/**************************************************************************************************
MAC Console Frontend (MAC.exe)

Pretty simple and straightforward console front end.
**************************************************************************************************/
#define _NO_CRT_STDIO_INLINE // this suppresses warning 4710
#include "Console.h"
#include <stdio.h>
#include "GlobalFunctions.h"
#include "MACLib.h"
#include "APETag.h"
#include "APEInfo.h"
#include "CharacterHelper.h"
using namespace APE;

// defines
#define COMPRESS_MODE          0
#define DECOMPRESS_MODE        1
#define VERIFY_MODE            2
#define CONVERT_MODE           3
#define TAG_MODE               4
#define VERIFY_FULL_MODE       5
#define REMOVE_TAG_MODE        6
#define CONVERT_TAG_TO_LEGACY  7
#define UNDEFINED_MODE        -1

// global variables
TICK_COUNT_TYPE g_nInitialTickCount = 0;

/**************************************************************************************************
Gets a parameter from an array
**************************************************************************************************/
str_utfn * GetParameterFromList(const str_utfn * pList, const str_utfn * pDelimiter, int nCount)
{
    const str_utfn * pHead = pList;
    const str_utfn * pTail = wcsstr(pHead, pDelimiter);
    while (pTail != APE_NULL)
    {
        int nBufferSize = static_cast<int>(pTail - pHead);
        str_utfn * pBuffer = new str_utfn [static_cast<size_t>(nBufferSize) + 1];
        memcpy(pBuffer, pHead, static_cast<size_t>(nBufferSize) * sizeof(pBuffer[0]));
        pBuffer[nBufferSize] = 0;

        pHead = pTail + wcslen(pDelimiter);
        pTail = wcsstr(pHead, pDelimiter);

        nCount--;
        if (nCount < 0)
            return pBuffer;

        delete [] pBuffer;
    }

    if ((*pHead != 0) && (nCount == 0))
    {
        int nBufferSize = static_cast<int>(wcslen(pHead));
        str_utfn * pBuffer = new str_utfn [static_cast<size_t>(nBufferSize) + 1];
        memcpy(pBuffer, pHead, static_cast<size_t>(nBufferSize) * sizeof(pBuffer[0]));
        pBuffer[nBufferSize] = 0;
        return pBuffer;
    }

    return APE_NULL;
}

/**************************************************************************************************
Displays the proper usage for MAC.exe
**************************************************************************************************/
static void DisplayProperUsage(FILE * pFile)
{
    fwprintf(pFile, L"Proper Usage: [EXE] [Input File] [Output File] [Mode]\n\n");

    fwprintf(pFile, L"Modes: \n");
    fwprintf(pFile, L"    Compress (fast): '-c1000'\n");
    fwprintf(pFile, L"    Compress (normal): '-c2000'\n");
    fwprintf(pFile, L"    Compress (high): '-c3000'\n");
    fwprintf(pFile, L"    Compress (extra high): '-c4000'\n");
    fwprintf(pFile, L"    Compress (insane): '-c5000'\n");
    fwprintf(pFile, L"    Decompress: '-d'\n");
    fwprintf(pFile, L"    Verify: '-v'\n");
    fwprintf(pFile, L"    Full Verify: '-V'\n");
    fwprintf(pFile, L"    Convert: '-nXXXX'\n");
    fwprintf(pFile, L"    Tag: '-t'\n");
    fwprintf(pFile, L"    Remove Tag: '-r'\n");
    fwprintf(pFile, L"    Convert to ID3v1 (needed by some players, etc.): '-L'\n\n");

    fwprintf(pFile, L"Examples:\n");
    fwprintf(pFile, L"    Compress: mac.exe \"Metallica - One.wav\" \"Metallica - One.ape\" -c2000\n");
    fwprintf(pFile, L"    Compress: mac.exe \"Metallica - One.wav\" \"Metallica - One.ape\" -c2000 -t \"Artist=Metallica|Album=Black|Name=One\"\n");
    fwprintf(pFile, L"    Compress: mac.exe \"Metallica - One.wav\" auto -c2000\n");
    fwprintf(pFile, L"    Transcode from pipe: ffmpeg.exe -i \"Metallica - One.flac\" -f wav - | mac.exe - \"Metallica - One.ape\" -c2000\n");
    fwprintf(pFile, L"    Decompress: mac.exe \"Metallica - One.ape\" \"Metallica - One.wav\" -d\n");
    fwprintf(pFile, L"    Decompress: mac.exe \"Metallica - One.ape\" auto -d\n");
    fwprintf(pFile, L"    Verify: mac.exe \"Metallica - One.ape\" -v\n");
    fwprintf(pFile, L"    Full Verify: mac.exe \"Metallica - One.ape\" -V\n");
    fwprintf(pFile, L"    Tag: mac.exe \"Metallica - One.ape\" -t \"Artist=Metallica|Album=Black|Name=One|Comment=\\\"This is in quotes\\\"\"\n");
    fwprintf(pFile, L"    Remove tag: mac.exe \"Metallica - One.ape\" -r\n");
}

