#include "bom.hpp"

#include "book.hpp"
#include "rapidxml/rapidxml.hpp"
#include <cstddef>
#include <cstdio>
#include <curl/curl.h>
#include <fstream>
#include <iterator>
#include <stdio.h>
#include <string>
#include <unordered_map>
#include <vector>

namespace bom
{
CURL* curl{NULL};
std::string result;

static size_t my_write(void* buffer, std::size_t size, std::size_t nmemb,
                       void* stream)
{
	std::string& text = *static_cast<std::string*>(stream);
	std::size_t totalsize = size * nmemb;
	text.append(static_cast<char*>(buffer), totalsize);
	return totalsize;
}

void initialise()
{
	curl_global_init(CURL_GLOBAL_DEFAULT);
	curl = curl_easy_init();
	if (curl) {
		curl_easy_setopt(curl, CURLOPT_URL,
		                 "ftp://ftp.bom.gov.au/anon/gen/fwo/IDN60920.xml");
		curl_easy_setopt(curl, CURLOPT_WRITEFUNCTION, my_write);
		curl_easy_setopt(curl, CURLOPT_WRITEDATA, &result);
		curl_easy_setopt(curl, CURLOPT_VERBOSE, 1L);
	}
}

void destroy() { curl_global_cleanup(); }

void updateBom(std::unordered_map<std::string, book::Book>& bs)
{
	CURLcode res;
	res = curl_easy_perform(curl);
	curl_easy_cleanup(curl);
	if (CURLE_OK != res) {
		fprintf(stderr, "Curl failed: %d\n", res);
	}
	rapidxml::xml_document<> d;
	d.parse<0>(&result[0]);
	rapidxml::xml_node<>* n = d.first_node();
	for (rapidxml::xml_attribute<>* a = n->first_attribute(); a;
	     a = a->next_attribute()) {
		std::cout << a->name() << ": " << a->value() << std::endl;
	}
}
} // namespace bom