import { describe, expect, it } from 'vitest'
import { containerRequirementError, createBlankContainerRequirement, selectContainerRequirementType } from './containerRequirements'

describe('ocean booking container requirements', () => {
  it('starts with one requirement and applies the fixed platform specification', () => {
    const requirement = createBlankContainerRequirement()
    expect(requirement).toEqual({ containerType: '40HQ', containerKind: 'FCL', quantity: 1, capacityCbm: 68, maxWeightKg: 19500 })
    selectContainerRequirementType(requirement, '40GP')
    expect(requirement).toMatchObject({ containerType: '40GP', capacityCbm: 58, maxWeightKg: 19500 })
  })

  it('requires positive quantities and fixed specifications', () => {
    const requirement = createBlankContainerRequirement()
    expect(containerRequirementError([])).toContain('至少保留一项')
    expect(containerRequirementError([{ ...requirement, quantity: 0 }])).toContain('数量必须')
    expect(containerRequirementError([{ ...requirement, capacityCbm: 75 }])).toContain('固定规格')
    expect(containerRequirementError([requirement])).toBeNull()
  })

  it('limits one booking to twenty requirement rows', () => {
    const requirements = Array.from({ length: 21 }, () => createBlankContainerRequirement())
    expect(containerRequirementError(requirements)).toContain('最多登记 20 项')
  })
})