#include "version.h"
#include "export.h"
#include "tools/editor/editor_settings.h"
#include "tools/editor/editor_import_export.h"
#include "tools/editor/editor_node.h"
#include "io/zip_io.h"
#include "io/marshalls.h"
#include "io/resource_saver.h"
#include "globals.h"
#include "os/file_access.h"
#include "os/os.h"
#include "platform/osx/logo.h"
#include "string.h"


class EditorExportPlatformOSX : public EditorExportPlatform {

	OBJ_TYPE( EditorExportPlatformOSX,EditorExportPlatform );

	String custom_release_package;
	String custom_debug_package;


	int version_code;

	String app_name;
	String info;
	String icon;
	String identifier;
	String short_version;
	String version;
	String signature;
	String copyright;
	bool use64;
	bool high_resolution;

	Ref<ImageTexture> logo;

	void _fix_plist(Vector<uint8_t>& plist, const String &p_binary);
	void _make_icon(const Image& p_icon,Vector<uint8_t>& data);


protected:

	bool _set(const StringName& p_name, const Variant& p_value);
	bool _get(const StringName& p_name,Variant &r_ret) const;
	void _get_property_list( List<PropertyInfo> *p_list) const;

public:

	virtual String get_name() const { return "Mac OSX"; }
	virtual ImageCompression get_image_compression() const { return IMAGE_COMPRESSION_BC; }
	virtual Ref<Texture> get_logo() const { return logo; }


	virtual bool poll_devices() { return false;}
	virtual int get_device_count() const { return 0; };
	virtual String get_device_name(int p_device) const  { return String(); }
	virtual String get_device_info(int p_device) const { return String(); }
	virtual Error run(int p_device,int p_flags=0);

	virtual bool requieres_password(bool p_debug) const { return false; }
	virtual String get_binary_extension() const { return "zip"; }
	virtual Error export_project(const String& p_path,bool p_debug,int p_flags=0);

	virtual bool can_export(String *r_error=NULL) const;

	EditorExportPlatformOSX();
	~EditorExportPlatformOSX();
};

bool EditorExportPlatformOSX::_set(const StringName& p_name, const Variant& p_value) {

	String n=p_name;

	if (n=="custom_package/debug")
		custom_debug_package=p_value;
	else if (n=="custom_package/release")
		custom_release_package=p_value;
	else if (n=="application/name")
		app_name=p_value;
	else if (n=="application/info")
		info=p_value;
	else if (n=="application/icon")
		icon=p_value;
	else if (n=="application/identifier")
		identifier=p_value;
	else if (n=="application/signature")
		signature=p_value;
	else if (n=="application/short_version")
		short_version=p_value;
	else if (n=="application/version")
		version=p_value;
	else if (n=="application/copyright")
		copyright=p_value;
	else if (n=="application/64_bits")
		use64=p_value;
	else if (n=="display/high_res")
		high_resolution=p_value;
	else
		return false;

	return true;
}

bool EditorExportPlatformOSX::_get(const StringName& p_name,Variant &r_ret) const{

	String n=p_name;

	if (n=="custom_package/debug")
		r_ret=custom_debug_package;
	else if (n=="custom_package/release")
		r_ret=custom_release_package;
	else if (n=="application/name")
		r_ret=app_name;
	else if (n=="application/info")
		r_ret=info;
	else if (n=="application/icon")
		r_ret=icon;
	else if (n=="application/identifier")
		r_ret=identifier;
	else if (n=="application/signature")
		r_ret=signature;
	else if (n=="application/short_version")
		r_ret=short_version;
	else if (n=="application/version")
		r_ret=version;
	else if (n=="application/copyright")
		r_ret=copyright;
	else if (n=="application/64_bits")
		r_ret=use64;
	else if (n=="display/high_res")
		r_ret=high_resolution;
	else
		return false;

	return true;
}
void EditorExportPlatformOSX::_get_property_list( List<PropertyInfo> *p_list) const{

