/**
 * Sprint 16 — flows 04 документы (8 flows):
 *   4.1 supply post+unpost остаток меняется на +qty потом обратно
 *   4.2 enter post+unpost (оприходование)
 *   4.3 retail-sale post → остаток -qty, FiscalNumber=null (None провайдер)
 *   4.4 retail-sale unpost восстанавливает остаток
 *   4.5 loss post+unpost — списание
 *   4.6 transfer post+unpost между двумя складами
 *   4.7 demand post (оптовая отгрузка)
 *   4.8 supplier-return post (возврат поставщику)
 */
import { expect, test } from '@playwright/test'
import { request } from '../factories/api-client.js'
import { Endpoints } from '../factories/types.js'
import { OrgFactory } from '../factories/OrgFactory.js'

async function stockOf(token: string, productId: string, storeId: string): Promise<number> {
  const r = await request<{ items: Array<{ productId: string; storeId: string; quantity: number }> }>(
    `/api/inventory/stock?productId=${productId}&pageSize=100`, { token },
  )
  const row = r.items.find(x => x.productId === productId && x.storeId === storeId)
  return row ? Number(row.quantity) : 0
}

test.describe('flow 04 — документы post/unpost', () => {
  test('4.1 supply post → stock +qty; unpost → откат @smoke', async () => {
    const b = await OrgFactory.for('doc41').withProducts(1).withCounterparties(1).build()
    const supplier = b.counterparties[0]!
    const product = b.products[0]!
    const draft = await request<{ id: string }>(Endpoints.supplies, {
      token: b.session.accessToken,
      body: {
        date: new Date().toISOString(),
        supplierId: supplier.id,
        storeId: b.refs.storeId,
        currencyId: b.refs.currencyId,
        lines: [{ productId: product.id, quantity: 50, unitPrice: 30 }],
      },
    })
    await request(`${Endpoints.supplies}/${draft.id}/post`, { token: b.session.accessToken, method: 'POST' })
    expect(await stockOf(b.session.accessToken, product.id, b.refs.storeId)).toBe(50)

    await request(`${Endpoints.supplies}/${draft.id}/unpost`, { token: b.session.accessToken, method: 'POST' })
    expect(await stockOf(b.session.accessToken, product.id, b.refs.storeId)).toBe(0)
  })

  test('4.2 enter post+unpost — оприходование', async () => {
    const b = await OrgFactory.for('doc42').withProducts(1).build()
    const product = b.products[0]!
    const draft = await request<{ id: string }>(Endpoints.enters, {
      token: b.session.accessToken,
      body: {
        date: new Date().toISOString(),
        storeId: b.refs.storeId,
        currencyId: b.refs.currencyId,
        lines: [{ productId: product.id, quantity: 7, unitPrice: 25 }],
      },
    })
    await request(`${Endpoints.enters}/${draft.id}/post`, { token: b.session.accessToken, method: 'POST' })
    expect(await stockOf(b.session.accessToken, product.id, b.refs.storeId)).toBe(7)
    await request(`${Endpoints.enters}/${draft.id}/unpost`, { token: b.session.accessToken, method: 'POST' })
    expect(await stockOf(b.session.accessToken, product.id, b.refs.storeId)).toBe(0)
  })

  test('4.3 retail-sale post → stock -qty', async () => {
    const b = await OrgFactory.for('doc43').withProducts(1).withSupplies(1).build()
    const product = b.products[0]!
    const stockBefore = await stockOf(b.session.accessToken, product.id, b.refs.storeId)
    expect(stockBefore).toBe(100)
    const draft = await request<{ id: string }>(Endpoints.retailSales, {
      token: b.session.accessToken,
      body: {
        date: new Date().toISOString(),
        storeId: b.refs.storeId, retailPointId: b.refs.retailPointId, currencyId: b.refs.currencyId,
        payment: 0, isReturn: false,
        lines: [{ productId: product.id, quantity: 3, unitPrice: 100, discount: 0, vatPercent: 12 }],
        subtotal: 300, discountTotal: 0, total: 300,
        paidCash: 300, paidCard: 0,
      },
    })
    await request(`${Endpoints.retailSales}/${draft.id}/post`, { token: b.session.accessToken, method: 'POST' })
    expect(await stockOf(b.session.accessToken, product.id, b.refs.storeId)).toBe(97)
  })

