#include "control_panel.hpp"
#include <fmt/xchar.h>
#include "constants.hpp"

ControlPanel::ControlPanel() {
}

void ControlPanel::init(sf::Vector2f size) {
  $gui.position(0, size.y, size.x, WINDOW_HEIGHT - size.y);
  $gui.layout(
      "[Pause  |*%(200, 400)code|_]"
      "[Step   |_|_]"
      "[Play   |_|_]"
      "[Restart|_|_]"
      );

  for(auto& [name, cell] : $gui.cells()) {
    auto id = $gui.entity(name);
    $gui.set<guecs::Rectangle>(id, {});
    $gui.set<guecs::Text>(id, {guecs::to_wstring(name)});
  }

  auto id = $gui.entity("Pause");
  $gui.set<guecs::Clickable>(id, {[&](auto) {
      $paused = true;
  }});

  id = $gui.entity("Step");
  $gui.set<guecs::Clickable>(id, {[&](auto) {
      $step = true;
  }});

  id = $gui.entity("Play");
  $gui.set<guecs::Clickable>(id, {[&](auto) {
      $paused = false;
  }});

  id = $gui.entity("Restart");
  $gui.set<guecs::Clickable>(id, {[&](auto) {
      $restart = true;
  }});

  $gui.init();
}

void ControlPanel::render(sf::RenderTarget& window) {
  $gui.render(window);
}

void ControlPanel::update(Chip8& vm) {
  if($restart) {
    vm.needs_restart = true;
    $restart = false;
    return;
  }

  vm.paused = $paused;

  if($step && $paused) {
    vm.Cycle();
    vm.needs_render = true;
  }

  $step = false;
}

bool ControlPanel::mouse(float x, float y, guecs::Modifiers mods) {
  return $gui.mouse(x, y, mods);
}