    context_->config_json["fps"] = fps_ctrl_;
    if (context_->config_json["screen_width"].get<int>() != width_ctrl_ ||
        context_->config_json["screen_height"].get<int>() != height_ctrl_) {
      context_->config_json["screen_width"] = width_ctrl_;
      context_->config_json["screen_height"] = height_ctrl_;
      rlImGuiShutdown();
      SetWindowSize(width_ctrl_, height_ctrl_);
      rlImGuiSetup(dark_theme_ctrl_);
      resize_needed = true;
    }
    if (cell_size_ctrl_ != context_->config_json["cell_size"].get<int>() ||
        resize_needed) {
      context_->world->resize(context_->config_json["screen_width"].get<int>() / cell_size_ctrl_,
                   context_->config_json["screen_height"].get<int>() / cell_size_ctrl_);
      context_->render->updateCellSize(cell_size_ctrl_);
      context_->rules->newWorld(context_->world);
      context_->config_json["cell_size"] = cell_size_ctrl_;
    }
    if (dark_theme_ctrl_ != context_->config_json["dark_theme"]) {
      rlImGuiShutdown();
      rlImGuiSetup(dark_theme_ctrl_);
      context_->config_json["dark_theme"] = dark_theme_ctrl_;
    }
    apply_ctrl_ = false;
    settings_window_ = false;
  }
}

void SettingsMenu::display() {
  if (settings_window_) {
    ImGuiWindowFlags settings_flags =
        ImGuiWindowFlags_AlwaysAutoResize | ImGuiWindowFlags_NoResize;
    ImGui::Begin("Settings", &settings_window_, settings_flags);
    ImGui::SliderInt("Window Width", &width_ctrl_, 800, 1920);
    ImGui::SliderInt("Window Height", &height_ctrl_, 600, 1200);
    ImGui::SliderInt("FPS", &fps_ctrl_, 0, 30);
    ImGui::SliderInt("Cell Size", &cell_size_ctrl_, 4, 100);
    ImGui::Checkbox("Dark Theme", &dark_theme_ctrl_);
    if (ImGui::Button("Save & Apply")) {
      apply_ctrl_ = true;
    }
    ImGui::End();
  }
}

bool SettingsMenu::isOpen() {
  return settings_window_;
}

void SettingsMenu::Toogle() {
  settings_window_ = !settings_window_;
}

// Getters/Setters
int SettingsMenu::getFPS() {
  return fps_ctrl_;
}

void SettingsMenu::setFPS(int new_fps) {
  fps_ctrl_ = new_fps;
}

int SettingsMenu::getCellSize() {
  return cell_size_ctrl_;
}

void SettingsMenu::setCellSize(int new_cell_size) {
  cell_size_ctrl_ = new_cell_size;
}

int SettingsMenu::getWidth() {
  return width_ctrl_;
}

void SettingsMenu::setWidth(int new_width) {
  width_ctrl_ = new_width;
}

int SettingsMenu::getHeight() {
  return height_ctrl_;
}

void SettingsMenu::setHeight(int new_height) {
  height_ctrl_ = new_height;
}

} // namespace gol