	p_list->push_back( PropertyInfo( Variant::STRING, "custom_package/debug", PROPERTY_HINT_GLOBAL_FILE,"zip"));
	p_list->push_back( PropertyInfo( Variant::STRING, "custom_package/release", PROPERTY_HINT_GLOBAL_FILE,"zip"));

	p_list->push_back( PropertyInfo( Variant::STRING, "application/name") );
	p_list->push_back( PropertyInfo( Variant::STRING, "application/info") );
	p_list->push_back( PropertyInfo( Variant::STRING, "application/icon",PROPERTY_HINT_FILE,"png") );
	p_list->push_back( PropertyInfo( Variant::STRING, "application/identifier") );
	p_list->push_back( PropertyInfo( Variant::STRING, "application/signature") );
	p_list->push_back( PropertyInfo( Variant::STRING, "application/short_version") );
	p_list->push_back( PropertyInfo( Variant::STRING, "application/version") );
	p_list->push_back( PropertyInfo( Variant::STRING, "application/copyright") );
	p_list->push_back( PropertyInfo( Variant::BOOL, "application/64_bits") );
	p_list->push_back( PropertyInfo( Variant::BOOL, "display/high_res") );


	//p_list->push_back( PropertyInfo( Variant::INT, "resources/pack_mode", PROPERTY_HINT_ENUM,"Copy,Single Exec.,Pack (.pck),Bundles (Optical)"));

}

void EditorExportPlatformOSX::_make_icon(const Image& p_icon,Vector<uint8_t>& icon) {


	Ref<ImageTexture> it = memnew( ImageTexture );
	int size=512;

	Vector<uint8_t> data;

	data.resize(8);
	data[0]='i';
	data[1]='c';
	data[2]='n';
	data[3]='s';

	const char *name[]={"ic09","ic08","ic07","icp6","icp5","icp4"};
	int index=0;

	while(size>=16) {

		Image copy = p_icon;
		copy.convert(Image::FORMAT_RGBA);
		copy.resize(size,size);
		it->create_from_image(copy);
		String path = EditorSettings::get_singleton()->get_settings_path()+"/tmp/icon.png";
		ResourceSaver::save(path,it);

		FileAccess *f = FileAccess::open(path,FileAccess::READ);
		ERR_FAIL_COND(!f);

		int ofs = data.size();
		uint32_t len = f->get_len();
		data.resize(data.size()+len+8);
		f->get_buffer(&data[ofs+8],len);
		memdelete(f);
		len+=8;
		len=BSWAP32(len);
		copymem(&data[ofs],name[index],4);
		encode_uint32(len,&data[ofs+4]);
		index++;
		size/=2;
	}

	uint32_t total_len = data.size();
	total_len = BSWAP32(total_len);
	encode_uint32(total_len,&data[4]);

	icon=data;
}


void EditorExportPlatformOSX::_fix_plist(Vector<uint8_t>& plist,const String& p_binary) {


	String str;
	String strnew;
	str.parse_utf8((const char*)plist.ptr(),plist.size());
	Vector<String> lines=str.split("\n");
	for(int i=0;i<lines.size();i++) {
		if (lines[i].find("$binary")!=-1) {
			strnew+=lines[i].replace("$binary",p_binary)+"\n";
		} else if (lines[i].find("$name")!=-1) {
			strnew+=lines[i].replace("$name",p_binary)+"\n";
		} else if (lines[i].find("$info")!=-1) {
			strnew+=lines[i].replace("$info",info)+"\n";
		} else if (lines[i].find("$identifier")!=-1) {
			strnew+=lines[i].replace("$identifier",identifier)+"\n";
		} else if (lines[i].find("$short_version")!=-1) {
			strnew+=lines[i].replace("$short_version",short_version)+"\n";
		} else if (lines[i].find("$version")!=-1) {
			strnew+=lines[i].replace("$version",version)+"\n";
		} else if (lines[i].find("$signature")!=-1) {
			strnew+=lines[i].replace("$signature",signature)+"\n";
		} else if (lines[i].find("$copyright")!=-1) {
			strnew+=lines[i].replace("$copyright",copyright)+"\n";
		} else if (lines[i].find("$highres")!=-1) {
			strnew+=lines[i].replace("$highres",high_resolution?"<true/>":"<false/>")+"\n";
		} else {
			strnew+=lines[i]+"\n";
		}
	}

