/*
 * FiveCord — a Discord client mod
 * Copyright (c) 2025 FiveCord
 * SPDX-License-Identifier: GPL-3.0-or-later
 */

import { ApplicationCommandInputType, ApplicationCommandOptionType, findOption, sendBotMessage } from "@api/Commands";
import { loggedMessages } from "@plugins/messageLoggerEnhanced/LoggedMessageManager";
import { Devs } from "@utils/constants";
import definePlugin from "@utils/types";
import { findByPropsLazy } from "@webpack";
import { MessageStore, UserStore } from "@webpack/common";
import { Channel, Message } from "discord-types/general";

const MessageActions = findByPropsLazy("deleteMessage", "startEditMessage");

async function DeleteMessages(amount: number, channel: Channel, delay: number = 1500) {
    const userId = UserStore.getCurrentUser().id;
    const messages: Message[] = MessageStore.getMessages(channel.id)._array.filter((m: Message) => m.author.id === userId).reverse();
    const parsedMessages: Message[] = JSON.parse(JSON.stringify(messages));
    const uniqueMessages: Message[] = parsedMessages.filter(message => !loggedMessages.deletedMessages[channel.id].includes(message.id));

    for (const message of uniqueMessages) {
        MessageActions.deleteMessage(channel.id, message.id);
        amount--;
        if (amount === 0) break;
        await new Promise(resolve => setTimeout(resolve, delay));
    }
}

export default definePlugin({
    name: "MessagePurge",
    description: "Purges messages from a channel",
    dependencies: ["CommandsAPI"],
    authors: [Devs.FiveCord],
    commands: [
        {
            name: "purge",
            description: "Purge a chosen amount of messages from a channel",
            options: [
                {
                    name: "amount",
                    description: "How many messages you wish to purge",
                    type: ApplicationCommandOptionType.INTEGER,
                    required: true
                },
                {
                    name: "channel",
                    description: "Channel ID you wish to purge from",
                    type: ApplicationCommandOptionType.CHANNEL,
                    required: false
                },
                {
                    name: "delay",
                    description: "Delay inbetween deleting messages",
                    type: ApplicationCommandOptionType.INTEGER,
                    required: false
                }
            ],
            inputType: ApplicationCommandInputType.BUILT_IN,
            execute: async (opts, ctx) => {
                const amount: number = findOption(opts, "amount", 0);
                const channel: Channel = findOption(opts, "channel", ctx.channel);
                const delay: number = findOption(opts, "delay", 1500);

                sendBotMessage(ctx.channel.id, {
                    content: `> deleting ${amount} messages.`
                });

                DeleteMessages(amount, channel, delay).then(() => {
                    sendBotMessage(ctx.channel.id,
                        {
                            content: `> deleted ${amount} messages`
                        }
                    );
                });
            },
        }
    ],
});