initial release

src/Alex2ESP.h

@@ -0,0 +1,104 @@
+/*
+ * @title Alex2ESP Library
+ * @version 1.0.0
+ * @author David
+ * @license MIT
+ * @contributors chaos511
+ *
+ * @description The Alex2ESP library is a companion to the Alex2MQTT Alexa Skill,
+ * providing seamless integration between ESP-based devices and the Alex2MQTT server.
+ * This library connects to alex2mqtt.stormysdream.club, where the skill is hosted,
+ * allowing your devices to communicate effortlessly with the Alexa Voice Service
+ * using MQTT as the backbone.
+ */
+
+#ifndef ALEX2ESP_H
+#define ALEX2ESP_H
+class AlexaDevice;
+
+#include <Arduino.h>
+#include <AsyncMqttClient.h>
+#include <ArduinoJson.h>
+#include "AlexaDevice.h"
+#include <AlexaInterface.h>
+#include <vector> 
+#include <AlexaUtils.h>
+
+#include <ESP8266HTTPClient.h>
+
+
+enum class Alex2ESPState
+{
+    UNINITIALIZED,
+    INITIALIZED,
+    CONNECTING,
+    SUBSCRIBING,
+    CONNECTED,
+    DISCONNECTED
+};
+
+class Alex2ESP
+{
+public:
+    // Constructor
+    Alex2ESP();
+
+    // Begin function for initialization
+    void begin(const char *rootTopic, const char *username, const char *password);
+    Alex2ESPState getState() const;
+    void loop();
+
+    AsyncMqttClientDisconnectReason getDisconnectReason() const;
+
+    AlexaDevice *getDevice(const String &name, const String &endpointId);
+    void messageSplitAndSend(String messagepackString, String topic);
+
+private:
+    static const int MAX_RETRY_COUNT = 2;        // Define maximum retry count
+    int retryCountPOST=0;
+    int retryCountGET=0;
+
+    boolean clearToSend=false;
+    AsyncMqttClient mqttClient; // MQTT client instance
+    String rootTopic;      // Root topic for communication
+    String discoverTopic;       // The topic we listen on for discovery messages
+    String discoverTopicSend;   // The topic we send discovery messages
+
+    String TopicESP;            // The topic we listen on for esp messages
+
+    const char *mqttUsername;   // Username for authentication
+    const char *mqttPassword;   // Password for authentication
+
+    unsigned long lastReconnectTime;
+    int reconnectAttempt;
+
+    HTTPClient httpGET;
+    HTTPClient httpPOST;
+
+    WiFiClient wifiGET;
+    WiFiClient wifiPOST;
+    JsonDocument inputDoc;
+    
+    std::vector<AlexaDevice> devices; // Collection of devices
+
+    Alex2ESPState _state;
+    AsyncMqttClientDisconnectReason _disconnectReason;
+
+    // MQTT connection details
+    const char *mqttServer = "alex2mqtt.stormysdream.club";
+    uint16_t mqttPort = 1883;
+
+    // Internal event handlers
+    void onMqttConnect(bool sessionPresent);
+    void onMqttDisconnect(AsyncMqttClientDisconnectReason reason);
+    void onSubscribe(uint16_t packetId, uint8_t qos);
+    void onMessage(char *topic, char *payload, AsyncMqttClientMessageProperties properties, size_t length, size_t index, size_t total);
+
+    //loop processing function
+    void handleMqttReconnection();
+    void processHttpPost();
+    void processHttpGet();
+
+};
+
+#endif // ALEX2ESP_H