/****************************************************************************
 * languagefile updater
 * for USB Loader GX    *giantpune*
 ***************************************************************************/
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <sys/dir.h>

#include "UpdateLanguage.h"
#include "listfiles.h"
#include "menu.h"
#include "network/networkops.h"
#include "network/http.h"

int updateLanguageFiles()
{
    char languageFiles[50][MAXLANGUAGEFILES];

    //get all the files in the language path
    int countfiles = GetAllDirFiles( Settings.languagefiles_path );

    //give up now if we didn't find any
    if ( !countfiles ) return -2;

    //now from the files we got, get only the .lang files
    for ( int cnt = 0; cnt < countfiles; cnt++ )
    {
        char filename[64];
        strlcpy( filename, GetFileName( cnt ), sizeof( filename ) );
        if ( strcasestr( filename, ".lang" ) )
        {
            strcpy( languageFiles[cnt], filename );
        }
    }

    subfoldercreate( Settings.languagefiles_path );

    //we assume that the network will already be init by another function
    // ( that has gui eletents in it because this one doesn't)
    int done = 0, j = 0;
    if ( IsNetworkInit() )
    {
        //build the URL, save path, and download each file and save it
        while ( j < countfiles )
        {
            char savepath[150];
            char codeurl[200];
            snprintf( codeurl, sizeof( codeurl ), "http://usbloader-gui.googlecode.com/svn/trunk/Languages/%s", languageFiles[j] );
            snprintf( savepath, sizeof( savepath ), "%s%s", Settings.languagefiles_path, languageFiles[j] );

            struct block file = downloadfile( codeurl );

            if ( file.data != NULL )
            {
                FILE * pfile;
                pfile = fopen( savepath, "wb" );
                if ( pfile != NULL )
                {
                    fwrite( file.data, 1, file.size, pfile );
                    fclose( pfile );
                    free( file.data );
                    done++;
                }
            }

            j++;
        }

    }
    //if there was no network init
    else return -1;

    // return the number of files we updated
    return done;
}