import { NextRequest, NextResponse } from 'next/server';
import prisma from 'src/lib/prisma';
import { tenantSchema } from 'src/schemas';
import { z } from 'zod';
import { authenticateRequest } from 'src/lib/auth-middleware';

export async function GET(request: NextRequest) {
  try {
    const auth = await authenticateRequest(request);
    if (auth instanceof NextResponse) {
      return auth; // Return error response if authentication failed
    }
    const { tenantId } = auth;

    const tenant = await prisma.tenant.findUnique({
      where: { id: tenantId },
    });

    if (!tenant) {
      return NextResponse.json({ error: 'No tenant found' }, { status: 404 });
    }

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

export async function POST(request: NextRequest) {
  try {
    const auth = await authenticateRequest(request);
    if (auth instanceof NextResponse) {
      return auth;
    }
    const { tenantId } = auth;

    const body = await request.json();

    // Validate request body
    const validatedData = tenantSchema.parse(body);

    // Check if tenant already exists
    const existingTenant = await prisma.tenant.findUnique({
      where: {
        id: tenantId,
      },
    });

    if (existingTenant) {
      return NextResponse.json({ error: 'Tenant already exists' }, { status: 400 });
    }

    // Create new tenant with the authenticated tenantId
    const tenant = await prisma.tenant.create({
      data: {
        ...validatedData,
        id: tenantId, // Ensure the tenant is created with the authenticated tenantId
      },
    });

    return NextResponse.json(tenant, { status: 201 });
  } catch (error) {
    if (error instanceof z.ZodError) {
      return NextResponse.json(
        { error: 'Invalid request data', details: error.errors },
        { status: 400 }
      );
    }

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