#include <stdio.h>
#include <libsoup/soup.h>
#include <manga.h>
#include <libxml/HTMLparser.h>
#include <libxml/xpath.h>

const char *mangafox_url =
	"https://mangafox.fun";

struct Manga *
parse_main_mangafox_page (
		const xmlDocPtr html_document,
		const size_t *size);
xmlXPathObjectPtr
get_nodes_xpath_expression (
		const xmlDocPtr document,
		char *xpath);
void
retrieve_mangafox_title() {
	SoupSession
		*soup_session;
	SoupMessage *msg;
	GValue response = G_VALUE_INIT;
	guint status;
	gsize size_response_text;
	xmlDocPtr html_response;
	
	g_value_init (&response, G_TYPE_BYTES);

	soup_session = 
		soup_session_new();
	msg = 
		soup_message_new(
			"GET",
			mangafox_url
			);
	status = 
		soup_session_send_message (soup_session, msg);
	g_object_get_property(
			G_OBJECT (msg),
			"response-body-data",
			&response);
	const char *response_text = 
		g_bytes_get_data (
				(GBytes *)
				g_value_peek_pointer 
				(&response),
				&size_response_text
				);
	html_response = htmlReadMemory (response_text,
			size_response_text,
			NULL,
			NULL,
			HTML_PARSE_RECOVER | HTML_PARSE_NODEFDTD 
			| HTML_PARSE_NOERROR | HTML_PARSE_NOWARNING
			);
	size_t manga_size;
	parse_main_mangafox_page (html_response, &manga_size);
	printf("%u\n", status);
}


struct Manga *
parse_main_mangafox_page (
		const xmlDocPtr html_document,
		const size_t *size) {
	xmlIndentTreeOutput = 1;
//	xmlDocDump (stderr, html_document);
	xmlXPathObjectPtr xpath_result = get_nodes_xpath_expression (html_document,
			"//a");
	if (!xpath_result) {
		fprintf(stderr, "Empty xpath result\n");
		return NULL;
	}
	xmlNodeSetPtr node_set = xpath_result->nodesetval;
	printf("%d\n", node_set->nodeNr);
	for (int i = 0; i < node_set->nodeNr; i++) {
		xmlNodePtr node = node_set->nodeTab[i];
			for (xmlAttr *attrs = node->properties; attrs->next; attrs=attrs->next) {
				if (!xmlStrcmp(attrs->name, (const xmlChar *)"href")) {
					printf("%s\n", (const char *)attrs->children->content);
				}
			}
		
	}
}

xmlXPathObjectPtr
get_nodes_xpath_expression (
		const xmlDocPtr document,
		char *xpath) {
	xmlXPathContextPtr context;
	xmlXPathObjectPtr result;

	context = xmlXPathNewContext (document);
	if (!context) {
		fprintf(stderr, "Error in xmlXpathNewContext\n");
		return NULL;
	}
	result = xmlXPathEvalExpression ((const xmlChar *)xpath, context);
	return result;
}