import { NextRequest, NextResponse } from 'next/server';
import { getCallTasks, createCallTask, getUser } from '@/lib/firestore';
import { Timestamp } from 'firebase/firestore';

export async function GET(request: NextRequest) {
  try {
    // TODO: Get userId from auth token
    const userId = 'test-user-id'; // Replace with actual auth
    const tasks = await getCallTasks(userId);
    return NextResponse.json({ tasks });
  } catch (error) {
    console.error('Error fetching call tasks:', error);
    return NextResponse.json({ error: 'Failed to fetch tasks' }, { status: 500 });
  }
}

export async function POST(request: NextRequest) {
  try {
    const body = await request.json();
    const userId = 'test-user-id'; // TODO: Get from auth token

    const {
      businessName,
      phoneNumber,
      preferredLanguage,
      callGoals,
      scheduledAt,
      timezone,
      maxMinutes,
      allowRecalls,
      maxRecalls,
    } = body;

    if (!businessName || !phoneNumber || !callGoals || !scheduledAt || !maxMinutes) {
      return NextResponse.json(
        { error: 'Missing required fields' },
        { status: 400 }
      );
    }

    // Validate user has enough credits
    const user = await getUser(userId);
    if (!user || user.creditBalance < maxMinutes) {
      return NextResponse.json(
        { error: 'Insufficient credits' },
        { status: 400 }
      );
    }

    const taskId = await createCallTask({
      userId,
      businessName,
      phoneNumber,
      preferredLanguage: preferredLanguage || 'English',
      callGoals,
      scheduledAt: Timestamp.fromDate(new Date(scheduledAt)),
      timezone: timezone || undefined,
      maxMinutes,
      maxCredits: maxMinutes, // 1:1 for v1
      allowRecalls: allowRecalls || false,
      maxRecalls: maxRecalls || 0,
      recallsUsed: 0,
      status: 'pending',
      createdAt: Timestamp.now(),
      updatedAt: Timestamp.now(),
    });

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