/*
 * (C) Copyright Johannes Brodwall <johannes@brodwall.com>, 2006
 *
 * Version 1.0.1
 *
 * History:
 * * 2006/02/20: Version 1.0: Colors and brightnesses with range checking.
 * * 05/11/2006: Tweaked by David Pritchard to add touchpad configuration.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 * http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

#include "xps_led_control_lib.h"
#include <stdio.h>
#include <stdlib.h>
#include <string.h>


void usage(char* program_name) {
  printf("usage: %s [-all color] [-front color] [-top color] "
         "[-side color] [-bright value] [-touchpad 0|1]\n", program_name);
  printf("   Where color is a number from 0-16\n");
  printf("   and brightness value is a number from 0-7\n");
  printf("\n");
  printf("(C) Copyright Johannes Brodwall <johannes@brodwall.com>, 2006\n");
  printf(" Some rights reserved: http://creativecommons.org/licenses/by/2.5/\n");

}

void check_range(char* program_name, char* parameter_name, int value, int low, int high) {
  if (value < low || high < value) {
    printf("Invalid value for '%s' (was %d)\n", parameter_name, value);
    usage(program_name);
    exit(-2);
  } else {
    //printf("%s = %d\n", parameter_name, value);
  }
}



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

  unsigned int side_color = 0;
  unsigned int front_color = 0;
  unsigned int top_color = 0;
  unsigned int brightness = 7;
  unsigned int touchpad_light = 0;
  int i = 1;

  if (argc<2) {
    usage(argv[0]);
    exit(0);
  }

  for (i=1; i<argc-1; i+=2) {
    if (strcmp(argv[i], "-front") == 0) {
        front_color = atoi(argv[i+1]);
        check_range(argv[0], "-front", front_color, 0, 16);
    } else if (strcmp(argv[i], "-top") == 0) {
        top_color = atoi(argv[i+1]);
        check_range(argv[0], "-top", top_color, 0, 16);
    } else if (strcmp(argv[i], "-side") == 0) {
        side_color = atoi(argv[i+1]);
        check_range(argv[0], "-side", side_color, 0, 16);
    } else if (strcmp(argv[i], "-bright") == 0) {
        brightness = atoi(argv[i+1]);
        check_range(argv[0], "-bright", brightness, 0, 7);
    } else if (strcmp(argv[i], "-touchpad") == 0) {
        touchpad_light = atoi(argv[i+1]);
        check_range(argv[0], "-touchpad", touchpad_light, 0, 1);
    } else if (strcmp(argv[i], "-all") == 0) {
        side_color = top_color = front_color = atoi(argv[i+1]);
        check_range(argv[0], "-all", side_color, 0, 16);
    } else {
        usage(argv[0]);
        exit(-1);
    }
  }
  if (i<argc) {
    // extra parameters
    usage(argv[0]);
    exit(-3);
  }


  setXpsColors((char)side_color, (char)front_color,
          (char)top_color, (char)brightness, (char)touchpad_light);

  return 0;
}