/*  Starshatter OpenSource Distribution
    Copyright (c) 1997-2004, Destroyer Studios LLC.
    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.
    * Neither the name "Destroyer Studios" nor the names of its contributors
      may be used to endorse or promote products derived from this software
      without specific prior written permission.

    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 HOLDER 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.

SUBSYSTEM:    DataFile.exe
FILE:         main.cpp
AUTHOR:       John DiCamillo

*/

#include <stdlib.h>
#include <stdio.h>
#include <string>
#include <math.h>
#include <time.h>
#include <windows.h>
#include <windowsx.h>
#include "Archive.h"

//#define MOD_MAKER 1

// +------------------------------------------------------------------+

void insertFile(DataArchive& a, const char* sPath, WIN32_FIND_DATA* find)
{
    char    sFile[256];
    char    sFlat[256];
    std::string    sTemp;
    DWORD    find_attrib_forbidden =
        FILE_ATTRIBUTE_DIRECTORY |
        FILE_ATTRIBUTE_HIDDEN    |
        FILE_ATTRIBUTE_SYSTEM    |
        FILE_ATTRIBUTE_OFFLINE;

        if (sPath && *sPath) {
            sTemp = sPath;
            sTemp += '/';
            WideCharToMultiByte(CP_ACP,0,find->cFileName,-1, sFile,260, NULL, NULL);
            sTemp += sFile;
            strcpy(sFile, sTemp.c_str());
        } else {
            WideCharToMultiByte(CP_ACP,0,find->cFileName,-1, sFile,260, NULL, NULL);
        }


    if (find->dwFileAttributes & find_attrib_forbidden) {
        printf("   Skipping:  %-48s \n", sFile);
        return;
    }

    int n = strlen(sFile);

    if (n >= NAMELEN) {
        printf("   Skipping:  %-48s (NAME TOO LONG!)\n", sFile);
        return;
    }

    for (int i = 0; i < n; i++)
        sFlat[i] = tolower(sFile[i]);

    if (strstr(sFlat, ".exe")) {
        printf("   Skipping:  %-48s (executable file)\n", sFile);
    }
    else if (strstr(sFlat, ".cmd")) {
        printf("   Skipping:  %-48s (executable file)\n", sFile);
    }
    else if (strstr(sFlat, ".bat")) {
        printf("   Skipping:  %-48s (executable file)\n", sFile);
    }
    else if (strstr(sFlat, ".bin")) {
        printf("   Skipping:  %-48s (unknown file)\n", sFile);
    }
    else if (strstr(sFlat, ".db")) {
        printf("   Skipping:  %-48s (unknown file)\n", sFile);
    }
    else if (strstr(sFlat, ".dat")) {
        printf("   Skipping:  %-48s (data file)\n", sFile);
    }
    else if (strstr(sFlat, ".zip")) {
        printf("   Skipping:  %-48s (zip file)\n", sFile);
    }
    else if (strstr(sFlat, ".arc")) {
        printf("   Skipping:  %-48s (archive file)\n", sFile);
    }
    else if (strstr(sFlat, ".psd")) {
        printf("   Skipping:  %-48s (PSD file)\n", sFile);
    }
    else {
        a.Insert(sFile);
    }
}

// +------------------------------------------------------------------+

void ins(DataArchive& a, int argc, char* argv[])
{
    char  sPath[256];
    char* pDirSep = 0;

    for (int i = 0; i < argc; i++) {
        if (strchr(argv[i], '*')) {
            strcpy(sPath, argv[i]);

            if ((pDirSep = strrchr(sPath, '\\')) != 0)
                *pDirSep = 0;
            else if ((pDirSep = strrchr(sPath, '/')) != 0)
                *pDirSep = 0;
            else
                sPath[0] = 0;

            WIN32_FIND_DATA   find;
            LPCWSTR tmp = (LPCWSTR)argv[i];
            HANDLE h = FindFirstFile(tmp, &find);
            if (h != INVALID_HANDLE_VALUE) {
                insertFile(a, sPath, &find);

                while (FindNextFile(h,&find)) {
                    insertFile(a, sPath, &find);
                }

            FindClose(h);
            }
        }
        else {
            a.Insert(argv[i]);
        }
    }
}

