// Copyright 2014 PDFium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

// Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com

#include "xfa/fxfa/parser/cxfa_nodelocale.h"

#include <utility>

#include "core/fxcrt/xml/cxml_element.h"
#include "xfa/fxfa/parser/cxfa_document.h"
#include "xfa/fxfa/parser/cxfa_localemgr.h"
#include "xfa/fxfa/parser/cxfa_node.h"
#include "xfa/fxfa/parser/cxfa_timezoneprovider.h"
#include "xfa/fxfa/parser/xfa_utils.h"

namespace {

const wchar_t g_FX_Percent[] = L"z,zzz,zzz,zzz,zzz,zzz%";
const wchar_t g_FX_Currency[] = L"$z,zzz,zzz,zzz,zzz,zz9.99";
const wchar_t g_FX_Decimal[] = L"z,zzz,zzz,zzz,zzz,zz9.zzz";
const wchar_t g_FX_Integer[] = L"z,zzz,zzz,zzz,zzz,zzz";

}  // namespace

WideString XFA_PatternToString(FX_LOCALENUMSUBCATEGORY category) {
  switch (category) {
    case FX_LOCALENUMPATTERN_Percent:
      return g_FX_Percent;
    case FX_LOCALENUMPATTERN_Currency:
      return g_FX_Currency;
    case FX_LOCALENUMPATTERN_Decimal:
      return g_FX_Decimal;
    case FX_LOCALENUMPATTERN_Integer:
      return g_FX_Integer;
  }
  return WideString();
}

CXFA_NodeLocale::CXFA_NodeLocale(CXFA_Node* pLocale) : m_pLocale(pLocale) {}

CXFA_NodeLocale::~CXFA_NodeLocale() {}

WideString CXFA_NodeLocale::GetName() const {
  return WideString(m_pLocale ? m_pLocale->GetCData(XFA_ATTRIBUTE_Name)
                              : nullptr);
}

WideString CXFA_NodeLocale::GetNumbericSymbol(FX_LOCALENUMSYMBOL eType) const {
  switch (eType) {
    case FX_LOCALENUMSYMBOL_Decimal:
      return GetSymbol(XFA_Element::NumberSymbols, L"decimal");
    case FX_LOCALENUMSYMBOL_Grouping:
      return GetSymbol(XFA_Element::NumberSymbols, L"grouping");
    case FX_LOCALENUMSYMBOL_Percent:
      return GetSymbol(XFA_Element::NumberSymbols, L"percent");
    case FX_LOCALENUMSYMBOL_Minus:
      return GetSymbol(XFA_Element::NumberSymbols, L"minus");
    case FX_LOCALENUMSYMBOL_Zero:
      return GetSymbol(XFA_Element::NumberSymbols, L"zero");
    case FX_LOCALENUMSYMBOL_CurrencySymbol:
      return GetSymbol(XFA_Element::CurrencySymbols, L"symbol");
    case FX_LOCALENUMSYMBOL_CurrencyName:
      return GetSymbol(XFA_Element::CurrencySymbols, L"isoname");
  }
  return WideString();
}

WideString CXFA_NodeLocale::GetDateTimeSymbols() const {
  CXFA_Node* pSymbols =
      m_pLocale ? m_pLocale->GetChild(0, XFA_Element::DateTimeSymbols)
                : nullptr;
  return pSymbols ? pSymbols->GetContent() : WideString();
}

WideString CXFA_NodeLocale::GetMonthName(int32_t nMonth, bool bAbbr) const {
  return GetCalendarSymbol(XFA_Element::MonthNames, nMonth, bAbbr);
}

WideString CXFA_NodeLocale::GetDayName(int32_t nWeek, bool bAbbr) const {
  return GetCalendarSymbol(XFA_Element::DayNames, nWeek, bAbbr);
}

WideString CXFA_NodeLocale::GetMeridiemName(bool bAM) const {
  return GetCalendarSymbol(XFA_Element::MeridiemNames, bAM ? 0 : 1, false);
}

