package emoji

import (
	"fmt"
	"strings"
	"testing"

	"github.com/yuin/goldmark"
	east "github.com/yuin/goldmark-emoji/ast"
	"github.com/yuin/goldmark-emoji/definition"
	"github.com/yuin/goldmark/renderer/html"
	"github.com/yuin/goldmark/testutil"
	"github.com/yuin/goldmark/util"
)

func TestOptions(t *testing.T) {
	markdown := goldmark.New(
		goldmark.WithExtensions(
			Emoji,
		),
	)
	count := 0

	count++
	testutil.DoTestCase(markdown, testutil.MarkdownTestCase{
		No:          count,
		Description: "default",
		Markdown: strings.TrimSpace(`
		Lucky :ok_man:
		`),
		Expected: strings.TrimSpace(`
		<p>Lucky &#x1f646;&zwj;&#x2642;&#xfe0f;</p>
		`),
	}, t)

	markdown = goldmark.New(
		goldmark.WithExtensions(
			New(
				WithRenderingMethod(Twemoji),
			),
		),
	)

	count++
	testutil.DoTestCase(markdown, testutil.MarkdownTestCase{
		No:          count,
		Description: "twemoji(HTML5)",
		Markdown: strings.TrimSpace(`
		Lucky :joy:
		`),
		Expected: strings.TrimSpace(`
		<p>Lucky <img class="emoji" draggable="false" alt="face with tears of joy" src="https://cdn.jsdelivr.net/gh/twitter/twemoji@latest/assets/72x72/1f602.png"></p>
		`),
	}, t)

	markdown = goldmark.New(
		goldmark.WithExtensions(
			New(
				WithRenderingMethod(Twemoji),
			),
		),
		goldmark.WithRendererOptions(
			html.WithXHTML(),
		),
	)

	count++
	testutil.DoTestCase(markdown, testutil.MarkdownTestCase{
		No:          count,
		Description: "twemoji(XHTML)",
		Markdown: strings.TrimSpace(`
		Lucky :joy:
		`),
		Expected: strings.TrimSpace(`
		<p>Lucky <img class="emoji" draggable="false" alt="face with tears of joy" src="https://cdn.jsdelivr.net/gh/twitter/twemoji@latest/assets/72x72/1f602.png" /></p>
		`),
	}, t)

	markdown = goldmark.New(
		goldmark.WithExtensions(
			New(
				WithRenderingMethod(Twemoji),
				WithTwemojiTemplate(`<img class="myclass" draggable="false" alt="%[1]s" src="https://cdn.jsdelivr.net/gh/twitter/twemoji@latest/assets/36x36/%[2]s.png"%[3]s>`),
			),
		),
	)

	count++
	testutil.DoTestCase(markdown, testutil.MarkdownTestCase{
		No:          count,
		Description: "twemoji with customized template",
		Markdown: strings.TrimSpace(`
		Lucky :joy:
		`),
		Expected: strings.TrimSpace(`
        <p>Lucky <img class="myclass" draggable="false" alt="face with tears of joy" src="https://cdn.jsdelivr.net/gh/twitter/twemoji@latest/assets/36x36/1f602.png"></p>
		`),
	}, t)

	markdown = goldmark.New(
		goldmark.WithExtensions(
			New(
				WithEmojis(definition.NewEmojis(definition.NewEmoji(
					"Standing man",
					[]rune{0x1f9cd, 0x200d, 0x2642, 0xfe0f},
					"man_standing",
				))),
			),
		),
	)

	count++
	testutil.DoTestCase(markdown, testutil.MarkdownTestCase{
		No:          count,
		Description: "twemoji with customized emoji definitions",
		Markdown: strings.TrimSpace(`
		Lucky :joy: :man_standing:
		`),
		Expected: strings.TrimSpace(`
		<p>Lucky :joy: &#x1f9cd;&zwj;&#x2642;&#xfe0f;</p>
		`),
	}, t)

	markdown = goldmark.New(
		goldmark.WithExtensions(
			New(
				WithEmojis(
					definition.Github(
						definition.WithEmojis(
							definition.NewEmoji(
								"Standing man",
								[]rune{0x1f9cd, 0x200d, 0x2642, 0xfe0f},
								"man_standing",
							),
						),
					),
				),
			),
		),
	)