  test('4.4 retail-sale unpost восстанавливает остаток', async () => {
    const b = await OrgFactory.for('doc44').withProducts(1).withSupplies(1).build()
    const product = b.products[0]!
    const draft = await request<{ id: string }>(Endpoints.retailSales, {
      token: b.session.accessToken,
      body: {
        date: new Date().toISOString(),
        storeId: b.refs.storeId, retailPointId: b.refs.retailPointId, currencyId: b.refs.currencyId,
        payment: 0, isReturn: false,
        lines: [{ productId: product.id, quantity: 5, unitPrice: 100, discount: 0, vatPercent: 12 }],
        subtotal: 500, discountTotal: 0, total: 500,
        paidCash: 500, paidCard: 0,
      },
    })
    await request(`${Endpoints.retailSales}/${draft.id}/post`, { token: b.session.accessToken, method: 'POST' })
    expect(await stockOf(b.session.accessToken, product.id, b.refs.storeId)).toBe(95)
    await request(`${Endpoints.retailSales}/${draft.id}/unpost`, { token: b.session.accessToken, method: 'POST' })
    expect(await stockOf(b.session.accessToken, product.id, b.refs.storeId)).toBe(100)
  })

  test('4.5 loss post+unpost — списание уменьшает/восстанавливает', async () => {
    const b = await OrgFactory.for('doc45').withProducts(1).withSupplies(1).build()
    const product = b.products[0]!
    const draft = await request<{ id: string }>(Endpoints.losses, {
      token: b.session.accessToken,
      body: {
        date: new Date().toISOString(),
        storeId: b.refs.storeId, currencyId: b.refs.currencyId,
        reason: 1, // LossReason.Expired
        lines: [{ productId: product.id, quantity: 2, unitCost: 50 }],
      },
    })
    await request(`${Endpoints.losses}/${draft.id}/post`, { token: b.session.accessToken, method: 'POST' })
    expect(await stockOf(b.session.accessToken, product.id, b.refs.storeId)).toBe(98)
    await request(`${Endpoints.losses}/${draft.id}/unpost`, { token: b.session.accessToken, method: 'POST' })
    expect(await stockOf(b.session.accessToken, product.id, b.refs.storeId)).toBe(100)
  })

  test('4.6 transfer между двумя складами @smoke', async () => {
    const b = await OrgFactory.for('doc46').withProducts(1).withSupplies(1).build()
    const product = b.products[0]!
    // Создаём второй склад
    const target = await request<{ id: string }>('/api/catalog/stores', {
      token: b.session.accessToken,
      body: { name: 'Второй склад', code: 'S2', isMain: false, isActive: true },
    })
    const draft = await request<{ id: string }>(Endpoints.transfers, {
      token: b.session.accessToken,
      body: {
        date: new Date().toISOString(),
        fromStoreId: b.refs.storeId,
        toStoreId: target.id,
        currencyId: b.refs.currencyId,
        lines: [{ productId: product.id, quantity: 10 }],
      },
    })
    await request(`${Endpoints.transfers}/${draft.id}/post`, { token: b.session.accessToken, method: 'POST' })
    expect(await stockOf(b.session.accessToken, product.id, b.refs.storeId)).toBe(90)
    expect(await stockOf(b.session.accessToken, product.id, target.id)).toBe(10)
    await request(`${Endpoints.transfers}/${draft.id}/unpost`, { token: b.session.accessToken, method: 'POST' })
    expect(await stockOf(b.session.accessToken, product.id, b.refs.storeId)).toBe(100)
  })

  test('4.7 demand post — оптовая отгрузка уменьшает остаток', async () => {
    const b = await OrgFactory.for('doc47').withProducts(1).withSupplies(1).withCounterparties(2).build()
    const product = b.products[0]!
    const customer = b.counterparties[1]!
    const draft = await request<{ id: string }>(Endpoints.demands, {
      token: b.session.accessToken,
      body: {
        date: new Date().toISOString(),
        customerId: customer.id,
        storeId: b.refs.storeId,
        currencyId: b.refs.currencyId,
        payment: 0,
        lines: [{ productId: product.id, quantity: 8, unitPrice: 90, discount: 0, vatPercent: 12 }],
        subtotal: 720, discountTotal: 0, total: 720,
        paidAmount: 720,
      },
    })
    await request(`${Endpoints.demands}/${draft.id}/post`, { token: b.session.accessToken, method: 'POST' })
    expect(await stockOf(b.session.accessToken, product.id, b.refs.storeId)).toBe(92)
  })

  test('4.8 supplier-return post — возврат поставщику', async () => {
    const b = await OrgFactory.for('doc48').withProducts(1).withSupplies(1).build()
    const product = b.products[0]!
    const supplier = b.counterparties[0]!
    const draft = await request<{ id: string }>(Endpoints.supplierReturns, {
      token: b.session.accessToken,
      body: {
        date: new Date().toISOString(),
        supplierId: supplier.id,
        storeId: b.refs.storeId,
        currencyId: b.refs.currencyId,
        lines: [{ productId: product.id, quantity: 4, unitPrice: 50 }],
      },
    })
    await request(`${Endpoints.supplierReturns}/${draft.id}/post`, { token: b.session.accessToken, method: 'POST' })
    expect(await stockOf(b.session.accessToken, product.id, b.refs.storeId)).toBe(96)
  })
})