import { cookies } from 'next/headers';
import { NextRequest, NextResponse } from 'next/server';
import { OperatorSession } from '../../../../components/ops/types';

export async function GET(request: NextRequest) {
  const cookieStore = await cookies();
  const isProduction = process.env.NODE_ENV === 'production';
  const opsToken = isProduction
    ? cookieStore.get('__Host-motorsignal_ops')?.value
    : cookieStore.get('__Host-motorsignal_ops')?.value ??
      cookieStore.get('motorsignal_ops')?.value;

  if (!opsToken) {
    return NextResponse.json(
      { detail: 'Authentication required.' },
      { status: 401 }
    );
  }

  const baseUrl = process.env.MOTORSIGNAL_API_BASE_URL ?? 'https://api.motorsignal.app';
  try {
    const response = await fetch(`${baseUrl}/api/v1/ops/me`, {
      method: 'GET',
      headers: {
        authorization: `Bearer ${opsToken}`,
        accept: 'application/json',
      },
      cache: 'no-store',
    });

    if (response.status === 401) {
      return NextResponse.json(
        { detail: 'Your Operations session has expired.' },
        { status: 401 }
      );
    }
    if (response.status === 403) {
      return NextResponse.json(
        { detail: 'Access restricted.' },
        { status: 403 }
      );
    }
    if (!response.ok) {
      return NextResponse.json(
        { detail: 'Operations is temporarily unavailable.' },
        { status: 503 }
      );
    }

    const data = await response.json();
    const session: OperatorSession = {
      identity: data.identity ?? data.email ?? 'operator',
      role: data.role === 'owner' ? 'owner' : 'operator',
      status: data.status === 'expired' || data.status === 'revoked' ? data.status : 'active',
      createdAt: data.created_at ?? data.createdAt,
      lastActivityAt: data.last_activity_at ?? data.lastActivityAt,
      expiresAt: data.expires_at ?? data.expiresAt,
      environment: process.env.NODE_ENV === 'production' ? 'production' : 'development',
    };

    return NextResponse.json({ session }, { status: 200 });
  } catch {
    return NextResponse.json(
      { detail: 'Operations is temporarily unavailable.' },
      { status: 503 }
    );
  }
}