#include "notificationsimpl.h"
#include "wrap/domparser.h"
#include "xsltStreamSerializer.h"
#include <documents.h>
#include <notifications/xslt/base.h>
#include <notifications/xslt/news.h>
#include <notifications/xslt/signup.h>
#include <slicer/slicer.h>
#include <xsltInternals.h>

#define BADCAST(str) reinterpret_cast<const unsigned char *>(str)

namespace Gentoo::Service {
	xmlDocPtr
	xsltDocLoaderFunc(const xmlChar * URI, xmlDictPtr, int, void *, xsltLoadType)
	{
#define MATCH(name) \
	if (xmlStrcmp(URI, BADCAST(#name ".xslt")) == 0) { \
		return xmlParseMemory(reinterpret_cast<const char *>(name##_xslt), static_cast<int>(name##_xslt_len)); \
	}
		MATCH(base)
		MATCH(news)
		MATCH(signup)
		return nullptr;
#undef MATCH
	}

	Notifications::Notifications()
	{
		xsltSetLoaderFunc(&xsltDocLoaderFunc);
		news = xsltSSPtr(xsltParseStylesheetFile(BADCAST("news.xslt")), xsltFreeStylesheet);
		signup = xsltSSPtr(xsltParseStylesheetFile(BADCAST("signup.xslt")), xsltFreeStylesheet);
		xsltSetLoaderFunc(nullptr);
	}

	IceTray::Mail::EmailPtr
	Notifications::getSignup(const Gentoo::NewUserPtr & u)
	{
		auto e = basicMail("Welcome", u);
		Slicer::SerializeAny<XsltStreamSerializer>(u, e, signup.get());
		return e;
	}

	IceTray::Mail::EmailPtr
	Notifications::getNews(const Gentoo::UserPtr & u, const Gentoo::NewsContent & c)
	{
		auto e = basicMail("Latest updates", u);
		Slicer::SerializeAny<XsltStreamSerializer>(c, e, news.get());
		return e;
	}

	IceTray::Mail::EmailPtr
	Notifications::basicMail(const std::string & subject, const Gentoo::UserPtr & u)
	{
		auto e = std::make_shared<IceTray::Mail::Email>();
		e->subject = "Gentoo Browse: " + subject;
		e->from.name = "Gentoo Browse";
		e->from.address = "noreply@gentoobrowse.randomdan.homeip.net";
		e->to.name = u->userrealname;
		e->to.address = u->useremail;
		return e;
	}
}