// +--------------------------------------------------------------------+

void build(DataArchive& a, const char* sBasePath);

void buildFile(DataArchive& a, const char* sPath, WIN32_FIND_DATA& find)
{
    if (find.cFileName[0] == '.') {
    } else if (find.dwFileAttributes & FILE_ATTRIBUTE_DIRECTORY) {
        char subdir[256];
        std::string sTemp;
        if (sPath && *sPath) {
            sTemp = sPath;
            sTemp += '/';
            WideCharToMultiByte(CP_ACP,0,find.cFileName,-1, subdir,260, NULL, NULL);
            sTemp += subdir;
            strcpy(subdir, sTemp.c_str());
        }
        else
            WideCharToMultiByte(CP_ACP,0,find.cFileName,-1, subdir,256, NULL, NULL);

        build(a, subdir);
    } else {
        insertFile(a, sPath, &find);
    }
}

void build(DataArchive& a, const char* sBasePath)
{
    char  sPath[256];
    char  sFind[256];

    if (sBasePath && *sBasePath) {
        strcpy(sPath, sBasePath);
        sprintf(sFind, "%s\\*.*", sPath);
    } else {
        sPath[0] = 0;
        strcpy(sFind, "*.*");
    }

    WIN32_FIND_DATA   find;
    std::wstring sTemp;
    std::string sStd = sFind;
    sTemp = ToWideString(sStd);
    HANDLE h = FindFirstFile(sTemp.c_str(), &find);
    if (h != INVALID_HANDLE_VALUE) {
        do buildFile(a, sPath, find);
        while (FindNextFile(h, &find));

    FindClose(h);
    }
}

void mak(DataArchive& a)
{
    build(a, 0);
}

// +--------------------------------------------------------------------+
// for now, pattern must be either "*" or "*.???"

int match(const char* sFile, const char* sPattern)
{
    int   nPatternType = 0;
    char* sExt = 0;

    const int PATTERN_NOWILD         = 0;
    const int PATTERN_STAR           = 1;
    const int PATTERN_STAR_DOT_STAR  = 2;
    const int PATTERN_STAR_DOT_EXT   = 3;

    // what kind of pattern matching?
    if (strchr(sPattern, '*')) {
        if (strchr(sPattern, '.')) {
            if (strcmp(sPattern, "*.*") == 0) {
                nPatternType = PATTERN_STAR_DOT_STAR;
            } else {
                nPatternType = PATTERN_STAR_DOT_EXT;
                sExt = const_cast<char*>(strchr(sPattern, '.'));
            }
        } else {
            nPatternType = PATTERN_STAR;
        }
    }

    int file_matches_pattern = 0;

    switch (nPatternType) {
        case PATTERN_NOWILD:
        default:
            file_matches_pattern = (_stricmp(sFile, sPattern) == 0);
        break;
        
        case PATTERN_STAR:
        case PATTERN_STAR_DOT_STAR:
            file_matches_pattern = 1;
        break;

        case PATTERN_STAR_DOT_EXT:
            file_matches_pattern = (strstr(sFile, sExt) != 0);
        break;
    }

    return file_matches_pattern;
}

void ext(DataArchive& a, int argc, char* argv[])
{
    if (argc) {
        char  sPath[256];
        char  sPatt[256];
        char* pDirSep;
        int   nPath;

        for (int i = 0; i < argc; i++) {
            if (strchr(argv[i], '*')) {
                strcpy(sPath, argv[i]);

                if ((pDirSep = strrchr(sPath, '\\')) != 0) {
                    strcpy(sPatt, pDirSep+1);
                    *pDirSep = 0;
                    nPath = strlen(sPath);
                } else if ((pDirSep = strrchr(sPath, '/')) != 0) {
                    strcpy(sPatt, pDirSep+1);
                    *pDirSep = 0;
                    nPath = strlen(sPath);
                } else {
                    strcpy(sPatt, sPath);
                    sPath[0] = 0;
                    nPath    = 0;
                }

