/***************************************************************************
 *             __________               __   ___.
 *   Open      \______   \ ____   ____ |  | _\_ |__   _______  ___
 *   Source     |       _//  _ \_/ ___\|  |/ /| __ \ /  _ \  \/  /
 *   Jukebox    |    |   (  <_> )  \___|    < | \_\ (  <_> > <  <
 *   Firmware   |____|_  /\____/ \___  >__|_ \|___  /\____/__/\_ \
 *                     \/            \/     \/    \/            \/
 * 
 * $Id$
 *
 * Copyright (c) 2009, Dave Chapman
 * All rights reserved.
 * 
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are
 * met:
 * 
 *     * Redistributions of source code must retain the above copyright
 *       notice, this list of conditions and the following disclaimer.
 * 
 *     * Redistributions in binary form must reproduce the above
 *       copyright notice, this list of conditions and the following
 *       disclaimer in the documentation and/or other materials provided
 *       with the distribution.
 * 
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 *
 *
 ****************************************************************************/

#include <stdio.h>
#include <string.h>
#include <stddef.h>
#include <stdlib.h>
#include <wchar.h>
#include <stdbool.h>
#include <windows.h>
#include <tchar.h>

#include "mtp_common.h"


extern __declspec(dllimport) bool send_fw(LPWSTR file, int filesize, 
              void (*callback)(unsigned int progress, unsigned int max));

int mtp_init(struct mtp_info_t* mtp_info)
{
   /* Fill the info struct with zeros - mainly for the strings */
    memset(mtp_info, 0, sizeof(struct mtp_info_t));

    return 0;

}

int mtp_finished(struct mtp_info_t* mtp_info)
{
    (void)mtp_info;

    return 0;
}

int mtp_scan(struct mtp_info_t* mtp_info)
{
    strcpy(mtp_info->manufacturer,"<unknown>");
    strcpy(mtp_info->modelname,"<unknown>");
    strcpy(mtp_info->version,"<unknown>");

    return 0;

}

static void callback(unsigned int progress, unsigned int max)
{
    int percent = (progress * 100) / max;

    printf("Progress: %u of %u (%d%%)\r", progress, max, percent);
    fflush(stdout);
}


int mtp_send_firmware(struct mtp_info_t* mtp_info, unsigned char* fwbuf,
                      int fwsize)
{
    HANDLE hTempFile; 
    DWORD dwRetVal;
    DWORD dwBytesWritten; 
    UINT uRetVal;
    TCHAR szTempName[1024];
    TCHAR lpPathBuffer[1024];
    BOOL fSuccess;
    wchar_t *tmp;
    int ret;
    
    (void)mtp_info;

    /* Get the path for temporary files */    
    dwRetVal = GetTempPath(sizeof(lpPathBuffer), lpPathBuffer);
    if (dwRetVal > sizeof(lpPathBuffer) || (dwRetVal == 0))
    {
        fprintf(stderr, "[ERR]  GetTempPath failed (%d)\n", (int)GetLastError());
        return -1;
    }

    /* Create the temporary file */
    uRetVal = GetTempFileName(lpPathBuffer, TEXT("NKBIN"), 0, szTempName);  
    if (uRetVal == 0)
    {
        fprintf(stderr, "[ERR]  GetTempFileName failed (%d)\n", (int)GetLastError());
        return -1;
    }

    /* Now create the file */
    hTempFile = CreateFile((LPTSTR) szTempName, // file name 
                           GENERIC_READ | GENERIC_WRITE, // open r-w 
                           0,                    // do not share 
                           NULL,                 // default security 
                           CREATE_ALWAYS,        // overwrite existing
                           FILE_ATTRIBUTE_NORMAL,// normal file 
                           NULL);                // no template 
    if (hTempFile == INVALID_HANDLE_VALUE) 
    { 
        fprintf(stderr, "[ERR]  Could not create %s\n", szTempName);
        return -1;
    } 

    fSuccess = WriteFile(hTempFile, fwbuf, fwsize, &dwBytesWritten, NULL); 
    if (!fSuccess) 
    {
        fprintf(stderr, "[ERR]  WriteFile failed (%d)\n", (int)GetLastError());
        return -1;
    }

    fSuccess = CloseHandle (hTempFile);
    if (!fSuccess) 
    {
       fprintf(stderr, "[ERR]  CloseHandle failed (%d)\n", (int)GetLastError());
       return -1;
    }

    tmp = (LPWSTR)malloc(strlen(szTempName)*2+1);
    mbstowcs(tmp, szTempName, strlen(szTempName)*2+1);
    
    fprintf(stderr, "[INFO]  Sending firmware...\n");
    if (send_fw(tmp, fwsize, &callback))
    {
        fprintf(stderr, "[INFO] Firmware sent successfully\n");
        ret = 0;
    }
    else
    {
        fprintf(stderr, "[ERR]  Error occured during sending.\n");
        ret = -1;
    }
        
    /* Keep the progress line onscreen */
    printf("\n");

    free(tmp);

    if (!DeleteFile(szTempName))
        fprintf(stderr,"[WARN] Could not remove temporary file %s\n",szTempName);

    return ret;
}