	count++
	testutil.DoTestCase(markdown, testutil.MarkdownTestCase{
		No:          count,
		Description: "twemoji with github emojis that are customized",
		Markdown: strings.TrimSpace(`
		Lucky :joy: :man_standing:
		`),
		Expected: strings.TrimSpace(`
        <p>Lucky &#x1f602; &#x1f9cd;&zwj;&#x2642;&#xfe0f;</p>
		`),
	}, t)

	markdown = goldmark.New(
		goldmark.WithExtensions(
			New(
				WithEmojis(
					definition.NewEmojis(
						definition.NewEmoji("Fast parrot", nil, "fastparrot"),
					),
				),
				WithRenderingMethod(Func),
				WithRendererFunc(func(w util.BufWriter, source []byte, n *east.Emoji, config *RendererConfig) {

					fmt.Fprintf(w, `<img class="emoji" alt="%s" src="https://cultofthepartyparrot.com/parrots/hd/%s.gif>`, n.Value.Name, n.Value.ShortNames[0])
				}),
			),
		),
	)

	count++
	testutil.DoTestCase(markdown, testutil.MarkdownTestCase{
		No:          count,
		Description: "Using RendererFunc to render original emojis",
		Markdown: strings.TrimSpace(`
		:fastparrot:
		`),
		Expected: strings.TrimSpace(`
		<p><img class="emoji" alt="Fast parrot" src="https://cultofthepartyparrot.com/parrots/hd/fastparrot.gif></p>
		`),
	}, t)

	markdown = goldmark.New(
		goldmark.WithExtensions(
			New(
				WithRenderingMethod(Unicode),
			),
		),
	)

	count++
	testutil.DoTestCase(markdown, testutil.MarkdownTestCase{
		No:          count,
		Description: "unicode",
		Markdown: strings.TrimSpace(`
		Lucky :joy:
		`),
		Expected: strings.TrimSpace(`
		<p>Lucky 😂</p>
		`),
	}, t)

	markdown = goldmark.New(
		goldmark.WithExtensions(
			New(
				WithEmojis(
					definition.NewEmojis(
						definition.NewEmoji("Fast parrot", nil, "fastparrot"),
					),
				),
				WithRenderingMethod(Twemoji),
			),
		),
	)

	count++
	testutil.DoTestCase(markdown, testutil.MarkdownTestCase{
		No:          count,
		Description: "Non-unicode emoji in twemoji",
		Markdown: strings.TrimSpace(`
		:fastparrot:
		`),
		Expected: strings.TrimSpace(`
		<p><span title="Fast parrot">:fastparrot:</span></p>
		`),
	}, t)

	markdown = goldmark.New(
		goldmark.WithExtensions(
			New(
				WithEmojis(
					definition.NewEmojis(
						definition.NewEmoji("Fast parrot", nil, "fastparrot"),
					),
				),
				WithRenderingMethod(Entity),
			),
		),
	)

	count++
	testutil.DoTestCase(markdown, testutil.MarkdownTestCase{
		No:          count,
		Description: "Non-unicode emoji in entity",
		Markdown: strings.TrimSpace(`
		:fastparrot:
		`),
		Expected: strings.TrimSpace(`
		<p><span title="Fast parrot">:fastparrot:</span></p>
		`),
	}, t)

	markdown = goldmark.New(
		goldmark.WithExtensions(
			New(
				WithEmojis(
					definition.NewEmojis(
						definition.NewEmoji("Fast parrot", nil, "fastparrot"),
					),
				),
				WithRenderingMethod(Unicode),
			),
		),
	)

	count++
	testutil.DoTestCase(markdown, testutil.MarkdownTestCase{
		No:          count,
		Description: "Non-unicode emoji in unicode",
		Markdown: strings.TrimSpace(`
		:fastparrot:
		`),
		Expected: strings.TrimSpace(`
		<p><span title="Fast parrot">:fastparrot:</span></p>
		`),
	}, t)
}