#include "main_ui.hpp"
#include "components.hpp"

namespace gui {
  using namespace components;

  MainUI::MainUI(sf::RenderWindow& window, GameLevel level, TexturePack& textures) :
    $window(window),
    $level(level),
    $textures(textures),
    $overlay_ui($level, $textures)
  {
    $window.setVerticalSyncEnabled(VSYNC);
    $window.setFramerateLimit(FRAME_LIMIT);
  }

  void MainUI::debug() {
    auto& dbg = $level.world->get_the<Debug>();
    dbg.FPS = !dbg.FPS;
    dbg.PATHS = !dbg.PATHS;

    if(dbg.FPS) {
      // it's on now, enable things
      auto player = $level.world->get_the<Player>();
      auto& player_combat = $level.world->get<Combat>(player.entity);
      player_combat.hp = player_combat.max_hp;
      $overlay_ui.show_text("top_left", "STATS");
    } else {
      // it's off now, close it
      $overlay_ui.close_text("top_left");
    }
  }

  void MainUI::draw_stats() {
    auto player = $level.world->get_the<Player>();
    auto player_combat = $level.world->get<Combat>(player.entity);
    std::string stats = fmt::format("STATS\n"
        "HP: {}\n"
        "mean:{:>8.5}\n"
        "sdev: {:>8.5}\n"
        "min: {:>8.5}\n"
        "max: {:>8.5}\n"
        "count:{:<10}\n\n"
        "VSync? {}\n"
        "FR Limit: {}\n"
        "Debug? {}\n\n",
        player_combat.hp, $stats.mean(), $stats.stddev(), $stats.min,
        $stats.max, $stats.n, VSYNC,
        FRAME_LIMIT, DEBUG_BUILD);

    $overlay_ui.update_text("top_left", stats);
  }

  void MainUI::draw_blood() {
    auto player = $level.world->get_the<Player>();
    auto player_combat = $level.world->get<Combat>(player.entity);
    if(float(player_combat.hp) / float(player_combat.max_hp) < 0.5) {
      $overlay_ui.show_sprite("middle", "blood_splatter");
    } else {
      $overlay_ui.close_sprite("middle");
    }
  }

  void MainUI::render() {
    $overlay_ui.render();
  }

  void MainUI::draw() {
    $overlay_ui.draw($window);

    auto debug = $level.world->get_the<Debug>();
    if(debug.FPS) draw_stats();
  }
}