/**************************************************************************************************
Progress callback
**************************************************************************************************/
static void CALLBACK ProgressCallback(int nPercentageDone)
{
    // get the current tick count
    TICK_COUNT_TYPE nTickCount;
    TICK_COUNT_READ(nTickCount);

    // calculate the progress
    double dProgress = nPercentageDone / 1.e5;                                          // [0...1]
    double dElapsed = static_cast<double>(nTickCount - g_nInitialTickCount) / TICK_COUNT_FREQ;    // seconds
    double dRemaining = (nPercentageDone > 0) ? dElapsed * ((1.0 / dProgress) - 1.0) : 0;            // seconds

    // output the progress
    fwprintf(stderr, L"Progress: %.1f%% (%.1f seconds remaining, %.1f seconds total)          \r",
        dProgress * 100, dRemaining, dElapsed);

    // don't forget to flush!
    fflush(stderr);
}

/**************************************************************************************************
CtrlHandler callback
**************************************************************************************************/
#ifdef PLATFORM_WINDOWS
static BOOL CALLBACK CtrlHandlerCallback(DWORD dwCtrlTyp)
{
    switch (dwCtrlTyp)
    {
    case CTRL_C_EVENT:
        _fputts(_T("\n\nCtrl+C: MAC has been interrupted !!!\n"), stderr);
        break;
    case CTRL_BREAK_EVENT:
        _fputts(_T("\n\nBreak: MAC has been interrupted !!!\n"), stderr);
        break;
    default:
        return FALSE;
    }

    fflush(stderr);
    ExitProcess(666);
}
#endif

/**************************************************************************************************
Tag
**************************************************************************************************/
int Tag(const str_utfn * pFilename, const str_utfn * pTagString)
{
    int nRetVal = ERROR_UNDEFINED;

    // create the decoder
    int nFunctionRetVal = ERROR_SUCCESS;
    CSmartPtr<IAPEDecompress> spAPEDecompress;
    try
    {
        spAPEDecompress.Assign(CreateIAPEDecompress(pFilename, &nFunctionRetVal, false, true, false));
        if (spAPEDecompress == APE_NULL || nFunctionRetVal != ERROR_SUCCESS) throw(static_cast<intn>(nFunctionRetVal));

        // get the input format
        APE::IAPETag * pTag = APE_NULL;
        pTag = GET_TAG(spAPEDecompress);

        if (pTag == APE_NULL)
            throw(ERROR_UNDEFINED);

        fwprintf(stderr, L"%s\r\n", pTagString);

        // set fields
        for (int nCount = 0; true; nCount++)
        {
            str_utfn * pParameter = GetParameterFromList(pTagString, L"|", nCount);
            if (pParameter == APE_NULL)
                break;

            str_utfn * pEqual = wcsstr(pParameter, L"=");
            if (pEqual != APE_NULL)
            {
                int nCharacters = static_cast<int>(pEqual - pParameter);
                CSmartPtr<str_utfn> spLeft(new str_utfn [static_cast<size_t>(nCharacters) + 1], true);
                wcsncpy_s(spLeft, static_cast<size_t>(nCharacters) + 1, pParameter, static_cast<size_t>(nCharacters));
                spLeft[nCharacters] = 0;

                nCharacters = static_cast<int>(wcslen(&pEqual[1]));
                CSmartPtr<str_utfn> spRight(new str_utfn [static_cast<size_t>(nCharacters) + 1], true);
                wcscpy_s(spRight, static_cast<size_t>(nCharacters) + 1, &pEqual[1]);
                spRight[nCharacters] = 0;

                fwprintf(stderr, L"%s -> %s\r\n", spLeft.GetPtr(), spRight.GetPtr());

                pTag->SetFieldString(spLeft, spRight);
            }

            delete[] pParameter;
        }

        // save
        if (pTag->Save(false) == ERROR_SUCCESS)
        {
            nRetVal = ERROR_SUCCESS;
        }
    }
    catch (...)
    {
        nRetVal = ERROR_UNDEFINED;
    }

    return nRetVal;
}

/**************************************************************************************************
Remove tags
**************************************************************************************************/
int RemoveTags(const str_utfn * pFilename)
{
    int nRetVal = ERROR_UNDEFINED;

