#include "displayapp/screens/settings/SettingSetTime.h"
#include <lvgl/lvgl.h>
#include <hal/nrf_rtc.h>
#include <nrf_log.h>
#include "displayapp/DisplayApp.h"
#include "displayapp/screens/Symbols.h"
#include "components/settings/Settings.h"

using namespace Pinetime::Applications::Screens;

namespace {
  constexpr int16_t POS_X_HOURS = -72;
  constexpr int16_t POS_X_MINUTES = 0;
  constexpr int16_t POS_X_SECONDS = 72;
  constexpr int16_t POS_Y_PLUS = -50;
  constexpr int16_t POS_Y_TEXT = -6;
  constexpr int16_t POS_Y_MINUS = 40;
  constexpr int16_t OFS_Y_COLON = -2;

  void event_handler(lv_obj_t* obj, lv_event_t event) {
    auto* screen = static_cast<SettingSetTime*>(obj->user_data);
    screen->HandleButtonPress(obj, event);
  }
}

SettingSetTime::SettingSetTime(Pinetime::Applications::DisplayApp* app,
                               Pinetime::Controllers::DateTime& dateTimeController,
                               Pinetime::Controllers::Settings& settingsController)
  : Screen(app), dateTimeController {dateTimeController}, settingsController {settingsController} {
  lv_obj_t* title = lv_label_create(lv_scr_act(), nullptr);
  lv_label_set_text_static(title, "Set current time");
  lv_label_set_align(title, LV_LABEL_ALIGN_CENTER);
  lv_obj_align(title, lv_scr_act(), LV_ALIGN_IN_TOP_MID, 15, 15);

  lv_obj_t* icon = lv_label_create(lv_scr_act(), nullptr);
  lv_obj_set_style_local_text_color(icon, LV_LABEL_PART_MAIN, LV_STATE_DEFAULT, LV_COLOR_ORANGE);

  lv_label_set_text_static(icon, Symbols::clock);
  lv_label_set_align(icon, LV_LABEL_ALIGN_CENTER);
  lv_obj_align(icon, title, LV_ALIGN_OUT_LEFT_MID, -10, 0);

  hoursValue = static_cast<int>(dateTimeController.Hours());
  lblHours = lv_label_create(lv_scr_act(), nullptr);
  lv_obj_set_style_local_text_font(lblHours, LV_LABEL_PART_MAIN, LV_STATE_DEFAULT, &jetbrains_mono_42);
  lv_label_set_text_fmt(lblHours, "%02d", hoursValue);
  lv_label_set_align(lblHours, LV_LABEL_ALIGN_CENTER);
  lv_obj_align(lblHours, lv_scr_act(), LV_ALIGN_CENTER, POS_X_HOURS, POS_Y_TEXT);
  lv_obj_set_auto_realign(lblHours, true);

  lv_obj_t* lblColon1 = lv_label_create(lv_scr_act(), nullptr);
  lv_obj_set_style_local_text_font(lblColon1, LV_LABEL_PART_MAIN, LV_STATE_DEFAULT, &jetbrains_mono_42);
  lv_label_set_text_static(lblColon1, ":");
  lv_label_set_align(lblColon1, LV_LABEL_ALIGN_CENTER);
  lv_obj_align(lblColon1, lv_scr_act(), LV_ALIGN_CENTER, (POS_X_HOURS + POS_X_MINUTES) / 2, POS_Y_TEXT + OFS_Y_COLON);

  minutesValue = static_cast<int>(dateTimeController.Minutes());
  lblMinutes = lv_label_create(lv_scr_act(), nullptr);
  lv_obj_set_style_local_text_font(lblMinutes, LV_LABEL_PART_MAIN, LV_STATE_DEFAULT, &jetbrains_mono_42);
  lv_label_set_text_fmt(lblMinutes, "%02d", minutesValue);
  lv_label_set_align(lblMinutes, LV_LABEL_ALIGN_CENTER);
  lv_obj_align(lblMinutes, lv_scr_act(), LV_ALIGN_CENTER, POS_X_MINUTES, POS_Y_TEXT);
  lv_obj_set_auto_realign(lblMinutes, true);

  lv_obj_t* lblColon2 = lv_label_create(lv_scr_act(), nullptr);
  lv_obj_set_style_local_text_font(lblColon2, LV_LABEL_PART_MAIN, LV_STATE_DEFAULT, &jetbrains_mono_42);
  lv_label_set_text_static(lblColon2, ":");
  lv_label_set_align(lblColon2, LV_LABEL_ALIGN_CENTER);
  lv_obj_align(lblColon2, lv_scr_act(), LV_ALIGN_CENTER, (POS_X_MINUTES + POS_X_SECONDS) / 2, POS_Y_TEXT + OFS_Y_COLON);

  lv_obj_t* lblSeconds = lv_label_create(lv_scr_act(), nullptr);
  lv_obj_set_style_local_text_font(lblSeconds, LV_LABEL_PART_MAIN, LV_STATE_DEFAULT, &jetbrains_mono_42);
  lv_label_set_text_static(lblSeconds, "00");
  lv_label_set_align(lblSeconds, LV_LABEL_ALIGN_CENTER);
  lv_obj_align(lblSeconds, lv_scr_act(), LV_ALIGN_CENTER, POS_X_SECONDS, POS_Y_TEXT);

  lblampm = lv_label_create(lv_scr_act(), nullptr);
  lv_obj_set_style_local_text_font(lblampm, LV_LABEL_PART_MAIN, LV_STATE_DEFAULT, &jetbrains_mono_bold_20);
  lv_label_set_text_static(lblampm, "  ");
  lv_label_set_align(lblampm, LV_LABEL_ALIGN_CENTER);
  lv_obj_align(lblampm, lv_scr_act(), LV_ALIGN_CENTER, POS_X_SECONDS, POS_Y_PLUS);

