/* cdwChangeFormat - Change format and force a revalidation for a file.. */

/* Copyright (C) 2014 The Regents of the University of California 
 * See kent/LICENSE or http://genome.ucsc.edu/license/ for licensing information. */

#include "common.h"
#include "linefile.h"
#include "hash.h"
#include "options.h"
#include "dystring.h"
#include "jksql.h"
#include "cheapcgi.h"
#include "cdw.h"
#include "cdwLib.h"

char *tagToChange="format";

void usage()
/* Explain usage and exit. */
{
errAbort(
  "cdwChangeFormat - Change format or other tag and force a revalidation for a file.\n"
  "usage:\n"
  "   cdwChangeFormat newValue id1 id2 ... idN\n"
  "change format of files with given ids to new format. File will keep it's license plate but end\n"
  "up with an error message if there's a problem validating it in the new format.  This is mostly\n"
  "used in practice on things submitted as 'unknown' where we now have validators for the format.\n"
  "Also this has been used to correct glitches in load from CIRM2.\n"
  "options:\n"
  "   -tagToChange=tagName What tag to update with a new value - default is format.\n"
  );
}

/* Command line validation table. */
static struct optionSpec options[] = {
   {"tagToChange", OPTION_STRING},
   {NULL, 0},
};

void changeFormat(struct sqlConnection *conn, struct cdwValidFile *vf, char *format)
/* Set up vf to change format. */
{
struct cdwFile *ef = cdwFileFromId(conn, vf->fileId);
char *newTags = cgiStringNewValForVar(ef->tags, tagToChange, format);
cdwFileResetTags(conn, ef, newTags, TRUE, 0);
cdwFileFree(&ef);
}

void cdwChangeFormat(char *format, int idCount, char *idStrings[])
/* cdwChangeFormat - Change format and force a revalidation for a file.. */
{
struct sqlConnection *conn = cdwConnectReadWrite();

/* Convert ascii id's to valid file ids so we catch errors early. */
long long ids[idCount];
struct cdwValidFile *vfs[idCount];
int i;
for (i=0; i<idCount; ++i)
    {
    long long id = ids[i] = sqlLongLong(idStrings[i]);
    struct cdwValidFile *vf = vfs[i] = cdwValidFileFromFileId(conn, id);
    if (vf == NULL)
        errAbort("%lld is not a fileId in the cdwValidFile table", id);
    }

/* Loop through each file and change format. */
for (i=0; i<idCount; ++i)
    {
    changeFormat(conn, vfs[i], format);
    }
sqlDisconnect(&conn);
}

int main(int argc, char *argv[])
/* Process command line. */
{
optionInit(&argc, argv, options);
tagToChange = optionVal("tagToChange", tagToChange);
if (argc < 3)
    usage();
cdwChangeFormat(argv[1], argc-2, argv+2);
return 0;
}