#include "cms_page.h"
#include "cms_err.h"
#include <stdlib.h>
#include <stddef.h>
#include <string.h>
#include <dirent.h>
#include <sys/types.h>
#include <errno.h>

cms_page* cms_page_create()
{
	cms_page* page = malloc(sizeof(cms_page));
	if (page == NULL)
		cms_err_panic(CMS_ERR_ALLOC, NULL);
	return page;
}

cms_err cms_page_parse(cms_page* page, char* str)
{
	size_t len = strlen(str) + 1;

	page->_str = malloc(len * sizeof(char));

	if (page->_str == 0)
		return CMS_ERR_ALLOC;

	memcpy(page->_str, str, len * sizeof(char));

	page->title = page->_str;

	size_t line = 0;
	for (size_t i = 0; i < len; ++i)
	{
		char c = str[i];

		switch (c)
		{
		case '\n':
			line += 1;
			if (line == 1)
				page->slug = (page->_str + i + 1);

		case '\r':
			page->_str[i] = '\0';
			break;
		}

		if (line == 2)
			break;
	}

	if (line == 2)
		return CMS_ERR_NONE;
	else
		return CMS_ERR_PARSE;
}

cms_err cms_page_add_post(cms_page* page, cms_post* post)
{
	page->numposts += 1;
	page->posts = realloc(page->posts, page->numposts * sizeof(cms_post));

	if (page->posts == NULL)
		return CMS_ERR_ALLOC;

	page->posts[page->numposts - 1] = *post;

	return CMS_ERR_NONE;
}

cms_err cms_page_create_tree(cms_page* root, const char* path)
{
	DIR* dp = opendir(path);
	if (dp == NULL)
		return cms_err_from_std_err(errno);

	closedir(dp);

	return CMS_ERR_NONE;
}