#include "Arduino.h"
#include "ArduinoJson.h"
#include <WiFi.h>
#include <HTTPClient.h>
#include "SPI.h"
#include "Adafruit_GFX.h"
#include "Adafruit_ILI9341.h"

#define TFT_DC 0
#define TFT_CS 2
Adafruit_ILI9341 tft = Adafruit_ILI9341(TFT_CS, TFT_DC);

const char* ssid = "Wokwi-GUEST";
const char* password = "";

String payload;

String room = "E-201";

const String url = "https://raumzeit.hka-iwi.de/api/v1/timetables/room/" + room + "?reload=t";
// const String url = "http://example.org/";

void parseData(String json) {
  // Example JSON data
  // const char* jsonStr = "[{\"name\":\"A\",\"longName\":\"Architektur\",\"facultyName\":\"AB\",\"master\":false},{\"name\":\"ARTB\",\"longName\":\"Architektur (B)\",\"facultyName\":\"AB\",\"master\":false}]";

  // Parse JSON
  // Stream& input;

    Serial.println(json);
    // Serial.println(master);
    Serial.println();
  
}

void setup() {
    tft.begin();

  tft.setCursor(20, 120);
  tft.setTextColor(ILI9341_RED);
  tft.setTextSize(3);
  tft.println("Hello ESP32");

  tft.setCursor(24, 160);
  tft.setTextColor(ILI9341_GREEN);
  tft.setTextSize(2);
  tft.println("I can do SPI :-)");

  Serial.begin(115200);
  WiFi.begin(ssid, password);

  Serial.print("Connecting to WiFi");
  while (WiFi.status() != WL_CONNECTED) {
    delay(500);
    Serial.print(".");
  }

  Serial.print("OK! IP=");
  Serial.println(WiFi.localIP());

  Serial.print("Fetching " + url + "... ");

  HTTPClient http;
  http.begin(url);
  http.addHeader("X-API-Key","ghu438$Q#BJ!");

  int httpResponseCode = http.GET();
  if (httpResponseCode > 0) {
    Serial.print("HTTP ");
    Serial.println(httpResponseCode);
    payload = http.getString();
    Serial.println();
    Serial.println(payload);
  }
  else {
    Serial.print("Error code: ");
    Serial.println(httpResponseCode);
    Serial.println(":-(");
  }
  // Parse JSON data
  parseData(payload);
}

void loop() {
  delay(10);
}