// 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

#ifndef XFA_FXFA_FM2JS_CXFA_FM2JSCONTEXT_H_
#define XFA_FXFA_FM2JS_CXFA_FM2JSCONTEXT_H_

#include <memory>
#include <vector>

#include "fxjs/cfxjse_arguments.h"
#include "fxjs/cfxjse_context.h"
#include "xfa/fxfa/parser/xfa_resolvenode_rs.h"

class CFX_WideTextBuf;
class CXFA_Document;

class CXFA_FM2JSContext : public CFXJSE_HostObject {
 public:
  CXFA_FM2JSContext(v8::Isolate* pScriptIsolate,
                    CFXJSE_Context* pScriptContext,
                    CXFA_Document* pDoc);
  ~CXFA_FM2JSContext() override;

  static void Abs(CFXJSE_Value* pThis,
                  const CFX_ByteStringC& szFuncName,
                  CFXJSE_Arguments& args);
  static void Avg(CFXJSE_Value* pThis,
                  const CFX_ByteStringC& szFuncName,
                  CFXJSE_Arguments& args);
  static void Ceil(CFXJSE_Value* pThis,
                   const CFX_ByteStringC& szFuncName,
                   CFXJSE_Arguments& args);
  static void Count(CFXJSE_Value* pThis,
                    const CFX_ByteStringC& szFuncName,
                    CFXJSE_Arguments& args);
  static void Floor(CFXJSE_Value* pThis,
                    const CFX_ByteStringC& szFuncName,
                    CFXJSE_Arguments& args);
  static void Max(CFXJSE_Value* pThis,
                  const CFX_ByteStringC& szFuncName,
                  CFXJSE_Arguments& args);
  static void Min(CFXJSE_Value* pThis,
                  const CFX_ByteStringC& szFuncName,
                  CFXJSE_Arguments& args);
  static void Mod(CFXJSE_Value* pThis,
                  const CFX_ByteStringC& szFuncName,
                  CFXJSE_Arguments& args);
  static void Round(CFXJSE_Value* pThis,
                    const CFX_ByteStringC& szFuncName,
                    CFXJSE_Arguments& args);
  static void Sum(CFXJSE_Value* pThis,
                  const CFX_ByteStringC& szFuncName,
                  CFXJSE_Arguments& args);
  static void Date(CFXJSE_Value* pThis,
                   const CFX_ByteStringC& szFuncName,
                   CFXJSE_Arguments& args);
  static void Date2Num(CFXJSE_Value* pThis,
                       const CFX_ByteStringC& szFuncName,
                       CFXJSE_Arguments& args);
  static void DateFmt(CFXJSE_Value* pThis,
                      const CFX_ByteStringC& szFuncName,
                      CFXJSE_Arguments& args);
  static void IsoDate2Num(CFXJSE_Value* pThis,
                          const CFX_ByteStringC& szFuncName,
                          CFXJSE_Arguments& args);
  static void IsoTime2Num(CFXJSE_Value* pThis,
                          const CFX_ByteStringC& szFuncName,
                          CFXJSE_Arguments& args);
  static void LocalDateFmt(CFXJSE_Value* pThis,
                           const CFX_ByteStringC& szFuncName,
                           CFXJSE_Arguments& args);
  static void LocalTimeFmt(CFXJSE_Value* pThis,
                           const CFX_ByteStringC& szFuncName,
                           CFXJSE_Arguments& args);
  static void Num2Date(CFXJSE_Value* pThis,
                       const CFX_ByteStringC& szFuncName,
                       CFXJSE_Arguments& args);
  static void Num2GMTime(CFXJSE_Value* pThis,
                         const CFX_ByteStringC& szFuncName,
                         CFXJSE_Arguments& args);
  static void Num2Time(CFXJSE_Value* pThis,
                       const CFX_ByteStringC& szFuncName,
                       CFXJSE_Arguments& args);
  static void Time(CFXJSE_Value* pThis,
                   const CFX_ByteStringC& szFuncName,
                   CFXJSE_Arguments& args);
  static void Time2Num(CFXJSE_Value* pThis,
                       const CFX_ByteStringC& szFuncName,
                       CFXJSE_Arguments& args);
  static void TimeFmt(CFXJSE_Value* pThis,
                      const CFX_ByteStringC& szFuncName,
                      CFXJSE_Arguments& args);

