/*********
  https://circuits4you.com/2018/11/20/web-server-on-esp32-how-to-update-and-display-sensor-values/
*********/
// ----------------------------------------------------------------------------------------------------------------
// Webserver
// s. a.: https://lastminuteengineers.com/creating-esp32-web-server-arduino-ide/
// https://randomnerdtutorials.com/esp32-async-web-server-espasyncwebserver-library/

// https://github.com/me-no-dev/ESPAsyncWebServer ESPAsyncWebServer-master.zip
// Installieren über Sketch-Install ZIP Library ...
// NICHT die aus der IDE-Library nehmen!


// Load Wi-Fi library

#include <WiFi.h>
#include <WiFiClient.h>
//#include <WiFiClientSecure.h>

#include <HTTPClient.h>
#include <ESPAsyncWebServer.h>
#include <AsyncTCP.h>
#include <ArduinoJson.h>
#include <AsyncJson.h>
#include "webPageSource.h"


/**
 * VAR1 accessPointMode = true; ESP32 ist selber ein AccessPoint
 * VAR2 accessPointMode = false; Verbindung mit dem Heimnetz
 */
bool accessPointMode = false;

// VAR1 AccessPointMode
const char *ssid = SECRET_AP_SSID;
const char *password = SECRET_AP_PASSWD;
/* Put IP Address details */
IPAddress local_ip(192, 168, 3, 1);
IPAddress gateway(192, 168, 3, 1);
IPAddress subnet(255, 255, 255, 0);

// VAR2 Wifi-Client
const char *ssid2 = SECRET_SSID;
const char *password2 = SECRET_PASSWD;

// Set web server port number to 80
AsyncWebServer server(80);

// Current time
unsigned long currentTime = millis();
// Previous time
unsigned long previousTime = 0;
// Define timeout time in milliseconds (example: 2000ms = 2s)
const long timeoutTime = 2000;

JsonObject root;
void (*resetFunc)(void) = 0;  //declare reset function @ address 0

void setupSalatserver() {

  Serial.begin(9600);
  Serial.println();
  Serial.println("Booting Sketch...");
  if (accessPointMode == true) {
    // ESP32 as AccessPoint
    WiFi.softAP(ssid, password);
    WiFi.softAPConfig(local_ip, gateway, subnet);
    delay(100);
    Serial.println("Connecting to ");
    Serial.print(ssid);
  } else {

    // ESP32 connects to your wifi -----------------------------------
    WiFi.mode(WIFI_STA);  // Connect to your wifi

    WiFi.begin(ssid2, password2);
    // Wait for WiFi to connect
    while (WiFi.waitForConnectResult() != WL_CONNECTED) {
      Serial.print("waitForConnectResult...");
      //delay(3000);
    }

    // If connection successful show IP address in serial monitor
    Serial.println("");
    Serial.print("Connected to ");
    Serial.println(ssid2);
    Serial.print("IP address: ");
    Serial.println(WiFi.localIP());  // IP address assigned to your ESP
  }
  //----------------------------------------------------------------
  server.on("/", HTTP_GET, [](AsyncWebServerRequest *request) {
    int paramsNr = request->params();
   //Serial.println(paramsNr);

    String s = webPageSource;  // Read HTML contents
    if (paramsNr <= 0) {
      request->send(200, "text/html", s);
    } else {
      for (int i = 0; i < paramsNr; i++) {
        AsyncWebParameter const *p = request->getParam(i);
        //Serial.print("Param name: ");
        //Serial.println(p->name());
        //Serial.print("Param value: ");
        //Serial.println(p->value());
        //Serial.println("------");
      }
      if (request->hasParam("waterNow")) {
        buttonsWaterNow();
        Serial.println("Webserver: waterNow");
        //request->send(200, "text/plain", "waterNow received");
        request->send(200, "text/html", s);
      } else if (request->hasParam("resetAll")) {
        Serial.println("Webserver: resetAll");
        buttonsResetAll();
        //request->send(200, "text/plain", "resetAll received");
        request->send(200, "text/html", s);
      } else if (request->hasParam("waterLess")) {
        buttonsWaterLess();
        Serial.println("Webserver: waterLess");
        //request->send(200, "text/plain", "waterLess received");
        request->send(200, "text/html", s);
      } else if (request->hasParam("waterMore")) {
        buttonsWaterMore();
        Serial.println("Webserver: waterMore");
        request->send(200, "text/html", s);
        //request->send(200, "text/plain", "waterMore received");
      } else if (request->hasParam("intLess")) {
        buttonsIntLess();
        Serial.println("Webserver: intLess");
        request->send(200, "text/html", s);
        //        request->send(200, "text/plain", "intLess received");
      } else if (request->hasParam("intMore")) {
        buttonsIntMore();
        Serial.println("Webserver: intMore");
        request->send(200, "text/html", s);
        // request->send(200, "text/plain", "intMore received");
      } else if (request->hasParam("readData")) {

        AsyncJsonResponse *response = new AsyncJsonResponse();
        response->addHeader("Server", "ESP Async Web Server");
        root = response->getRoot();
        root["version"] = version;
        root["uptime"] = uptime;
        root["trigger"] = trigger;
        root["duration_interval"] = duration_interval;
        root["dry_time_left"] = dry_time_left;
        root["max_water"] = max_water;
        root["wet_time_left"] = wet_time_left;
        root["dry_since"] = dry_since;
        root["min_moisture"] = minMoisture;
        root["sensor_moisture_value"] = sensor_moisture_value;
        root["temp0"] = tempSensor[0];
        root["message"] = message;
        response->setLength();
        request->send(response);  // request->send(200, "text/plain", "data");  //Send value only to client ajax request


      } else if (request->hasParam("resetArduino")) {
        resetFunc();
      }
    };
  });
  server.begin();
}
void loopSalatserver() {
}