#include <LiquidCrystal_I2C.h>
#include <Arduino.h>
#include <WiFi.h>
#include <HTTPClient.h>
#include <Keypad.h>
#include <freertos/FreeRTOS.h>
#include <freertos/task.h>

// Wifi
const char *SSID = "Wokwi-GUEST";
const char *pass = "";

// Ambil ip server
const char *host = "testprokoon.000webhostapp.com"; // Konek Kehosting

const int col = 16;
const int row = 2;

String Array;

LiquidCrystal_I2C lcd(0x27, col, row);

int Percobaan = 0;

const byte ROWS = 4; // four rows
const byte COLS = 4; // four columns

// define the cymbols on the buttons of the keypads
char hexaKeys[ROWS][COLS] = {
    {'1', '2', '3', 'A'},
    {'4', '5', '6', 'B'},
    {'7', '8', '9', 'C'},
    {'*', '0', '#', 'D'}};

#define lampu 2

byte rowPins[ROWS] = {32, 33, 25, 26};
byte colPins[COLS] = {27, 14, 12, 13};

//Pin pada device asli
// byte rowPins[ROWS] = {13,12,14,27}; //connect to the row pinouts of the keypad
// byte colPins[COLS] = {26,25,33,32}; //connect to the column pinouts of the keypad
 

// inisialisasi instansi keypad
Keypad customKeypad = Keypad(makeKeymap(hexaKeys), rowPins, colPins, ROWS, COLS);
int posisition = 6;

TaskHandle_t keypadLCD_TaskHandle;
TaskHandle_t httpTaskHandle;

// Deklarasi Hasil baca di database
String responseToken;

// Deklarasi Http
      String LinkToken;
      HTTPClient httpToken;

// Task Functions
void httpTask(void *parameter);
void keypadLCD_Task(void *parameter);
String baca_token();

void setup()
{
    Serial.begin(115200);
    lcd.init();
    lcd.backlight();
    pinMode(lampu, OUTPUT);

    WiFi.hostname("Konsep Token DB");
    WiFi.begin(SSID, pass);

    while (WiFi.status() != WL_CONNECTED)
    {
        // coba koneksi terus
        Serial.print(".");
        delay(500);
    }
    // apabila sudah terkoneksi
    Serial.println("Berhasil Konek");

    // Create Tasks
    xTaskCreate(httpTask, "httpTask", 10000, NULL, 1, &httpTaskHandle);
    xTaskCreate(keypadLCD_Task, "keypadLCD_Task", 10000, NULL, 2, &keypadLCD_TaskHandle);
}

void loop() {}

void httpTask(void *parameter)
{
    WiFiClient client;
    const int httpport = 80;

    for (;;)
    {
        if (!client.connect(host, httpport))
        {
            Serial.println("Gagal Koneksi ke Server");
            return;
        }

        Serial.println("Berhasil koneksi ke server");
        vTaskDelay(500/portTICK_PERIOD_MS); // Delay for 1 second

    }
}



String baca_token(){
        LinkToken = "http://" + String(host) + "/bacaToken.php";
        httpToken.begin(LinkToken);

        httpToken.GET();

        responseToken = httpToken.getString();
httpToken.end(); // Menutup koneksi HTTPClient
        return responseToken;

        

}

void keypadLCD_Task(void *parameter)
{
    for (;;)
    {
        char customKey = customKeypad.getKey();
          lcd.setCursor(2,0);
          lcd.print("MasukanToken");
        if (customKey){
          if (customKey != 'D' && customKey != '#'){ // agar huruf D dan # tidak masuk di lcd
            lcd.setCursor(posisition, 1);
            Array += customKey;
            lcd.print(customKey);
            posisition++;
            vTaskDelay(100);
            }

            if (customKey == '#'){ //enter
                // Array.remove(Array.length() - 1);
                posisition = 20;
                Percobaan++;
                Serial.print("Inputan [");
                Serial.print(Percobaan);
                Serial.print("] : ");
                Serial.println(Array);
                digitalWrite(LED_BUILTIN, HIGH);

                if (Array ==  baca_token())
                {
                    lcd.clear();
                    lcd.setCursor(3, 0);
                    lcd.print("Berhasil");
                    Array = "";
                    posisition = 6;
                    digitalWrite(lampu, HIGH);
                    vTaskDelay(1000);
                    
                }
                else
                {
                    lcd.clear();
                    lcd.setCursor(3, 0);
                    lcd.print("InputSalah");
                    Array = "";
                    posisition = 6;
                    digitalWrite(lampu, LOW);
                    vTaskDelay(1000);
                    
                  

                }

            } else if (customKey == 'D')
            {
                posisition = 6;
                lcd.clear();
                Array = "";
                digitalWrite(LED_BUILTIN, LOW);
            }
        }

    }
}