  static bool IsIsoDateFormat(const char* pData,
                              int32_t iLength,
                              int32_t& iStyle,
                              int32_t& iYear,
                              int32_t& iMonth,
                              int32_t& iDay);
  static bool IsIsoTimeFormat(const char* pData,
                              int32_t iLength,
                              int32_t& iHour,
                              int32_t& iMinute,
                              int32_t& iSecond,
                              int32_t& iMilliSecond,
                              int32_t& iZoneHour,
                              int32_t& iZoneMinute);
  static bool IsIsoDateTimeFormat(const char* pData,
                                  int32_t iLength,
                                  int32_t& iYear,
                                  int32_t& iMonth,
                                  int32_t& iDay,
                                  int32_t& iHour,
                                  int32_t& iMinute,
                                  int32_t& iSecond,
                                  int32_t& iMillionSecond,
                                  int32_t& iZoneHour,
                                  int32_t& iZoneMinute);
  static CFX_ByteString Local2IsoDate(CFXJSE_Value* pThis,
                                      const CFX_ByteStringC& szDate,
                                      const CFX_ByteStringC& szFormat,
                                      const CFX_ByteStringC& szLocale);
  static CFX_ByteString IsoDate2Local(CFXJSE_Value* pThis,
                                      const CFX_ByteStringC& szDate,
                                      const CFX_ByteStringC& szFormat,
                                      const CFX_ByteStringC& szLocale);
  static CFX_ByteString IsoTime2Local(CFXJSE_Value* pThis,
                                      const CFX_ByteStringC& szTime,
                                      const CFX_ByteStringC& szFormat,
                                      const CFX_ByteStringC& szLocale);
  static int32_t DateString2Num(const CFX_ByteStringC& szDateString);
  static CFX_ByteString GetLocalDateFormat(CFXJSE_Value* pThis,
                                           int32_t iStyle,
                                           const CFX_ByteStringC& szLocalStr,
                                           bool bStandard);
  static CFX_ByteString GetLocalTimeFormat(CFXJSE_Value* pThis,
                                           int32_t iStyle,
                                           const CFX_ByteStringC& szLocalStr,
                                           bool bStandard);
  static CFX_ByteString GetStandardDateFormat(
      CFXJSE_Value* pThis,
      int32_t iStyle,
      const CFX_ByteStringC& szLocalStr);
  static CFX_ByteString GetStandardTimeFormat(
      CFXJSE_Value* pThis,
      int32_t iStyle,
      const CFX_ByteStringC& szLocalStr);
  static CFX_ByteString Num2AllTime(CFXJSE_Value* pThis,
                                    int32_t iTime,
                                    const CFX_ByteStringC& szFormat,
                                    const CFX_ByteStringC& szLocale,
                                    bool bGM);
  static void GetLocalTimeZone(int32_t& iHour, int32_t& iMin, int32_t& iSec);

  static void Apr(CFXJSE_Value* pThis,
                  const CFX_ByteStringC& szFuncName,
                  CFXJSE_Arguments& args);
  static void CTerm(CFXJSE_Value* pThis,
                    const CFX_ByteStringC& szFuncName,
                    CFXJSE_Arguments& args);
  static void FV(CFXJSE_Value* pThis,
                 const CFX_ByteStringC& szFuncName,
                 CFXJSE_Arguments& args);
  static void IPmt(CFXJSE_Value* pThis,
                   const CFX_ByteStringC& szFuncName,
                   CFXJSE_Arguments& args);
  static void NPV(CFXJSE_Value* pThis,
                  const CFX_ByteStringC& szFuncName,
                  CFXJSE_Arguments& args);
  static void Pmt(CFXJSE_Value* pThis,
                  const CFX_ByteStringC& szFuncName,
                  CFXJSE_Arguments& args);
  static void PPmt(CFXJSE_Value* pThis,
                   const CFX_ByteStringC& szFuncName,
                   CFXJSE_Arguments& args);
  static void PV(CFXJSE_Value* pThis,
                 const CFX_ByteStringC& szFuncName,
                 CFXJSE_Arguments& args);
  static void Rate(CFXJSE_Value* pThis,
                   const CFX_ByteStringC& szFuncName,
                   CFXJSE_Arguments& args);
  static void Term(CFXJSE_Value* pThis,
                   const CFX_ByteStringC& szFuncName,
                   CFXJSE_Arguments& args);
  static void Choose(CFXJSE_Value* pThis,
                     const CFX_ByteStringC& szFuncName,
                     CFXJSE_Arguments& args);
  static void Exists(CFXJSE_Value* pThis,
                     const CFX_ByteStringC& szFuncName,
                     CFXJSE_Arguments& args);
  static void HasValue(CFXJSE_Value* pThis,
                       const CFX_ByteStringC& szFuncName,
                       CFXJSE_Arguments& args);
  static void Oneof(CFXJSE_Value* pThis,
                    const CFX_ByteStringC& szFuncName,
                    CFXJSE_Arguments& args);
  static void Within(CFXJSE_Value* pThis,
                     const CFX_ByteStringC& szFuncName,
                     CFXJSE_Arguments& args);
  static void If(CFXJSE_Value* pThis,
                 const CFX_ByteStringC& szFuncName,
                 CFXJSE_Arguments& args);
  static void Eval(CFXJSE_Value* pThis,
                   const CFX_ByteStringC& szFuncName,
                   CFXJSE_Arguments& args);
  static void Ref(CFXJSE_Value* pThis,
                  const CFX_ByteStringC& szFuncName,
                  CFXJSE_Arguments& args);
  static void UnitType(CFXJSE_Value* pThis,
                       const CFX_ByteStringC& szFuncName,
                       CFXJSE_Arguments& args);
  static void UnitValue(CFXJSE_Value* pThis,
                        const CFX_ByteStringC& szFuncName,
                        CFXJSE_Arguments& args);

