/*
  Copyright 2010 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/>.
*/

#include "GridAccount.h"

#define SET_ROW_COLOR(row, color)  for(int i=0; i<NUMBER_COLS_OPS; i++)	\
    {									\
        SetCellBackgroundColour(row, i, color);                         \
    }

#define SET_ROW_FONT(row, font)  for(int i=0; i<NUMBER_COLS_OPS; i++) \
    {									\
        SetCellFont(row, i, font);        \
    }

#define UNESCAPE_CHARS(s) {                             \
            s.Replace(wxT("\\\""), wxT("\""), true);    \
            s.Replace(wxT("\\\'"), wxT("\'"), true);    \
    }

BEGIN_EVENT_TABLE(GridAccount, wxGrid)
EVT_GRID_CELL_LEFT_CLICK(GridAccount::OnCellLeftClick ) 
END_EVENT_TABLE()

GridAccount::GridAccount(KissCount* kiss, wxWindow *parent, wxWindowID id) : wxGrid(parent, id),
                                                                             _fixCosts(0), _week1(0), _week2(0), _week3(0), _week4(0), _kiss(kiss)
{
    wxBitmap deleteBitmap(wxT(DELETE_ICON));
    wxBitmap checkedBitmap(wxT(CHECKED_ICON));
    DEFAULT_FONT(font);
    int i;
    User* user = _kiss->GetUser();
    std::vector<Account>::iterator accountIt;
    std::vector<Category>::iterator categoryIt;

    CreateGrid(1, NUMBER_COLS_OPS);
    SetColLabelSize(0);
    SetRowLabelSize(0);

    SetColSize (0, GetColSize(0)*3);
    SetDefaultCellFont(font);

    font.SetWeight(wxFONTWEIGHT_BOLD);
    wxString colsName[] = {_("Description"), _("Date"), _("Debit"), _("Credit"), _("Category"), _("Account"), wxT(""), wxT("")};
    for(i=0; i<NUMBER_COLS_OPS; i++)
    {
        SetCellValue(0, i, colsName[i]);
        SetCellBackgroundColour(0, i, OWN_CYAN);
        SetCellFont(0, i, font);
        SetReadOnly(0, i, true);
        SetCellAlignment(0, i, wxALIGN_CENTRE, wxALIGN_CENTRE);
    }
    SetCellRenderer(0, DELETE, new wxGridCellBitmapRenderer(deleteBitmap));
    SetCellRenderer(0, CHECKED, new wxGridCellBitmapRenderer(checkedBitmap));

    _accounts = new wxString[user->GetAccountsNumber()];
    for (i=0, 
             accountIt = user->_accounts.begin();
         accountIt != user->_accounts.end();
         accountIt++, i++)
        _accounts[i] = accountIt->name;

    _categories = new wxString[user->GetCategoriesNumber()] ;
    for(i=0, categoryIt = user->_categories.begin(); 
        categoryIt != user->_categories.end(); 
        categoryIt++, i++)
    {
        _categories[i] = categoryIt->name ;
    }

}

GridAccount::~GridAccount()
{
    delete[] _categories;
    delete[] _accounts;
}

wxPen GridAccount::GetColGridLinePen (int col) 
{return wxPen(*wxBLACK, 1, wxSOLID);} 

wxPen GridAccount::GetRowGridLinePen (int row) {
    if (row == 0 || row == _fixCosts ||
        row == _week1 ||
        row == _week2 ||
        row == _week3 ||
        row == _week4)
        return wxPen(*wxBLACK, 1, wxSOLID);
    
    return GetCellBackgroundColour(row, 0);
} 

void GridAccount::SetWeek(int week, int line) {
    switch (week) {
    case 1: _week1 = line; break;
    case 2: _week2 = line; break;
    case 3: _week3 = line; break;
    case 4: _week4 = line; break;
    }
}

void GridAccount::InsertOperation(User* user, Operation* op, int line, bool fix, int curMonth, int curYear)
{
    std::vector<Operation>::iterator it;
    int r, g, b;
    wxColour color;
    wxDateTime curDate;
    wxString description;
    wxFont font;
    Category cat ;

    curDate.SetToCurrent();

    if (!op && !user->_accounts.size()) return;

    InsertRows(line, 1);

    SetCellEditor(line, DEBIT, new wxGridCellFloatEditor(wxID_ANY, 2));
    SetCellEditor(line, CREDIT, new wxGridCellFloatEditor(wxID_ANY, 2));
    wxGridCellChoiceEditor* accountEditor = new wxGridCellChoiceEditor(user->GetAccountsNumber(), _accounts, false);
    SetCellEditor(line, ACCOUNT, accountEditor);
    wxGridCellChoiceEditor* categoryEditor = new wxGridCellChoiceEditor(user->GetCategoriesNumber()-1, _categories+1, false);
    SetCellEditor(line, CATEGORY, categoryEditor);

    if (fix)
    {
        SetCellValue(line, CATEGORY, _("Fix"));
        SetReadOnly(line, CATEGORY);
    }

    if (op)
    {
        cat = user->GetCategory(op->category);

