import { describe, expect, it } from 'vitest'
import {
  HR_APP,
  PLATFORM_APPS,
  PLATFORM_HR_ENTITIES,
  getBuiltinApp,
  matchBuiltinApp,
  matchBuiltinModule,
  matchPlatformHrEntity,
} from '../platform-catalog.js'

describe('platform-catalog — matchBuiltinApp', () => {
  it('resolves the HR app from FR/EN domain names (the reported symptom)', () => {
    for (const name of ['RH', 'rh', 'Ressources Humaines', 'ressources humaines', 'HR', 'Human Resources', 'Personnel', 'GRH']) {
      expect(matchBuiltinApp(name)?.code, `"${name}" should resolve to hr`).toBe('hr')
    }
  })

  it('resolves apps from their exact seed code', () => {
    expect(matchBuiltinApp('administration')?.code).toBe('administration')
    expect(matchBuiltinApp('support')?.code).toBe('support')
    expect(matchBuiltinApp('api')?.code).toBe('api')
    expect(matchBuiltinApp('myspace')?.code).toBe('myspace')
  })

  it('is accent- and case-insensitive and singular-tolerant', () => {
    expect(matchBuiltinApp('SUPPORT')?.code).toBe('support')
    expect(matchBuiltinApp('helpdesk')?.code).toBe('support')
  })

  it('never substring-matches (HRManager, RHexport are NOT the HR app)', () => {
    expect(matchBuiltinApp('HRManager')).toBeUndefined()
    expect(matchBuiltinApp('RHexport')).toBeUndefined()
    expect(matchBuiltinApp('Recrutement')).toBeUndefined()
    expect(matchBuiltinApp('CRM')).toBeUndefined()
  })

  it('carries the HR app GUID a client extension FKs to', () => {
    expect(matchBuiltinApp('RH')?.guid).toBe('9cbeae29-772f-43b1-ac93-c56f2cb90921')
    expect(HR_APP.guid).toBe('9cbeae29-772f-43b1-ac93-c56f2cb90921')
    expect(HR_APP.extendable).toBe(true)
  })
})

describe('platform-catalog — matchBuiltinModule (distinctive only)', () => {
  it('flags distinctive HR modules a client should not recreate', () => {
    expect(matchBuiltinModule('Absences')?.module.code).toBe('absences')
    expect(matchBuiltinModule('Congés')?.module.code).toBe('absences')
    expect(matchBuiltinModule('Saisie du temps')?.module.code).toBe('time')
    expect(matchBuiltinModule('Employés')?.module.code).toBe('employees')
    expect(matchBuiltinModule('Tickets')?.app.code).toBe('support')
  })

  it('does NOT flag generic modules a client legitimately owns', () => {
    expect(matchBuiltinModule('Reporting')).toBeUndefined()
    expect(matchBuiltinModule('Dashboard')).toBeUndefined()
    expect(matchBuiltinModule('Configuration')).toBeUndefined()
    expect(matchBuiltinModule('Organization')).toBeUndefined()
    expect(matchBuiltinModule('Profile')).toBeUndefined()
  })
})

describe('platform-catalog — matchPlatformHrEntity', () => {
  it('flags transactional HR entities (extend, do not rebuild)', () => {
    expect(matchPlatformHrEntity('Absence')?.name).toBe('Absence')
    expect(matchPlatformHrEntity('Congé')?.name).toBe('Absence')
    expect(matchPlatformHrEntity('LeaveRequest')?.name).toBe('Absence')
    expect(matchPlatformHrEntity('TimeEntry')?.name).toBe('TimeEntry')
    expect(matchPlatformHrEntity('Pointage')?.name).toBe('TimeEntry')
    expect(matchPlatformHrEntity('Timesheet')?.name).toBe('Timesheet')
    expect(matchPlatformHrEntity('ContractType')?.name).toBe('ContractType')
  })

  it('does NOT flag Employee (a person-extension, owned by core-catalog PERSON_TRIGGERS)', () => {
    expect(matchPlatformHrEntity('Employee')).toBeUndefined()
    expect(matchPlatformHrEntity('Employé')).toBeUndefined()
    expect(matchPlatformHrEntity('Collaborateur')).toBeUndefined()
  })

  it('does NOT substring-match', () => {
    expect(matchPlatformHrEntity('AbsenceReasonCatalog')).toBeUndefined()
    expect(matchPlatformHrEntity('TimeEntryProject')).toBeUndefined()
  })
})

describe('platform-catalog — invariants', () => {
  it('every app has a unique code and a GUID', () => {
    const codes = PLATFORM_APPS.map(a => a.code)
    expect(new Set(codes).size).toBe(codes.length)
    for (const app of PLATFORM_APPS) {
      expect(app.guid).toMatch(/^[0-9a-f]{8}-[0-9a-f]{4}-[0-9a-f]{4}-[0-9a-f]{4}-[0-9a-f]{12}$/)
    }
  })

  it('only myspace is personal, and personal apps are not extendable', () => {
    expect(PLATFORM_APPS.filter(a => a.isPersonal).map(a => a.code)).toEqual(['myspace'])
    for (const app of PLATFORM_APPS) {
      if (app.isPersonal) expect(app.extendable).toBe(false)
    }
  })

  it('getBuiltinApp resolves by exact code only', () => {
    expect(getBuiltinApp('hr')).toBe(HR_APP)
    expect(getBuiltinApp('HR')).toBeUndefined()
    expect(getBuiltinApp('nope')).toBeUndefined()
  })

  it('does not double-flag: no HR transactional entity is also a distinctive module alias clash', () => {
    for (const e of PLATFORM_HR_ENTITIES) {
      // Employee excluded by design; transactional entities are not app names.
      expect(matchBuiltinApp(e.name)).toBeUndefined()
    }
  })
})