import { NextRequest, NextResponse } from 'next/server';
import { getDataSource, Customer } from '@/lib/database';

// GET /api/customers/[id] - Get a specific customer
export async function GET(
    request: NextRequest,
    props: { params: Promise<{ id: string }> }
) {
    try {
        const { id } = await props.params;
        const dataSource = await getDataSource();
        const customerRepository = dataSource.getRepository(Customer);

        const customer = await customerRepository.findOne({
            where: { id: id }
        });

        if (!customer) {
            return NextResponse.json(
                { error: 'Customer not found' },
                { status: 404 }
            );
        }

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

// PUT /api/customers/[id] - Update a customer
export async function PUT(
    request: NextRequest,
    props: { params: Promise<{ id: string }> }
) {
    try {
        const { id } = await props.params;
        const dataSource = await getDataSource();
        const customerRepository = dataSource.getRepository(Customer);

        // Find the customer to update
        const customer = await customerRepository.findOne({
            where: { id: id }
        });

        if (!customer) {
            return NextResponse.json(
                { error: 'Customer not found' },
                { status: 404 }
            );
        }

        const data = await request.json();
        const { name, url, email } = data;

        // Validate required fields
        if (!name || !email) {
            return NextResponse.json(
                { error: 'Name and email are required' },
                { status: 400 }
            );
        }

        // Update customer fields
        customer.name = name;
        customer.url = url || '';
        customer.email = email;

        // Save the updated customer
        const updatedCustomer = await customerRepository.save(customer);

        return NextResponse.json(updatedCustomer);
    } catch (error) {
        console.error('Error updating customer:', error);
        return NextResponse.json(
            { error: 'Failed to update customer' },
            { status: 500 }
        );
    }
}

// DELETE /api/customers/[id] - Delete a customer
export async function DELETE(
    request: NextRequest,
    props: { params: Promise<{ id: string }> }
) {
    try {
        const { id } = await props.params;
        const dataSource = await getDataSource();
        const customerRepository = dataSource.getRepository(Customer);

        // Find the customer to delete
        const customer = await customerRepository.findOne({
            where: { id: id }
        });

        if (!customer) {
            return NextResponse.json(
                { error: 'Customer not found' },
                { status: 404 }
            );
        }

        // Delete the customer
        await customerRepository.remove(customer);

        return NextResponse.json({ success: true });
    } catch (error) {
        console.error('Error deleting customer:', error);
        return NextResponse.json(
            { error: 'Failed to delete customer' },
            { status: 500 }
        );
    }
}