import { NextRequest, NextResponse } from 'next/server';
import prisma from '@/lib/db';

export async function GET(request: NextRequest) {
  const { searchParams } = new URL(request.url);
  const sent = searchParams.get('sent');

  try {
    const where: Record<string, unknown> = {};
    if (sent !== null) where.sent = sent === 'true';

    const reminders = await prisma.reminder.findMany({
      where,
      orderBy: [{ dueDate: 'asc' }],
    });

    return NextResponse.json(
      reminders.map((r) => ({
        ...r,
        dueDate: r.dueDate.toISOString(),
      }))
    );
  } catch (error) {
    console.error('Error fetching reminders:', error);
    return NextResponse.json({ error: 'Failed to fetch reminders' }, { status: 500 });
  }
}

export async function POST(request: NextRequest) {
  let body;
  try {
    body = await request.json();
  } catch {
    return NextResponse.json({ error: 'Invalid JSON' }, { status: 400 });
  }

  const { message, dueDate } = body;

  if (!message?.trim()) {
    return NextResponse.json({ error: 'Message is required' }, { status: 400 });
  }
  if (!dueDate) {
    return NextResponse.json({ error: 'dueDate is required' }, { status: 400 });
  }

  try {
    const reminder = await prisma.reminder.create({
      data: {
        message: message.trim(),
        dueDate: new Date(dueDate),
      },
    });

    return NextResponse.json({
      ...reminder,
      dueDate: reminder.dueDate.toISOString(),
    });
  } catch (error) {
    console.error('Error creating reminder:', error);
    return NextResponse.json({ error: 'Failed to create reminder' }, { status: 500 });
  }
}