#pragma once

#include "displayapp/screens/Screen.h"
#include "components/datetime/DateTimeController.h"
#include "systemtask/SystemTask.h"
#include "displayapp/LittleVgl.h"

#include "components/timer/TimerController.h"

namespace Pinetime::Applications::Screens {

  class Timer : public Screen {
  public:
    enum class Modes { Normal, Done };

    Timer(DisplayApp* app, Controllers::TimerController& timerController);

    ~Timer() override;

    void Refresh() override;
    void RefreshRunning();
  private:
    static void btnEventHandler(lv_obj_t* obj, lv_event_t event);
    inline void OnButtonEvent(lv_obj_t* obj, lv_event_t event) {
      if (event == LV_EVENT_CLICKED) {
        if (obj == btnPlayPause) {
          if (timerController.IsRunning()) {
            Stop();
          } else if (secondsToSet + minutesToSet > 0) {
            timerController.StartTimer((secondsToSet + minutesToSet * 60) * 1000);
            RefreshRunning();
            DeleteButtons();
          }
        } else {
          if (!timerController.IsRunning()) {
            if (obj == btnMinutesUp) {
              if (minutesToSet >= 59) {
                minutesToSet = 0;
              } else {
                minutesToSet++;
              }
              lv_label_set_text_fmt(time, "%02d:%02d", minutesToSet, secondsToSet);

            } else if (obj == btnMinutesDown) {
              if (minutesToSet == 0) {
                minutesToSet = 59;
              } else {
                minutesToSet--;
              }
              lv_label_set_text_fmt(time, "%02d:%02d", minutesToSet, secondsToSet);

            } else if (obj == btnSecondsUp) {
              if (secondsToSet >= 59) {
                secondsToSet = 0;
              } else {
                secondsToSet++;
              }
              lv_label_set_text_fmt(time, "%02d:%02d", minutesToSet, secondsToSet);

            } else if (obj == btnSecondsDown) {
              if (secondsToSet == 0) {
                secondsToSet = 59;
              } else {
                secondsToSet--;
              }
              lv_label_set_text_fmt(time, "%02d:%02d", minutesToSet, secondsToSet);
            }
          }
        }
      }
    }

    inline void CreateButtons() {
      if (btnMinutesUp != nullptr) {
        return;
      }

      btnMinutesUp = lv_btn_create(lv_scr_act(), nullptr);
      btnMinutesUp->user_data = this;
      lv_obj_set_event_cb(btnMinutesUp, btnEventHandler);
      lv_obj_set_size(btnMinutesUp, 60, 40);
      lv_obj_align(btnMinutesUp, lv_scr_act(), LV_ALIGN_IN_LEFT_MID, 20, -85);
      txtMUp = lv_label_create(btnMinutesUp, nullptr);
      lv_label_set_text_static(txtMUp, "+");

      btnMinutesDown = lv_btn_create(lv_scr_act(), nullptr);
      btnMinutesDown->user_data = this;
      lv_obj_set_event_cb(btnMinutesDown, btnEventHandler);
      lv_obj_set_size(btnMinutesDown, 60, 40);
      lv_obj_align(btnMinutesDown, lv_scr_act(), LV_ALIGN_IN_LEFT_MID, 20, +35);
      txtMDown = lv_label_create(btnMinutesDown, nullptr);
      lv_label_set_text_static(txtMDown, "-");

      btnSecondsUp = lv_btn_create(lv_scr_act(), nullptr);
      btnSecondsUp->user_data = this;
      lv_obj_set_event_cb(btnSecondsUp, btnEventHandler);
      lv_obj_set_size(btnSecondsUp, 60, 40);
      lv_obj_align(btnSecondsUp, lv_scr_act(), LV_ALIGN_IN_RIGHT_MID, -20, -85);
      txtSUp = lv_label_create(btnSecondsUp, nullptr);
      lv_label_set_text_static(txtSUp, "+");

      btnSecondsDown = lv_btn_create(lv_scr_act(), nullptr);
      btnSecondsDown->user_data = this;
      lv_obj_set_event_cb(btnSecondsDown, btnEventHandler);
      lv_obj_set_size(btnSecondsDown, 60, 40);
      lv_obj_align(btnSecondsDown, lv_scr_act(), LV_ALIGN_IN_RIGHT_MID, -20, +35);
      txtSDown = lv_label_create(btnSecondsDown, nullptr);
      lv_label_set_text_static(txtSDown, "-");
    }
    inline void DeleteButtons() {
      lv_obj_del(btnSecondsDown);
      btnSecondsDown = nullptr;
      lv_obj_del(btnSecondsUp);
      btnSecondsUp = nullptr;
      lv_obj_del(btnMinutesDown);
      btnMinutesDown = nullptr;
      lv_obj_del(btnMinutesUp);
      btnMinutesUp = nullptr;
    }
    uint8_t secondsToSet = 0;
    uint8_t minutesToSet = 0;
    Controllers::TimerController& timerController;

    void Stop();

    lv_obj_t* backgroundLabel;
    lv_task_t* taskRefresh;
    lv_obj_t *time, *btnPlayPause, *txtPlayPause, *btnMinutesUp = nullptr, *btnMinutesDown, *btnSecondsUp, *btnSecondsDown, *txtMUp,
      *txtMDown, *txtSUp, *txtSDown;
  };
}