    // create the decoder
    int nFunctionRetVal = ERROR_SUCCESS;
    CSmartPtr<IAPEDecompress> spAPEDecompress;
    try
    {
        spAPEDecompress.Assign(CreateIAPEDecompress(pFilename, &nFunctionRetVal, false, true, false));
        if (spAPEDecompress == APE_NULL || nFunctionRetVal != ERROR_SUCCESS) throw(static_cast<intn>(nFunctionRetVal));

        // get the input format
        APE::IAPETag * pTag = GET_TAG(spAPEDecompress);
        if (pTag == APE_NULL)
            throw(ERROR_UNDEFINED);

        // remove the tag
        if (pTag->Remove(true) == ERROR_SUCCESS)
        {
            nRetVal = ERROR_SUCCESS;
        }
    }
    catch (...)
    {
        nRetVal = ERROR_UNDEFINED;
    }

    return nRetVal;
}

/**************************************************************************************************
Convert to legacy
**************************************************************************************************/
int ConvertTagsToLegacy(const str_utfn * pFilename)
{
    int nRetVal = ERROR_UNDEFINED;

    // create the decoder
    int nFunctionRetVal = ERROR_SUCCESS;
    CSmartPtr<IAPEDecompress> spAPEDecompress;
    try
    {
        spAPEDecompress.Assign(CreateIAPEDecompress(pFilename, &nFunctionRetVal, false, true, false));
        if (spAPEDecompress == APE_NULL || nFunctionRetVal != ERROR_SUCCESS) throw(static_cast<intn>(nFunctionRetVal));

        // get the input format
        APE::IAPETag * pTag = GET_TAG(spAPEDecompress);
        if (pTag == APE_NULL)
            throw(ERROR_UNDEFINED);

        // remove the tag
        if (pTag->Save(true) == ERROR_SUCCESS)
        {
            nRetVal = ERROR_SUCCESS;
        }
    }
    catch (...)
    {
        nRetVal = ERROR_UNDEFINED;
    }

    return nRetVal;
}

/**************************************************************************************************
Handle auto for an output filename
**************************************************************************************************/
void HandleAuto(CSmartPtr<wchar_t> & spInputFilename, CSmartPtr<wchar_t> & spOutputFilename, bool bAPEType)
{
    // build the output filename
    const wchar_t * AUTO = L"auto";
    if ((spOutputFilename == NULL) || (wcslen(spOutputFilename) == 0) || (_wcsicmp(spOutputFilename, AUTO) == 0))
    {
        // build the output filename
        spOutputFilename.Assign(new wchar_t[APE_MAX_PATH], true);
        wcscpy_s(spOutputFilename, APE_MAX_PATH, spInputFilename);

        // remove the extension
        wchar_t* pExtension = wcsrchr(spOutputFilename, '.');
        if (pExtension != APE_NULL)
            *pExtension = 0; // switch to NULL so we don't have an extension

        // put together and fill spOutputFilename
        if (bAPEType)
        {
            // add the .ape extension
            wcscat_s(spOutputFilename, APE_MAX_PATH, L".ape");
        }
        else
        {
            // add the new extension
            APE::str_ansi cFileType[8] = { 0 };
            GetAPEFileType(spInputFilename, cFileType);
            CSmartPtr<APE::str_utfn> spFileTypeUTF16(CAPECharacterHelper::GetUTF16FromANSI(cFileType), true);

            // put together and fill spOutputFilename
            wcscat_s(spOutputFilename, APE_MAX_PATH, spFileTypeUTF16);
        }
    }
}

/**************************************************************************************************
Main (the main function)
**************************************************************************************************/
#ifndef PLATFORM_WINDOWS
int main(int argc, char * argv[])
#else
int _tmain(int argc, TCHAR * argv[])
#endif
{
    // variable declares
    CSmartPtr<wchar_t> spInputFilename; CSmartPtr<wchar_t> spOutputFilename;
    int nRetVal = ERROR_UNDEFINED;
    int nMode = UNDEFINED_MODE;
    int nCompressionLevel = 0;
    int nPercentageDone;

    // initialize
    #ifdef PLATFORM_WINDOWS
        SetErrorMode(SetErrorMode(0x0003) | 0x0003);
        SetConsoleCtrlHandler(CtrlHandlerCallback, TRUE);
    #endif

    // output the header
    fwprintf(stderr, CONSOLE_NAME);

