#include "mbed.h"
#include "ID12RFID.h"
#include "USBKeyboard.h"
#include <string>


using namespace std;

ID12RFID rfid(p14); // uart rx
Serial pc(USBTX, USBRX); // tx, rx
USBKeyboard keyboard;

int tagArr[2] = {36910393, 36926259}; // 2 known tags
string unArr[2] = {"email1@gmail.com", "email2@gmail.com"};
string pwArr[2] = {"myPassword1", "myPassword2"};

int tagNum;

int tagFound(int tag) {
    for (int i = 0; i < 2; i++) {
        if (tag == tagArr[i])
            return i; // known tag
    }
    return 3; // tag ID not found
}

int main() {    
    while(1) {
        // blocking. return when new rfid detected        
        if(rfid.readable()) { 
            tagNum = rfid.read();
            int id = tagFound(tagNum);
            if (id != 3) {
                // if familiar tag
                // find username & password   

                keyboard.keyCode('r', KEY_LOGO); // (Windows-specific) Run program
                wait(0.3); // may not be necessary
                keyboard.printf("chrome --incognito\r\n");
                wait (1.2); // determined experimentally
                keyboard.keyCode('l', KEY_CTRL); // "Ctrl + L" = web address change
                keyboard.printf("facebook.com\n");       
                wait(1.2);
                // input username, tab to PW field      
                keyboard.printf("%s\t", unArr[id].c_str());
                // hit "ENTER" (\n) to login
                keyboard.printf("%s\n", pwArr[id].c_str());
  
            } else {
                // new tag (unfamiliar)
               // do nothing   
            }
        }
    }
}