/* Copyright (C) 2015 J.F.Dockes
 *   This program is free software; you can redistribute it and/or modify
 *   it under the terms of the GNU General Public License as published by
 *   the Free Software Foundation; either version 2 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 General Public License for more details.
 *
 *   You should have received a copy of the GNU General Public License
 *   along with this program; if not, write to the
 *   Free Software Foundation, Inc.,
 * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
 */
#include "autoconfig.h"

#include <shellapi.h>
#include <stdio.h>
#include <stdlib.h>
#include "safewindows.h"
#include "pathut.h"

using namespace std;

// This exists only because I could not find any way to get "cmd /c
// start fn" to work when executed from the recoll GUI. Otoh,
// cygstart, which uses ShellExecute() did work... So this is just a
// simpler cygstart
static char *thisprog;
static char usage [] ="rclstartw [-m] <fn>\n" 
    "   Will use ShellExecute to open the arg with the default app\n"
    "    -m 1 start maximized\n";

static void Usage(FILE *fp = stderr)
{
    fprintf(fp, "%s: usage:\n%s", thisprog, usage);
    exit(1);
}
int op_flags;
#define OPT_m 0x1

int main(int argc, char *argv[])
{
    int wargc;
    wchar_t **wargv = CommandLineToArgvW(GetCommandLineW(), &wargc);

    // Yes we could use wargv
    thisprog = argv[0];
    argc--; argv++;
    int imode = 0;
    while (argc > 0 && **argv == '-') {
    (*argv)++;
    if (!(**argv))
        Usage();
    while (**argv)
        switch (*(*argv)++) {
        case 'm':    op_flags |= OPT_m; if (argc < 2)  Usage();
        if ((sscanf(*(++argv), "%d", &imode)) != 1) 
            Usage(); 
        argc--; goto b1;
        default: Usage(); break;
        }
    b1: argc--; argv++;
    }

    if (argc != 1) {
        Usage();
    }

    wchar_t *wfn = wargv[1];

    // Do we need this ?
    //https://msdn.microsoft.com/en-us/library/windows/desktop/bb762153%28v=vs.85%29.aspx
    //CoInitializeEx(NULL, COINIT_APARTMENTTHREADED | COINIT_DISABLE_OLE1DDE);

    int wmode = SW_SHOWNORMAL;
    switch (imode) {
    case 1: wmode = SW_SHOWMAXIMIZED;break;
    default: wmode = SW_SHOWNORMAL;  break;
    }
    
    int ret = (int)ShellExecuteW(NULL, L"open", wfn, NULL, NULL, wmode);
    if (ret) {
        fprintf(stderr, "ShellExecute returned %d\n", ret);
    }
    LocalFree(wargv);
    return ret;
}