    // make sure there are at least four arguments (could be more for EAC compatibility)
    if (argc < 3)
    {
        DisplayProperUsage(stderr);
        exit(-1);
    }

    // store the filenames
    #ifdef PLATFORM_WINDOWS
        #ifdef _UNICODE
            spInputFilename.Assign(argv[1], TRUE, FALSE);
            spOutputFilename.Assign(argv[2], TRUE, FALSE);
        #else
            spInputFilename.Assign(CAPECharacterHelper::GetUTF16FromANSI(argv[1]), TRUE);
            spOutputFilename.Assign(CAPECharacterHelper::GetUTF16FromANSI(argv[2]), TRUE);
        #endif
    #else
        spInputFilename.Assign(CAPECharacterHelper::GetUTF16FromUTF8((str_utf8 *) argv[1]), TRUE);
        spOutputFilename.Assign(CAPECharacterHelper::GetUTF16FromUTF8((str_utf8 *) argv[2]), TRUE);
    #endif

    // verify that the input file exists
    if (!FileExists(spInputFilename))
    {
        fwprintf(stderr, L"Input File Not Found...\n\n");
        exit(-1);
    }

    // if the output file equals '-v', then use this as the next argument
    CSmartPtr<wchar_t> spMode;
    #ifdef PLATFORM_WINDOWS
        #ifdef _UNICODE
            spMode.Assign(argv[2], TRUE, FALSE);
        #else
            spMode.Assign(CAPECharacterHelper::GetUTF16FromANSI(argv[2]), TRUE);
        #endif
    #else
        spMode.Assign(CAPECharacterHelper::GetUTF16FromUTF8((str_utf8 *) argv[2]), TRUE);
    #endif

    wchar_t cMode[3];
    APE_CLEAR(cMode);
    cMode[0] = spMode[0];
    cMode[1] = (spMode[0] == 0) ? wchar_t(0) : spMode[1];

    if ((_wcsicmp(cMode, L"-v") != 0) &&
        (_wcsicmp(cMode, L"-t") != 0) &&
        (_wcsicmp(cMode, L"-r") != 0) &&
        (_wcsicmp(cMode, L"-L") != 0))
    {
        // verify, tag, and remove tag don't use at least the third argument
        if (argc < 4)
        {
            DisplayProperUsage(stderr);
            exit(-1);
        }

        // check for and skip if necessary the -b XXXXXX arguments (3,4)
        spMode.Assign(new wchar_t [256], true, true);
        #ifdef PLATFORM_WINDOWS
            #ifdef _UNICODE
                wcsncpy_s(spMode, 256, argv[3], 255);
            #else
                spMode.Assign(CAPECharacterHelper::GetUTF16FromANSI((str_ansi *) argv[3]), TRUE);
            #endif
        #else
            spMode.Assign(CAPECharacterHelper::GetUTF16FromUTF8((str_utf8 *) argv[3]), TRUE);
        #endif
        cMode[0] = spMode[0];
        cMode[1] = (spMode[0] == 0) ? wchar_t(0) : spMode[1];
    }

    // get the mode
    nMode = UNDEFINED_MODE;
    if (_wcsicmp(cMode, L"-c") == 0)
        nMode = COMPRESS_MODE;
    else if (_wcsicmp(cMode, L"-d") == 0)
        nMode = DECOMPRESS_MODE;
    else if (wcscmp(cMode, L"-V") == 0)
        nMode = VERIFY_FULL_MODE;
    else if (wcscmp(cMode, L"-v") == 0)
        nMode = VERIFY_MODE;
    else if (_wcsicmp(cMode, L"-n") == 0)
        nMode = CONVERT_MODE;
    else if (_wcsicmp(cMode, L"-r") == 0)
        nMode = REMOVE_TAG_MODE;
    else if (_wcsicmp(cMode, L"-t") == 0)
        nMode = TAG_MODE;
    else if (_wcsicmp(cMode, L"-L") == 0)
        nMode = CONVERT_TAG_TO_LEGACY;

    // error check the mode
    if (nMode == UNDEFINED_MODE)
    {
        DisplayProperUsage(stderr);
        exit(-1);
    }

    // get and error check the compression level
    if (nMode == COMPRESS_MODE || nMode == CONVERT_MODE)
    {
        nCompressionLevel = _wtoi(&spMode[2]);
        if (nCompressionLevel != 1000 && nCompressionLevel != 2000 &&
            nCompressionLevel != 3000 && nCompressionLevel != 4000 &&
            nCompressionLevel != 5000)
        {
            DisplayProperUsage(stderr);
            return ERROR_UNDEFINED;
        }
    }

