From 04999e8c5558008d1fc2e5cb857626c82a077599 Mon Sep 17 00:00:00 2001
From: Francisco Solis <30329003+Im-Fran@users.noreply.github.com>
Date: Tue, 30 Apr 2024 18:09:23 -0400
Subject: [PATCH] Create sketch_apr29a.ino

---
 sketch_apr29a.ino | 121 ++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 121 insertions(+)
 create mode 100644 sketch_apr29a.ino

diff --git a/sketch_apr29a.ino b/sketch_apr29a.ino
new file mode 100644
index 0000000..f8ced7a
--- /dev/null
+++ b/sketch_apr29a.ino
@@ -0,0 +1,121 @@
+#include <ESP8266WiFi.h>
+#include <SPI.h>
+#include <MFRC522.h>
+#include <ESP8266HTTPClient.h>
+#include <WiFiClientSecureBearSSL.h>
+#include <ArduinoJson.h>
+
+#define SS_PIN 2  // SDA pin connected to D4
+#define RST_PIN 0 // RST pin connected to D3
+
+MFRC522 mfrc522(SS_PIN, RST_PIN); // Create MFRC522 instance
+
+const char *ssid = "";
+const char *password = "";
+
+void setup() {
+  Serial.begin(115200);
+  Serial.println("");
+  Serial.print("Conectandose al Wi-Fi ");
+  WiFi.mode(WIFI_STA);
+  WiFi.begin(ssid, password);
+  while (WiFi.status() != WL_CONNECTED) {
+    delay(500);
+    Serial.print(".");
+  }
+  
+  Serial.println("");
+  Serial.print("Conectado con la IP: ");
+  Serial.println(WiFi.localIP());
+  SPI.begin();        // Init SPI bus
+  mfrc522.PCD_Init(); // Init MFRC522
+
+  Serial.println("RFID-RC522 inicializado.");
+}
+
+void loop() {
+  // Look for new cards
+  if (mfrc522.PICC_IsNewCardPresent() && mfrc522.PICC_ReadCardSerial()) {
+    Serial.println("NFC tag detectado!");
+
+    // Get NFC tag UID
+    String tagUID = getTagUID();
+
+    // Connect to the server and send the UID
+    if (tagUID != "") {
+      if (sendTagUID(tagUID)) {
+        Serial.println("Tag UID enviado correctamente.");
+      } else {
+        Serial.println("Error al enviar el Tag UID.");
+      }
+    } else {
+      Serial.println("Error al obtener el Tag UID.");
+    }
+  }
+
+  mfrc522.PICC_HaltA(); // Stop reading
+  delay(1000);
+}
+
+String getTagUID() {
+  String tagUID = "";
+  for (byte i = 0; i < mfrc522.uid.size; i++) {
+    tagUID += String(mfrc522.uid.uidByte[i] < 0x10 ? "0" : "");
+    tagUID += String(mfrc522.uid.uidByte[i], HEX);
+  }
+  return tagUID;
+}
+
+bool sendTagUID(String tagUID) {
+  std::unique_ptr<BearSSL::WiFiClientSecure>client(new BearSSL::WiFiClientSecure);
+  client->setInsecure();
+  HTTPClient http;
+  String url = "https://api-lector-nfc.exdev.cl/" + tagUID;
+  Serial.print("Enviando solicitud a: ");
+  Serial.println(url);
+
+  if (http.begin(*client, url)) {
+    int httpCode = http.GET();
+    if (httpCode > 0) {
+      if (httpCode == HTTP_CODE_OK) {
+        DynamicJsonDocument doc(1024);
+        DeserializationError error = deserializeJson(doc, http.getString());
+        if (!error) {
+          String status = doc["status"];
+          if (status == "ok") {
+            String nombre = doc["nombre"];
+            String puesto = doc["puesto"];
+            Serial.println("Nombre: " + nombre);
+            Serial.print("Puesto: " + puesto);
+            Serial.println();
+            return true;
+          } else {
+              Serial.println("Error desconocido en la respuesta JSON.");
+          }
+        } else {
+          Serial.println("Error al analizar el JSON.");
+        }
+      } else {
+        if(httpCode == 404) {
+          DynamicJsonDocument doc(1024);
+          DeserializationError error = deserializeJson(doc, http.getString());
+          if(!error) {
+            String errorMessage = doc["error"]["mensaje"];
+            Serial.println(errorMessage);
+          } else {
+            Serial.println("Error al analizar el JSON.");
+          }
+        } else {
+          Serial.print("Obtenido codigo de error: ");
+          Serial.println(httpCode);
+        }
+      }
+    } else {
+      Serial.println("Conexión fallida. Intenta más tarde.");
+    }
+    http.end();
+  } else {
+    Serial.println("Failed to connect to server.");
+  }
+  return false;
+}