import test from 'node:test'
import assert from 'node:assert/strict'
import { normalizeRootTypeId, collectHomeScopes, resolveHomeScope } from '../src/utils/homeScope.js'

const homeMenus = [
  {
    path: '/subSystem/waterSupply',
    children: [
      { path: 'home', name: 'WaterHome', query: '{"rootTypeId":1}' }
    ]
  },
  {
    path: '/subSystem/drainage',
    children: [
      { path: 'home', name: 'DrainageHome', query: '{"rootTypeId":2}' }
    ]
  }
]

test('只接受四个设备大类，绝不回退到默认值', () => {
  assert.equal(normalizeRootTypeId('1'), 1)
  assert.equal(normalizeRootTypeId(4), 4)
  assert.equal(normalizeRootTypeId(undefined), undefined)
  assert.equal(normalizeRootTypeId(''), undefined)
  assert.equal(normalizeRootTypeId(0), undefined)
  assert.equal(normalizeRootTypeId(5), undefined)
  assert.equal(normalizeRootTypeId('abc'), undefined)
})

test('URL 带 rootTypeId 时按 URL 取范围，不会变成窨井', () => {
  const scope = resolveHomeScope({
    query: { rootTypeId: '2' },
    path: '/subSystem/drainage/home',
    menus: homeMenus
  })
  assert.equal(scope.rootTypeId, 2)
  assert.equal(scope.source, 'url')
})

test('URL 丢失参数时从 /getRouters 的菜单 query 恢复', () => {
  const scope = resolveHomeScope({
    query: {},
    path: '/subSystem/waterSupply/home',
    menus: homeMenus
  })
  assert.equal(scope.rootTypeId, 1)
  assert.equal(scope.source, 'menu')
})

test('菜单 query 是 JSON 字符串也能解析', () => {
  const scopes = collectHomeScopes(homeMenus)
  assert.deepEqual(scopes.map(item => item.rootTypeId), [1, 2])
  assert.equal(scopes[0].path, '/subSystem/waterSupply/home')
})

test('未配置 query 时不返回任何范围，页面应报错而不是查窨井数据', () => {
  const scope = resolveHomeScope({ query: {}, path: '/subSystem/gas/home', menus: [] })
  assert.equal(scope.rootTypeId, undefined)
  assert.equal(scope.source, undefined)
})

test('多个首页菜单共用同一路径时由 URL 参数区分，不猜测默认值', () => {
  const menus = [
    { path: '/home', query: '{"rootTypeId":3}' },
    { path: '/home', query: '{"rootTypeId":4}' }
  ]
  assert.equal(resolveHomeScope({ query: { rootTypeId: 3 }, path: '/home', menus }).rootTypeId, 3)
  assert.equal(resolveHomeScope({ query: {}, path: '/home', menus }).rootTypeId, undefined)
})

test('账号只有一个已授权首页菜单时可据此兜底', () => {
  const scope = resolveHomeScope({ query: {}, path: '/other', menus: [homeMenus[0]] })
  assert.equal(scope.rootTypeId, 1)
  assert.equal(scope.source, 'only-menu')
})

test('兼容 ?query={"rootTypeId":N} 形式的透传链接', () => {
  const scope = resolveHomeScope({
    query: { query: '{"rootTypeId":3}' },
    path: '/subSystem/gas/home',
    menus: []
  })
  assert.equal(scope.rootTypeId, 3)
})