#include "Main.h"
#include "PakFile_v1.h"
#include <windows.h>

using namespace std;


Statistics mpakDump_v1(FILE* f, const std::string& name)
{
    u32 i;
    MPakHeader h;
    Statistics out;
    fseek(f, 0, SEEK_SET);

    fread(&h, sizeof(h), 1, f);
    toWORD(h.version1);
    toWORD(h.version2);
    toDWORD(h.size);

    assert(h.version1 == 3);
    assert(h.version2 == 5);
    assert(h.size     == 0);

    //read name entry header
    EntryHeader neh;
    fread(&neh, sizeof(neh), 1, f);
    toDWORD(neh.entryCount);

    cout << hex;
    vector<NameEntry> ne;
    ne.resize(neh.entryCount);
    vector<string> names;
    names.resize(neh.entryCount);
    //output name entries
    if (bVerbose)
        cout << string(70, '-') << endl
        << neh.entryCount << " name entries: " << endl;
    for (i = 0; i < neh.entryCount; ++i)
    {
        fread(&ne[i], sizeof(NameEntry), 1, f);
        toDWORD(ne[i].id);
        toDWORD(ne[i].nameLength);

        char name[1000] = {0};
        fread(name, 1, ne[i].nameLength, f);
        names[i] = name;
        if (bVerbose)
        {
            cout << string(ne[i].tag, 4) << " " << ne[i].id << " "
            << string(name, ne[i].nameLength) << endl;
        }
    }

    //read entry header
    EntryHeader eh;
    fread(&eh, sizeof(eh), 1, f);
    toDWORD(eh.entryCount);

    //output entries
    if (bVerbose)
    {
        cout << string(70, '-') << endl
        << eh.entryCount << " entries: " << endl;
    }
    int count = 0;
    for (i = 0; i < eh.entryCount; ++i)
    {
        string fname = string("");
        Entry e;
        fread(&e, sizeof(e), 1, f);
        toDWORD(e.isCompressed);

        toDWORD(e.id);
        for (u32 ii = 0; ii < neh.entryCount; ii++)
        {
            if (e.id == ne[ii].id)
            {
                fname = names[ii].c_str();
                break;
            }
        }
        toDWORD(e.length);
        toDWORD(e.offset);

        assert(e.isCompressed == 0 || e.isCompressed == 1);
        count += e.isCompressed;

        //dump file
        std::ostringstream nameStream;
        nameStream << name << hex << "\\" << e.isCompressed << "_"  << e.id << "."
            << string(e.tag, 4);

        if (!bQuiet)
        {
            if (bVerbose)
                cout << fixed << hex << "\rCurrent File " << e.id << "." << string(e.tag, 4);
            else
                cout << "\rFile " << dec <<  fixed << (i+1) << " of " << eh.entryCount << " " << setprecision(2)<< ((float)((i+1)*100)/eh.entryCount) << "% Complete";
        }
        dumpFile(nameStream.str(), f, e.offset, e.length);
    }
    cout << dec << endl;
    out.numFiles = eh.entryCount;
    out.numNames = neh.entryCount;
    out.numCompressed = count;
    return out;
}