#include <lvgl/lvgl.h>
#include "displayapp/screens/WatchFaceTerminal.h"
#include "displayapp/screens/BatteryIcon.h"
#include "components/battery/BatteryController.h"
#include "components/ble/BleController.h"
#include "components/ble/NotificationManager.h"
#include "components/heartrate/HeartRateController.h"
#include "components/motion/MotionController.h"
#include "components/settings/Settings.h"
#include "components/ble/SimpleWeatherService.h"
#include "displayapp/screens/WeatherSymbols.h"
#include "displayapp/InfiniTimeTheme.h"

using namespace Pinetime::Applications::Screens;

WatchFaceTerminal::WatchFaceTerminal(Controllers::DateTime& dateTimeController,
                                     const Controllers::Battery& batteryController,
                                     const Controllers::Ble& bleController,
                                     Controllers::NotificationManager& notificationManager,
                                     Controllers::Settings& settingsController,
                                     Controllers::HeartRateController& heartRateController,
                                     Controllers::MotionController& motionController,
                                     Controllers::SimpleWeatherService& weatherService)
  : currentDateTime {{}},
    dateTimeController {dateTimeController},
    batteryController {batteryController},
    bleController {bleController},
    notificationManager {notificationManager},
    settingsController {settingsController},
    heartRateController {heartRateController},
    motionController {motionController},
    weatherService {weatherService} {

  container = lv_cont_create(lv_scr_act(), nullptr);
  lv_cont_set_layout(container, LV_LAYOUT_COLUMN_LEFT);
  lv_cont_set_fit(container, LV_FIT_TIGHT);
  lv_obj_set_style_local_pad_inner(container, LV_CONT_PART_MAIN, LV_STATE_DEFAULT, -3);
  lv_obj_set_style_local_bg_opa(container, LV_CONT_PART_MAIN, LV_STATE_DEFAULT, LV_OPA_TRANSP);

  notificationIcon = lv_label_create(container, nullptr);

  label_prompt_1 = lv_label_create(container, nullptr);
  lv_obj_set_style_local_text_color(label_prompt_1, LV_LABEL_PART_MAIN, LV_STATE_DEFAULT, Colors::lightGray);
  lv_label_set_text_static(label_prompt_1, "user@watch:~ $ now");

  label_time = lv_label_create(container, nullptr);
  lv_label_set_recolor(label_time, true);

  label_date = lv_label_create(container, nullptr);
  lv_label_set_recolor(label_date, true);

  batteryValue = lv_label_create(container, nullptr);
  lv_label_set_recolor(batteryValue, true);

  stepValue = lv_label_create(container, nullptr);
  lv_label_set_recolor(stepValue, true);
  lv_obj_set_style_local_text_color(stepValue, LV_LABEL_PART_MAIN, LV_STATE_DEFAULT, Colors::orange);

  heartbeatValue = lv_label_create(container, nullptr);
  lv_label_set_recolor(heartbeatValue, true);

  weather = lv_label_create(container, nullptr);
  lv_label_set_recolor(weather, true);

  connectState = lv_label_create(container, nullptr);
  lv_label_set_recolor(connectState, true);

  label_prompt_2 = lv_label_create(container, nullptr);
  lv_obj_set_style_local_text_color(label_prompt_2, LV_LABEL_PART_MAIN, LV_STATE_DEFAULT, Colors::lightGray);
  lv_label_set_text_static(label_prompt_2, "user@watch:~ $");

  lv_obj_align(container, nullptr, LV_ALIGN_IN_TOP_LEFT, 0, 7);

  taskRefresh = lv_task_create(RefreshTaskCallback, LV_DISP_DEF_REFR_PERIOD, LV_TASK_PRIO_MID, this);
  Refresh();
}

WatchFaceTerminal::~WatchFaceTerminal() {
  lv_task_del(taskRefresh);
  lv_obj_clean(lv_scr_act());
}

void WatchFaceTerminal::Refresh() {
  notificationState = notificationManager.AreNewNotificationsAvailable();
  if (notificationState.IsUpdated()) {
    if (notificationState.Get()) {
      lv_label_set_text_static(notificationIcon, "[1]+ Notify");
    } else {
      lv_label_set_text_static(notificationIcon, "");
    }
  }

  currentDateTime = std::chrono::time_point_cast<std::chrono::seconds>(dateTimeController.CurrentDateTime());
  if (currentDateTime.IsUpdated()) {
    uint8_t hour = dateTimeController.Hours();
    uint8_t minute = dateTimeController.Minutes();
    uint8_t second = dateTimeController.Seconds();

