esp32_wokwi_notify02.cpp

#include <WiFi.h>
#include <HTTPClient.h>

#define SERVER_NAME "https://notify-api.line.me/api/notify"
#define TOKEN ""

WiFiClient client;
HTTPClient http;

void sendLineNotify (const char * msg) {
  String payload = "message=" + String (msg);
  int httpResponseCode = http.POST(payload);
  if (httpResponseCode > 0) {
    String response = http.getString();
    Serial.println(httpResponseCode);
    Serial.println(response);
  } else {
    Serial.print("Error sending msg. HTTP response code: ");
    Serial.println(httpResponseCode);
  }
}

void sendLineSticker (const char * msg, int pkgId, int stickerId) {
  String payload = "message=" + String (msg) + "&stickerPackageId=" + String(pkgId) + "&stickerId=" + String(stickerId);
  int httpResponseCode = http.POST(payload);
  if (httpResponseCode > 0) {
    String response = http.getString();
    Serial.println(httpResponseCode);
    Serial.println(response);
  } else {
    Serial.print("Error sending msg. HTTP response code: ");
    Serial.println(httpResponseCode);
  }
}

void sendLineImageURL (const char * msg, const char* imageUrl) {
  String payload = "message=" + String (msg) + "&imageThumbnail=" + imageUrl + "&imageFullsize=" + imageUrl;
  int httpResponseCode = http.POST(payload);
  if (httpResponseCode > 0) {
    String response = http.getString();
    Serial.println(httpResponseCode);
    Serial.println(response);
  } else {
    Serial.print("Error sending msg. HTTP response code: ");
    Serial.println(httpResponseCode);
  }
}


void setup() {
  // Serial connection
  Serial.begin(9600);
  Serial.print("Connecting to WiFi");
  
  // Wifi connection
  WiFi.begin("Wokwi-GUEST", "", 6);
  while (WiFi.status() != WL_CONNECTED) {
    delay(100);
    Serial.print(".");
  }
  Serial.println(" Connected!");

  // HTTP Request
  http.begin(SERVER_NAME);
  http.addHeader("Authorization", "Bearer " + String(TOKEN));
  http.addHeader("Content-type", "application/x-www-form-urlencoded");
  
  sendLineNotify("Hello world");
  sendLineSticker("Sticker", 3, 240);
  sendLineImageURL("TEST_IMG", "https://home.krai.io/wp-content/uploads/2019/08/cropped-logo_raikmitl-200x84.png");

}

void loop() {
  delay(100); // TODO: Build something amazing!
}