FX_TIMEZONE CXFA_NodeLocale::GetTimeZone() const {
  return CXFA_TimeZoneProvider().GetTimeZone();
}

WideString CXFA_NodeLocale::GetEraName(bool bAD) const {
  return GetCalendarSymbol(XFA_Element::EraNames, bAD ? 1 : 0, false);
}

WideString CXFA_NodeLocale::GetDatePattern(
    FX_LOCALEDATETIMESUBCATEGORY eType) const {
  switch (eType) {
    case FX_LOCALEDATETIMESUBCATEGORY_Short:
      return GetSymbol(XFA_Element::DatePatterns, L"short");
    case FX_LOCALEDATETIMESUBCATEGORY_Medium:
    case FX_LOCALEDATETIMESUBCATEGORY_Default:
      return GetSymbol(XFA_Element::DatePatterns, L"med");
    case FX_LOCALEDATETIMESUBCATEGORY_Full:
      return GetSymbol(XFA_Element::DatePatterns, L"full");
    case FX_LOCALEDATETIMESUBCATEGORY_Long:
      return GetSymbol(XFA_Element::DatePatterns, L"long");
  }
  return WideString();
}

WideString CXFA_NodeLocale::GetTimePattern(
    FX_LOCALEDATETIMESUBCATEGORY eType) const {
  switch (eType) {
    case FX_LOCALEDATETIMESUBCATEGORY_Short:
      return GetSymbol(XFA_Element::TimePatterns, L"short");
    case FX_LOCALEDATETIMESUBCATEGORY_Medium:
    case FX_LOCALEDATETIMESUBCATEGORY_Default:
      return GetSymbol(XFA_Element::TimePatterns, L"med");
    case FX_LOCALEDATETIMESUBCATEGORY_Full:
      return GetSymbol(XFA_Element::TimePatterns, L"full");
    case FX_LOCALEDATETIMESUBCATEGORY_Long:
      return GetSymbol(XFA_Element::TimePatterns, L"long");
  }
  return WideString();
}

WideString CXFA_NodeLocale::GetNumPattern(FX_LOCALENUMSUBCATEGORY eType) const {
  return XFA_PatternToString(eType);
}

CXFA_Node* CXFA_NodeLocale::GetNodeByName(CXFA_Node* pParent,
                                          const WideStringView& wsName) const {
  CXFA_Node* pChild =
      pParent ? pParent->GetNodeItem(XFA_NODEITEM_FirstChild) : nullptr;
  while (pChild) {
    WideString wsChild;
    if (pChild->GetAttribute(XFA_ATTRIBUTE_Name, wsChild)) {
      if (wsChild == wsName)
        return pChild;
    }
    pChild = pChild->GetNodeItem(XFA_NODEITEM_NextSibling);
  }
  return nullptr;
}

WideString CXFA_NodeLocale::GetSymbol(XFA_Element eElement,
                                      const WideStringView& symbol_type) const {
  CXFA_Node* pSymbols = m_pLocale ? m_pLocale->GetChild(0, eElement) : nullptr;
  CXFA_Node* pSymbol = GetNodeByName(pSymbols, symbol_type);
  return pSymbol ? pSymbol->GetContent() : WideString();
}

WideString CXFA_NodeLocale::GetCalendarSymbol(XFA_Element eElement,
                                              int index,
                                              bool bAbbr) const {
  CXFA_Node* pCalendar =
      m_pLocale ? m_pLocale->GetChild(0, XFA_Element::CalendarSymbols)
                : nullptr;
  if (!pCalendar)
    return WideString();

  CXFA_Node* pNode = pCalendar->GetFirstChildByClass(eElement);
  for (; pNode; pNode = pNode->GetNextSameClassSibling(eElement)) {
    if (pNode->GetBoolean(XFA_ATTRIBUTE_Abbr) == bAbbr) {
      CXFA_Node* pSymbol = pNode->GetChild(index, XFA_Element::Unknown);
      return pSymbol ? pSymbol->GetContent() : WideString();
    }
  }
  return WideString();
}