#include <WiFi.h>
#include <HTTPClient.h>
#include <ArduinoJson.h>
const char* ssid = "Wokwi-GUEST";
const char* password = "";

const String baseUrl = "https://zeedzero-hardware.herokuapp.com/";
const String userId = "6410546181"; 

#define led 5
#define ldr 34
#define button 27

void Connect_Wifi();

void GET_time(){
  DynamicJsonDocument doc(2048);
  HTTPClient http;
  http.begin(baseUrl);

  int httpResponseCode = http.GET();
  if (httpResponseCode > 0) {
    Serial.print("HTTP ");
    Serial.println(httpResponseCode);
    String payload = http.getString();
    deserializeJson(doc,payload);

    Serial.println();
    Serial.println((const char*)doc["time"]);
  }
  else {
    Serial.print("Error code: ");
    Serial.println(httpResponseCode);
    Serial.println(":-(");
  }
}
void POST_userId(){
  const String url = baseUrl + "users/" + userId;
  HTTPClient http;
  http.begin(url);
  int httpResponseCode = http.POST(url);
   if (httpResponseCode > 0) {
    Serial.print("HTTP ");
    Serial.println(httpResponseCode);
    String payload = http.getString();
    Serial.println();
    Serial.println(payload);
  }
  else {
    Serial.print("Error code: ");
    Serial.println(httpResponseCode);
    Serial.println(":-(");
  }
}

void PUT_update(int led_v,int button_v,int ldr_v){
  const String url = baseUrl + "users/" + userId + "/update";
  String json;
  HTTPClient http;
  http.begin(url);
  http.addHeader("Content-Type","application/json");

  DynamicJsonDocument doc(2048);
  doc["led"] = led_v;
  doc["button"] = button_v;
  doc["ldr"] = ldr_v;
  serializeJson(doc,json);
  Serial.println(json);

  
  int httpResponseCode = http.PUT(json);
   if (httpResponseCode > 0) {
    Serial.print("HTTP ");
    Serial.println(httpResponseCode);
    String payload = http.getString();
    Serial.println();
    Serial.println(payload);
  }
  else {
    Serial.print("Error code: ");
    Serial.println(httpResponseCode);
    Serial.println(":-(");
  }
}

void GET_userId(){
  const String url = baseUrl + "users/" + userId;
  HTTPClient http;
  http.begin(url);
  int httpResponseCode = http.GET();
   if (httpResponseCode > 0) {
    Serial.print("HTTP ");
    Serial.println(httpResponseCode);
    String payload = http.getString();
    Serial.println();
    Serial.println(payload);
  }
  else {
    Serial.print("Error code: ");
    Serial.println(httpResponseCode);
    Serial.println(":-(");
  }
}

void setup() {
  Serial.begin(115200);
  pinMode(led,OUTPUT);
  pinMode(ldr,INPUT);
  pinMode(button,INPUT_PULLUP);
  digitalWrite(led,HIGH);
  Connect_Wifi();
  delay(200);
  POST_userId();
  GET_time();
  PUT_update(!digitalRead(led),digitalRead(button),analogRead(ldr));
  GET_userId();
}

void loop() {
  PUT_update(!digitalRead(led),digitalRead(button),analogRead(ldr));
  digitalWrite(led,!digitalRead(led));
  delay(1000);
  /*
  digitalWrite(led,!digitalRead(led));
  Serial.print(analogRead(ldr));
  Serial.print(" ");
  Serial.println(digitalRead(button));
  delay(2000);
  */
}

void Connect_Wifi(){
  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 " + baseUrl + "... ");
  Serial.println();
}