"use strict";

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

const _ = require("lodash");

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

const emoji = zrequire("emoji");
const emoji_frequency = zrequire("emoji_frequency");

const map = new Map();
const emoji_frequency_data = mock_esm("../src/emoji_frequency_data", {
    reaction_data: {
        set: (emoji, emoji_usage) => map.set(emoji, emoji_usage),
    },
    preferred_emoji_list() {
        const emojis = map
            .values()
            .toArray()
            .toSorted((a, b) => b.score - a.score);
        const count = emojis.length;
        const emojis_per_row = 6;
        return emojis.slice(0, count - (count % emojis_per_row));
    },
});

const emoji_picker = zrequire("emoji_picker");
const typeahead = zrequire("typeahead");

const emoji_codes = zrequire("../../static/generated/emoji/emoji_codes.json");

set_global("document", "document-stub");

run_test("initialize", () => {
    emoji.initialize({
        realm_emoji: {},
        emoji_codes,
    });
    typeahead.set_frequently_used_emojis(typeahead.get_popular_emojis());
    emoji_picker.initialize();

    const complete_emoji_catalog = _.sortBy(emoji_picker.complete_emoji_catalog, "name");
    assert.equal(complete_emoji_catalog.length, 11);
    assert.equal(emoji.emojis_by_name.size, 1884);

    let total_emoji_in_categories = 0;

    function assert_emoji_category(ele, icon, num) {
        assert.equal(ele.icon, icon);
        assert.equal(ele.emojis.length, num);
        function check_emojis(val) {
            for (const this_emoji of ele.emojis) {
                assert.equal(this_emoji.is_realm_emoji, val);
            }
        }
        if (ele.name === "Custom") {
            check_emojis(true);
        } else {
            check_emojis(false);
            total_emoji_in_categories += ele.emojis.length;
        }
    }
    const popular_emoji_count = 6;
    const zulip_emoji_count = 1;
    assert_emoji_category(complete_emoji_catalog.pop(), "fa-car", 195);
    assert_emoji_category(complete_emoji_catalog.pop(), "fa-hashtag", 224);
    assert_emoji_category(complete_emoji_catalog.pop(), "fa-smile-o", 169);
    assert_emoji_category(complete_emoji_catalog.pop(), "fa-thumbs-o-up", 386);
    assert_emoji_category(complete_emoji_catalog.pop(), "fa-lightbulb-o", 264);
    assert_emoji_category(complete_emoji_catalog.pop(), "fa-star-o", popular_emoji_count);
    assert_emoji_category(complete_emoji_catalog.pop(), "fa-cutlery", 131);
    assert_emoji_category(complete_emoji_catalog.pop(), "fa-flag", 270);
    assert_emoji_category(complete_emoji_catalog.pop(), "fa-cog", 1);
    assert_emoji_category(complete_emoji_catalog.pop(), "fa-leaf", 159);
    assert_emoji_category(complete_emoji_catalog.pop(), "fa-soccer-ball-o", 85);

    // The popular emoji appear twice in the picker, and the zulip emoji is special
    assert.equal(
        emoji.emojis_by_name.size,
        total_emoji_in_categories - popular_emoji_count + zulip_emoji_count,
    );

    const make_emoji = (emoji_code, score) => ({
        emoji_code,
        emoji_type: "unicode_emoji",
        score,
    });

    // Note: The 18 here no longer matches POPULAR_EMOJIS_BONUS_WEIGHT
    const popular_emojis = typeahead.popular_emojis.map((emoji_code) => make_emoji(emoji_code, 18));
    const non_popular_emoji_codes = [
        "1f3df", // stadium
        "1f4b0", // money bag
        "1f3e3", // japanese post office
        "1f43c", // panda face
        "1f648", // see no evil
        "1f600", // grinning face
        "1f680", // rocket
    ];
    const non_popular_emojis_usage = Array.from(
        non_popular_emoji_codes,
        (non_popular_emoji_code, i) => make_emoji(non_popular_emoji_code, i + 10),
    );
    for (const emoji of [...popular_emojis, ...non_popular_emojis_usage]) {
        emoji_frequency_data.reaction_data.set(emoji.emoji_code, emoji);
    }
    emoji_frequency.update_frequently_used_emojis_list();
    non_popular_emoji_codes.reverse();

    assert.equal(typeahead.frequently_used_emojis.length, 12);
    assert.deepEqual(
        typeahead.frequently_used_emojis.map((emoji) => emoji.emoji_code),
        [...typeahead.popular_emojis, ...non_popular_emoji_codes.slice(0, 6)],
    );
});

run_test("is_emoji_present_in_text", () => {
    const thermometer_emoji = {
        name: "thermometer",
        emoji_code: "1f321",
        reaction_type: "unicode_emoji",
    };
    const headphones_emoji = {
        name: "headphones",
        emoji_code: "1f3a7",
        reaction_type: "unicode_emoji",
    };
    assert.equal(emoji_picker.is_emoji_present_in_text("🌡", thermometer_emoji), true);
    assert.equal(
        emoji_picker.is_emoji_present_in_text("no emojis at all", thermometer_emoji),
        false,
    );
    assert.equal(emoji_picker.is_emoji_present_in_text("😎", thermometer_emoji), false);
    assert.equal(emoji_picker.is_emoji_present_in_text("😎🌡🎧", thermometer_emoji), true);
    assert.equal(emoji_picker.is_emoji_present_in_text("😎🎧", thermometer_emoji), false);
    assert.equal(emoji_picker.is_emoji_present_in_text("😎🌡🎧", headphones_emoji), true);
    assert.equal(
        emoji_picker.is_emoji_present_in_text("emojis with text 😎🌡🎧", thermometer_emoji),
        true,
    );
    assert.equal(
        emoji_picker.is_emoji_present_in_text("emojis with text no space😎🌡🎧", headphones_emoji),
        true,
    );
});