import { NextRequest, NextResponse } from 'next/server';
import {
  deleteCallTask,
  getCallTask,
  updateCallTask,
} from '@/lib/firestore';
import { Timestamp } from 'firebase/firestore';

export async function GET(
  request: NextRequest,
  { params }: { params: { id: string } }
) {
  try {
    // TODO: Get userId from auth token
    const userId = 'test-user-id'; // Replace with actual auth
    const task = await getCallTask(params.id);

    if (!task || task.userId !== userId) {
      return NextResponse.json({ error: 'Task not found' }, { status: 404 });
    }

    return NextResponse.json({ task });
  } catch (error) {
    console.error('Error fetching call task:', error);
    return NextResponse.json({ error: 'Failed to fetch task' }, { status: 500 });
  }
}

export async function PATCH(
  request: NextRequest,
  { params }: { params: { id: string } }
) {
  try {
    const body = await request.json();
    // TODO: Get userId from auth token
    const userId = 'test-user-id'; // Replace with actual auth

    const existing = await getCallTask(params.id);
    if (!existing || existing.userId !== userId) {
      return NextResponse.json({ error: 'Task not found' }, { status: 404 });
    }

    const updates: Record<string, unknown> = { ...body };
    if (updates.scheduledAt) {
      updates.scheduledAt = Timestamp.fromDate(new Date(updates.scheduledAt as string));
    }

    await updateCallTask(params.id, updates);
    const task = await getCallTask(params.id);
    return NextResponse.json({ task });
  } catch (error) {
    console.error('Error updating call task:', error);
    return NextResponse.json({ error: 'Failed to update task' }, { status: 500 });
  }
}

export async function DELETE(
  request: NextRequest,
  { params }: { params: { id: string } }
) {
  try {
    // TODO: Get userId from auth token
    const userId = 'test-user-id'; // Replace with actual auth
    const existing = await getCallTask(params.id);
    if (!existing || existing.userId !== userId) {
      return NextResponse.json({ error: 'Task not found' }, { status: 404 });
    }

    await deleteCallTask(params.id);
    return NextResponse.json({ success: true });
  } catch (error) {
    console.error('Error deleting call task:', error);
    return NextResponse.json({ error: 'Failed to delete task' }, { status: 500 });
  }
}