/*
 * Vencord, a modification for Discord's desktop app
 * Copyright (c) 2023 Sofia Lima
 *
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program.  If not, see <https://www.gnu.org/licenses/>.
*/

import "./styles.css";

import { definePluginSettings } from "@api/Settings";
import { Devs } from "@utils/constants";
import definePlugin, { OptionType } from "@utils/types";
import { Message, User } from "discord-types/general";

interface UsernameProps {
    author: { nick: string; };
    message: Message;
    withMentionPrefix?: boolean;
    isRepliedMessage: boolean;
    userOverride?: User;
}

const settings = definePluginSettings({
    mode: {
        type: OptionType.SELECT,
        description: "How to display usernames and nicks",
        options: [
            { label: "Username then nickname", value: "user-nick", default: true },
            { label: "Nickname then username", value: "nick-user" },
            { label: "Username only", value: "user" },
        ],
    },
    displayNames: {
        type: OptionType.BOOLEAN,
        description: "Use display names in place of usernames",
        default: false
    },
    inReplies: {
        type: OptionType.BOOLEAN,
        default: false,
        description: "Also apply functionality to reply previews",
    },
});

export default definePlugin({
    name: "ShowMeYourName",
    description: "Display usernames next to nicks, or no nicks at all",
    authors: [Devs.dzshn, Devs.TheKodeToad],
    patches: [
        {
            find: ".withMentionPrefix",
            replacement: {
                match: /(?<=onContextMenu:\i,children:)\i\+\i/,
                replace: "$self.renderUsername(arguments[0])"
            }
        },
    ],
    settings,

    renderUsername: ({ author, message, isRepliedMessage, withMentionPrefix, userOverride }: UsernameProps) => {
        try {
            const user = userOverride ?? message.author;
            let { username } = user;
            if (settings.store.displayNames)
                username = (user as any).globalName || username;

            const { nick } = author;
            const prefix = withMentionPrefix ? "@" : "";
            if (username === nick || isRepliedMessage && !settings.store.inReplies)
                return prefix + nick;
            if (settings.store.mode === "user-nick")
                return <>{prefix}{username} <span className="vc-smyn-suffix">{nick}</span></>;
            if (settings.store.mode === "nick-user")
                return <>{prefix}{nick} <span className="vc-smyn-suffix">{username}</span></>;
            return prefix + username;
        } catch {
            return author?.nick;
        }
    },
});