#pragma once
#include <WebServer.h>
#include <Update.h>
#include "html.h"
#include "dht22.h"
#include "ota.h"

WebServer server(80);

void setupServidor() {
  // 1. Dashboard principal con gráficos y OTA (especificando charset=utf-8)
  server.on("/", HTTP_GET, []() {
    server.send(200, "text/html; charset=utf-8", htmlDashboard);
  });

  // 2. Endpoint JSON para actualizar los gráficos en tiempo real
  server.on("/datos", HTTP_GET, []() {
    String json = "{\"temp\":" + String(temperaturaFloat, 2) + ",\"hum\":" + String(humedadFloat, 2) + ",\"temperatura\":" + String(temperaturaFloat, 2) + ",\"humedad\":" + String(humedadFloat, 2) + "}";
    server.send(200, "application/json; charset=utf-8", json);
  });

  // 3. Endpoint de hostname
  server.on("/wifi-name", HTTP_GET, []() {
    server.send(200, "text/plain; charset=utf-8", WiFi.getHostname());
  });

  // 4. Reset del ESP32
  server.on("/reset", HTTP_POST, []() {
    server.send(200, "text/plain; charset=utf-8", "Reiniciando ESP32...");
    delay(500);
    ESP.restart();
  });

  // 5. Reset del portal cautivo
  server.on("/resetportal", HTTP_POST, []() {
    server.send(200, "text/plain; charset=utf-8", "Reiniciando portal...");
    digitalWrite(pinDos, HIGH);
    mostrarOled("", "Reseteando WiFi...", "", "");
    delay(500);
    wm.resetSettings();
    ESP.restart();
  });

  // 6. Activar actualización remota por URL
  server.on("/update-url", HTTP_POST, []() {
    server.send(200, "text/plain; charset=utf-8", "Iniciando descarga remota...");
    pinMode(pinDos, OUTPUT);
    digitalWrite(pinDos, HIGH); // Encender LED pin GPIO 2 al activar OTA remota
    pendienteActualizarURL = true; // Se procesará en loopOTA()
  });

  // 7. Actualización OTA DIRECTA (.bin) desde el navegador
  server.on("/update", HTTP_POST, []() {
    server.sendHeader("Connection", "close");
    server.send(200, "text/plain; charset=utf-8", (Update.hasError()) ? "FAIL" : "OK");
    if (!Update.hasError()) {
      pinMode(pinDos, OUTPUT);
      digitalWrite(pinDos, HIGH); // Mantener LED GPIO 2 encendido
      delay(300);
      ESP.restart();
    }
  }, []() {
    HTTPUpload& upload = server.upload();
    if (upload.status == UPLOAD_FILE_START) {
      Serial.printf("Iniciando subida OTA: %s\n", upload.filename.c_str());
      pinMode(pinDos, OUTPUT);
      digitalWrite(pinDos, HIGH); // Encender LED GPIO 2 durante OTA
      mostrarOled("OTA en curso...", "Subiendo .bin", "Espere...", "");
      if (!Update.begin(UPDATE_SIZE_UNKNOWN)) {
        Update.printError(Serial);
      }
    } else if (upload.status == UPLOAD_FILE_WRITE) {
      if (Update.write(upload.buf, upload.currentSize) != upload.currentSize) {
        Update.printError(Serial);
      }
    } else if (upload.status == UPLOAD_FILE_END) {
      if (Update.end(true)) {
        Serial.printf("OTA finalizada correctamente: %u bytes\n", upload.totalSize);
        pinMode(pinDos, OUTPUT);
        digitalWrite(pinDos, HIGH); // Mantener LED GPIO 2 encendido
        mostrarOled("OTA Completa", "Reiniciando...", "", "");
      } else {
        Update.printError(Serial);
        mostrarOled("Error OTA", "Fallo al grabar", "", "");
      }
    }
  });

  server.begin();
  Serial.println("Servidor Web (Dashboard y OTA) iniciado en el puerto 80.");
}

void loopServidor() {
  server.handleClient();
}