#include <WiFi.h>
#include <HTTPClient.h>
#include <WiFiClientSecure.h>
String sensorReadings ; //收網頁的變數
int commaPosition;//存儲還沒有分離出來的字符串

const char* serverName = "https://www.cwb.gov.tw/V8/C/E/MOD/MAP_LIST.html?T=2022101001-3";//網址
// const char* serverName = "https://dataverse.harvard.edu/api/datasets/6443747/";//網址
// const char* serverName = "https://dl.espressif.com/dl/package_esp32_index.json";//網址


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

WiFiClientSecure client;
// WiFiClient client;
HTTPClient http;

// www.howsmyssl.com root certificate authority, to verify the server
// change it to your server root CA
// SHA1 fingerprint is broken now!

const static char* HARVARD_ROOT_CA_RSA_SHA1 = \
    "-----BEGIN CERTIFICATE-----\n" \
    "MIIFsDCCA5igAwIBAgIQFci9ZUdcr7iXAF7kBtK8nTANBgkqhkiG9w0BAQUFADBe\n" \
    "MQswCQYDVQQGEwJUVzEjMCEGA1UECgwaQ2h1bmdod2EgVGVsZWNvbSBDby4sIEx0\n" \
    "ZC4xKjAoBgNVBAsMIWVQS0kgUm9vdCBDZXJ0aWZpY2F0aW9uIEF1dGhvcml0eTAe\n" \
    "Fw0wNDEyMjAwMjMxMjdaFw0zNDEyMjAwMjMxMjdaMF4xCzAJBgNVBAYTAlRXMSMw\n" \
    "IQYDVQQKDBpDaHVuZ2h3YSBUZWxlY29tIENvLiwgTHRkLjEqMCgGA1UECwwhZVBL\n" \
    "SSBSb290IENlcnRpZmljYXRpb24gQXV0aG9yaXR5MIICIjANBgkqhkiG9w0BAQEF\n" \
    "AAOCAg8AMIICCgKCAgEA4SUP7o3biDN1Z82tH306Tm2d0y8U82N0ywEhajfqhFAH\n" \
    "SyZbCUNsIZ5qyNUD9WBpj8zwIuQf5/dqIjG3LBXy4P4AakP/h2XGtRrBp0xtInAh\n" \
    "ijHyl3SJCRImHJ7K2RKilTza6We/CKBk49ZCt0Xvl/T29de1ShUCWH2YWEtgvM3X\n" \
    "DZoTM1PRYfl61dd4s5oz9wCGzh1NlDivqOx4UXCKXBCDUSH3ET00hl7lSM2XgYI1\n" \
    "TBnsZfZrxQWh7kcT1rMhJ5QQCtkkO7q+RBNGMD+XPNjX12ruOzjjK9SXDrkb5wdJ\n" \
    "fzcq+Xd4z1TtW0ado4AOkUPB1ltfFLqfpo0kR0BZv3I4sjZsN/+Z0V0OWQqraffA\n" \
    "sgRFelQArr5T9rXn4fg8ozHSqf4hUmTFpmfwdQcGlBSBVcYn5AGPF8Fqcde+S/uU\n" \
    "WH1+ETOxQvdibBjWzwloPn9s9h6PYq2lY9sJpx8iQkEeb5mKPtf5P0B6ebClAZLS\n" \
    "nT0IFaUQAS2zMnaolQ2zepr7BxB4EW/hj8e6DyUadCrlHJhBmd8hh+iVBmoKs2pH\n" \
    "dmX2Os+PYhcZewoozRrSgx4hxyy/vv9haLdnG7t4TY3OZ+XkwY63I2binZB1NJip\n" \
    "NiuKmpS5nezMirH4JYlcWrYvjB9teSSnUmjDhDXiZo1jDiVN1Rmy5nk3pyKdVDEC\n" \
    "AwEAAaNqMGgwHQYDVR0OBBYEFB4M97Zn8uGSJglFwFU5Lnc/QkqiMAwGA1UdEwQF\n" \
    "MAMBAf8wOQYEZyoHAAQxMC8wLQIBADAJBgUrDgMCGgUAMAcGBWcqAwAABBRFsMLH\n" \
    "ClZ87lt4DJX5GFPBphzYEDANBgkqhkiG9w0BAQUFAAOCAgEACbODU1kBPpVJufGB\n" \
    "uvl2ICO1J2B01GqZNF5sAFPZn/KmsSQHRGoqxqWOeBLoR9lYGxMqXnmbnwoqZ6Yl\n" \
    "PwZpVnPDimZI+ymBV3QGypzqKOg4ZyYr8dW1P2WT+DZdjo2NQCCHGervJ8A9tDkP\n" \
    "JXtoUHRVnAxZfVo9QZQlUgjgRywVMRnVvwdVxrsStZf0X4OFunHB2WyBEXYKCrC/\n" \
    "gpf36j36+uwtqSiUO1bd0lEursC9CBWMd1I0ltabrNMdjmEPNXubrjlpC2JgQCA2\n" \
    "j6/7Nu4tCEoduL+bXPjqpRugc6bY+G7gMwRfaKonh+3ZwZCc7b3jajWvY9+rGNm6\n" \
    "5ulK6lCKD2GTHuItGeIwlDWSXQ62B68ZgI9HkFFLLk3dheLSClIKF5r8GrBQAuUB\n" \
    "o2M3IUxExJtRmREOc5wGj1QupyheRDmHVi03vYVElOEMSyycw5KFNGHLD7ibSkNS\n" \
    "/jQ6fbjpKdx2qcgw+BRxgMYeNkh0IkFch4LoGHGLQYlE535YW6i4jRPpp2zDR+2z\n" \
    "Gp1iro2C6pSe3VkQw63d4k3jMdXH7OjysP6SHhYKGvzZ8/gntsm+HbRsZJB/9OTE\n" \
    "W9c3rkIO3aQab3yIVMUWbuF6aC74Or8NpDyJO3inTmODBCEIZ43ygknQW/2xzQ+D\n" \
    "hNQ+IIX3Sj0rnP0qCglN6oH4EZw=\n" \
    "-----END CERTIFICATE-----\n";




