//----------------------------------------------------------------------------//
//                           GNU GPL OS/K                                     //
//                                                                            //
//  Desc:       Kernel shell                                                  //
//                                                                            //
//                                                                            //
//  Copyright © 2018-2019 The OS/K Team                                       //
//                                                                            //
//  This file is part of OS/K.                                                //
//                                                                            //
//  OS/K 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 3 of the License, or         //
//  any later version.                                                        //
//                                                                            //
//  OS/K 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 OS/K.  If not, see <https://www.gnu.org/licenses/>.            //
//----------------------------------------------------------------------------//

#include <extras/buf.h>
#include <extras/argv.h>
#include <kernel/time.h>
#include <kernel/speaker.h>
#include <kernel/iomisc.h>
#include <kernel/pwmgnt.h>
#include <kernel/keyboard.h>

extern void IoScrollDown(void);
extern void IoScrollUp(void);

static int shargc = 0;
static char *argv0 = 0;
static char **shargv = 0;

#define CMDBUFSIZE 256

error_t CmdBeep(int argc, char **argv)
{
    if (rand() % 16 == 0) {
        IoDoStarWars();
    }
    else IoDoBeep();
    
    return EOK;
}

error_t CmdQuit(int argc, char **argv)
{
    PoShutdownQemu();
    return EOK;
}

typedef struct Command_t Command_t;

struct Command_t
{
    const char *name;
    error_t (*func)(int argc, char **argv);
};

Command_t cmdtable[] =
{
    { "beep", CmdBeep },
    { "exit", CmdQuit },
    { "quit", CmdQuit },
    { NULL, NULL }
};