import { describe, it, expect, beforeEach, afterEach } from 'vitest'
import { mkdtempSync, mkdirSync, writeFileSync, rmSync } from 'node:fs'
import { tmpdir } from 'node:os'
import path from 'node:path'
import { readSocleVersion, socleAtLeast, MIN_SOCLE_SUPPLIED_CODE_VERSION } from '../socle-version.js'

describe('lib/socle-version', () => {
  let root: string
  beforeEach(() => { root = mkdtempSync(path.join(tmpdir(), 'ssver-')) })
  afterEach(() => rmSync(root, { recursive: true, force: true }))

  it('reads the SmartStack PackageReference, Api project first', () => {
    const api = path.join(root, 'src', 'Demo.Api')
    const infra = path.join(root, 'src', 'Demo.Infrastructure')
    mkdirSync(api, { recursive: true })
    mkdirSync(infra, { recursive: true })
    writeFileSync(path.join(infra, 'Demo.Infrastructure.csproj'), '<Project><ItemGroup><PackageReference Include="SmartStack" Version="3.60.0" /></ItemGroup></Project>')
    writeFileSync(path.join(api, 'Demo.Api.csproj'), '<Project><ItemGroup><PackageReference Include="SmartStack" Version="3.65.0" /></ItemGroup></Project>')
    expect(readSocleVersion(root)).toBe('3.65.0')
  })

  it('returns null on a project without the reference', () => {
    mkdirSync(path.join(root, 'src', 'X'), { recursive: true })
    writeFileSync(path.join(root, 'src', 'X', 'X.csproj'), '<Project></Project>')
    expect(readSocleVersion(root)).toBeNull()
  })

  it('socleAtLeast compares numerically (never lexically) and treats null as below', () => {
    expect(socleAtLeast('3.65.0', '3.9.0')).toBe(true)
    expect(socleAtLeast('3.65.0', '3.65.0')).toBe(true)
    expect(socleAtLeast('3.64.9', '3.65.0')).toBe(false)
    expect(socleAtLeast(null, '0.0.1')).toBe(false)
  })
})

describe('MIN_SOCLE_SUPPLIED_CODE_VERSION — the supplied-on-create floor', () => {
  it('is pinned to the release that ships ISuppliedCodeGuard (3.66.0)', () => {
    expect(MIN_SOCLE_SUPPLIED_CODE_VERSION).toBe('3.66.0')
    expect(socleAtLeast('3.66.0', MIN_SOCLE_SUPPLIED_CODE_VERSION)).toBe(true)
    expect(socleAtLeast('3.65.9', MIN_SOCLE_SUPPLIED_CODE_VERSION)).toBe(false)
  })
})