/*
 Source File : PDFPageDriver.cpp
 
 
 Copyright 2013 Gal Kahana HummusJS
 
 Licensed under the Apache License, Version 2.0 (the "License");
 you may not use this file except in compliance with the License.
 You may obtain a copy of the License at
 
 http://www.apache.org/licenses/LICENSE-2.0
 
 Unless required by applicable law or agreed to in writing, software
 distributed under the License is distributed on an "AS IS" BASIS,
 WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 See the License for the specific language governing permissions and
 limitations under the License.
 
 */
#include "PDFPageDriver.h"
#include "PDFRectangle.h"
#include "ResourcesDictionaryDriver.h"
#include "ConstructorsHolder.h"

using namespace v8;



PDFPageDriver::~PDFPageDriver()
{
    if(mOwnsPage)
        delete mPDFPage;
}

PDFPageDriver::PDFPageDriver()
{
    ContentContext = NULL;
    mPDFPage = NULL;
    mOwnsPage = false;
}

DEF_SUBORDINATE_INIT(PDFPageDriver::Init)
{
	CREATE_ISOLATE_CONTEXT;

	Local<FunctionTemplate> t = NEW_FUNCTION_TEMPLATE_EXTERNAL(New);

	t->SetClassName(NEW_STRING("PDFPage"));
	t->InstanceTemplate()->SetInternalFieldCount(1);

	SET_ACCESSOR_METHODS(t, "mediaBox", GetMediaBox, SetMediaBox);
	SET_ACCESSOR_METHODS(t, "cropBox", GetCropBox, SetCropBox);
	SET_ACCESSOR_METHODS(t, "bleedBox", GetBleedBox, SetBleedBox);
	SET_ACCESSOR_METHODS(t, "trimBox", GetTrimBox, SetTrimBox);
	SET_ACCESSOR_METHODS(t, "artBox", GetArtBox, SetArtBox);
    SET_ACCESSOR_METHODS(t, "rotate",GetRotate, SetRotate);
	SET_PROTOTYPE_METHOD(t, "getResourcesDictionary", GetResourcesDictionary);
    
	SET_CONSTRUCTOR_EXPORT("PDFPage", t);

    // save in factory
	EXPOSE_EXTERNAL_FOR_INIT(ConstructorsHolder, holder)
    SET_CONSTRUCTOR(holder->PDFPage_constructor, t);       
	SET_CONSTRUCTOR_TEMPLATE(holder->PDFPage_constructor_template, t);
}

METHOD_RETURN_TYPE PDFPageDriver::New(const ARGS_TYPE& args)
{
    CREATE_ISOLATE_CONTEXT;
	CREATE_ESCAPABLE_SCOPE;
    EXPOSE_EXTERNAL_ARGS(ConstructorsHolder, externalHolder)
    
    PDFPageDriver* pdfPage = new PDFPageDriver();
    if(args.Length() != 1) // which would signify that this didn't came from one of the "newinstance" here...so from user "new"
    {
        pdfPage->mPDFPage = new PDFPage();
        pdfPage->mOwnsPage = true;
        
        if(args.Length() == 4 && args[0]->IsNumber() && args[1]->IsNumber() && args[2]->IsNumber() && args[3]->IsNumber())
        {
            pdfPage->mPDFPage->SetMediaBox(PDFRectangle(TO_NUMBER(args[0])->Value(),
                                                       TO_NUMBER(args[1])->Value(),
                                                       TO_NUMBER(args[2])->Value(),
                                                       TO_NUMBER(args[3])->Value()));
        }
        
    }
    
    pdfPage->holder = externalHolder;
    pdfPage->Wrap(args.This());
	SET_FUNCTION_RETURN_VALUE(args.This())
}

METHOD_RETURN_TYPE PDFPageDriver::GetMediaBox(SET_ACCESSOR_METHOD_NAME_TYPE property, const PROPERTY_TYPE &info)
{
    CREATE_ISOLATE_CONTEXT;
	CREATE_ESCAPABLE_SCOPE;

    PDFPageDriver* pageDriver = ObjectWrap::Unwrap<PDFPageDriver>(info.Holder());
    
