#include "ESP8266_HTTP.h"

#define RX_PIN  4  // Connect this pin to TX on the esp8266
#define TX_PIN  6  // Connect this pin to RX on the esp8266
#define RST_PIN 5

#define SSID "ssid1234"
#define PASS "pass1234"
#define PORT "80"

ESP8266_HTTP server(RX_PIN, TX_PIN, RST_PIN);

void setup() {
    Serial.begin(9600);
    while (!Serial);
    Serial.println("Initializating...");

    if (server.start(SSID, PASS, PORT) == 0) {
        Serial.print("Server is running on ");
        Serial.print(server.getIP());
        Serial.print(":");
        Serial.println(PORT);

        // Every Route has unique ID - it is given by the sequence of registration
        server.registerRoute(HTTP_Method::GET, "/");     // ID == 1
        server.registerRoute(HTTP_Method::GET, "/test"); // ID == 2
    }
}

void loop() {
    code = server.update();
    switch(code) {
        case 4: // Something was received
            Serial.println("AT message from ESP8266!");
            break;
        case 3: // TCP Message
            Serial.println("New Message!");
            route = server.preprocessRequest();
            processRequest(route);
            break;
        case 2: // Client disconnected
            Serial.println("Disconnected!");
            break;
        case 1: // Client connected
            Serial.println("Connected!");
            break;
        case 0: // Nothing happened
        default:
            break;
    }

    // Rest of Arduino code
    // Must be fast (non-blocking) code
}

void processRequest(Route * route) {
    if (route != NULL) {
        // Valid HTTP request
        // Here process request
        // See other examples to learn how the processRequest function might look like
    }
}

/**
 * 0 : Nothing happened
 * 1 : Client connected
 * 2 : Client disconnected
 * 3 : TCP message
 * 4 : Response to AT request (e. g. AT+CIPSTATUS, etc.)
 */
byte ESP8266_WLAN::update();

/**
 * Checks whether it is HTTP request. Then it takes apart the request. 
 * If the request is not registered, then the response will be NOT FOUND (404), 
 * @return Pointer to Route object which was requested, otherwise NULL
 */
Route * ESP8266_HTTP::preprocessRequest();

/**
 * @brief Appends message to the BUFFER.
 * @param message Text string to be sent
 */
void send(const char * message);
void send(String& message);

/**
 * @brief Appends number as text string to the BUFFER.
 * @param num Number to be sent
 */
void send(int num);
void send(float num);

/**
 * @brief Appends message to the BUFFER. Use this method when text string is saved in Flash (PROGMEM).
 * @param message A pointer to text string saved in Flash (PROGMEM).
 */
void send_PROGMEM(const char * message);

/**
 * Exacly like send() but it also appends CRLF
 */
void sendln(const char * message);
void sendln(String& message);
void sendln(int num);
void sendln(float num);
void sendln_PROGMEM(const char * message);

/**
 * @brief Sends message saved in the BUFFER.
 * @param channel Channel to which to sent.
 * @return true when success.
 */
bool send(char channel);