  static void At(CFXJSE_Value* pThis,
                 const CFX_ByteStringC& szFuncName,
                 CFXJSE_Arguments& args);
  static void Concat(CFXJSE_Value* pThis,
                     const CFX_ByteStringC& szFuncName,
                     CFXJSE_Arguments& args);
  static void Decode(CFXJSE_Value* pThis,
                     const CFX_ByteStringC& szFuncName,
                     CFXJSE_Arguments& args);
  static CFX_WideString DecodeURL(const CFX_WideString& wsURLString);
  static CFX_WideString DecodeHTML(const CFX_WideString& wsHTMLString);
  static CFX_WideString DecodeXML(const CFX_WideString& wsXMLString);
  static void Encode(CFXJSE_Value* pThis,
                     const CFX_ByteStringC& szFuncName,
                     CFXJSE_Arguments& args);
  static CFX_WideString EncodeURL(const CFX_ByteString& szURLString);
  static CFX_WideString EncodeHTML(const CFX_ByteString& szHTMLString);
  static CFX_WideString EncodeXML(const CFX_ByteString& szXMLString);
  static bool HTMLSTR2Code(const CFX_WideStringC& pData, uint32_t* iCode);
  static bool HTMLCode2STR(uint32_t iCode, CFX_WideString* wsHTMLReserve);
  static void Format(CFXJSE_Value* pThis,
                     const CFX_ByteStringC& szFuncName,
                     CFXJSE_Arguments& args);
  static void Left(CFXJSE_Value* pThis,
                   const CFX_ByteStringC& szFuncName,
                   CFXJSE_Arguments& args);
  static void Len(CFXJSE_Value* pThis,
                  const CFX_ByteStringC& szFuncName,
                  CFXJSE_Arguments& args);
  static void Lower(CFXJSE_Value* pThis,
                    const CFX_ByteStringC& szFuncName,
                    CFXJSE_Arguments& args);
  static void Ltrim(CFXJSE_Value* pThis,
                    const CFX_ByteStringC& szFuncName,
                    CFXJSE_Arguments& args);
  static void Parse(CFXJSE_Value* pThis,
                    const CFX_ByteStringC& szFuncName,
                    CFXJSE_Arguments& args);
  static void Replace(CFXJSE_Value* pThis,
                      const CFX_ByteStringC& szFuncName,
                      CFXJSE_Arguments& args);
  static void Right(CFXJSE_Value* pThis,
                    const CFX_ByteStringC& szFuncName,
                    CFXJSE_Arguments& args);
  static void Rtrim(CFXJSE_Value* pThis,
                    const CFX_ByteStringC& szFuncName,
                    CFXJSE_Arguments& args);
  static void Space(CFXJSE_Value* pThis,
                    const CFX_ByteStringC& szFuncName,
                    CFXJSE_Arguments& args);
  static void Str(CFXJSE_Value* pThis,
                  const CFX_ByteStringC& szFuncName,
                  CFXJSE_Arguments& args);
  static void Stuff(CFXJSE_Value* pThis,
                    const CFX_ByteStringC& szFuncName,
                    CFXJSE_Arguments& args);
  static void Substr(CFXJSE_Value* pThis,
                     const CFX_ByteStringC& szFuncName,
                     CFXJSE_Arguments& args);
  static void Uuid(CFXJSE_Value* pThis,
                   const CFX_ByteStringC& szFuncName,
                   CFXJSE_Arguments& args);
  static void Upper(CFXJSE_Value* pThis,
                    const CFX_ByteStringC& szFuncName,
                    CFXJSE_Arguments& args);
  static void WordNum(CFXJSE_Value* pThis,
                      const CFX_ByteStringC& szFuncName,
                      CFXJSE_Arguments& args);
  static CFX_ByteString TrillionUS(const CFX_ByteStringC& szData);
  static CFX_ByteString WordUS(const CFX_ByteString& szData, int32_t iStyle);

