// a simple program which executes a perl script at
// one of following locations, whichever comes first:
//  modules/[name].pl
//  perl/[name].pl
//  ./[name].pl
//  modules/executor-resolver.pl
//  perl/executor-resolver.pl
//  ./executor-resolver.pl
//?  modules/[name]
//?  perl/[name]
//?  ./[name]

#include <windows.h>
#include <stdio.h>
#include <io.h>

#include "EXTERN.h"
#include "perl.h"

int main(int argc, char *argv[], char **env)
{
    char bufstr[2048];
    char fullpath[2048];
    char name[2048];
    char **xargv = (char**)malloc(sizeof(char*)*(argc+2));
    char *script[] = // how to search for script to run
    {
      "modules\\",
      "perl\\",
      "",
      0
    };
    char history[2048];
    int i=0, j, k, rc;
    bufstr[0]=0;
    strcpy(history,"tried:\n ");
    GetModuleFileName(NULL,fullpath,2048);
    j = strlen(fullpath);
    while (j && fullpath[j]!='\\')
      j--;
    j++;
    strcpy(name,fullpath+j);
    k = strlen(name);
    if (stricmp(name+k-4,".exe")==0) {
      //okay
      name[k-4] = 0;
    }
    else {
      MessageBox(0,name,"bad: not able to parse",0);
      return 1;
    }
    //MessageBox(0,name,"good:",0);
    fullpath[j] = 0;

    strcpy(bufstr,fullpath);
    // try with 'name' first
    for (k=0;script[k];k++) {
      strcpy(bufstr+j,script[k]);
      strcat(bufstr+j,name);
      strcat(bufstr+j,".pl");
      strcat(history,bufstr);
      strcat(history,"\n ");
#undef access
      if (!access(bufstr,0)) {
        //found it!
        goto found;
      }
    }

    // try with "executor-resolver.pl" at second set of tries
    for (k=0;script[k];k++) {
      strcpy(bufstr+j,script[k]);
      strcat(bufstr+j,"executor-resolver.pl");
      strcat(history,bufstr);
      strcat(history,"\n ");
#undef access
      if (!access(bufstr,0)) {
        //found it!
	//but here script name should be inserted
        xargv = (char**)malloc(sizeof(char*)*(argc+4));
        for (k=0; k<argc; k++)
          xargv[k+2] = argv[k];
        xargv[2] = name;
        xargv[1] = bufstr;
        xargv[0] = "perl";
        argc += 2;
        goto run;
      }
    }
    MessageBox(0,history,"Did not found.",0);
    return -1;
found:;
    //MessageBox(0,name,"!found!",0);
    xargv = (char**)malloc(sizeof(char*)*(argc+3));
    for (k=0; k<argc; k++)
      xargv[k+1] = argv[k];
    xargv[1] = bufstr;
    xargv[0] = "perl";
    argc += 1;
run:;
    rc = RunPerl(argc, xargv, env);
    free(xargv);
 
    return rc;
}