package html_test

import (
	"context"
	"fmt"
	"os"
	"os/signal"

	"go.mau.fi/mautrix-telegram/pkg/gotd/telegram"
	"go.mau.fi/mautrix-telegram/pkg/gotd/telegram/message"
	"go.mau.fi/mautrix-telegram/pkg/gotd/telegram/message/html"
	"go.mau.fi/mautrix-telegram/pkg/gotd/tg"
)

func sendHTML(ctx context.Context) error {
	client, err := telegram.ClientFromEnvironment(telegram.Options{})
	if err != nil {
		return err
	}

	// This example creates a styled message from BotAPI examples
	// and sends to your Saved Messages folder.
	// See https://core.telegram.org/bots/api#html-style.
	return client.Run(ctx, func(ctx context.Context) error {
		_, err := message.NewSender(tg.NewClient(client)).
			Self().StyledText(ctx, html.String(nil, `<b>bold</b>, <strong>bold</strong>
<i>italic</i>, <em>italic</em>
<u>underline</u>, <ins>underline</ins>
<s>strikethrough</s>, <strike>strikethrough</strike>, <del>strikethrough</del>
<span class="tg-spoiler">spoiler</span>, <tg-spoiler>spoiler</tg-spoiler>
<b>bold <i>italic bold <s>italic bold strikethrough <span class="tg-spoiler">italic bold strikethrough spoiler</span></s> <u>underline italic bold</u></i> bold</b>
<a href="http://www.example.com/">inline URL</a>
<a href="tg://user?id=123456789">inline mention of a user</a>
<tg-emoji emoji-id="5368324170671202286">👍</tg-emoji>
<code>inline fixed-width code</code>
<pre>pre-formatted fixed-width code block</pre>
<pre><code class="language-python">pre-formatted fixed-width code block written in the Python programming language</code></pre>
<blockquote>Block quotation started\nBlock quotation continued\nThe last line of the block quotation</blockquote>
<blockquote expandable>Expandable block quotation started\nExpandable block quotation continued\nExpandable block quotation continued\nHidden by default part of the block quotation started\nExpandable block quotation continued\nThe last line of the block quotation</blockquote>`))
		return err
	})
}

func ExampleString() {
	ctx, cancel := signal.NotifyContext(context.Background(), os.Interrupt)
	defer cancel()

	if err := sendHTML(ctx); err != nil {
		_, _ = fmt.Fprintf(os.Stderr, "%+v\n", err)
		os.Exit(2)
	}
}