import { randomUUID } from 'node:crypto';
import { identityApp, type IdentityApp } from './helpers/identity-app';
import { secondActor } from './helpers/commerce';

describe('purchase-order API', () => {
  let ctx: IdentityApp;
  const auth = { type: 'bearer' as const };
  beforeAll(async () => {
    ctx = await identityApp();
  }, 60000);
  afterAll(async () => {
    await ctx?.close();
  });
  beforeEach(async () => {
    await ctx.clearLimits();
  });
  async function source(code: string, currency = 'INR') {
    const supplier = await ctx
      .api()
      .post('/api/v1/suppliers')
      .auth(ctx.token, auth)
      .send({
        name: `Supplier ${code}`,
        code: `S-${code}`,
        contactName: 'Asha Shah',
        email: `${code}@example.com`,
        phone: '+919876543210',
      })
      .expect(201);
    const material = await ctx
      .api()
      .post('/api/v1/materials')
      .auth(ctx.token, auth)
      .send({
        name: `Wax ${code}`,
        code: `M-${code}`,
        kind: 'WAX',
        unit: 'KILOGRAM',
      })
      .expect(201);
    const quote = {
      supplierSku: `SKU-${code}`,
      leadTimeDays: 7,
      minOrderQuantity: '2.500',
      unitPrice: '120.00',
      currency,
    };
    await ctx
      .api()
      .put(
        `/api/v1/suppliers/${supplier.body.id}/materials/${material.body.id}`,
      )
      .auth(ctx.token, auth)
      .send(quote)
      .expect(200);
    return { supplier: supplier.body, material: material.body, quote };
  }
  it('snapshots active supplier quotes and advances a draft only once', async () => {
    const first = await source(randomUUID().slice(0, 8));
    const created = await ctx
      .api()
      .post('/api/v1/purchase-orders')
      .auth(ctx.token, auth)
      .send({
        supplierId: first.supplier.id,
        expectedDeliveryDate: '2026-10-01',
        lines: [{ materialId: first.material.id, quantity: '2.500' }],
      })
      .expect(201);
    expect(created.body).toMatchObject({
      status: 'DRAFT',
      currency: 'INR',
      merchandiseTotal: '300',
      lines: [
        {
          materialId: first.material.id,
          supplierSku: first.quote.supplierSku,
          unitPrice: '120',
          lineTotal: '300',
        },
      ],
    });
    await ctx
      .api()
      .put(
        `/api/v1/suppliers/${first.supplier.id}/materials/${first.material.id}`,
      )
      .auth(ctx.token, auth)
      .send({ ...first.quote, unitPrice: '150.00' })
      .expect(200);
    const detail = await ctx
      .api()
      .get(`/api/v1/purchase-orders/${created.body.id}`)
      .auth(ctx.token, auth)
      .expect(200);
    expect(detail.body.lines[0].unitPrice).toBe('120');
    const issued = await ctx
      .api()
      .post(`/api/v1/purchase-orders/${created.body.id}/issue`)
      .auth(ctx.token, auth)
      .expect(201);
    expect(issued.body).toMatchObject({ status: 'ISSUED' });
    const invalid = await ctx
      .api()
      .post(`/api/v1/purchase-orders/${created.body.id}/cancel`)
      .auth(ctx.token, auth)
      .expect(409);
    expect(invalid.body.code).toBe('PURCHASE_ORDER_STATE');
    expect(
      await ctx.db.auditEvent.count({
        where: {
          organizationId: ctx.owner.organizationId,
          action: 'purchase_order.issued',
        },
      }),
    ).toBe(1);
    const cancellable = await ctx
      .api()
      .post('/api/v1/purchase-orders')
      .auth(ctx.token, auth)
      .send({
        supplierId: first.supplier.id,
        lines: [{ materialId: first.material.id, quantity: '2.500' }],
      })
      .expect(201);
    const cancelled = await ctx
      .api()
      .post(`/api/v1/purchase-orders/${cancellable.body.id}/cancel`)
      .auth(ctx.token, auth)
      .expect(201);
    expect(cancelled.body.status).toBe('CANCELLED');
  });
  it('rejects unavailable sources, supplier minimums and mixed currencies', async () => {
    const first = await source(randomUUID().slice(0, 8));
    const belowMinimum = await ctx
      .api()
      .post('/api/v1/purchase-orders')
      .auth(ctx.token, auth)
      .send({
        supplierId: first.supplier.id,
        lines: [{ materialId: first.material.id, quantity: '2.499' }],
      })
      .expect(409);
    expect(belowMinimum.body.code).toBe('PURCHASE_ORDER_MINIMUM');
    const foreignMaterial = await source(randomUUID().slice(0, 8), 'USD');
    await ctx
      .api()
      .put(
        `/api/v1/suppliers/${first.supplier.id}/materials/${foreignMaterial.material.id}`,
      )
      .auth(ctx.token, auth)
      .send({ ...foreignMaterial.quote, currency: 'USD' })
      .expect(200);
    const mismatch = await ctx
      .api()
      .post('/api/v1/purchase-orders')
      .auth(ctx.token, auth)
      .send({
        supplierId: first.supplier.id,
        lines: [
          { materialId: first.material.id, quantity: '2.500' },
          { materialId: foreignMaterial.material.id, quantity: '2.500' },
        ],
      })
      .expect(409);
    expect(mismatch.body.code).toBe('PURCHASE_ORDER_CURRENCY');
  });
  it('enforces scope and read/manage permissions', async () => {
    const reader = await secondActor(ctx, true, ['procurement.read']);
    await ctx
      .api()
      .get('/api/v1/purchase-orders')
      .auth(reader.token, auth)
      .expect(200);
    await ctx
      .api()
      .post('/api/v1/purchase-orders')
      .auth(reader.token, auth)
      .send({
        supplierId: randomUUID(),
        lines: [{ materialId: randomUUID(), quantity: '1.000' }],
      })
      .expect(403);
    const missing = await ctx
      .api()
      .get(`/api/v1/purchase-orders/${randomUUID()}`)
      .auth(ctx.token, auth)
      .expect(404);
    expect(missing.body.code).toBe('PURCHASE_ORDER_NOT_FOUND');
  });
});