package goldmark_test

import (
	"bytes"
	"testing"

	. "github.com/yuin/goldmark"
	"github.com/yuin/goldmark/ast"
	"github.com/yuin/goldmark/parser"
	"github.com/yuin/goldmark/renderer/html"
	"github.com/yuin/goldmark/testutil"
)

func TestExtras(t *testing.T) {
	markdown := New(WithRendererOptions(
		html.WithXHTML(),
		html.WithUnsafe(),
	))
	testutil.DoTestCaseFile(markdown, "_test/extra.txt", t)
}

func TestEndsWithNonSpaceCharacters(t *testing.T) {
	markdown := New(WithRendererOptions(
		html.WithXHTML(),
		html.WithUnsafe(),
	))
	source := []byte("```\na\n```")
	var b bytes.Buffer
	err := markdown.Convert(source, &b)
	if err != nil {
		t.Error(err.Error())
	}
	if b.String() != "<pre><code>a\n</code></pre>\n" {
		t.Errorf("%s \n---------\n %s", source, b.String())
	}
}

func TestWindowsNewLine(t *testing.T) {
	markdown := New(WithRendererOptions(
		html.WithXHTML(),
	))
	source := []byte("a  \r\nb\n")
	var b bytes.Buffer
	err := markdown.Convert(source, &b)
	if err != nil {
		t.Error(err.Error())
	}
	if b.String() != "<p>a<br />\nb</p>\n" {
		t.Errorf("%s\n---------\n%s", source, b.String())
	}

	source = []byte("a\\\r\nb\r\n")
	var b2 bytes.Buffer
	err = markdown.Convert(source, &b2)
	if err != nil {
		t.Error(err.Error())
	}
	if b2.String() != "<p>a<br />\nb</p>\n" {
		t.Errorf("\n%s\n---------\n%s", source, b2.String())
	}
}

type myIDs struct {
}

func (s *myIDs) Generate(value []byte, kind ast.NodeKind) []byte {
	return []byte("my-id")
}

func (s *myIDs) Put(value []byte) {
}

func TestAutogeneratedIDs(t *testing.T) {
	ctx := parser.NewContext()
	markdown := New(WithParserOptions(parser.WithAutoHeadingID()))

	source := []byte("## Não há quem goste de dor")
	var b bytes.Buffer
	err := markdown.Convert(source, &b, parser.WithContext(ctx))
	if err != nil {
		t.Error(err.Error())
	}
	if b.String() != `<h2 id="não-há-quem-goste-de-dor">Não há quem goste de dor</h2>
	` {
		t.Errorf("%s\n---------\n%s", source, b.String())
	}

	source = []byte("## 봄 꿀밤  단 꿀밤 v1.0 (2019년-1월-1일)\n### 가을  꿀밤 안단  꿀밤 v2.0  (2020년_12월_31일)")
	var b2 bytes.Buffer
	err = markdown.Convert(source, &b2, parser.WithContext(ctx))
	if err != nil {
		t.Error(err.Error())
	}
	if b2.String() != `<h2 id="봄-꿀밤-단-꿀밤-v1-0-2019년-1월-1일">봄 꿀밤  단 꿀밤 v1.0 (2019년-1월-1일)</h2>
	<h3 id="가을-꿀밤-안단-꿀밤-v2-0-2020년-12월-31일">가을  꿀밤 안단  꿀밤 v2.0  (2020년_12월_31일)</h3>
	` {
		t.Errorf("%s\n---------\n%s", source, b2.String())
	}
}