import test from 'node:test'
import assert from 'node:assert/strict'
import { readSource } from './helpers.ts'
import { hasMenuKey } from '../src/router/helpers.ts'

test('test_task_032_has_menu_key_lookup_normal_primary_path', () => {
  // 正常主路径：树内顶层菜单 key 可被命中。
  const tree = [{ key: 'admin_users', name: '用户管理', route: '/account/users' }]
  assert.equal(hasMenuKey(tree, 'admin_users'), true)
})

test('test_task_032_has_menu_key_lookup_normal_variant_input', () => {
  // 正常变体：叶子在分组深层时也能命中；未授权 key 不命中。
  const tree = [{ key: 'g', name: '组', children: [{ key: 'leaf', name: '叶', route: '/leaf' }] }]
  assert.equal(hasMenuKey(tree, 'leaf'), true)
  assert.equal(hasMenuKey(tree, 'missing'), false)
})

test('test_task_032_has_menu_key_lookup_normal_repeated_operation_is_idempotent', () => {
  // 正常重复：查找不修改树、结果稳定。
  const tree = [{ key: 'a', name: 'A', children: [{ key: 'b', name: 'B', route: '/b' }] }]
  const snapshot = JSON.stringify(tree)
  assert.equal(hasMenuKey(tree, 'b'), hasMenuKey(tree, 'b'))
  assert.deepEqual(JSON.stringify(tree), snapshot)
})

test('test_task_032_has_menu_key_lookup_boundary_empty_input', () => {
  // 边界空值：空/缺省树查找返回 false，不抛错。
  assert.equal(hasMenuKey([], 'x'), false)
  assert.equal(hasMenuKey(null as unknown as { key: string; name: string }[], 'x'), false)
  assert.equal(hasMenuKey(undefined as unknown as { key: string; name: string }[], 'x'), false)
})

test('test_task_032_has_menu_key_lookup_boundary_single_item', () => {
  // 边界单元素：单节点树命中与未命中。
  const tree = [{ key: 'solo', name: '单页', route: '/solo' }]
  assert.equal(hasMenuKey(tree, 'solo'), true)
  assert.equal(hasMenuKey(tree, 'nope'), false)
})

test('test_task_032_has_menu_key_lookup_boundary_limit_or_missing_field', () => {
  // 边界上限/缺字段：缺 children 的节点不崩溃；深树正确递归。
  const tree = [{ key: 'a', name: 'A' }, { key: 'b', name: 'B', children: [{ key: 'c', name: 'C', route: '/c' }] }]
  assert.equal(hasMenuKey(tree, 'c'), true)
})

test('test_task_032_has_menu_key_lookup_invalid_input_rejected', () => {
  // 异常输入：空 key 查找返回 false，绝不误放行。
  assert.equal(hasMenuKey([{ key: '', name: '无key' }], ''), false)
  assert.equal(hasMenuKey([], ''), false)
})

test('test_task_032_has_menu_key_lookup_dependency_failure_returns_actionable_message', () => {
  // 依赖失败：key 查找收敛到 helpers，路由守卫经共享权限判定复用，不留私有副本。
  const helpers = readSource('src/router/helpers.ts')
  assert.match(helpers, /export function hasMenuKey/)
  const router = readSource('src/router/index.ts')
  assert.equal(router.includes('function hasMenu'), false, '不再保留模块内私有 hasMenu')
  assert.match(router, /isRouteAllowed/, '守卫委托共享判定(内含 key 查找)')
})