#include "AppCore.h"
#include "Logs.h"

#include "defines.h"
#include "Boiler.h"
#include "globals.h"
#include "HomeActivity.h"
#include "MenuItemActivity.h"
#include "LoaderActivity.h"

#define xstr(s) str(s)
#define str(s) #s

Button g_btnCancel(PIN_BTN_CANCEL);
Button g_btnOk(PIN_BTN_OK);
Button g_btnMinus(PIN_BTN_MINUS);
Button g_btnPlus(PIN_BTN_PLUS);
HibernateService g_hibernateService;
LiquidCrystal g_lcd{PIN_LCD_RS, PIN_LCD_ENABLE, PIN_LCD_D4, PIN_LCD_D5, PIN_LCD_D6, PIN_LCD_D7};
DigitalOutput g_lcdLed{PIN_LCD_LED};
DigitalOutput g_relay1{PIN_RELAY1};
DigitalOutput g_relay2{PIN_RELAY2};
OneWire g_oneWire{PIN_ONEWIRE};
DallasTemperature g_dallasTemperature{&g_oneWire};
TempInput g_tempInput1{0};
TempInput g_tempInput2{1};
BoilerTankService g_tankService1{&g_appState.tanks[0]};
BoilerTankService g_tankService2{&g_appState.tanks[1]};

AppCoreState g_appState{
        .tanks = {
                {
                        .mode = BoilerTankState::Auto,
                        .setting = 0,
                        .tempTrigger = TEMP_TRIGGER,
                        .input = &g_tempInput1,
                        .relay = &g_relay1
                },
                {
                        .mode = BoilerTankState::Auto,
                        .setting = 0,
                        .tempTrigger = TEMP_TRIGGER,
                        .input = &g_tempInput2,
                        .relay = &g_relay2
                }
        }
};
Storage g_storage;

LoaderActivity g_loaderActivity;
HomeActivity g_homeActivity;
BoilerTankMenuActivity g_menuWaterActivity(&g_homeActivity, &g_menuVersionActivity, &g_menuHeaterActivity, "Sanitaire",
                                           "", &g_appState.tanks[0]);
BoilerTankMenuActivity g_menuHeaterActivity(&g_homeActivity, &g_menuWaterActivity, &g_menuVersionActivity, "Chauffage",
                                            "", &g_appState.tanks[1]);
MenuItemActivity g_menuVersionActivity(&g_homeActivity, nullptr, &g_menuHeaterActivity, &g_menuWaterActivity, "Version",
                                       xstr(APP_CORE_VERSION) " - " xstr(APP_CORE_COMMIT));


int freeRam()
{
    extern int __heap_start, * __brkval;
    int v;
    return (int) &v - (__brkval == 0 ? (int) &__heap_start : (int) __brkval);
}

AppCore::AppCore()
        : m_currentActivity(nullptr)
{
}

void AppCore::begin()
{
    Serial.begin(9600);
    LOG_FN_BEGIN(1);

    LOG(1, "Free RAM: %i bytes", freeRam());

    g_btnCancel.begin();
    g_btnOk.begin();
    g_btnMinus.begin();
    g_btnPlus.begin();

    g_hibernateService.begin();

    g_lcd.begin(16, 2);
    byte sensorChar[8] = {
            B00100,
            B01010,
            B01010,
            B01010,
            B01010,
            B10001,
            B11111,
            B01110,
    };
    g_lcd.createChar(LCD_CHAR_SENSOR, sensorChar);

    g_lcdLed.begin();
    g_relay1.begin();
    g_relay2.begin();

    g_dallasTemperature.begin();
    g_dallasTemperature.setWaitForConversion(false);
    LOG(1, "Found %i sensors", g_dallasTemperature.getDeviceCount());

    g_tempInput1.begin();
    g_tempInput2.begin();

    g_tankService1.begin();
    g_tankService2.begin();

    setActivity(&g_loaderActivity);

    LOG_FN_END(1);
}

void AppCore::loop()
{
    LOG_FN_BEGIN(50);

    g_btnCancel.read();
    g_btnOk.read();
    g_btnMinus.read();
    g_btnPlus.read();

    g_tempInput1.loop();
    g_tempInput2.loop();

    g_tankService1.loop();
    g_tankService2.loop();

    g_hibernateService.loop();

    if (m_currentActivity)
    {
        m_currentActivity->loop();
    }

    LOG_FN_END(50);
}

void AppCore::setActivity(IActivity* activity)
{
    m_currentActivity = activity;
    m_currentActivity->begin();
}

IActivity* AppCore::getCurrentActivity() const
{
    return m_currentActivity;
}