#include <stdio.h>
#include <stdlib.h>
#include <string.h>

#include "cmark.h"
#include "node.h"

#include "harness.h"

static void
accessors(test_batch_runner *runner)
{
	static const unsigned char markdown[] =
		"## Header\n"
		"\n"
		"* Item 1\n"
		"* Item 2\n"
		"\n"
		"2. Item 1\n"
		"\n"
		"3. Item 2\n"
		"\n"
		"\n"
		"    code\n"
		"\n"
		"``` lang\n"
		"fenced\n"
		"```\n"
		"\n"
		"<div>html</div>\n"
		"\n"
		"[link](url 'title')\n";

	cmark_node *doc = cmark_parse_document(markdown, sizeof(markdown) - 1);

	// Getters

	cmark_node *header = cmark_node_first_child(doc);
	INT_EQ(runner, cmark_node_get_type(header), CMARK_NODE_ATX_HEADER,
	       "get_type header");
	INT_EQ(runner, cmark_node_get_header_level(header), 2,
	       "get_header_level");

	cmark_node *bullet_list = cmark_node_next(header);
	INT_EQ(runner, cmark_node_get_type(bullet_list), CMARK_NODE_LIST,
	       "get_type bullet list");
	INT_EQ(runner, cmark_node_get_list_type(bullet_list),
	       CMARK_BULLET_LIST, "get_list_type bullet");
	INT_EQ(runner, cmark_node_get_list_tight(bullet_list), 1,
	       "get_list_tight tight");

	cmark_node *ordered_list = cmark_node_next(bullet_list);
	INT_EQ(runner, cmark_node_get_type(ordered_list), CMARK_NODE_LIST,
	       "get_type ordered list");
	INT_EQ(runner, cmark_node_get_list_type(ordered_list),
	       CMARK_ORDERED_LIST, "get_list_type ordered");
	INT_EQ(runner, cmark_node_get_list_start(ordered_list), 2,
	       "get_list_start");
	INT_EQ(runner, cmark_node_get_list_tight(ordered_list), 0,
	       "get_list_tight loose");

	cmark_node *code = cmark_node_next(ordered_list);
	INT_EQ(runner, cmark_node_get_type(code), CMARK_NODE_INDENTED_CODE,
	       "get_type indented code");
	STR_EQ(runner, cmark_node_get_string_content(code), "code\n",
	       "get_string_content indented code");

	cmark_node *fenced = cmark_node_next(code);
	INT_EQ(runner, cmark_node_get_type(fenced), CMARK_NODE_FENCED_CODE,
	       "get_type fenced code");
	STR_EQ(runner, cmark_node_get_string_content(fenced), "fenced\n",
	       "get_string_content fenced code");
	STR_EQ(runner, cmark_node_get_fence_info(fenced), "lang",
	       "get_fence_info");

	cmark_node *html = cmark_node_next(fenced);
	INT_EQ(runner, cmark_node_get_type(html), CMARK_NODE_HTML,
	       "get_type html");
	STR_EQ(runner, cmark_node_get_string_content(html),
	       "<div>html</div>\n", "get_string_content html");

	cmark_node *paragraph = cmark_node_next(html);
	INT_EQ(runner, cmark_node_get_type(paragraph), CMARK_NODE_PARAGRAPH,
	       "get_type paragraph");
	INT_EQ(runner, cmark_node_get_start_line(paragraph), 19,
	       "get_start_line");
	INT_EQ(runner, cmark_node_get_start_column(paragraph), 1,
	       "get_start_column");
	INT_EQ(runner, cmark_node_get_end_line(paragraph), 19,
	       "get_end_line");

	cmark_node *link = cmark_node_first_child(paragraph);
	INT_EQ(runner, cmark_node_get_type(link), CMARK_NODE_LINK,
	       "get_type link");
	STR_EQ(runner, cmark_node_get_url(link), "url",
	       "get_url");
	STR_EQ(runner, cmark_node_get_title(link), "title",
	       "get_title");

	cmark_node *string = cmark_node_first_child(link);
	INT_EQ(runner, cmark_node_get_type(string), CMARK_NODE_STRING,
	       "get_type string");
	STR_EQ(runner, cmark_node_get_string_content(string), "link",
	       "get_string_content string");

	// Setters

	OK(runner, cmark_node_set_header_level(header, 3),
	   "set_header_level");

	OK(runner, cmark_node_set_list_type(bullet_list, CMARK_ORDERED_LIST),
	   "set_list_type ordered");
	OK(runner, cmark_node_set_list_start(bullet_list, 3),
	   "set_list_start");
	OK(runner, cmark_node_set_list_tight(bullet_list, 0),
	   "set_list_tight loose");

	OK(runner, cmark_node_set_list_type(ordered_list, CMARK_BULLET_LIST),
	   "set_list_type bullet");
	OK(runner, cmark_node_set_list_tight(ordered_list, 1),
	   "set_list_tight tight");

	OK(runner, cmark_node_set_string_content(code, "CODE\n"),
	   "set_string_content indented code");

	OK(runner, cmark_node_set_string_content(fenced, "FENCED\n"),
	   "set_string_content fenced code");
	OK(runner, cmark_node_set_fence_info(fenced, "LANG"),
	   "set_fence_info");

	OK(runner, cmark_node_set_string_content(html, "<div>HTML</div>\n"),
	   "set_string_content html");

	OK(runner, cmark_node_set_url(link, "URL"),
	   "set_url");
	OK(runner, cmark_node_set_title(link, "TITLE"),
	   "set_title");