  static void Get(CFXJSE_Value* pThis,
                  const CFX_ByteStringC& szFuncName,
                  CFXJSE_Arguments& args);
  static void Post(CFXJSE_Value* pThis,
                   const CFX_ByteStringC& szFuncName,
                   CFXJSE_Arguments& args);
  static void Put(CFXJSE_Value* pThis,
                  const CFX_ByteStringC& szFuncName,
                  CFXJSE_Arguments& args);
  static void assign_value_operator(CFXJSE_Value* pThis,
                                    const CFX_ByteStringC& szFuncName,
                                    CFXJSE_Arguments& args);
  static void logical_or_operator(CFXJSE_Value* pThis,
                                  const CFX_ByteStringC& szFuncName,
                                  CFXJSE_Arguments& args);
  static void logical_and_operator(CFXJSE_Value* pThis,
                                   const CFX_ByteStringC& szFuncName,
                                   CFXJSE_Arguments& args);
  static void equality_operator(CFXJSE_Value* pThis,
                                const CFX_ByteStringC& szFuncName,
                                CFXJSE_Arguments& args);
  static void notequality_operator(CFXJSE_Value* pThis,
                                   const CFX_ByteStringC& szFuncName,
                                   CFXJSE_Arguments& args);
  static bool fm_ref_equal(CFXJSE_Value* pThis, CFXJSE_Arguments& args);
  static void less_operator(CFXJSE_Value* pThis,
                            const CFX_ByteStringC& szFuncName,
                            CFXJSE_Arguments& args);
  static void lessequal_operator(CFXJSE_Value* pThis,
                                 const CFX_ByteStringC& szFuncName,
                                 CFXJSE_Arguments& args);
  static void greater_operator(CFXJSE_Value* pThis,
                               const CFX_ByteStringC& szFuncName,
                               CFXJSE_Arguments& args);
  static void greaterequal_operator(CFXJSE_Value* pThis,
                                    const CFX_ByteStringC& szFuncName,
                                    CFXJSE_Arguments& args);
  static void plus_operator(CFXJSE_Value* pThis,
                            const CFX_ByteStringC& szFuncName,
                            CFXJSE_Arguments& args);
  static void minus_operator(CFXJSE_Value* pThis,
                             const CFX_ByteStringC& szFuncName,
                             CFXJSE_Arguments& args);
  static void multiple_operator(CFXJSE_Value* pThis,
                                const CFX_ByteStringC& szFuncName,
                                CFXJSE_Arguments& args);
  static void divide_operator(CFXJSE_Value* pThis,
                              const CFX_ByteStringC& szFuncName,
                              CFXJSE_Arguments& args);
  static void positive_operator(CFXJSE_Value* pThis,
                                const CFX_ByteStringC& szFuncName,
                                CFXJSE_Arguments& args);
  static void negative_operator(CFXJSE_Value* pThis,
                                const CFX_ByteStringC& szFuncName,
                                CFXJSE_Arguments& args);
  static void logical_not_operator(CFXJSE_Value* pThis,
                                   const CFX_ByteStringC& szFuncName,
                                   CFXJSE_Arguments& args);
  static void dot_accessor(CFXJSE_Value* pThis,
                           const CFX_ByteStringC& szFuncName,
                           CFXJSE_Arguments& args);
  static void dotdot_accessor(CFXJSE_Value* pThis,
                              const CFX_ByteStringC& szFuncName,
                              CFXJSE_Arguments& args);
  static void eval_translation(CFXJSE_Value* pThis,
                               const CFX_ByteStringC& szFuncName,
                               CFXJSE_Arguments& args);
  static void is_fm_object(CFXJSE_Value* pThis,
                           const CFX_ByteStringC& szFuncName,
                           CFXJSE_Arguments& args);
  static void is_fm_array(CFXJSE_Value* pThis,
                          const CFX_ByteStringC& szFuncName,
                          CFXJSE_Arguments& args);
  static void get_fm_value(CFXJSE_Value* pThis,
                           const CFX_ByteStringC& szFuncName,
                           CFXJSE_Arguments& args);
  static void get_fm_jsobj(CFXJSE_Value* pThis,
                           const CFX_ByteStringC& szFuncName,
                           CFXJSE_Arguments& args);
  static void fm_var_filter(CFXJSE_Value* pThis,
                            const CFX_ByteStringC& szFuncName,
                            CFXJSE_Arguments& args);
  static void concat_fm_object(CFXJSE_Value* pThis,
                               const CFX_ByteStringC& szFuncName,
                               CFXJSE_Arguments& args);

