#include "calculator_c_interface_lib.h"
#include "local_git_repository.h"
#include "git_library.h"

//#include <git2/common.h>

#include <QMap>
#include <QString>
#include <QDir>
#include <QFile>
#include <QByteArray>
#include <QRegularExpression>
#include <QRegularExpressionMatch>
#include <mutex>


#include <git2.h>
#include <stdio.h>
#include <stdint.h>
#include <algorithm>

//static QMap<QString, git_repository *> customerRepoMap;
//static std::mutex m;

#ifndef _WIN32
# include <unistd.h>
#endif
#include <errno.h>

#ifdef __cplusplus
extern "C" {
#endif


TariffCalculatorHandle NewTariffCalculator(void) {
    return new TariffCalculator();
}

void DeleteTariffCalculator(TariffCalculatorHandle handle) {
    delete handle;
}

int InitGitLibraryInternal(void) {
    return GitLibrary::Init();
}

int ShutdownGitLibraryInternal(void) {
    LocalGitRepository::DestroyAllRepositories();
    return GitLibrary::Shutdown();
}

int CloneRepositoryInternal(char const *url, char const *local_path) {
    return GitLibrary::CloneRepository(url, local_path);
}

int CheckoutRepositoryInternal(char const *url, char const *localRepoName, char const *branchName) {
    return GitLibrary::CheckoutRepository(url, localRepoName, branchName);
}

int CommitFileInternal(char const *localRepoName, char const *branchName,
                       char const *fName, char const *commitMessage) {
    return GitLibrary::CommitFile(localRepoName, branchName, fName, commitMessage);
}

int PushRepositoryInternal(char const *localRepoName, char const *branchName,
                           char const *userName, char const *userPassword) {
    return GitLibrary::PushRepository(localRepoName, branchName, userName, userPassword);
}

int PullRepositoryInternal(char const *localRepoName, char const *remoteRepoName) {
    return GitLibrary::PullRepository(localRepoName, remoteRepoName);
}

#include <local_git_repository.h>


void SetReposRootDirectoryInternal(char const *p) {
    LocalGitRepository::SetReposRootDirectory(QString::fromUtf8(p));
}

char const *GetReposRootDirectoryInternal() {
    return (char const *)LocalGitRepository::GetReposRootDirectory().constData();
}

char const *GetLocalRepositoryPathInternal(char const *localGitRepo) {
    return (char const *)LocalGitRepository::GetInstance(localGitRepo)->localRepositoryPath().constData();
}

int32_t GetFileMenuSizeInternal(char const *localGitRepo) {
    return LocalGitRepository::GetInstance(localGitRepo)->GetFileMenuSizeInternal();
}

char const *GetFileMenuInternal(const char *localGitRepo) {
    QByteArray const &a = LocalGitRepository::GetInstance(localGitRepo)->GetFileMenuInternal().constData();
    if (a.isValidUtf8()) {
        int const len = GetFileMenuSizeInternal(localGitRepo);
        if (len > 0) {
            char *json = new char [len+1];
            // fprintf(stderr, "allocate pointer %p\n", json);
            memset(json, 0x00, len+1);
            memcpy(json, a.constData(), std::min(len, (int)a.size()));
            return json;
        }
    }
    return nullptr;
}


char const *GetFileNameInternal(char const *localGitRepo, char const *fileId) {
    QByteArray const &a = LocalGitRepository::GetInstance(localGitRepo)->GetFileNameInternal(fileId);
    if (a.isValidUtf8()) {
        char *c = new char[a.size() + 1];
        memset(c, 0x00, a.size() + 1);
        memcpy(c, a.constData(), a.size());
        return c;
    }
    return nullptr;
}

int32_t GetFileSize(char const *localGitRepo, char const *fileId) {
    return LocalGitRepository::GetInstance(localGitRepo)->GetFileSize(fileId);
}

char const *GetFileInternal(char const *localGitRepo, char const *fileId) {
    QByteArray const &a = LocalGitRepository::GetInstance(localGitRepo)->GetFileInternal(fileId);
    if (a.isValidUtf8()) {
        char *c = new char[a.size() + 1];
        memset(c, 0x00, a.size() + 1);
        memcpy(c, a.constData(), a.size());
        return c;
    }
    return nullptr;
}

bool SetFileInternal(char const *localGitRepo, char const *fileId, char const *json, int size) {
    return LocalGitRepository::GetInstance(localGitRepo)->SetFileInternal(QString(fileId), QByteArray(json, size));
}

void DeleteMem(char *p) {
    if (p) {
        // fprintf(stderr, "delete pointer %p\n", p);
        delete p;
    }
}

#ifdef __cplusplus
}
#endif