    Local<Array> mediaBox = NEW_ARRAY(4);
    
    mediaBox->Set(GET_CURRENT_CONTEXT, v8::NEW_NUMBER(0),v8::NEW_NUMBER(pageDriver->mPDFPage->GetMediaBox().LowerLeftX));
    mediaBox->Set(GET_CURRENT_CONTEXT, v8::NEW_NUMBER(1),v8::NEW_NUMBER(pageDriver->mPDFPage->GetMediaBox().LowerLeftY));
    mediaBox->Set(GET_CURRENT_CONTEXT, v8::NEW_NUMBER(2),v8::NEW_NUMBER(pageDriver->mPDFPage->GetMediaBox().UpperRightX));
    mediaBox->Set(GET_CURRENT_CONTEXT, v8::NEW_NUMBER(3),v8::NEW_NUMBER(pageDriver->mPDFPage->GetMediaBox().UpperRightY));

    SET_ACCESSOR_RETURN_VALUE(mediaBox)
}

METHOD_RETURN_TYPE PDFPageDriver::GetCropBox(SET_ACCESSOR_METHOD_NAME_TYPE property, const PROPERTY_TYPE &info)
{
    CREATE_ISOLATE_CONTEXT;
	CREATE_ESCAPABLE_SCOPE;

    PDFPageDriver* pageDriver = ObjectWrap::Unwrap<PDFPageDriver>(info.Holder());
    
    BoolAndPDFRectangle cropBox = pageDriver->mPDFPage->GetCropBox();
    
    if(cropBox.first) 
    {
        Local<Array> box = NEW_ARRAY(4);
        
        box->Set(GET_CURRENT_CONTEXT, v8::NEW_NUMBER(0),v8::NEW_NUMBER(cropBox.second.LowerLeftX));
        box->Set(GET_CURRENT_CONTEXT, v8::NEW_NUMBER(1),v8::NEW_NUMBER(cropBox.second.LowerLeftY));
        box->Set(GET_CURRENT_CONTEXT, v8::NEW_NUMBER(2),v8::NEW_NUMBER(cropBox.second.UpperRightX));
        box->Set(GET_CURRENT_CONTEXT, v8::NEW_NUMBER(3),v8::NEW_NUMBER(cropBox.second.UpperRightY));
    
        SET_ACCESSOR_RETURN_VALUE(box)
    }
    else
    {
        SET_ACCESSOR_RETURN_VALUE(UNDEFINED)
    }
}

METHOD_RETURN_TYPE PDFPageDriver::GetBleedBox(SET_ACCESSOR_METHOD_NAME_TYPE property, const PROPERTY_TYPE &info)
{
    CREATE_ISOLATE_CONTEXT;
	CREATE_ESCAPABLE_SCOPE;

    PDFPageDriver* pageDriver = ObjectWrap::Unwrap<PDFPageDriver>(info.Holder());
    
    BoolAndPDFRectangle bleedBox = pageDriver->mPDFPage->GetBleedBox();
    
    if(bleedBox.first) 
    {
        Local<Array> box = NEW_ARRAY(4);
        
        box->Set(GET_CURRENT_CONTEXT, v8::NEW_NUMBER(0),v8::NEW_NUMBER(bleedBox.second.LowerLeftX));
        box->Set(GET_CURRENT_CONTEXT, v8::NEW_NUMBER(1),v8::NEW_NUMBER(bleedBox.second.LowerLeftY));
        box->Set(GET_CURRENT_CONTEXT, v8::NEW_NUMBER(2),v8::NEW_NUMBER(bleedBox.second.UpperRightX));
        box->Set(GET_CURRENT_CONTEXT, v8::NEW_NUMBER(3),v8::NEW_NUMBER(bleedBox.second.UpperRightY));
    
        SET_ACCESSOR_RETURN_VALUE(box)
    }
    else
    {
        SET_ACCESSOR_RETURN_VALUE(UNDEFINED)
    }
}

METHOD_RETURN_TYPE PDFPageDriver::GetTrimBox(SET_ACCESSOR_METHOD_NAME_TYPE property, const PROPERTY_TYPE &info)
{
    CREATE_ISOLATE_CONTEXT;
	CREATE_ESCAPABLE_SCOPE;

