/**
 * AC verification for Passo 7:
 *   op1 creates a request → admin claims → admin resolves → queue shows correct order.
 *   Repeat create with same clientRequestId returns the same row without error.
 */
import path from 'node:path';
import { fileURLToPath } from 'node:url';
import { config as loadEnv } from 'dotenv';

const here = path.dirname(fileURLToPath(import.meta.url));
loadEnv({ path: path.resolve(here, '../.env') });

import { prisma } from '../packages/db/src/index.js';
import { appRouter, createTRPCContext } from '../packages/api/src/index.js';
import { createCallerFactory } from '../packages/api/src/trpc.js';

async function makeCaller(email: string) {
  const user = await prisma.user.findFirst({ where: { email } });
  if (!user) throw new Error(`User ${email} not found — run pnpm db:seed`);
  const ctx = await createTRPCContext({
    user: { id: user.id, email: user.email, role: user.role as 'ADMIN' | 'OPERATOR', tenantId: user.tenantId },
    headers: new Headers(),
  });
  return createCallerFactory(appRouter)(ctx);
}

async function main() {
  const op1 = await makeCaller('op1@demo.local');
  const admin = await makeCaller('admin@demo.local');

  // Find a workstation to use
  const workstations = await admin.workstation.list();
  const ws = workstations[0];
  if (!ws) throw new Error('No workstations found — run pnpm db:seed');

  const clientRequestId = crypto.randomUUID();

  // --- create ---
  console.log('1. op1 creates a maintenance request...');
  const created = await op1.maintenanceRequest.create({
    workstationId: ws.id,
    description: 'Barulho anormal no posto CTR04 — teste smoke',
    clientRequestId,
  });
  if (created.status !== 'OPEN') throw new Error(`Expected OPEN, got ${created.status}`);
  console.log(`   Created id=${created.id} status=${created.status} ✓`);

  // --- idempotent duplicate ---
  console.log('2. Repeating create with same clientRequestId...');
  const duplicate = await op1.maintenanceRequest.create({
    workstationId: ws.id,
    description: 'Duplicado — deve devolver a row existente',
    clientRequestId,
  });
  if (duplicate.id !== created.id) {
    throw new Error(`Idempotency failed: got id=${duplicate.id}, expected ${created.id}`);
  }
  console.log(`   Same id returned (${duplicate.id}) ✓`);

  // --- getById ---
  console.log('3. getById...');
  const fetched = await op1.maintenanceRequest.getById({ id: created.id });
  if (fetched.workstation.code !== ws.code) throw new Error('workstation relation missing');
  console.log(`   workstation=${fetched.workstation.code}, reportedBy=${fetched.reportedBy.email} ✓`);

  // --- claim ---
  console.log('4. admin claims the request...');
  const claimed = await admin.maintenanceRequest.claim({ id: created.id });
  if (claimed.status !== 'CLAIMED') throw new Error(`Expected CLAIMED, got ${claimed.status}`);
  console.log(`   status=${claimed.status} claimedBy=${claimed.claimedBy?.email} ✓`);

  // --- cannot claim again ---
  console.log('5. Claiming again should return CONFLICT...');
  try {
    await admin.maintenanceRequest.claim({ id: created.id });
    throw new Error('Expected CONFLICT but succeeded');
  } catch (err: unknown) {
    const trpcErr = err as { code?: string };
    if (trpcErr.code !== 'CONFLICT') throw err;
    console.log('   CONFLICT returned ✓');
  }

  // --- resolve ---
  console.log('6. admin resolves the request...');
  const resolved = await admin.maintenanceRequest.resolve({
    id: created.id,
    resolutionNote: 'Peça trocada',
  });
  if (resolved.status !== 'RESOLVED') throw new Error(`Expected RESOLVED, got ${resolved.status}`);
  console.log(`   status=${resolved.status} resolvedBy=${resolved.resolvedBy?.email} ✓`);

  // --- queue order ---
  console.log('7. Creating two more requests to verify queue order...');
  const r2 = await op1.maintenanceRequest.create({
    workstationId: ws.id,
    description: 'Segundo pedido smoke test ABC',
    clientRequestId: crypto.randomUUID(),
  });
  const r3 = await op1.maintenanceRequest.create({
    workstationId: ws.id,
    description: 'Terceiro pedido smoke test XYZ',
    clientRequestId: crypto.randomUUID(),
  });

  const queue = await admin.maintenanceRequest.queue({ statuses: ['OPEN'], limit: 10 });
  const ids = queue.items.map((i) => i.id);
  const r3Index = ids.indexOf(r3.id);
  const r2Index = ids.indexOf(r2.id);
  if (r3Index === -1 || r2Index === -1) throw new Error('Requests not in queue');
  if (r3Index > r2Index) throw new Error('Queue not ordered by createdAt DESC');
  console.log(`   Queue order DESC: r3 at pos ${r3Index}, r2 at pos ${r2Index} ✓`);

  // --- DomainEvents ---
  console.log('8. Verifying DomainEvents were emitted...');
  const events = await prisma.domainEvent.findMany({
    where: { aggregateId: created.id },
    orderBy: { occurredAt: 'asc' },
  });
  const types = events.map((e) => e.eventType);
  if (JSON.stringify(types) !== JSON.stringify(['created', 'claimed', 'resolved'])) {
    throw new Error(`Unexpected event types: ${JSON.stringify(types)}`);
  }
  console.log(`   Events: ${types.join(' → ')} ✓`);

  await prisma.$disconnect();
  console.log('\nMaintenanceRequest router AC PASSED');
}

main().catch(async (err) => {
  console.error('MaintenanceRequest router AC FAILED:', err);
  await prisma.$disconnect();
  process.exit(1);
});