                // for each file in the archive:
                for (unsigned j = 0; j < a.NumFiles(); j++) {
                    DataEntry* pde = a.GetFile(j);

                    if (pde) {
                        // if we are extracting from a sub-directory,
                        if (nPath) {
                            // and this file is in the sub-directory,
                            if (_strnicmp(pde->name, sPath, nPath) == 0) {
                                // and this file matches the pattern:
                                if (match(pde->name+nPath+1, sPatt)) {
                                    char sName[256];
                                    strcpy(sName, pde->name);
                                    a.Extract(sName);
                                }
                            }
                        } else {
                            // if we are extracting from the main directory,
                            // and this file is in the main directory,
                            if (strchr(pde->name, '/') == 0) {
                                // and this file matches the pattern:
                                if (match(pde->name, sPatt)) {
                                    char sName[256];
                                    strcpy(sName, pde->name);
                                    a.Extract(sName);
                                }
                            }
                        }
                    }
                }
            } else {
                // for each file in the archive:
                for (unsigned j = 0; j < a.NumFiles(); j++) {
                    DataEntry* pde = a.GetFile(j);

                    if (pde) {
                        if (_stricmp(pde->name, argv[i]) == 0) {
                            a.Extract(argv[i]);
                        }
                    }
                }
            }
        }
    } else { // full archive extraction:
        for (int i = 0; i < (int)a.NumFiles(); i++)
            a.Extract(a.GetFile(i)->name);
    }
}

void del(DataArchive& a, int argc, char* argv[])
{
    char  sPath[256];
    char  sPatt[256];
    char* pDirSep;
    int   nPath;

    for (int i = 0; i < argc; i++) {
        if (strchr(argv[i], '*')) {
            strcpy(sPath, argv[i]);
    
            if ((pDirSep = strrchr(sPath, '\\')) != 0) {
                strcpy(sPatt, pDirSep+1);
                *pDirSep = 0;
                nPath = strlen(sPath);
            } else if ((pDirSep = strrchr(sPath, '/')) != 0) {
                strcpy(sPatt, pDirSep+1);
                *pDirSep = 0;
                nPath = strlen(sPath);
            } else {
                strcpy(sPatt, sPath);
                sPath[0] = 0;
                nPath    = 0;
            }

            // for each file in the archive:
            for (unsigned j = 0; j < a.NumFiles(); j++) {
                DataEntry* pde = a.GetFile(j);

                if (pde) {
                    // if we are deleting from a sub-directory,
                    if (nPath) {
                        // and this file is in the sub-directory,
                        if (_strnicmp(pde->name, sPath, nPath) == 0) {
                            // and this file matches the pattern:
                            if (match(pde->name+nPath+1, sPatt)) {
                                char sName[256];
                                strcpy(sName, pde->name);
                                a.Remove(sName);
                            }
                        }
                    } else {
                        // if we are deleting from the main directory,
                        // and this file is in the main directory,
                        if (strchr(pde->name, '/') == 0) {
                            // and this file matches the pattern:
                            if (match(pde->name, sPatt)) {
                                char sName[256];
                                strcpy(sName, pde->name);
                                a.Remove(sName);
                            }
                        }
                    }
                }
            }
        } else {
            a.Remove(argv[i]);
        }
    }
}


// +--------------------------------------------------------------------+

void Usage()
{
    printf("Usage: datafile <dat-file> -option <file list>\n");
    printf("options:  -ins  (insert files into datafile)\n");
    printf("          -ext  (extract files from datafile)\n");
    printf("          -del  (delete files from datafile)\n");
    printf("          -mak  (insert all files in current directory and all subdirectories)\n");
    printf("          -list (display list of entries in datafile)\n");
   
    exit(-1);
}

#define OPT_NONE 0
#define OPT_INS  1
#define OPT_EXT  2
#define OPT_DEL  3
#define OPT_MAK  4
#define OPT_LIST 5

int main(int argc, char* argv[])
{
    printf("DATAFILE\n");

    if (argc < 3)
    Usage();

    DataArchive a(argv[1]);
    int option = OPT_NONE;

    if      (!_stricmp(argv[2], "-ins"))    option = OPT_INS;
    else if (!_stricmp(argv[2], "-ext"))    option = OPT_EXT;
    else if (!_stricmp(argv[2], "-del"))    option = OPT_DEL;
    else if (!_stricmp(argv[2], "-mak"))    option = OPT_MAK;
    else if (!_stricmp(argv[2], "-list"))   option = OPT_LIST;

    argc -= 3;
    argv += 3;

    switch (option) {
    default:
        case OPT_NONE:    Usage();             break;
        case OPT_INS:     ins(a, argc, argv);  break;
        case OPT_EXT:     ext(a, argc, argv);  break;
        case OPT_DEL:     del(a, argc, argv);  break;
        case OPT_MAK:     mak(a);              break;
        case OPT_LIST:    a.List();            break;
    }

    return 0;
}