import { describe, expect, it } from 'vitest'
import { validate } from '../validate.js'

describe('update validate — spec parsing and defaults', () => {
  it('accepts an empty spec with full defaults', () => {
    const r = validate({})
    expect(r.valid).toBe(true)
    expect(r.data).toEqual({ strategy: 'merge', push: false, dryRun: false })
    expect(r.warnings).toEqual([])
  })

  it('accepts an explicit rebase strategy', () => {
    const r = validate({ strategy: 'rebase' })
    expect(r.valid).toBe(true)
    expect(r.data?.strategy).toBe('rebase')
  })

  it('rejects an unknown strategy', () => {
    const r = validate({ strategy: 'squash' })
    expect(r.valid).toBe(false)
    expect(r.blockers.length).toBeGreaterThan(0)
  })

  it('rejects a non-boolean push', () => {
    expect(validate({ push: 'yes' }).valid).toBe(false)
  })

  it('warns (without blocking) when dryRun and push are combined', () => {
    const r = validate({ dryRun: true, push: true })
    expect(r.valid).toBe(true)
    expect(r.warnings.some((w) => /push will be skipped/i.test(w))).toBe(true)
  })

  it('rejects non-object specs via the parse-failure fallback', () => {
    expect(validate('x').valid).toBe(false)
    expect(validate(null).valid).toBe(false)
    expect(validate('x').blockers.length).toBeGreaterThan(0)
  })
})