  static int32_t hvalue_get_array_length(CFXJSE_Value* pThis,
                                         CFXJSE_Value* arg);
  static bool simpleValueCompare(CFXJSE_Value* pThis,
                                 CFXJSE_Value* firstValue,
                                 CFXJSE_Value* secondValue);
  static void unfoldArgs(
      CFXJSE_Value* pThis,
      CFXJSE_Arguments& args,
      std::vector<std::unique_ptr<CFXJSE_Value>>* resultValues,
      int32_t iStart = 0);
  static void GetObjectDefaultValue(CFXJSE_Value* pObjectValue,
                                    CFXJSE_Value* pDefaultValue);
  static bool SetObjectDefaultValue(CFXJSE_Value* pObjectValue,
                                    CFXJSE_Value* pNewValue);
  static CFX_ByteString GenerateSomExpression(const CFX_ByteStringC& szName,
                                              int32_t iIndexFlags,
                                              int32_t iIndexValue,
                                              bool bIsStar);
  static bool GetObjectForName(CFXJSE_Value* pThis,
                               CFXJSE_Value* accessorValue,
                               const CFX_ByteStringC& szAccessorName);
  static int32_t ResolveObjects(CFXJSE_Value* pThis,
                                CFXJSE_Value* pParentValue,
                                const CFX_ByteStringC& bsSomExp,
                                XFA_RESOLVENODE_RS& resoveNodeRS,
                                bool bdotAccessor = true,
                                bool bHasNoResolveName = false);
  static void ParseResolveResult(
      CFXJSE_Value* pThis,
      const XFA_RESOLVENODE_RS& resoveNodeRS,
      CFXJSE_Value* pParentValue,
      std::vector<std::unique_ptr<CFXJSE_Value>>* resultValues,
      bool* bAttribute);

  static std::unique_ptr<CFXJSE_Value> GetSimpleValue(CFXJSE_Value* pThis,
                                                      CFXJSE_Arguments& args,
                                                      uint32_t index);
  static bool ValueIsNull(CFXJSE_Value* pThis, CFXJSE_Value* pValue);
  static int32_t ValueToInteger(CFXJSE_Value* pThis, CFXJSE_Value* pValue);
  static float ValueToFloat(CFXJSE_Value* pThis, CFXJSE_Value* pValue);
  static double ValueToDouble(CFXJSE_Value* pThis, CFXJSE_Value* pValue);
  static CFX_ByteString ValueToUTF8String(CFXJSE_Value* pValue);
  static double ExtractDouble(CFXJSE_Value* pThis,
                              CFXJSE_Value* src,
                              bool* ret);

  static bool Translate(const CFX_WideStringC& wsFormcalc,
                        CFX_WideTextBuf* wsJavascript);

  void GlobalPropertyGetter(CFXJSE_Value* pValue);

 private:
  v8::Isolate* GetScriptRuntime() const { return m_pIsolate; }
  CXFA_Document* GetDocument() const { return m_pDocument.Get(); }

  void ThrowNoDefaultPropertyException(const CFX_ByteStringC& name) const;
  void ThrowCompilerErrorException() const;
  void ThrowDivideByZeroException() const;
  void ThrowServerDeniedException() const;
  void ThrowPropertyNotInObjectException(const CFX_WideString& name,
                                         const CFX_WideString& exp) const;
  void ThrowArgumentMismatchException() const;
  void ThrowParamCountMismatchException(const CFX_WideString& method) const;
  void ThrowException(const wchar_t* str, ...) const;

  v8::Isolate* m_pIsolate;
  CFXJSE_Class* m_pFMClass;
  std::unique_ptr<CFXJSE_Value> m_pValue;
  CFX_UnownedPtr<CXFA_Document> const m_pDocument;
};

#endif  // XFA_FXFA_FM2JS_CXFA_FM2JSCONTEXT_H_