"use strict";

const assert = require("node:assert/strict");

const {zrequire, mock_esm} = require("./lib/namespace.cjs");
const {run_test} = require("./lib/test.cjs");

const topic_link_util = zrequire("topic_link_util");
const stream_data = zrequire("stream_data");
const settings_config = zrequire("settings_config");
mock_esm("../src/user_settings", {
    user_settings: {
        web_channel_default_view: settings_config.web_channel_default_view_values.channel_feed.code,
    },
});
mock_esm("../src/state_data", {
    realm: {realm_empty_topic_display_name: "general chat"},
});

const sweden_stream = {
    name: "Sweden",
    description: "Cold, mountains and home decor.",
    stream_id: 1,
    subscribed: true,
    type: "stream",
};

const denmark_stream = {
    name: "Denmark",
    description: "Vikings and boats, in a serene and cold weather.",
    stream_id: 2,
    subscribed: true,
    type: "stream",
};

const dollar_stream = {
    name: "$$MONEY$$",
    description: "Money money money",
    stream_id: 6,
    subscribed: true,
    type: "stream",
};

const markdown_stream = {
    name: "Markdown [md]",
    description: "markdown",
    stream_id: 7,
    subscribed: true,
    type: "stream",
};

stream_data.add_sub(sweden_stream);
stream_data.add_sub(denmark_stream);
stream_data.add_sub(dollar_stream);
stream_data.add_sub(markdown_stream);

run_test("stream_link_syntax_test", () => {
    assert.equal(topic_link_util.get_stream_link_syntax("Sweden"), "#**Sweden**");
    assert.equal(topic_link_util.get_stream_link_syntax("Denmark"), "#**Denmark**");
    assert.equal(
        topic_link_util.get_stream_link_syntax("$$MONEY$$"),
        "[#$$MONEY$$](#narrow/channel/6-.24.24MONEY.24.24)",
    );
    assert.equal(
        topic_link_util.get_stream_link_syntax("Markdown [md]"),
        "[#Markdown [md]](#narrow/channel/7-Markdown-.5Bmd.5D)",
    );
});

run_test("stream_topic_link_syntax_test", () => {
    assert.equal(
        topic_link_util.get_stream_topic_link_syntax("Sweden", "topic"),
        "#**Sweden>topic**",
    );
    assert.equal(
        topic_link_util.get_stream_topic_link_syntax("Sweden", "test `test` test"),
        "[#Sweden > test `test` test](#narrow/channel/1-Sweden/topic/test.20.60test.60.20test)",
    );
    assert.equal(
        topic_link_util.get_stream_topic_link_syntax("Denmark", "test `test` test`s"),
        "[#Denmark > test `test` test`s](#narrow/channel/2-Denmark/topic/test.20.60test.60.20test.60s)",
    );
    assert.equal(
        topic_link_util.get_stream_topic_link_syntax("Sweden", "error due to *"),
        "[#Sweden > error due to *](#narrow/channel/1-Sweden/topic/error.20due.20to.20*)",
    );
    assert.equal(
        topic_link_util.get_stream_topic_link_syntax("Sweden", "*asterisk"),
        "[#Sweden > *asterisk](#narrow/channel/1-Sweden/topic/*asterisk)",
    );
    assert.equal(
        topic_link_util.get_stream_topic_link_syntax("Sweden", "greaterthan>"),
        "[#Sweden > greaterthan>](#narrow/channel/1-Sweden/topic/greaterthan.3E)",
    );
    assert.equal(
        topic_link_util.get_stream_topic_link_syntax("$$MONEY$$", "dollar"),
        "[#$$MONEY$$ > dollar](#narrow/channel/6-.24.24MONEY.24.24/topic/dollar)",
    );
    assert.equal(
        topic_link_util.get_stream_topic_link_syntax("Sweden", "swe$$dish"),
        "[#Sweden > swe$$dish](#narrow/channel/1-Sweden/topic/swe.24.24dish)",
    );
    assert.equal(
        topic_link_util.get_fallback_markdown_link("Sweden"),
        "[#Sweden](#narrow/channel/1-Sweden)",
    );

    assert.equal(
        topic_link_util.get_fallback_markdown_link("$$MONEY$$"),
        "[#$$MONEY$$](#narrow/channel/6-.24.24MONEY.24.24)",
    );
    assert.equal(
        topic_link_util.get_fallback_markdown_link("Markdown [md]"),
        "[#Markdown [md]](#narrow/channel/7-Markdown-.5Bmd.5D)",
    );

    assert.equal(
        topic_link_util.get_stream_topic_link_syntax("Sweden", "&ab"),
        "[#Sweden > &ab](#narrow/channel/1-Sweden/topic/.26ab)",
    );
    assert.equal(
        topic_link_util.get_stream_topic_link_syntax("Sweden", "&ab]"),
        "[#Sweden > &ab]](#narrow/channel/1-Sweden/topic/.26ab.5D)",
    );

    assert.equal(
        topic_link_util.get_stream_topic_link_syntax("Sweden", "&a[b"),
        "[#Sweden > &a[b](#narrow/channel/1-Sweden/topic/.26a.5Bb)",
    );

    assert.equal(topic_link_util.get_stream_topic_link_syntax("Sweden", ""), "#**Sweden>**");

    assert.equal(
        topic_link_util.get_stream_topic_link_syntax("$$MONEY$$", ""),
        "[#$$MONEY$$ > translated: general chat](#narrow/channel/6-.24.24MONEY.24.24/topic/)",
    );

    assert.equal(
        topic_link_util.get_fallback_markdown_link("Sweden", "abc", 123),
        "[#Sweden > abc @ 💬](#narrow/channel/1-Sweden/topic/abc/near/123)",
    );

    assert.equal(
        topic_link_util.get_fallback_markdown_link("Sweden", "", 123),
        "[#Sweden > translated: general chat @ 💬](#narrow/channel/1-Sweden/topic//near/123)",
    );

    // Only for full coverage of the module.
    assert.equal(topic_link_util.escape_invalid_stream_topic_characters("Sweden"), "Sweden");
    assert.equal(
        topic_link_util.as_html_link_syntax_unsafe("test", "example.com"),
        '<a href="example.com">test</a>',
    );

    assert.equal(
        topic_link_util.html_unescape_invalid_stream_topic_characters("&#36;&#36;MONEY&#36;&#36;"),
        "$$MONEY$$",
    );
});