/*
  Copyright 2010-2011 Grégory Soutadé

  This file is part of KissCount.

  KissCount 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
  (at your option) any later version.

  KissCount 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 KissCount.  If not, see <http://www.gnu.org/licenses/>.
*/

#ifndef KISSCOUNT_H
#define KISSCOUNT_H

#include <fstream>
#include <iostream>
#include <list>

#include <model/import/ImportEngine.h>
#include <model/export/ExportEngine.h>
#include <model/model.h>
#include <view/wxUI.h>

#include <wx/display.h>

#define APP_VERSION "0.3"

#define ESCAPE_CHARS(s) {                               \
        if (s.Find(wxT("\\\"")) == wxNOT_FOUND)         \
            s.Replace(wxT("\""), wxT("\\\""), true);    \
        if (s.Find(wxT("\\\'")) == wxNOT_FOUND)         \
            s.Replace(wxT("\'"), wxT("\\\'"), true);    \
    }

#define UNESCAPE_CHARS(s) {                             \
            s.Replace(wxT("\\\""), wxT("\""), true);    \
            s.Replace(wxT("\\\'"), wxT("\'"), true);    \
    }
class wxUI;
class Database;
class ImportEngine;
class ExportEngine;

class KissCount
{
public:
    KissCount(const char* bdd_filename);
    ~KissCount();

    std::list<wxString> GetUsers();
    bool IsValidUser(const wxString& user, const wxString& password);
    void LoadUser(const wxString& user);
    User* GetUser();
    void ChangePassword(const wxString& password);
    bool UserExists(const wxString& name);
    void ChangeName(const wxString& name);
    void NewUser(const wxString& name);

    void LoadYear(int year, bool force=false);

    wxString AddOperation(Operation& op, bool checkTransfert=true);
    void UpdateOperation(Operation& op, bool checkTransfert=true);
    void DeleteOperation(Operation& op);
    void DeleteOperations(int month, int year);
    double MetaAmount(const wxString& id);
    double MetaPositiveAmount(const wxString& id);

    double GetAccountAmount(const wxString& id, int month, int year);
    void SetAccountAmount(const wxString& accountId, int month, int year, double value);
    double CalcAccountAmount(const wxString& id, int month, int year, bool* had_values);

    wxString AddAccount(Account& ac);
    void UpdateAccount(Account& ac);
    void DeleteAccount(Account& ac, const wxString& replacement);
    void AddSharedAccount(Account& ac, const wxString& granted);
    void RemoveSharedAccount(Account& ac, const wxString& granted);
    std::map<wxString, wxString> getSharedAccountOwners(const wxString& account);
    wxString getSharedAccountOwner(const wxString& account);

    wxString AddCategory(Category& category);
    void UpdateCategory(Category& category);
    void DeleteCategory(Category& category, const wxString& replacement);

    std::map<int, std::vector<int> > GetAllOperations();

    void GenerateMonth(int monthFrom, int yearFrom, int monthTo, int yearTo);
    void KillMe();

    void SetLanguage(wxLanguage language);
    void SetOperationOrder(const wxString& order);
    const wxString& GetOperationOrder();

    std::vector<Operation>* Search(wxString* description, wxDateTime* dateFrom, wxDateTime* dateTo,
                                   wxString* amountFrom, wxString* amountTo,
                                   std::vector<wxString> categories, int types, std::vector<wxString> accounts);

    bool SearchPreviousOperation(Operation* res, Operation& op, int month, int year, bool limitToType);

    void GetStats(int monthFrom, int yearFrom, int monthTo, int yearTo, 
                  std::map<wxString, std::map<int, std::map<int, double> > >* accountAmounts, 
                  std::map<wxString, double>* categories);

    void GetMonthStats(int month, int year, int nbDays,
                       std::map<wxString, std::vector<double> >* operations,
                       std::map<wxString, double>* categories);

    std::map<wxString, double>* GetNotChecked(int month, int year);
    std::map<wxString, double>* GetVirtualAmount(int month, int year);

    static wxFont ExtractFont(wxString strFont);
    static wxString CompactFont(const wxFont& font);

    static void RegisterImportEngine(ImportEngine* engine);
    static void UnRegisterImportEngine(ImportEngine* engine);

    wxString GetImportEngineExtensions();
    ImportEngine* GetImportEngine(wxString path);

    static void RegisterExportEngine(ExportEngine* engine);
    static void UnRegisterExportEngine(ExportEngine* engine);

    wxString GetExportEngineExtensions();
    ExportEngine* GetExportEngine(wxString path);

    void UpdateImportPattern();

private:
    wxUI* _wxUI;
    Database* _db;
    User* _user;

    static std::vector<ImportEngine*> *GetImportEngines();
    static std::vector<ExportEngine*> *GetExportEngines();

    static std::vector<ImportEngine*> *_importEngines;
    static std::vector<ExportEngine*> *_exportEngines;
};

#endif