import { describe, it, expect, beforeEach, vi } from 'vitest'

// mock storage：内存 Map 语义，与 Taro.setStorageSync/getStorageSync 等价
const store = new Map<string, unknown>()
vi.mock('@/utils/storage', () => ({
  storage: {
    get: <T>(key: string): T | null => (store.has(key) ? (store.get(key) as T) : null),
    set: <T>(key: string, value: T): void => { store.set(key, value) },
    remove: (key: string): void => { store.delete(key) }
  }
}))

import {
  getFamilies,
  getFamilyDetail,
  addFamily,
  joinFamily,
  canAddCared,
  addCared,
  getCaredByFamily,
  type CaredPerson
} from '@/api/family'
import { FAMILY_DATA_STORAGE_KEY } from '@/constants/family'

const caredInput = (over: Partial<CaredPerson> = {}): Omit<CaredPerson, 'id'> => ({
  familyId: '735201884550361',
  name: '王奶奶',
  idNumber: '440301194001010000',
  address: '深圳市南山区',
  contacts: [],
  ...over
})

beforeEach(() => {
  store.clear()
})

describe('家庭圈 mock 数据层', () => {
  it('首次调用 getFamilies 写入样例并返回 4 条', async () => {
    const list = await getFamilies()
    expect(list).toHaveLength(4)
    expect(store.has(FAMILY_DATA_STORAGE_KEY)).toBe(true)
  })

  it('addFamily 追加家庭且持久化，caredCount 从 0 开始', async () => {
    await getFamilies()
    const f = await addFamily('测试家庭')
    expect(f.name).toBe('测试家庭')
    expect(f.caredCount).toBe(0)
    const again = await getFamilies()
    expect(again).toHaveLength(5)
    expect(again.some((x) => x.id === f.id)).toBe(true)
  })

  it('addFamily 空名抛错', async () => {
    await getFamilies()
    await expect(addFamily('  ')).rejects.toThrow('请输入家庭名')
  })

  it('joinFamily 按编号生成新家庭', async () => {
    await getFamilies()
    const f = await joinFamily('1234567890')
    expect(f.name).toBe('加入的 7890')
    const again = await getFamilies()
    expect(again).toHaveLength(5)
  })

  it('getFamilyDetail 返回家庭 + 成员 + 关爱对象', async () => {
    await getFamilies()
    const detail = await getFamilyDetail('846443196293189')
    expect(detail).not.toBeNull()
    expect(detail!.family.name).toBe('JollyPlace')
    expect(detail!.members.length).toBe(2)
    expect(detail!.cared.length).toBe(1)
    expect(detail!.cared[0].name).toBe('Jay')
  })

  it('getFamilyDetail 不存在返回 null', async () => {
    await getFamilies()
    expect(await getFamilyDetail('nope')).toBeNull()
  })

  it('canAddCared 未达上限 true，加满后 false', async () => {
    await getFamilies()
    // JollyPlace 已有 Jay（1/2），仍未达上限
    expect(await canAddCared('846443196293189')).toBe(true)
    expect(await canAddCared('735201884550361')).toBe(true)
    await addCared(caredInput())
    await addCared(caredInput({ name: '李爷爷' }))
    expect(await canAddCared('735201884550361')).toBe(false)
  })

  it('addCared 写入并同步家庭 caredCount/caredLabel', async () => {
    await getFamilies()
    const saved = await addCared(caredInput())
    expect(saved.id).toBeTruthy()
    const detail = await getFamilyDetail('735201884550361')
    expect(detail).not.toBeNull()
    expect(detail!.family.caredCount).toBe(1)
    expect(detail!.family.caredLabel).toBe('王奶奶')
    expect(detail!.cared[0].contacts).toEqual([])
  })

  it('addCared 达上限抛错', async () => {
    await getFamilies()
    await addCared(caredInput())
    await addCared(caredInput({ name: '李爷爷' }))
    await expect(addCared(caredInput({ name: '第三人' }))).rejects.toThrow('已达上限')
  })

  it('getCaredByFamily 返回该家庭的关爱对象数组', async () => {
    await getFamilies()
    const list = await getCaredByFamily('846443196293189')
    expect(list.map((c) => c.name)).toEqual(['Jay'])
  })
})