    PDFPageDriver* pageDriver = ObjectWrap::Unwrap<PDFPageDriver>(info.Holder());
    
    BoolAndPDFRectangle trimBox = pageDriver->mPDFPage->GetTrimBox();
    
    if(trimBox.first) 
    {
        Local<Array> box = NEW_ARRAY(4);
        
        box->Set(GET_CURRENT_CONTEXT, v8::NEW_NUMBER(0),v8::NEW_NUMBER(trimBox.second.LowerLeftX));
        box->Set(GET_CURRENT_CONTEXT, v8::NEW_NUMBER(1),v8::NEW_NUMBER(trimBox.second.LowerLeftY));
        box->Set(GET_CURRENT_CONTEXT, v8::NEW_NUMBER(2),v8::NEW_NUMBER(trimBox.second.UpperRightX));
        box->Set(GET_CURRENT_CONTEXT, v8::NEW_NUMBER(3),v8::NEW_NUMBER(trimBox.second.UpperRightY));
    
        SET_ACCESSOR_RETURN_VALUE(box)
    }
    else
    {
        SET_ACCESSOR_RETURN_VALUE(UNDEFINED)
    }
}

METHOD_RETURN_TYPE PDFPageDriver::GetArtBox(SET_ACCESSOR_METHOD_NAME_TYPE property, const PROPERTY_TYPE &info)
{
    CREATE_ISOLATE_CONTEXT;
	CREATE_ESCAPABLE_SCOPE;

    PDFPageDriver* pageDriver = ObjectWrap::Unwrap<PDFPageDriver>(info.Holder());
    
    BoolAndPDFRectangle artBox = pageDriver->mPDFPage->GetArtBox();
    
    if(artBox.first) 
    {
        Local<Array> box = NEW_ARRAY(4);
        
        box->Set(GET_CURRENT_CONTEXT, v8::NEW_NUMBER(0),v8::NEW_NUMBER(artBox.second.LowerLeftX));
        box->Set(GET_CURRENT_CONTEXT, v8::NEW_NUMBER(1),v8::NEW_NUMBER(artBox.second.LowerLeftY));
        box->Set(GET_CURRENT_CONTEXT, v8::NEW_NUMBER(2),v8::NEW_NUMBER(artBox.second.UpperRightX));
        box->Set(GET_CURRENT_CONTEXT, v8::NEW_NUMBER(3),v8::NEW_NUMBER(artBox.second.UpperRightY));
    
        SET_ACCESSOR_RETURN_VALUE(box)
    }
    else
    {
        SET_ACCESSOR_RETURN_VALUE(UNDEFINED)
    }
}

void PDFPageDriver::SetMediaBox(SET_ACCESSOR_METHOD_NAME_TYPE property, Local<Value> value, const PROPERTY_SETTER_TYPE &info)
{
    CREATE_ISOLATE_CONTEXT;
	CREATE_ESCAPABLE_SCOPE;
    
    PDFPageDriver* pageDriver = ObjectWrap::Unwrap<PDFPageDriver>(info.Holder());

    if(!value->IsArray())
        THROW_EXCEPTION("Media box is set to a value which is not a 4 numbers array");
    
    if(value->TO_OBJECT()->Get(GET_CURRENT_CONTEXT, v8::NEW_STRING("length")).ToLocalChecked()->TO_UINT32Value() != 4)
        THROW_EXCEPTION("Media box is set to a value which is not a 4 numbers array");
    
    pageDriver->mPDFPage->SetMediaBox(PDFRectangle(TO_NUMBER(value->TO_OBJECT()->Get(GET_CURRENT_CONTEXT, 0).ToLocalChecked())->Value(),
                                                  TO_NUMBER(value->TO_OBJECT()->Get(GET_CURRENT_CONTEXT, 1).ToLocalChecked())->Value(),
                                                  TO_NUMBER(value->TO_OBJECT()->Get(GET_CURRENT_CONTEXT, 2).ToLocalChecked())->Value(),
                                                  TO_NUMBER(value->TO_OBJECT()->Get(GET_CURRENT_CONTEXT, 3).ToLocalChecked())->Value()));
    