    if (settingsController.GetClockType() == Controllers::Settings::ClockType::H12) {
      char ampmChar[3] = "AM";
      if (hour == 0) {
        hour = 12;
      } else if (hour == 12) {
        ampmChar[0] = 'P';
      } else if (hour > 12) {
        hour = hour - 12;
        ampmChar[0] = 'P';
      }
      lv_label_set_text_fmt(label_time, "#ffffff [TIME]# #11cc55 %02d:%02d:%02d %s#", hour, minute, second, ampmChar);
    } else {
      lv_label_set_text_fmt(label_time, "#ffffff [TIME]# #11cc55 %02d:%02d:%02d#", hour, minute, second);
    }

    currentDate = std::chrono::time_point_cast<std::chrono::days>(currentDateTime.Get());
    if (currentDate.IsUpdated()) {
      uint16_t year = dateTimeController.Year();
      Controllers::DateTime::Months month = dateTimeController.Month();
      uint8_t day = dateTimeController.Day();
      lv_label_set_text_fmt(label_date, "#ffffff [DATE]# #007fff %04d-%02d-%02d#", short(year), char(month), char(day));
    }
  }

  powerPresent = batteryController.IsPowerPresent();
  batteryPercentRemaining = batteryController.PercentRemaining();
  if (batteryPercentRemaining.IsUpdated() || powerPresent.IsUpdated()) {
    // HSV color model has red at 0° and green at 120°.
    // We lock satuation and brightness at 100% and traverse the cilinder
    // between red and green, thus avoiding the darker RGB on medium battery
    // charges and giving us a much nicer color range.
    uint8_t hue = batteryPercentRemaining.Get() * 120 / 100;
    lv_obj_set_style_local_text_color(batteryValue, LV_LABEL_PART_MAIN, LV_STATE_DEFAULT, lv_color_hsv_to_rgb(hue, 100, 100));
    lv_label_set_text_fmt(batteryValue, "#ffffff [BATT]# %d%%", batteryPercentRemaining.Get());
    if (batteryController.IsCharging()) {
      lv_label_ins_text(batteryValue, LV_LABEL_POS_LAST, " Charging");
    }
  }

  stepCount = motionController.NbSteps();
  if (stepCount.IsUpdated()) {
    lv_label_set_text_fmt(stepValue, "#ffffff [STEP]# %lu steps", stepCount.Get());
  }

  heartbeat = heartRateController.HeartRate();
  heartbeatRunning = heartRateController.State() != Controllers::HeartRateController::States::Stopped;
  if (heartbeat.IsUpdated() || heartbeatRunning.IsUpdated()) {
    if (heartbeatRunning.Get()) {
      lv_obj_set_style_local_text_color(heartbeatValue, LV_LABEL_PART_MAIN, LV_STATE_DEFAULT, Colors::deepOrange);
      lv_label_set_text_fmt(heartbeatValue, "#ffffff [L_HR]# %d bpm", heartbeat.Get());
    } else {
      lv_label_set_text_static(heartbeatValue, "#ffffff [L_HR]# ---");
      lv_obj_set_style_local_text_color(heartbeatValue, LV_LABEL_PART_MAIN, LV_STATE_DEFAULT, Colors::gray);
    }
  }

  currentWeather = weatherService.Current();
  if (currentWeather.IsUpdated()) {
    auto optCurrentWeather = currentWeather.Get();
    if (optCurrentWeather) {
      int16_t temp = optCurrentWeather->temperature.Celsius();
      char tempUnit = 'C';
      if (settingsController.GetWeatherFormat() == Controllers::Settings::WeatherFormat::Imperial) {
        temp = optCurrentWeather->temperature.Fahrenheit();
        tempUnit = 'F';
      }
      lv_label_set_text_fmt(weather,
                            "#ffffff [WTHR]# #ffdd00 %d°%c %s#",
                            temp,
                            tempUnit,
                            Symbols::GetSimpleCondition(optCurrentWeather->iconId));
    } else {
      lv_label_set_text(weather, "#ffffff [WTHR]# #ffdd00 ---");
    }
  }

  bleState = bleController.IsConnected();
  bleRadioEnabled = bleController.IsRadioEnabled();
  if (bleState.IsUpdated() || bleRadioEnabled.IsUpdated()) {
    if (!bleRadioEnabled.Get()) {
      lv_label_set_text_static(connectState, "#ffffff [STAT]# Disabled");
      lv_obj_set_style_local_text_color(connectState, LV_LABEL_PART_MAIN, LV_STATE_DEFAULT, Colors::gray);
    } else {
      if (bleState.Get()) {
        lv_label_set_text_static(connectState, "#ffffff [STAT]# Connected");
        lv_obj_set_style_local_text_color(connectState, LV_LABEL_PART_MAIN, LV_STATE_DEFAULT, Colors::blue);
      } else {
        lv_label_set_text_static(connectState, "#ffffff [STAT]# Disconnected");
        lv_obj_set_style_local_text_color(connectState, LV_LABEL_PART_MAIN, LV_STATE_DEFAULT, Colors::gray);
      }
    }
  }
}