/*
 Usage: ./send <systemCode> <unitCode> <command>
 Command is 0 for OFF and 1 for ON
 */

#include "../rc-switch/RCSwitch.h"
#include <stdlib.h>
#include <stdio.h>

int main(int argc, char *argv[])
{

    /*
       output PIN is hardcoded for testing purposes
       see https://projects.drogon.net/raspberry-pi/wiringpi/pins/
       for pin mapping of the raspberry pi GPIO connector
     */
    int PIN = 7;
    const char *code[6] = { "00000", "10000", "01000", "00100", "00010", "00001" };

    if (argc < 4) {
        printf("Sending 433 MHz remote plug control codes, hardcoded on wiringpi pin %d.\n", PIN);
        printf("Usage: %s <systemCode> <unitCode> <command> [pulseLength]\n", argv[0]);
        printf("systemCode  - First five settings of Type A 10 pole DIP switch, e.g. 11111\n");
        printf("unitCode    - Switch number [1 .. 5] or [10000 .. 00001]\n");
        printf("command     - 0 for OFF and 1 for ON\n");
        printf("pulseLength - optional pulse length\n");
        return -1;
    }

    char *systemCode = argv[1];
    const char *unitCode;
    if (strlen(argv[2]) == 5) {
        unitCode = argv[2];
    } else if (atoi(argv[2]) > 0 and atoi(argv[2]) < 6) {
        unitCode = code[atoi(argv[2])];
    } else {
        return -1;
    }
    int command = atoi(argv[3]);

    if (wiringPiSetup() == -1)
        return 1;
    printf("sending systemCode[%s] unitCode[%s] command[%i]\n", systemCode, unitCode, command);
    RCSwitch mySwitch = RCSwitch();
    if (argv[4] != NULL)
        mySwitch.setPulseLength(atoi(argv[4]));
    mySwitch.enableTransmit(PIN);

    switch (command) {
    case 1:
        mySwitch.switchOn(systemCode, unitCode);
        break;
    case 0:
        mySwitch.switchOff(systemCode, unitCode);
        break;
    default:
        printf("command[%i] is unsupported\n", command);
        return -1;
    }
    return 0;
}