	CharString cs = strnew.utf8();
	plist.resize(cs.size());
	for(int i=9;i<cs.size();i++) {
		plist[i]=cs[i];
	}
}

Error EditorExportPlatformOSX::export_project(const String& p_path, bool p_debug, int p_flags) {

	String src_pkg;

	EditorProgress ep("export","Exporting for OSX",104);


	if (p_debug)
		src_pkg=custom_debug_package;
	else
		src_pkg=custom_release_package;

	if (src_pkg=="") {
		String err;
		src_pkg=find_export_template("osx.zip", &err);
		if (src_pkg=="") {
			EditorNode::add_io_error(err);
			return ERR_FILE_NOT_FOUND;
		}
	}


	FileAccess *src_f=NULL;
	zlib_filefunc_def io = zipio_create_io_from_file(&src_f);

	ep.step("Creating app",0);

	unzFile pkg = unzOpen2(src_pkg.utf8().get_data(), &io);
	if (!pkg) {

		EditorNode::add_io_error("Could not find template app to export:\n"+src_pkg);
		return ERR_FILE_NOT_FOUND;
	}

	ERR_FAIL_COND_V(!pkg, ERR_CANT_OPEN);
	int ret = unzGoToFirstFile(pkg);

	zlib_filefunc_def io2=io;
	FileAccess *dst_f=NULL;
	io2.opaque=&dst_f;
	zipFile	dpkg=zipOpen2(p_path.utf8().get_data(),APPEND_STATUS_CREATE,NULL,&io2);

	String binary_to_use="godot_osx_"+String(p_debug?"debug":"release")+"."+String(use64?"64":"32");

	print_line("binary: "+binary_to_use);
	String pkg_name;
	if (app_name!="")
		pkg_name=app_name;
	else if (String(Globals::get_singleton()->get("application/name"))!="")
		pkg_name=String(Globals::get_singleton()->get("application/name"));
	else
		pkg_name="Unnamed";


	while(ret==UNZ_OK) {

		//get filename
		unz_file_info info;
		char fname[16384];
		ret = unzGetCurrentFileInfo(pkg,&info,fname,16384,NULL,0,NULL,0);

		String file=fname;

		print_line("READ: "+file);
		Vector<uint8_t> data;
		data.resize(info.uncompressed_size);

		//read
		unzOpenCurrentFile(pkg);
		unzReadCurrentFile(pkg,data.ptr(),data.size());
		unzCloseCurrentFile(pkg);

		//write

		file = file.replace_first("osx_template.app/","");


		if (file=="Contents/Info.plist") {
			print_line("parse plist");
			_fix_plist(data,pkg_name);
		}

		if (file.begins_with("Contents/MacOS/godot_")) {
			if (file!="Contents/MacOS/"+binary_to_use) {
				ret = unzGoToNextFile(pkg);
				continue; //ignore!
			}
			file="Contents/MacOS/"+pkg_name;
		}

		if (file=="Contents/Resources/icon.icns") {
			//see if there is an icon
			String iconpath = Globals::get_singleton()->get("application/icon");
			print_line("icon? "+iconpath);
			if (iconpath!="") {
				Image icon;
				icon.load(iconpath);
				if (!icon.empty()) {
					print_line("loaded?");
					_make_icon(icon,data);
				}
			}
			//bleh?
		}

		file=pkg_name+".app/"+file;

		if (data.size()>0) {
			print_line("ADDING: "+file+" size: "+itos(data.size()));

