#include <WiFi.h>
#include <HTTPClient.h>
#include <WiFiClientSecure.h>
#include <ArduinoJson.h>
#include <esp_now.h>


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

const char* apiToken = "API_TOKEN";
const char* userToken = "USER_TOKEN";

const char* pushoverApiEndpoint = "https://api.pushover.net/1/messages.json";

const char *PUSHOVER_ROOT_CA = "-----BEGIN CERTIFICATE-----\n"
                 "MIIDrzCCApegAwIBAgIQCDvgVpBCRrGhdWrJWZHHSjANBgkqhkiG9w0BAQUFADBh\n"
                 "MQswCQYDVQQGEwJVUzEVMBMGA1UEChMMRGlnaUNlcnQgSW5jMRkwFwYDVQQLExB3\n"
                 "d3cuZGlnaWNlcnQuY29tMSAwHgYDVQQDExdEaWdpQ2VydCBHbG9iYWwgUm9vdCBD\n"
                 "QTAeFw0wNjExMTAwMDAwMDBaFw0zMTExMTAwMDAwMDBaMGExCzAJBgNVBAYTAlVT\n"
                 "MRUwEwYDVQQKEwxEaWdpQ2VydCBJbmMxGTAXBgNVBAsTEHd3dy5kaWdpY2VydC5j\n"
                 "b20xIDAeBgNVBAMTF0RpZ2lDZXJ0IEdsb2JhbCBSb290IENBMIIBIjANBgkqhkiG\n"
                 "9w0BAQEFAAOCAQ8AMIIBCgKCAQEA4jvhEXLeqKTTo1eqUKKPC3eQyaKl7hLOllsB\n"
                 "CSDMAZOnTjC3U/dDxGkAV53ijSLdhwZAAIEJzs4bg7/fzTtxRuLWZscFs3YnFo97\n"
                 "nh6Vfe63SKMI2tavegw5BmV/Sl0fvBf4q77uKNd0f3p4mVmFaG5cIzJLv07A6Fpt\n"
                 "43C/dxC//AH2hdmoRBBYMql1GNXRor5H4idq9Joz+EkIYIvUX7Q6hL+hqkpMfT7P\n"
                 "T19sdl6gSzeRntwi5m3OFBqOasv+zbMUZBfHWymeMr/y7vrTC0LUq7dBMtoM1O/4\n"
                 "gdW7jVg/tRvoSSiicNoxBN33shbyTApOB6jtSj1etX+jkMOvJwIDAQABo2MwYTAO\n"
                 "BgNVHQ8BAf8EBAMCAYYwDwYDVR0TAQH/BAUwAwEB/zAdBgNVHQ4EFgQUA95QNVbR\n"
                 "TLtm8KPiGxvDl7I90VUwHwYDVR0jBBgwFoAUA95QNVbRTLtm8KPiGxvDl7I90VUw\n"
                 "DQYJKoZIhvcNAQEFBQADggEBAMucN6pIExIK+t1EnE9SsPTfrgT1eXkIoyQY/Esr\n"
                 "hMAtudXH/vTBH1jLuG2cenTnmCmrEbXjcKChzUyImZOMkXDiqw8cvpOp/2PV5Adg\n"
                 "06O/nVsJ8dWO41P0jmP6P6fbtGbfYmbW0W5BjfIttep3Sp+dWOIrWcBAI+0tKIJF\n"
                 "PnlUkiaY4IBIqDfv8NZ5YBberOgOzW6sRBc4L0na4UU+Krk2U886UAb3LujEV0ls\n"
                 "YSEY1QSteDwsOoBrp+uvFRTp2InBuThs4pFsiv9kuXclVzDAGySj4dzp30d8tbQk\n"
                 "CAUw7C29C79Fv1C5qfPrmAESrciIxpg0X40KPMbp1ZWVbd4=\n"
                 "-----END CERTIFICATE-----\n";


typedef struct struct_message {
  int ID;
  int value;
}struct_message;

struct_message data;

struct_message sender1;
struct_message sender2;

struct_message boardsStruct[2] = {sender1, sender2};

void onDataRecv(const uint8_t * mac_addr, const uint8_t *incomingData, int len) {
  char macStr[18];
  Serial.print("Received from: ");
  snprintf(macStr, sizeof(macStr), "%02x:%02x:%02x:%02x:%02x:%02x",
           mac_addr[0], mac_addr[1], mac_addr[2], mac_addr[3], mac_addr[4], mac_addr[5]);
  Serial.println(macStr);
  memcpy(&data, incomingData, sizeof(data));
  Serial.printf("Board %u: %u bytes\n", data.ID, len);

  boardsStruct[data.ID-1].value = data.value;

  Serial.printf("Value: %d \n", boardsStruct[data.ID-1].value);
  Serial.println();
}

void setup() {
  Serial.begin(115200);

  WiFi.mode(WIFI_STA);
  
  WiFi.begin(ssid, password);

  while (WiFi.status() != WL_CONNECTED) {
    delay(1000);
    Serial.println(".");
  }
  Serial.println("Connected to WiFi");

  if (esp_now_init() != ESP_OK) {
    Serial.println("Error initializing ESP-NOW");
    return;
  }

  esp_now_register_recv_cb(onDataRecv);
}

void loop() {
  checkData(sender1.value);
  checkData(sender2.value);
}

void checkData(int value){
  if(value == HIGH){
    Serial.println("\nMotion has been detected");
    sendMessage("Motion has been detected");
  }
}

void sendMessage(char* message){
  if (WiFi.status() == WL_CONNECTED) {
    StaticJsonDocument<512> notification; 
    notification["token"] = apiToken; 
    notification["user"] = userToken; 
    notification["message"] = message; //required
    notification["title"] = "Motion sensors network";
    
    String jsonStringNotification;
    serializeJson(notification, jsonStringNotification);

    WiFiClientSecure client;
    client.setCACert(PUSHOVER_ROOT_CA);

    HTTPClient https;
    https.begin(client, pushoverApiEndpoint);
    https.addHeader("Content-Type", "application/json");
    int httpResponseCode = https.POST(jsonStringNotification);

    if (httpResponseCode > 0) {
      Serial.printf("HTTP response code: %d\n", httpResponseCode);
      String response = https.getString();
      Serial.println("Response:");
      Serial.println(response);
    } else {
      Serial.printf("HTTP response code: %d\n", httpResponseCode);
    }
    https.end();
  }
}