/* CMD mode from Bob Covill 2001 
 *
 * small fixes: MN
 *
 * Bug left: extension overwrites input name 1/2002
 */

#include <stdlib.h>
#include <stdio.h>
#include <string.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <fcntl.h>
#include <time.h>
#include <unistd.h>
#include "global.h"

int exec_rectify (int order, char *extension)
/* ADDED WITH CRS MODIFICATIONS */
{
    char *name;
    char *mapset;
    char *result;
    char *type;
    int i,n;
    struct Colors colr;
    struct Categories cats;
    struct History hist;
    int colr_ok, cats_ok;
    long start_time, rectify_time, compress_time;


/* allocate the output cell matrix */
    cell_buf = (void **) G_calloc (NROWS, sizeof(void *));
    n = NCOLS * G_raster_size(map_type);
    for (i=0; i < NROWS; i++)
    {
	cell_buf[i] = (void *) G_malloc (n);
	G_set_null_value(cell_buf[i], NCOLS, map_type);
    }

/* rectify each file */
    for (n = 0; n < ref.nfiles; n++)
    {
	if ((i = ref_list[n]) < 0)
        {
	   /* continue; */
	name   = ref.file[n].name;
	mapset = ref.file[n].mapset;
	
	/* generate out name, add extension to output */
	result = G_malloc(strlen(ref.file[n].name) + strlen(extension) + 1);
	strcpy(result, ref.file[n].name);
	strcat(result, extension);
	fprintf(stderr, "Rectified input file %s will be saved as %s\n", name, result);

	select_current_env();

	cats_ok = G_read_cats (name, mapset, &cats) >= 0;
	colr_ok = G_read_colors (name, mapset, &colr) > 0;

	/* Initialze History */
        type = "raster";
        G_short_history(name, type, &hist);

	time (&start_time);

        if (rectify (name, mapset, result, order))
	{
	    select_target_env();
	    /***
	     * This clobbers (with wrong values) head
	     * written by gislib.  99% sure it should
	     * be removed.  EGM 2002/01/03
            G_put_cellhd (result,&target_window);
	     */
	    if(cats_ok)
	    {
		G_write_cats (result, &cats);
		G_free_cats (&cats);
	    }
	    if(colr_ok)
	    {
		G_write_colors (result, G_mapset(), &colr) ;
		G_free_colors (&colr);
	    }

                /* Write out History Structure History */
                sprintf(hist.title, "%s", result);
                sprintf(hist.datsrc_1, "%s", name);
                sprintf(hist.edhist[0], "Created from: i.rectify");
		sprintf(hist.edhist[1], "Transformation order = %d", order);
                hist.edlinecnt = 2;
                G_write_history (result, &hist) ;

	    select_current_env();
	    time (&rectify_time);
	    compress_time = rectify_time;
	    report (name, mapset, result, rectify_time-start_time, compress_time-rectify_time, 1);
	}
	else
	    report (name, mapset, result, (long)0, (long)0, 0);
    }
    }

    G_done_msg ("");

    return 0;
}