			zip_fileinfo fi;
			fi.tmz_date.tm_hour=info.tmu_date.tm_hour;
			fi.tmz_date.tm_min=info.tmu_date.tm_min;
			fi.tmz_date.tm_sec=info.tmu_date.tm_sec;
			fi.tmz_date.tm_mon=info.tmu_date.tm_mon;
			fi.tmz_date.tm_mday=info.tmu_date.tm_mday;
			fi.tmz_date.tm_year=info.tmu_date.tm_year;
			fi.dosDate=info.dosDate;
			fi.internal_fa=info.internal_fa;
			fi.external_fa=info.external_fa;

			int err = zipOpenNewFileInZip(dpkg,
				file.utf8().get_data(),
				&fi,
				NULL,
				0,
				NULL,
				0,
				NULL,
				Z_DEFLATED,
				Z_DEFAULT_COMPRESSION);

			print_line("OPEN ERR: "+itos(err));
			err = zipWriteInFileInZip(dpkg,data.ptr(),data.size());
			print_line("WRITE ERR: "+itos(err));
			zipCloseFileInZip(dpkg);
		}

		ret = unzGoToNextFile(pkg);
	}


	ep.step("Making PKG",1);

	String pack_path=EditorSettings::get_singleton()->get_settings_path()+"/tmp/data.pck";
	FileAccess *pfs = FileAccess::open(pack_path,FileAccess::WRITE);
	Error err = save_pack(pfs);
	memdelete(pfs);

	if (err) {
		zipClose(dpkg,NULL);
		unzClose(pkg);
		return err;

	}

	{
		//write datapack

		int err = zipOpenNewFileInZip(dpkg,
			(pkg_name+".app/Contents/Resources/data.pck").utf8().get_data(),
			NULL,
			NULL,
			0,
			NULL,
			0,
			NULL,
			Z_DEFLATED,
			Z_DEFAULT_COMPRESSION);


		FileAccess *pf = FileAccess::open(pack_path,FileAccess::READ);
		ERR_FAIL_COND_V(!pf,ERR_CANT_OPEN);
		const int BSIZE = 16384;
		uint8_t buf[BSIZE];

		while(true) {

			int r = pf->get_buffer(buf,BSIZE);
			if (r<=0)
				break;
			zipWriteInFileInZip(dpkg,buf,r);

		}
		zipCloseFileInZip(dpkg);
		memdelete(pf);

	}

	zipClose(dpkg,NULL);
	unzClose(pkg);

	return OK;
}


Error EditorExportPlatformOSX::run(int p_device, int p_flags) {

	return OK;
}


EditorExportPlatformOSX::EditorExportPlatformOSX() {

	Image img( _osx_logo );
	logo = Ref<ImageTexture>( memnew( ImageTexture ));
	logo->create_from_image(img);

	info="This Game is Nice";
	identifier="com.godot.macgame";
	signature="godotmacgame";
	short_version="1.0";
	version="1.0";
	use64=false;
	high_resolution=false;

}

bool EditorExportPlatformOSX::can_export(String *r_error) const {


	bool valid=true;
	String err;

	if (!exists_export_template("osx.zip")) {
		valid=false;
		err+="No export templates found.\nDownload and install export templates.\n";
	}

	if (custom_debug_package!="" && !FileAccess::exists(custom_debug_package)) {
		valid=false;
		err+="Custom debug package not found.\n";
	}

	if (custom_release_package!="" && !FileAccess::exists(custom_release_package)) {
		valid=false;
		err+="Custom release package not found.\n";
	}

	if (r_error)
		*r_error=err;

	return valid;
}


EditorExportPlatformOSX::~EditorExportPlatformOSX() {

}


void register_osx_exporter() {


	Ref<EditorExportPlatformOSX> exporter = Ref<EditorExportPlatformOSX>( memnew(EditorExportPlatformOSX) );
	EditorImportExport::get_singleton()->add_export_platform(exporter);


}