/*
 This program is free software: you can redistribute it and/or modify
    it under the terms of the GNU Affero General Public License as
    published by the Free Software Foundation, either version 3 of
    the License, or (at your option) any later version.

    This program is distributed in the hope that it will be useful,
    but WITHOUT ANY WARRANTY; without even the implied warranty of
    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
    GNU Affero General Public License for more details.

    You should have received a copy of the GNU Affero General Public License
    along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */
/*
  Blink
  Turns on an LED on for one second, then off for one second, repeatedly.

  This example code is in the public domain.
 */
int red0 = 12;
int yellow0 = 11;
int green0 = 10;

int red1 = 7;
int yellow1 = 6;
int green1 = 5;

void setup() {
  // initialize the digital pin as an output.
  // Pin 13 has an LED connected on most Arduino boards:

  pinMode(red0, OUTPUT);
  pinMode(red1, OUTPUT);
  pinMode(yellow0, OUTPUT);
  pinMode(yellow1, OUTPUT);
  pinMode(green0, OUTPUT);
  pinMode(green1, OUTPUT);
}

void on(int led) {
  digitalWrite(led, HIGH);
}

void off(int led) {
  digitalWrite(led, LOW);
}

void ons_offs(int* ons, int onsc,
              int* offs, int offsc,
              int delay_time) {
  int ii;
  for(ii = 0; ii < offsc; ii++) {
    off(offs[ii]);
  }
  for(ii = 0; ii < onsc; ii++) {
    on(ons[ii]);
  }
  delay(delay_time);
}

void loop() {
  int red_wait = 300;
  int yellow_wait = 800;
  int green_wait = 1600;

  ons_offs((int[]){red0, green1}, 2,
           (int[]){yellow0, green0, red1, yellow1}, 4,
           green_wait);

  ons_offs((int[]){red0, yellow1}, 2,
           (int[]){yellow0, green0, red1, green1}, 4,
           yellow_wait);

  ons_offs((int[]){red0, red1}, 2,
           (int[]){yellow0, green0, yellow1, green1}, 4,
           red_wait);

  ons_offs((int[]){green0, red1}, 2,
           (int[]){red0, yellow0, yellow1, green1}, 4,
           green_wait);

  ons_offs((int[]){yellow0, red1}, 2,
           (int[]){red0, green0, yellow1, green1}, 4,
           yellow_wait);

  ons_offs((int[]){red0, red1}, 2,
           (int[]){yellow0, green0, yellow1, green1}, 4,
           red_wait);
}