	OK(runner, cmark_node_set_string_content(string, "LINK"),
	   "set_string_content string");

	char *rendered_html = (char *)cmark_render_html(doc);
	static const char expected_html[] =
		"<h3>Header</h3>\n"
		"<ol start=\"3\">\n"
		"<li>\n"
		"<p>Item 1</p>\n"
		"</li>\n"
		"<li>\n"
		"<p>Item 2</p>\n"
		"</li>\n"
		"</ol>\n"
		"<ul start=\"2\">\n"
		"<li>Item 1</li>\n"
		"<li>Item 2</li>\n"
		"</ul>\n"
		"<pre><code>CODE\n"
		"</code></pre>\n"
		"<pre><code class=\"language-LANG\">FENCED\n"
		"</code></pre>\n"
		"<div>HTML</div>\n"
		"<p><a href=\"URL\" title=\"TITLE\">LINK</a></p>\n";
	STR_EQ(runner, rendered_html, expected_html, "setters work");
	free(rendered_html);

	// Getter errors

	INT_EQ(runner, cmark_node_get_header_level(bullet_list), 0,
	       "get_header_level error");
	INT_EQ(runner, cmark_node_get_list_type(header), CMARK_NO_LIST,
	       "get_list_type error");
	INT_EQ(runner, cmark_node_get_list_start(code), 0,
	       "get_list_start error");
	INT_EQ(runner, cmark_node_get_list_tight(fenced), 0,
	       "get_list_tight error");
	OK(runner, cmark_node_get_string_content(ordered_list) == NULL,
	   "get_string_content error");
	OK(runner, cmark_node_get_fence_info(paragraph) == NULL,
	   "get_fence_info error");
	OK(runner, cmark_node_get_url(html) == NULL,
	   "get_url error");
	OK(runner, cmark_node_get_title(header) == NULL,
	   "get_title error");

	// Setter errors

	OK(runner, !cmark_node_set_header_level(bullet_list, 3),
	   "set_header_level error");
	OK(runner, !cmark_node_set_list_type(header, CMARK_ORDERED_LIST),
	   "set_list_type error");
	OK(runner, !cmark_node_set_list_start(code, 3),
	   "set_list_start error");
	OK(runner, !cmark_node_set_list_tight(fenced, 0),
	   "set_list_tight error");
	OK(runner, !cmark_node_set_string_content(ordered_list, "content\n"),
	   "set_string_content error");
	OK(runner, !cmark_node_set_fence_info(paragraph, "lang"),
	   "set_fence_info error");
	OK(runner, !cmark_node_set_url(html, "url"),
	   "set_url error");
	OK(runner, !cmark_node_set_title(header, "title"),
	   "set_title error");

	cmark_node_destroy(doc);
}

static void
create_tree(test_batch_runner *runner)
{
	char *html;
	cmark_node *doc = cmark_node_new(CMARK_NODE_DOCUMENT);

	cmark_node *p = cmark_node_new(CMARK_NODE_PARAGRAPH);
	OK(runner, cmark_node_append_child(doc, p), "append1");
	INT_EQ(runner, cmark_node_check(doc), 0, "append1 consistent");

	cmark_node *emph = cmark_node_new(CMARK_NODE_EMPH);
	OK(runner, cmark_node_prepend_child(p, emph), "prepend1");
	INT_EQ(runner, cmark_node_check(doc), 0, "prepend1 consistent");

	cmark_node *str1 = cmark_node_new(CMARK_NODE_STRING);
	cmark_node_set_string_content(str1, "Hello, ");
	OK(runner, cmark_node_prepend_child(p, str1), "prepend2");
	INT_EQ(runner, cmark_node_check(doc), 0, "prepend2 consistent");

	cmark_node *str3 = cmark_node_new(CMARK_NODE_STRING);
	cmark_node_set_string_content(str3, "!");
	OK(runner, cmark_node_append_child(p, str3), "append2");
	INT_EQ(runner, cmark_node_check(doc), 0, "append2 consistent");

	cmark_node *str2 = cmark_node_new(CMARK_NODE_STRING);
	cmark_node_set_string_content(str2, "world");
	OK(runner, cmark_node_append_child(emph, str2), "append3");
	INT_EQ(runner, cmark_node_check(doc), 0, "append3 consistent");

	html = (char *)cmark_render_html(doc);
	STR_EQ(runner, html, "<p>Hello, <em>world</em>!</p>\n",
	       "render_html");
	free(html);

	OK(runner, cmark_node_insert_before(str1, str3), "ins before1");
	INT_EQ(runner, cmark_node_check(doc), 0, "ins before1 consistent");
	// 31e
	OK(runner, cmark_node_first_child(p) == str3, "ins before1 works");

	OK(runner, cmark_node_insert_before(str1, emph), "ins before2");
	INT_EQ(runner, cmark_node_check(doc), 0, "ins before2 consistent");
	// 3e1
	OK(runner, cmark_node_last_child(p) == str1, "ins before2 works");

	OK(runner, cmark_node_insert_after(str1, str3), "ins after1");
	INT_EQ(runner, cmark_node_check(doc), 0, "ins after1 consistent");
	// e13
	OK(runner, cmark_node_last_child(p) == str3, "ins after1 works");

	OK(runner, cmark_node_insert_after(str1, emph), "ins after2");
	INT_EQ(runner, cmark_node_check(doc), 0, "ins after2 consistent");
	// 1e3
	OK(runner, cmark_node_first_child(p) == str1, "ins after2 works");

	html = (char *)cmark_render_html(doc);
	STR_EQ(runner, html, "<p>Hello, <em>world</em>!</p>\n",
	       "render_html after shuffling");
	free(html);

	cmark_node_destroy(doc);
}

int main() {
	int retval;
	test_batch_runner *runner = test_batch_runner_new();

	accessors(runner);
	create_tree(runner);

	test_print_summary(runner);
	retval =  test_ok(runner) ? 0 : 1;
	free(runner);

	return retval;
}