import { accessSync, constants, mkdtempSync, mkdirSync, rmSync, writeFileSync } from 'node:fs'
import * as os from 'node:os'
import * as path from 'node:path'
import { afterEach, describe, expect, it } from 'vitest'
import {
  getProfilesDir,
  resolveProfilePath,
  setProfilesDirOverride,
} from './profiles'

const originalEnv = process.env.SUPERPOWERS_PROFILES_DIR

afterEach(() => {
  setProfilesDirOverride(undefined)
  if (originalEnv === undefined)
    delete process.env.SUPERPOWERS_PROFILES_DIR
  else
    process.env.SUPERPOWERS_PROFILES_DIR = originalEnv
})

describe('getProfilesDir', () => {
  it('env SUPERPOWERS_PROFILES_DIR 优先', () => {
    const dir = mkdtempSync(path.join(os.tmpdir(), 'profiles-env-'))
    try {
      process.env.SUPERPOWERS_PROFILES_DIR = dir
      setProfilesDirOverride('~/ignored')
      expect(getProfilesDir()).toBe(path.resolve(dir))
    }
    finally {
      rmSync(dir, { recursive: true, force: true })
    }
  })

  it('settings override 支持 ~ 并优先于 auto', () => {
    delete process.env.SUPERPOWERS_PROFILES_DIR
    const dir = mkdtempSync(path.join(os.tmpdir(), 'profiles-override-'))
    try {
      const tildePath = dir.replace(os.homedir(), '~')
      setProfilesDirOverride(tildePath)
      expect(getProfilesDir()).toBe(path.resolve(dir))
    }
    finally {
      rmSync(dir, { recursive: true, force: true })
    }
  })

  it('空 override 时优先 cruldra-profile 真实源（若可读）', () => {
    delete process.env.SUPERPOWERS_PROFILES_DIR
    setProfilesDirOverride(undefined)
    const preferred = path.join(os.homedir(), 'Sources', 'cruldra-profile', 'claude-config', 'profiles')
    try {
      accessSync(preferred, constants.R_OK)
    }
    catch {
      // 本机无该目录则跳过（CI / 其它机器）
      return
    }
    expect(getProfilesDir()).toBe(preferred)
  })
})

describe('resolveProfilePath', () => {
  it('空值回退默认 profile 路径', () => {
    delete process.env.SUPERPOWERS_PROFILES_DIR
    const dir = mkdtempSync(path.join(os.tmpdir(), 'profiles-default-'))
    try {
      writeFileSync(path.join(dir, 'offical.json'), '{}')
      setProfilesDirOverride(dir)
      expect(resolveProfilePath(undefined)).toBe(path.join(dir, 'offical.json'))
      expect(resolveProfilePath('')).toBe(path.join(dir, 'offical.json'))
    }
    finally {
      rmSync(dir, { recursive: true, force: true })
    }
  })

  it('可读绝对路径原样返回', () => {
    delete process.env.SUPERPOWERS_PROFILES_DIR
    const dir = mkdtempSync(path.join(os.tmpdir(), 'profiles-readable-'))
    try {
      const file = path.join(dir, 'grok-4.5.json')
      writeFileSync(file, '{}')
      setProfilesDirOverride(dir)
      expect(resolveProfilePath(file)).toBe(file)
    }
    finally {
      rmSync(dir, { recursive: true, force: true })
    }
  })

  it('跨机绝对路径按 basename remap 到本机 profiles 目录', () => {
    delete process.env.SUPERPOWERS_PROFILES_DIR
    const dir = mkdtempSync(path.join(os.tmpdir(), 'profiles-remap-'))
    try {
      writeFileSync(path.join(dir, 'grok-4.5.json'), '{}')
      setProfilesDirOverride(dir)
      const foreign = '/Users/cruldra/.claude/profile-settings/grok-4.5.json'
      expect(resolveProfilePath(foreign)).toBe(path.join(dir, 'grok-4.5.json'))
    }
    finally {
      rmSync(dir, { recursive: true, force: true })
    }
  })

  it('无法 remap 时返回原路径', () => {
    delete process.env.SUPERPOWERS_PROFILES_DIR
    const dir = mkdtempSync(path.join(os.tmpdir(), 'profiles-miss-'))
    try {
      mkdirSync(dir, { recursive: true })
      setProfilesDirOverride(dir)
      const foreign = '/Users/cruldra/.claude/profile-settings/missing-model.json'
      expect(resolveProfilePath(foreign)).toBe(foreign)
    }
    finally {
      rmSync(dir, { recursive: true, force: true })
    }
  })
})