import { describe, it, expect } from 'vitest'

import { matchesWarrantySearch } from './warrantySearch'

// Reported: the warranty page could not be searched by machine number.
//
// The number was in the payload (_related_machine puts it there) and rendered
// in the table as a chip, but the filter looked only at vendor, service level,
// service tag and asset number. So the identifier the feature was built around
// - a PC is warranted as a PC but FOUND by the machine it drives - was the one
// thing the box could not find.

function warranty(overrides = {}) {
  return {
    vendor: 'Dell',
    servicelevel: 'ProSupport',
    servicetag: 'ABC1234',
    assets: [{
      assetnumber: 'PC-00912',
      name: 'Bay 3105 workstation',
      machine: { machinenumber: '3016', name: 'Makino a61nx' },
    }],
    ...overrides,
  }
}

describe('matchesWarrantySearch', () => {
  it('matches on the machine number', () => {
    // The reported case.
    expect(matchesWarrantySearch(warranty(), '3016')).toBe(true)
  })

  it('matches on the machine name', () => {
    expect(matchesWarrantySearch(warranty(), 'makino')).toBe(true)
  })

  it('still matches the fields it always did', () => {
    expect(matchesWarrantySearch(warranty(), 'dell')).toBe(true)
    expect(matchesWarrantySearch(warranty(), 'prosupport')).toBe(true)
    expect(matchesWarrantySearch(warranty(), 'abc1234')).toBe(true)
    expect(matchesWarrantySearch(warranty(), 'pc-00912')).toBe(true)
  })

  it('is case insensitive and ignores surrounding space', () => {
    expect(matchesWarrantySearch(warranty(), '  MAKINO  ')).toBe(true)
  })

  it('does not match an unrelated term', () => {
    expect(matchesWarrantySearch(warranty(), '9999')).toBe(false)
  })

  it('keeps every row when the term is empty', () => {
    expect(matchesWarrantySearch(warranty(), '')).toBe(true)
    expect(matchesWarrantySearch(warranty(), '   ')).toBe(true)
    expect(matchesWarrantySearch(warranty(), undefined)).toBe(true)
  })

  it('handles a warranty whose asset drives no machine', () => {
    // machine is null whenever the covered asset has no controls link - a
    // printer, or a PC nobody linked yet. It must not throw.
    const row = warranty({ assets: [{ assetnumber: 'PR-42', machine: null }] })
    expect(matchesWarrantySearch(row, 'PR-42')).toBe(true)
    expect(matchesWarrantySearch(row, '3016')).toBe(false)
  })

  it('handles a warranty with no linked assets at all', () => {
    const row = warranty({ assets: [] })
    expect(matchesWarrantySearch(row, 'dell')).toBe(true)
    expect(matchesWarrantySearch(row, '3016')).toBe(false)
  })

  it('tolerates missing fields rather than matching everything', () => {
    // String(undefined) is 'undefined', which would make a search for 'und'
    // match every row with an empty field.
    const row = { vendor: null, servicelevel: undefined, assets: null }
    expect(matchesWarrantySearch(row, 'und')).toBe(false)
    expect(matchesWarrantySearch(row, 'null')).toBe(false)
  })
})