import { describe, it, expect } from 'vitest'
import type { Product, Order, CartItem, OrderStatus, SizeStock } from '@shared/types'

describe('shared types', () => {
  it('Product type enforces integer sats', () => {
    const product: Product = {
      id: 'test-1',
      name: 'Test Product',
      slug: 'test-product',
      description: 'A test product',
      priceSats: 100_000,
      images: ['/images/test.jpg'],
      sizes: [{ size: 'M', stock: 10 }],
      category: 'tops',
      isActive: true,
      createdAt: '2026-01-01T00:00:00Z',
      updatedAt: '2026-01-01T00:00:00Z',
    }
    expect(product.priceSats).toBe(100_000)
    expect(Number.isInteger(product.priceSats)).toBe(true)
  })

  it('CartItem calculates correctly with integer sats', () => {
    const item: CartItem = {
      productId: 'test-1',
      slug: 'test-product',
      name: 'Test Product',
      size: 'M',
      quantity: 3,
      priceSats: 85_000,
      image: '/images/test.jpg',
    }
    const total = item.priceSats * item.quantity
    expect(total).toBe(255_000)
    expect(Number.isInteger(total)).toBe(true)
  })

  it('OrderStatus has valid values', () => {
    const statuses: OrderStatus[] = ['pending', 'paid', 'confirmed', 'shipped', 'delivered', 'cancelled']
    expect(statuses).toHaveLength(6)
  })

  it('SizeStock tracks integer stock levels', () => {
    const sizes: SizeStock[] = [
      { size: 'S', stock: 10 },
      { size: 'M', stock: 0 },
    ]
    const totalStock = sizes.reduce((sum, s) => sum + s.stock, 0)
    expect(totalStock).toBe(10)
    expect(sizes[1].stock).toBe(0)
  })
})