#pragma once

#include "ui/apps/app.h"
#include <map>
#include <string>
#include "esp_log.h"
#include <memory>

class AppRegistry {
public:
  static AppRegistry& instance() {
    static AppRegistry registry;
    return registry;
  }

  /**
   * @brief Initialize the app registry with built-in apps
   *
   */
  esp_err_t init(void);

  void register_app(std::unique_ptr<AppDescriptor> app_descriptor) {
    if (app_descriptors_.find(app_descriptor->get_name()) != app_descriptors_.end()) {
      // App already registered
      ESP_LOGW("AppRegistry", "App '%s' is already registered", app_descriptor->get_name().c_str());
      return;
    }
    app_descriptors_.emplace(app_descriptor->get_name(), std::move(app_descriptor));
  }

  size_t size() const {
    return app_descriptors_.size();
  }

  // iterators to access registered apps
  auto begin() { return app_descriptors_.begin(); }
  auto begin() const { return app_descriptors_.begin(); }
  auto end() { return app_descriptors_.end(); }
  auto end() const { return app_descriptors_.end(); }

  // [] operator to get app by name
  AppDescriptor* operator[](const std::string& name) {
    auto it = app_descriptors_.find(name);
    if (it != app_descriptors_.end()) {
      return it->second.get();
    }
    return nullptr;
  }

private:
  std::map<std::string, std::unique_ptr<AppDescriptor>> app_descriptors_ = {};

  AppRegistry() = default;
  // Disable copy and move semantics
  AppRegistry(const AppRegistry&) = delete;
  AppRegistry& operator=(const AppRegistry&) = delete;
  AppRegistry(AppRegistry&&) = delete;
  AppRegistry& operator=(AppRegistry&&) = delete;
};