  btnHoursPlus = lv_btn_create(lv_scr_act(), nullptr);
  btnHoursPlus->user_data = this;
  lv_obj_set_size(btnHoursPlus, 50, 40);
  lv_obj_align(btnHoursPlus, lv_scr_act(), LV_ALIGN_CENTER, -72, -50);
  lv_obj_set_style_local_value_str(btnHoursPlus, LV_BTN_PART_MAIN, LV_STATE_DEFAULT, "+");
  lv_obj_set_event_cb(btnHoursPlus, event_handler);

  btnHoursMinus = lv_btn_create(lv_scr_act(), nullptr);
  btnHoursMinus->user_data = this;
  lv_obj_set_size(btnHoursMinus, 50, 40);
  lv_obj_align(btnHoursMinus, lv_scr_act(), LV_ALIGN_CENTER, -72, 40);
  lv_obj_set_style_local_value_str(btnHoursMinus, LV_BTN_PART_MAIN, LV_STATE_DEFAULT, "-");
  lv_obj_set_event_cb(btnHoursMinus, event_handler);

  btnMinutesPlus = lv_btn_create(lv_scr_act(), nullptr);
  btnMinutesPlus->user_data = this;
  lv_obj_set_size(btnMinutesPlus, 50, 40);
  lv_obj_align(btnMinutesPlus, lv_scr_act(), LV_ALIGN_CENTER, 0, -50);
  lv_obj_set_style_local_value_str(btnMinutesPlus, LV_BTN_PART_MAIN, LV_STATE_DEFAULT, "+");
  lv_obj_set_event_cb(btnMinutesPlus, event_handler);

  btnMinutesMinus = lv_btn_create(lv_scr_act(), nullptr);
  btnMinutesMinus->user_data = this;
  lv_obj_set_size(btnMinutesMinus, 50, 40);
  lv_obj_align(btnMinutesMinus, lv_scr_act(), LV_ALIGN_CENTER, 0, 40);
  lv_obj_set_style_local_value_str(btnMinutesMinus, LV_BTN_PART_MAIN, LV_STATE_DEFAULT, "-");
  lv_obj_set_event_cb(btnMinutesMinus, event_handler);

  btnSetTime = lv_btn_create(lv_scr_act(), nullptr);
  btnSetTime->user_data = this;
  lv_obj_set_size(btnSetTime, 120, 48);
  lv_obj_align(btnSetTime, lv_scr_act(), LV_ALIGN_IN_BOTTOM_MID, 0, 0);
  lv_obj_set_style_local_value_str(btnSetTime, LV_BTN_PART_MAIN, LV_STATE_DEFAULT, "Set");
  lv_obj_set_event_cb(btnSetTime, event_handler);

  SetHourLabels();
}

SettingSetTime::~SettingSetTime() {
  lv_obj_clean(lv_scr_act());
}

void SettingSetTime::SetHourLabels() {
  if (settingsController.GetClockType() == Controllers::Settings::ClockType::H12) {
    switch (hoursValue) {
      case 0:
        lv_label_set_text_static(lblHours, "12");
        lv_label_set_text_static(lblampm, "AM");
        break;
      case 1 ... 11:
        lv_label_set_text_fmt(lblHours, "%02d", hoursValue);
        lv_label_set_text_static(lblampm, "AM");
        break;
      case 12:
        lv_label_set_text_static(lblHours, "12");
        lv_label_set_text_static(lblampm, "PM");
        break;
      case 13 ... 23:
        lv_label_set_text_fmt(lblHours, "%02d", hoursValue - 12);
        lv_label_set_text_static(lblampm, "PM");
        break;
    }
  } else {
    lv_label_set_text_fmt(lblHours, "%02d", hoursValue);
  }
}

void SettingSetTime::HandleButtonPress(lv_obj_t* object, lv_event_t event) {
  if (event != LV_EVENT_CLICKED)
    return;

  if (object == btnHoursPlus) {
    hoursValue++;
    if (hoursValue > 23) {
      hoursValue = 0;
    }
    SetHourLabels();
    lv_btn_set_state(btnSetTime, LV_BTN_STATE_RELEASED);
  } else if (object == btnHoursMinus) {
    hoursValue--;
    if (hoursValue < 0) {
      hoursValue = 23;
    }
    SetHourLabels();
    lv_btn_set_state(btnSetTime, LV_BTN_STATE_RELEASED);
  } else if (object == btnMinutesPlus) {
    minutesValue++;
    if (minutesValue > 59) {
      minutesValue = 0;
    }
    lv_label_set_text_fmt(lblMinutes, "%02d", minutesValue);
    lv_btn_set_state(btnSetTime, LV_BTN_STATE_RELEASED);
  } else if (object == btnMinutesMinus) {
    minutesValue--;
    if (minutesValue < 0) {
      minutesValue = 59;
    }
    lv_label_set_text_fmt(lblMinutes, "%02d", minutesValue);
    lv_btn_set_state(btnSetTime, LV_BTN_STATE_RELEASED);
  } else if (object == btnSetTime) {
    NRF_LOG_INFO("Setting time (manually) to %02d:%02d:00", hoursValue, minutesValue);
    dateTimeController.SetTime(dateTimeController.Year(),
                               static_cast<uint8_t>(dateTimeController.Month()),
                               dateTimeController.Day(),
                               static_cast<uint8_t>(dateTimeController.DayOfWeek()),
                               static_cast<uint8_t>(hoursValue),
                               static_cast<uint8_t>(minutesValue),
                               0,
                               nrf_rtc_counter_get(portNRF_RTC_REG));
    lv_btn_set_state(btnSetTime, LV_BTN_STATE_DISABLED);
  }
}