// You can use x.509 client certificates if you want
//const char* test_client_key = "";   //to verify the client
//const char* test_client_cert = "";  //to verify the client


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



  WiFi.begin("Wokwi-GUEST", "", 6);
  while (WiFi.status() != WL_CONNECTED) {
    delay(100);
    Serial.print(".");
  }

  Serial.println("");
  // Serial.println("WiFi connected");
  // Serial.print("IP address: ");
  // Serial.println(WiFi.localIP());

  if (WiFi.status() == WL_CONNECTED) {

    sensorReadings = httpPOSTRequest(serverName);
    sensorReadings.replace("<span aria-hidden=\"true\">184</span>", "");
    sensorReadings.replace("<span aria-hidden=\"true\">183</span>", "");
    sensorReadings.replace("</a>", ";");
    Serial.println(sensorReadings);//顯示字串</a>取代;後的內容

    String  message = sensorReadings;
    do
    {
      commaPosition = message.indexOf(';');//檢測字符串中的逗號
      if (commaPosition != -1) //如果有逗號存在就向下執行
      {
        int idx1 = message.indexOf("模");
        String scaleA = message.substring(idx1 + 3, commaPosition);
        Serial.println(scaleA); //打印出第一個逗號位置的字符串
        message = message.substring(commaPosition + 1, message.length()); //打印字符串，從當前位置+1開始
      }
      else
      { //找到最後一個逗號，如果後面還有文字，就打印出來
        if (message.length() > 0)
          Serial.println(message);
      }
    }
    while (commaPosition >= 0);
  }

}

void loop() {

}

String httpPOSTRequest(const char* serverName) {

  client.setCACert(HARVARD_ROOT_CA_RSA_SHA1);//設置使用網站根證書驗證
  // 您的域名和 URL 路徑或 IP 地址和路徑
  http.begin(client, serverName);

  // 指定內容類型標頭
  http.addHeader("Content-Type", "text/plain");
  // 使用 HTTP POST 發送的數據
  // String httpRequestData = "keyword=" + receivedString;
  // 發送 HTTP POST 請求
  // int httpResponseCode = http.POST(httpRequestData);
  // 發送 HTTP GET 請求
  int httpResponseCode = http.GET();

  String payload = "";

  if (httpResponseCode > 0) {
    // Serial.print("HTTP 響應代碼： ");
    // Serial.println(httpResponseCode);
    payload = http.getString();
  }
  else {
    Serial.print("錯誤代碼： ");
    Serial.println(httpResponseCode);
  }
  // 結束當前連接
  http.end();
  return payload;
}