balabola-vk/src/handlers/balabola.ts

import { Keyboard, MessageContext } from "vk-io";
import { balabola } from "../balabola_api";
import { Composer } from "../composer";
import { is, isHasText } from "../filters";
import { throttledQueue } from "../utilities/throttledQueue";

export const composer = new Composer<MessageContext>();

const filter = composer
    .filter(is(isHasText), composer.compose());

const throttledBalabola = throttledQueue(1, 1000);

const selectStyleKeyboard = <C extends MessageContext>(ctx: C) => {
    return Keyboard.builder()
        .textButton({ label: '1', payload: { command: 'пр 0 ' + ctx.$match[1] } })
        .textButton({ label: '2', payload: { command: 'пр 24 ' + ctx.$match[1] } })
        .textButton({ label: '3', payload: { command: 'пр 25 ' + ctx.$match[1] } })
        .textButton({ label: '4', payload: { command: 'пр 11 ' + ctx.$match[1] } })
        .row()
        .textButton({ label: '5', payload: { command: 'пр 6 ' + ctx.$match[1] } })
        .textButton({ label: '6', payload: { command: 'пр 8 ' + ctx.$match[1] } })
        .textButton({ label: '7', payload: { command: 'пр 9 ' + ctx.$match[1] } })
        .row()
        .textButton({ label: 'чзх', payload: { command: 'help' } })
        .inline();
};

const balabolaMessage = `Выбери стилизацию ответа:
1: без стилизации
2: инструкция
3: рецепт
4: мудрость
5: история
6: википедия
7: синопсис
более подробно команда help`;

const BALABOLA_INTROS = [0, 24, 25, 11, 6, 8, 9];

const spammers = new Map<number, number>();

filter.use((ctx, next) => {
    if (spammers.has(ctx.senderId) && spammers.get(ctx.senderId)! > Date.now()) {
        return ctx.reply('отказ', { disable_mentions: true });
    }

    spammers.set(ctx.senderId, Date.now() + 5000);
    return next();
});

filter.hear(/^(?:продолжи)\s(.*)?$/i, async (ctx, next) => {
    if (ctx.isChat) {
        ctx.text = `пр 1 ${ctx.$match[1]}`;
        return next();
    }

    await ctx.send(balabolaMessage, {
        keyboard: selectStyleKeyboard(ctx)
    });
});

filter.hear(/^(?:пр)\s(1|2|3|4|5|6|7)\s(.*)?$/i, async ctx => {
    const intro = ctx.$match[1];
    const query = ctx.$match[2];

    await ctx.send('генерирую!!!');
    const result = await throttledBalabola(() => balabola(query, BALABOLA_INTROS[+intro - 1]));
    await ctx.send(result);
});

filter.use(async ctx => {
    if (ctx.isChat) return;

    await ctx.send('генерирую!!');
    const result = await throttledBalabola(() => balabola(ctx.text!, 0));
    await ctx.send(result);
});