        SetCellEditor(line, DATE, new CalendarEditor(op->day, op->month, op->year));    
        description = op->description;
        UNESCAPE_CHARS(description);
        SetCellValue(line, DESCRIPTION, description);
        SetCellValue(line, DATE, wxString::Format(wxT("%02d/%02d/%d"), op->day+1, op->month+1, op->year));
        if (op->amount < 0)
            SetCellValue(line, DEBIT, wxString::Format(wxT("%.2lf"), -op->amount));
        else
            SetCellValue(line, CREDIT, wxString::Format(wxT("%.2lf"), op->amount));
        SetCellValue(line, ACCOUNT, user->GetAccountName(op->account));
        if (!fix)
            SetCellValue(line, CATEGORY, user->GetCategoryName(op->category));
        SetCellRenderer(line, DELETE, new wxGridCellBoolRenderer ());
        SetCellEditor(line, DELETE, new wxGridCellBoolEditor ());
        SetCellRenderer(line, CHECKED, new wxGridCellBoolRenderer ());
        SetCellEditor(line, CHECKED, new wxGridCellFastBoolEditor ());

        color = cat.color;

        if (op->checked)
	{
            r = ((color.Red()*1.5) >= 0xFF) ? 0xFF : color.Red()*1.5 ; 
            g = ((color.Green()*1.5) >= 0xFF) ? 0xFF : color.Green()*1.5 ; 
            b = ((color.Blue()*1.5) >= 0xFF) ? 0xFF : color.Blue()*1.5 ; 
            color.Set(r, g, b, color.Alpha());
            SetCellValue(line, CHECKED, wxT("1"));
	}

        SET_ROW_COLOR(line, color);
        if (cat.font.Length())
        {
            font = user->GetCategoryFont(cat.id);
            SET_ROW_FONT(line, font);
        }
    }
    else
    {
        SetCellEditor(line, DATE, new CalendarEditor(0, curMonth, curYear));
        if (!fix &&
            curDate.GetMonth() == curMonth &&
            curDate.GetYear() == curYear)
	{
            SetCellValue(line, DATE, wxString::Format(wxT("%02d/%02d/%d"), curDate.GetDay(), curMonth+1, curYear));
            SetCellEditor(line, DATE, new CalendarEditor(curDate.GetDay()-1, curMonth, curYear));
	}
        else
            SetCellEditor(line, DATE, new CalendarEditor(0, curMonth, curYear));
	
        if (fix)
        {
            SET_ROW_COLOR(line, OWN_YELLOW);
        }
        else
        {
            SET_ROW_COLOR(line, OWN_GREEN);
        }

        SetReadOnly(line, CHECKED, true);
        SetReadOnly(line, DELETE, true);
    }
    
    SetCellAlignment(line, DEBIT, wxALIGN_RIGHT, wxALIGN_CENTRE);
    SetCellAlignment(line, CREDIT, wxALIGN_RIGHT, wxALIGN_CENTRE);
    SetCellAlignment(line, DELETE, wxALIGN_CENTRE, wxALIGN_CENTRE);
    SetCellAlignment(line, CHECKED, wxALIGN_CENTRE, wxALIGN_CENTRE);

    AutoSizeRow(line);

    Layout();
    SetMinSize(GetMinSize());
}

// From http://nomadsync.cvs.sourceforge.net/nomadsync/nomadsync/src/
void GridAccount::OnCellLeftClick(wxGridEvent& evt)
{
    if (evt.GetCol() != DELETE && evt.GetCol() != CHECKED) { evt.Skip() ; return;}

    // This forces the cell to go into edit mode directly
    //m_waitForSlowClick = TRUE;
    SetGridCursor(evt.GetRow(), evt.GetCol());
    // Store the click co-ordinates in the editor if possible
    // if an editor has created a ClientData area, we presume it's
    // a wxPoint and we store the click co-ordinates
    wxGridCellEditor* pEditor = GetCellEditor(evt.GetRow(), evt.GetCol());
    wxPoint* pClickPoint = (wxPoint*)pEditor->GetClientData();
    if (pClickPoint)
    {
 	*pClickPoint = ClientToScreen(evt.GetPosition());
#ifndef __WINDOWS__
 	EnableCellEditControl(true);
#endif
    }
    // hack to prevent selection from being lost when click combobox
    if (evt.GetCol() == 0 && IsInSelection(evt.GetRow(), evt.GetCol()))
    {
 	//m_selTemp = m_selection;
 	m_selection = NULL;
    }
    pEditor->DecRef();
    evt.Skip();
}