#include "desktop_hander.h"
#include "tft_handler.h"

void Desktop_Hander::init(TFT_Handler* th, DISPLAY_STATE* ds) {
  tft = th;
  display_state = ds;

  // Subscribe to events
  EventManager::getInstance().subscribe(this);

  // Create desktop items
  for (int i = 0; i < 5; i++) {
    Desktop_Item di = {
      .id = i,
      .place_x = i * 50 + 1,
      .place_y = 10,
      .icon_size_x = 45,
      .icon_size_y = 50,
    };
    items.push_back(di);
  }

  re_draw_desktop();
}

void Desktop_Hander::re_draw_desktop() {
  draw_background(0x0410);
  draw_task_bar(0xbdf7);

  for (const auto& item : items) {
    draw_desktop_Item(item);
  }
}

void Desktop_Hander::draw_background(int color) {
  tft->fill_screen(color);
}

void Desktop_Hander::draw_task_bar(int color) {
  // bar
  tft->draw_box(0, 293, 480, 40, color);
  tft->draw_line(0, 294, 480, 294, 0xffff);

  // Outer shadow
  tft->draw_box(5, 297, 53, 21, 0x0000);

  // Inner shadow
  tft->draw_box(6, 298, 51, 19, 0x8410);

  // Highlight
  tft->draw_box(5, 297, 51, 19, 0xffff);

  // Button
  tft->draw_box(6, 298, 50, 18, color);
}

void Desktop_Hander::draw_desktop_Item(const Desktop_Item& desktop_item) {
  tft->draw_box(desktop_item.place_x, desktop_item.place_y, 
                desktop_item.icon_size_x, desktop_item.icon_size_y, 0x4648);
}

void Desktop_Hander::on_click_event(const CLICK_EVENT& event) {
  if (event.event != CLICK_EVENTS::LEFT_CLICK) {
    return;
  }
  
  handle_desktop_click(event);
}

void Desktop_Hander::handle_desktop_click(const CLICK_EVENT& event) {
  // Check if click is on desktop (not on taskbar or windows)
  // This is where you'd check if an icon was clicked
  for (const auto& item : items) {
    if (event.x >= item.place_x && 
        event.x <= (item.place_x + item.icon_size_x) &&
        event.y >= item.place_y && 
        event.y <= (item.place_y + item.icon_size_y)) {
      
      Serial.print("Desktop item clicked: ");
      Serial.println(item.id);
      
      // TODO: Handle icon click (open window, etc.)
      break;
    }
  }
}