}
    
METHOD_RETURN_TYPE PDFPageDriver::GetRotate(SET_ACCESSOR_METHOD_NAME_TYPE property, const PROPERTY_TYPE &info)
{
    CREATE_ISOLATE_CONTEXT;
	CREATE_ESCAPABLE_SCOPE;

    PDFPageDriver* pageDriver = ObjectWrap::Unwrap<PDFPageDriver>(info.Holder());
    
    BoolAndInt rotate = pageDriver->mPDFPage->GetRotate();
    
    if(rotate.first) 
    {
        Local<Number> result = NEW_NUMBER(rotate.second);
        SET_ACCESSOR_RETURN_VALUE(result)        
    }
    else
    {
        SET_ACCESSOR_RETURN_VALUE(UNDEFINED)
    }
}    

void PDFPageDriver::SetRotate(SET_ACCESSOR_METHOD_NAME_TYPE property, Local<Value> value, const PROPERTY_SETTER_TYPE &info)
{
    CREATE_ISOLATE_CONTEXT;
	CREATE_ESCAPABLE_SCOPE;
    
    PDFPageDriver* pageDriver = ObjectWrap::Unwrap<PDFPageDriver>(info.Holder());

    if(!value->IsNumber())
        THROW_EXCEPTION("Rotation is not set to a number");
    
    pageDriver->mPDFPage->SetRotate(TO_UINT32(value)->Value());
    
}


void PDFPageDriver::SetCropBox(SET_ACCESSOR_METHOD_NAME_TYPE property, Local<Value> value, const PROPERTY_SETTER_TYPE &info)
{
    CREATE_ISOLATE_CONTEXT;
	CREATE_ESCAPABLE_SCOPE;
    
    PDFPageDriver* pageDriver = ObjectWrap::Unwrap<PDFPageDriver>(info.Holder());

    if(!value->IsArray())
        THROW_EXCEPTION("Crop box is set to a value which is not a 4 numbers array");
    
    if(value->TO_OBJECT()->Get(GET_CURRENT_CONTEXT, v8::NEW_STRING("length")).ToLocalChecked()->TO_UINT32Value() != 4)
        THROW_EXCEPTION("Crop box is set to a value which is not a 4 numbers array");
    
    pageDriver->mPDFPage->SetCropBox(PDFRectangle(TO_NUMBER(value->TO_OBJECT()->Get(GET_CURRENT_CONTEXT, 0).ToLocalChecked())->Value(),
                                                  TO_NUMBER(value->TO_OBJECT()->Get(GET_CURRENT_CONTEXT, 1).ToLocalChecked())->Value(),
                                                  TO_NUMBER(value->TO_OBJECT()->Get(GET_CURRENT_CONTEXT, 2).ToLocalChecked())->Value(),
                                                  TO_NUMBER(value->TO_OBJECT()->Get(GET_CURRENT_CONTEXT, 3).ToLocalChecked())->Value()));
    
}

void PDFPageDriver::SetBleedBox(SET_ACCESSOR_METHOD_NAME_TYPE property, Local<Value> value, const PROPERTY_SETTER_TYPE &info)
{
    CREATE_ISOLATE_CONTEXT;
	CREATE_ESCAPABLE_SCOPE;
    
    PDFPageDriver* pageDriver = ObjectWrap::Unwrap<PDFPageDriver>(info.Holder());

    if(!value->IsArray())
        THROW_EXCEPTION("Bleed box is set to a value which is not a 4 numbers array");
    
    if(value->TO_OBJECT()->Get(GET_CURRENT_CONTEXT, v8::NEW_STRING("length")).ToLocalChecked()->TO_UINT32Value() != 4)
        THROW_EXCEPTION("Bleed box is set to a value which is not a 4 numbers array");
    
    pageDriver->mPDFPage->SetBleedBox(PDFRectangle(TO_NUMBER(value->TO_OBJECT()->Get(GET_CURRENT_CONTEXT, 0).ToLocalChecked())->Value(),
                                                  TO_NUMBER(value->TO_OBJECT()->Get(GET_CURRENT_CONTEXT, 1).ToLocalChecked())->Value(),
                                                  TO_NUMBER(value->TO_OBJECT()->Get(GET_CURRENT_CONTEXT, 2).ToLocalChecked())->Value(),
                                                  TO_NUMBER(value->TO_OBJECT()->Get(GET_CURRENT_CONTEXT, 3).ToLocalChecked())->Value()));
    
