/**
 * @file cvpcb/loadcmp.cpp
 */

#include <fctsys.h>
#include <wxstruct.h>
#include <gr_basic.h>
#include <confirm.h>
#include <kicad_string.h>
#include <gestfich.h>
#include <macros.h>
#include <appl_wxstruct.h>

#include <pcbstruct.h>
#include <class_module.h>

#include <cvpcb.h>
#include <cvpcb_mainframe.h>
#include <class_DisplayFootprintsFrame.h>
#include <richio.h>
#include <filter_reader.h>


/**
 * Read libraries to find a module.
 * If this module is found, copy it into memory
 *
 * @param CmpName - Module name
 * @return - a pointer to the loaded module or NULL.
 */
MODULE* DISPLAY_FOOTPRINTS_FRAME::Get_Module( const wxString& CmpName )
{
    int        Found = 0;
    unsigned   ii;
    char*      Line;
    char       Name[255];
    wxString   tmp, msg;
    wxFileName fn;
    MODULE*    Module = NULL;
    CVPCB_MAINFRAME* parent = ( CVPCB_MAINFRAME* ) GetParent();

    for( ii = 0; ii < parent->m_ModuleLibNames.GetCount(); ii++ )
    {
        fn = parent->m_ModuleLibNames[ii];
        fn.SetExt( ModuleFileExtension );

        tmp = wxGetApp().FindLibraryPath( fn );

        if( !tmp )
        {
            msg.Printf( _( "PCB foot print library file <%s> could not be \
found in the default search paths." ),
                        GetChars( fn.GetFullName() ) );
            wxMessageBox( msg, titleLibLoadError, wxOK | wxICON_ERROR, this );
            continue;
        }

        FILE* file = wxFopen( tmp, wxT( "rt" ) );

        if( file == NULL )
        {
            msg.Printf( _( "Could not open PCB foot print library file <%s>." ),
                        GetChars( tmp ) );
            wxMessageBox( msg, titleLibLoadError, wxOK | wxICON_ERROR, this );
            continue;
        }

        FILE_LINE_READER fileReader( file, tmp );

        FILTER_READER reader( fileReader );

        /* Read header. */
        reader.ReadLine();
        Line = reader.Line();
        StrPurge( Line );

        if( strnicmp( Line, FOOTPRINT_LIBRARY_HEADER, FOOTPRINT_LIBRARY_HEADER_CNT ) != 0 )
        {
            msg.Printf( _( "<%s> is not a valid KiCad PCB foot print library." ),
                        GetChars( tmp ) );
            wxMessageBox( msg, titleLibLoadError, wxOK | wxICON_ERROR, this );
            fclose( file );
            return NULL;
        }

        Found = 0;

        while( !Found && reader.ReadLine() )
        {
            Line = reader.Line();
            if( strncmp( Line, "$MODULE", 6 ) == 0 )
                break;

            if( strnicmp( Line, "$INDEX", 6 ) == 0 )
            {
                while( reader.ReadLine() )
                {
                    Line = reader.Line();

                    if( strnicmp( Line, "$EndINDEX", 9 ) == 0 )
                        break;

                    StrPurge( Line );

                    if( stricmp( Line, TO_UTF8( CmpName ) ) == 0 )
                    {
                        Found = 1;
                        break;
                    }
                }
            }
        }

        while( Found && reader.ReadLine() )
        {
            Line = reader.Line();
            if( Line[0] != '$' )
                continue;

            if( Line[1] != 'M' )
                continue;

            if( strnicmp( Line, "$MODULE", 7 ) != 0 )
                continue;

            /* Read component name. */
            sscanf( Line + 7, " %s", Name );

            if( stricmp( Name, TO_UTF8( CmpName ) ) == 0 )
            {
                Module = new MODULE( GetBoard() );

                // Switch the locale to standard C (needed to print floating
                // point numbers like 1.3)
                SetLocaleTo_C_standard();
                Module->ReadDescr( &reader );
                SetLocaleTo_Default();       // revert to the current locale
                Module->SetPosition( wxPoint( 0, 0 ) );
                return Module;
            }
        }

        file = NULL;
    }

    msg.Printf( _( "Module %s not found" ), CmpName.GetData() );
    DisplayError( this, msg );
    return NULL;
}