import type { Telegraf } from 'telegraf';
import type { Database } from 'better-sqlite3';
import { todayString } from '../utils/date';
import { getScheduleByDate } from '../db/schedule';
import { getSessionByDate } from '../db/sessions';
import { formatDuration } from '../utils/duration';

export async function sendMorningReminder(bot: Telegraf, db: Database, chatId: string): Promise<void> {
  const today = todayString();
  const scheduled = getScheduleByDate(db, today);
  if (!scheduled || scheduled.status !== 'pending') return;

  const session = getSessionByDate(db, today);
  if (session) return;

  await bot.telegram.sendMessage(
    chatId,
    `Good morning! You have a ${formatDuration(scheduled.planned_min)} session planned today.\n\nUse /log when done, /skip if you can't make it, or /snooze to remind you later.`
  );
}

export async function sendEveningNudge(bot: Telegraf, db: Database, chatId: string): Promise<void> {
  const today = todayString();
  const scheduled = getScheduleByDate(db, today);
  if (!scheduled || scheduled.status !== 'pending') return;

  const session = getSessionByDate(db, today);
  if (session) return;

  await bot.telegram.sendMessage(
    chatId,
    `Still time for today's session (${formatDuration(scheduled.planned_min)})!\n\nUse /log to record it, or /skip to mark it as skipped.`
  );
}