}

void PDFPageDriver::SetTrimBox(SET_ACCESSOR_METHOD_NAME_TYPE property, Local<Value> value, const PROPERTY_SETTER_TYPE &info)
{
    CREATE_ISOLATE_CONTEXT;
	CREATE_ESCAPABLE_SCOPE;
    
    PDFPageDriver* pageDriver = ObjectWrap::Unwrap<PDFPageDriver>(info.Holder());

    if(!value->IsArray())
        THROW_EXCEPTION("Trim box is set to a value which is not a 4 numbers array");
    
    if(value->TO_OBJECT()->Get(GET_CURRENT_CONTEXT, v8::NEW_STRING("length")).ToLocalChecked()->TO_UINT32Value() != 4)
        THROW_EXCEPTION("Trim box is set to a value which is not a 4 numbers array");
    
    pageDriver->mPDFPage->SetTrimBox(PDFRectangle(TO_NUMBER(value->TO_OBJECT()->Get(GET_CURRENT_CONTEXT, 0).ToLocalChecked())->Value(),
                                                  TO_NUMBER(value->TO_OBJECT()->Get(GET_CURRENT_CONTEXT, 1).ToLocalChecked())->Value(),
                                                  TO_NUMBER(value->TO_OBJECT()->Get(GET_CURRENT_CONTEXT, 2).ToLocalChecked())->Value(),
                                                  TO_NUMBER(value->TO_OBJECT()->Get(GET_CURRENT_CONTEXT, 3).ToLocalChecked())->Value()));
    
}

void PDFPageDriver::SetArtBox(SET_ACCESSOR_METHOD_NAME_TYPE property, Local<Value> value, const PROPERTY_SETTER_TYPE &info)
{
    CREATE_ISOLATE_CONTEXT;
	CREATE_ESCAPABLE_SCOPE;
    
    PDFPageDriver* pageDriver = ObjectWrap::Unwrap<PDFPageDriver>(info.Holder());

    if(!value->IsArray())
        THROW_EXCEPTION("Art box is set to a value which is not a 4 numbers array");
    
    if(value->TO_OBJECT()->Get(GET_CURRENT_CONTEXT, v8::NEW_STRING("length")).ToLocalChecked()->TO_UINT32Value() != 4)
        THROW_EXCEPTION("Art box is set to a value which is not a 4 numbers array");
    
    pageDriver->mPDFPage->SetArtBox(PDFRectangle(TO_NUMBER(value->TO_OBJECT()->Get(GET_CURRENT_CONTEXT, 0).ToLocalChecked())->Value(),
                                                  TO_NUMBER(value->TO_OBJECT()->Get(GET_CURRENT_CONTEXT, 1).ToLocalChecked())->Value(),
                                                  TO_NUMBER(value->TO_OBJECT()->Get(GET_CURRENT_CONTEXT, 2).ToLocalChecked())->Value(),
                                                  TO_NUMBER(value->TO_OBJECT()->Get(GET_CURRENT_CONTEXT, 3).ToLocalChecked())->Value()));
    
}

METHOD_RETURN_TYPE PDFPageDriver::GetResourcesDictionary(const ARGS_TYPE& args)
{
    CREATE_ISOLATE_CONTEXT;
	CREATE_ESCAPABLE_SCOPE;
    PDFPageDriver* pageDriver = ObjectWrap::Unwrap<PDFPageDriver>(args.This());
    
    Local<Value> newInstance = pageDriver->holder->GetNewResourcesDictionary(args);
    ResourcesDictionaryDriver* resourceDictionaryDriver = ObjectWrap::Unwrap<ResourcesDictionaryDriver>(newInstance->TO_OBJECT());
    resourceDictionaryDriver->ResourcesDictionaryInstance = &(pageDriver->GetPage()->GetResourcesDictionary());
    
    SET_FUNCTION_RETURN_VALUE(newInstance)
}