#include <stddef.h>

#include <stdint.h>

#include <errno.h>

#include <stdio.h>

#include <stdlib.h>

#include <string.h>

#include "document.h"

#include "html.h"

#include "context_test.h"

enum renderer_type {

  RENDERER_HTML,

  RENDERER_HTML_TOC,

  RENDERER_CONTEXT_TEST

};

#define DEF_IUNIT 1024

#define DEF_OUNIT 64

#define DEF_MAX_NESTING 16

struct option_data {

  char *basename;

  int done;

  /* time reporting */

  int show_time;

  /* I/O */

  size_t iunit;

  size_t ounit;

  const char *filename;

  /* renderer */

  enum renderer_type renderer;

  int toc_level;

  hoedown_html_flags html_flags;

  /* document */

  uint8_t attr_activation;

  /* parsing */

  hoedown_extensions extensions;

  size_t max_nesting;

  /* link_attributes */

  int link_attributes;

};

int LLVMFuzzerTestOneInput(const uint8_t* data, size_t size) {

  struct option_data opt;

  hoedown_buffer *ib, *ob, *meta;

  hoedown_renderer *renderer = NULL;

  void (*renderer_free)(hoedown_renderer *) = NULL;

  hoedown_document *document;

  /* Parse options */

  opt.basename = "fuzz";

  opt.done = 0;

  opt.show_time = 0;

  opt.iunit = DEF_IUNIT;

  opt.ounit = DEF_OUNIT;

  opt.filename = NULL;

  opt.renderer = RENDERER_HTML;

  opt.toc_level = 0;

  opt.attr_activation = 0;

  // opt.html_flags = 0;

  opt.html_flags = HOEDOWN_HTML_SKIP_HTML | HOEDOWN_HTML_ESCAPE | HOEDOWN_HTML_HARD_WRAP | HOEDOWN_HTML_USE_XHTML | HOEDOWN_HTML_USE_TASK_LIST | HOEDOWN_HTML_LINE_CONTINUE | HOEDOWN_HTML_HEADER_ID | HOEDOWN_HTML_FENCED_CODE_SCRIPT;

  //opt.extensions = 0;

  opt.extensions = HOEDOWN_EXT_TABLES | HOEDOWN_EXT_MULTILINE_TABLES | HOEDOWN_EXT_FENCED_CODE | HOEDOWN_EXT_FOOTNOTES | HOEDOWN_EXT_DEFINITION_LISTS | HOEDOWN_EXT_BLOCKQUOTE_EMPTY_LINE | HOEDOWN_EXT_AUTOLINK | HOEDOWN_EXT_STRIKETHROUGH | HOEDOWN_EXT_UNDERLINE | HOEDOWN_EXT_HIGHLIGHT | HOEDOWN_EXT_QUOTE | HOEDOWN_EXT_SUPERSCRIPT | HOEDOWN_EXT_MATH | HOEDOWN_EXT_NO_INTRA_EMPHASIS | HOEDOWN_EXT_SPACE_HEADERS | HOEDOWN_EXT_MATH_EXPLICIT | HOEDOWN_EXT_HTML5_BLOCKS | HOEDOWN_EXT_NO_INTRA_UNDERLINE_EMPHASIS | HOEDOWN_EXT_DISABLE_INDENTED_CODE | HOEDOWN_EXT_SPECIAL_ATTRIBUTE | HOEDOWN_EXT_SCRIPT_TAGS | HOEDOWN_EXT_META_BLOCK;

  opt.max_nesting = DEF_MAX_NESTING;

  opt.link_attributes = 0;

  /* Read everything */

  ib = hoedown_buffer_new(opt.iunit);

  hoedown_buffer_put(ib, data, size);

  renderer = hoedown_html_renderer_new(opt.html_flags, opt.toc_level);

  renderer_free = hoedown_html_renderer_free;

  /* Perform Markdown rendering */

  ob = hoedown_buffer_new(opt.ounit);

  meta = hoedown_buffer_new(opt.ounit);

  document = hoedown_document_new(renderer, opt.extensions, opt.max_nesting, opt.attr_activation, NULL, meta);

  hoedown_html_renderer_state *state;

  state = (hoedown_html_renderer_state *)renderer->opaque;

  hoedown_document_render(document, ob, ib->data, ib->size);

  /* Cleanup */

  hoedown_buffer_free(ib);

  hoedown_document_free(document);

  renderer_free(renderer);

  /* Write the result to stdout */

  // (void)fwrite(ob->data, 1, ob->size, stdout);

  hoedown_buffer_free(ob);

  hoedown_buffer_free(meta);

  return 0;

}