    // set the initial tick count
    TICK_COUNT_READ(g_nInitialTickCount);

    // process
    int nKillFlag = 0;
#ifdef APE_SUPPORT_COMPRESS
    if (nMode == COMPRESS_MODE)
    {
        str_utfn cCompressionLevel[16]; APE_CLEAR(cCompressionLevel);
        GetAPECompressionLevelName(nCompressionLevel, cCompressionLevel, 16, false);

        fwprintf(stderr, L"Compressing (%ls)...\n", cCompressionLevel);

        // build the output filename
        HandleAuto(spInputFilename, spOutputFilename, true);

        // compress
        nRetVal = CompressFileW(spInputFilename, spOutputFilename, nCompressionLevel, &nPercentageDone, ProgressCallback, &nKillFlag);

        // tag
        #ifdef PLATFORM_WINDOWS
        if ((nRetVal == ERROR_SUCCESS) && (argc > 5) && (_tcsicmp(argv[4], _T("-t")) == 0))
        #else
        if ((nRetVal == ERROR_SUCCESS) && (argc > 5) && (strcasecmp(argv[4], "-t") == 0))
        #endif
        {
            fwprintf(stderr, L"\nTagging...\n");
            #ifdef PLATFORM_WINDOWS
                #ifdef _UNICODE
                    nRetVal = Tag(spOutputFilename, argv[5]);
                #else
                    CSmartPtr<wchar_t> spTag;
                    spTag.Assign(CAPECharacterHelper::GetUTF16FromANSI((str_ansi *) argv[5]), TRUE);
                    nRetVal = Tag(spOutputFilename, spTag);
                #endif
            #else
                CSmartPtr<wchar_t> spTag;
                spTag.Assign(CAPECharacterHelper::GetUTF16FromUTF8((str_utf8 *) argv[5]), TRUE);
                nRetVal = Tag(spOutputFilename, spTag);
            #endif
        }
    }
    else
#endif
    if (nMode == DECOMPRESS_MODE)
    {
        fwprintf(stderr, L"Decompressing...\n");

        // build the output filename
        HandleAuto(spInputFilename, spOutputFilename, false);

        // decompress
        nRetVal = DecompressFileW(spInputFilename, spOutputFilename, &nPercentageDone, ProgressCallback, &nKillFlag);
    }
    else if (nMode == VERIFY_MODE)
    {
        fwprintf(stderr, L"Verifying...\n");
        nRetVal = VerifyFileW(spInputFilename, &nPercentageDone, ProgressCallback, &nKillFlag, true);
    }
    else if (nMode == VERIFY_FULL_MODE)
    {
        fwprintf(stderr, L"Full verifying...\n");
        nRetVal = VerifyFileW(spInputFilename, &nPercentageDone, ProgressCallback, &nKillFlag, false);
    }
    else if (nMode == CONVERT_MODE)
    {
        fwprintf(stderr, L"Converting...\n");
        nRetVal = ConvertFileW(spInputFilename, spOutputFilename, nCompressionLevel, &nPercentageDone, ProgressCallback, &nKillFlag);
    }
    else if (nMode == TAG_MODE)
    {
        fwprintf(stderr, L"Tagging...\n");
        #ifdef PLATFORM_WINDOWS
            #ifdef _UNICODE
                nRetVal = Tag(spInputFilename, argv[3]);
            #else
                CSmartPtr<wchar_t> spTag;
                spTag.Assign(CAPECharacterHelper::GetUTF16FromANSI((str_ansi *) argv[3]), TRUE);
                nRetVal = Tag(spInputFilename, spTag);
            #endif
        #else
            CSmartPtr<wchar_t> spTag;
            spTag.Assign(CAPECharacterHelper::GetUTF16FromUTF8((str_utf8 *) argv[3]), TRUE);
            nRetVal = Tag(spInputFilename, spTag);
        #endif
    }
    else if (nMode == REMOVE_TAG_MODE)
    {
        fwprintf(stderr, L"Removing tags...\n");
        nRetVal = RemoveTags(spInputFilename);
    }
    else if (nMode == CONVERT_TAG_TO_LEGACY)
    {
        fwprintf(stderr, L"Converting tag to ID3v1...\n");
        nRetVal = ConvertTagsToLegacy(spInputFilename);
    }

    if (nRetVal == ERROR_SUCCESS)
        fwprintf(stderr, L"\nSuccess\n");
    else
        fwprintf(stderr, L"\nError: %i\n", nRetVal);

    return nRetVal;
}
