import { createPinia, setActivePinia } from 'pinia'
import { beforeEach, describe, expect, it, vi } from 'vitest'
import { materialsApi } from '../api/materials'
import { useMaterialsStore } from './materials'

vi.mock('../api/materials', () => ({
  materialsApi: {
    getAll: vi.fn(),
    create: vi.fn(),
    update: vi.fn(),
    obsolete: vi.fn(),
    restore: vi.fn()
  }
}))

describe('materials store selection options', () => {
  beforeEach(() => {
    setActivePinia(createPinia())
    vi.clearAllMocks()
  })

  it('loads every page so a selector can find materials outside the first page', async () => {
    const firstPage = Array.from({ length: 100 }, (_, index) => ({
      id: 120 - index,
      material_code: String(120 - index).padStart(3, '0'),
      name: `物料 ${120 - index}`
    }))
    materialsApi.getAll
      .mockResolvedValueOnce({
        data: {
          items: firstPage,
          limit: 100,
          offset: 0,
          total: 101,
          has_more: true
        }
      })
      .mockResolvedValueOnce({
        data: {
          items: [{ id: 1, material_code: '001', name: '早期物料' }],
          limit: 100,
          offset: 100,
          total: 101,
          has_more: false
        }
      })

    const store = useMaterialsStore()
    await store.fetchMaterialOptions()

    expect(store.materialOptions).toHaveLength(101)
    expect(store.materialOptions.at(-1)).toEqual({
      id: 1,
      material_code: '001',
      name: '早期物料'
    })
  })

  it('loads obsolete materials for historical record selectors only', async () => {
    materialsApi.getAll.mockResolvedValue({
      data: {
        items: [
          { id: 1, material_code: 'A-001', name: '有效物料', status: 'active' },
          { id: 2, material_code: 'B-002', name: '历史物料', status: 'obsolete' }
        ],
        total: 2
      }
    })

    const store = useMaterialsStore()
    await store.fetchHistoricalMaterialOptions()

    expect(materialsApi.getAll).toHaveBeenCalledWith({ status: 'all', limit: 100, offset: 0 })
    expect(store.historicalMaterialOptions).toEqual([
      { id: 1, material_code: 'A-001', name: '有效物料', status: 'active' },
      { id: 2, material_code: 'B-002', name: '历史物料', status: 'obsolete' }
    ])
    expect(store.materialOptions).toEqual([])
  })
})

describe('materials store 的筛选保持', () => {
  beforeEach(() => {
    setActivePinia(createPinia())
    vi.clearAllMocks()
    materialsApi.getAll.mockResolvedValue({ data: { items: [], total: 0 } })
    materialsApi.create.mockResolvedValue({ data: {} })
    materialsApi.update.mockResolvedValue({ data: {} })
    materialsApi.obsolete.mockResolvedValue({ data: {} })
    materialsApi.restore.mockResolvedValue({ data: {} })
  })

  // 编辑/作废/恢复都在原地重新拉取列表，那次拉取必须沿用搜索框里的关键字：否则列表
  // 会悄悄退回全量，而搜索框里还显示着用户输入的内容——用户会把全量列表当成筛选结果，
  // 接着的作废操作就打在误认的那一条上。
  it('编辑物料后刷新列表要沿用当前的搜索关键字', async () => {
    const store = useMaterialsStore()

    await store.fetchMaterials(2, '螺丝')
    materialsApi.getAll.mockClear()

    await store.updateMaterial(7, { name: '内六角螺丝' })

    expect(materialsApi.getAll).toHaveBeenCalledWith({
      search: '螺丝',
      status: 'all',
      limit: 20,
      offset: 20
    })
  })

  // 作废和恢复除了列表还要刷两份选项，所以 getAll 会被调用多次，只看第一次（列表那次）。
  it('作废物料后刷新列表要沿用当前的搜索关键字', async () => {
    const store = useMaterialsStore()

    await store.fetchMaterials(1, '螺丝')
    materialsApi.getAll.mockClear()

    await store.obsoleteMaterial(7)

    expect(materialsApi.getAll).toHaveBeenNthCalledWith(1, {
      search: '螺丝',
      status: 'all',
      limit: 20,
      offset: 0
    })
  })

  it('恢复物料后刷新列表要沿用当前的搜索关键字', async () => {
    const store = useMaterialsStore()

    await store.fetchMaterials(1, '螺丝')
    materialsApi.getAll.mockClear()

    await store.restoreMaterial(7)

    expect(materialsApi.getAll).toHaveBeenNthCalledWith(1, {
      search: '螺丝',
      status: 'all',
      limit: 20,
      offset: 0
    })
  })

  // 状态筛选目前还没有页面在用，但 store 的接口本来就有这一维，原地刷新时漏掉它会
  // 埋下同一个坑：以后页面加上状态下拉，列表又会悄悄退回全量。
  it('刷新时一并沿用当前的状态筛选', async () => {
    const store = useMaterialsStore()

    await store.fetchMaterials(1, '', 'obsolete')
    materialsApi.getAll.mockClear()

    await store.updateMaterial(7, { name: '内六角螺丝' })

    expect(materialsApi.getAll).toHaveBeenCalledWith({
      search: '',
      status: 'obsolete',
      limit: 20,
      offset: 0
    })
  })

  // 这处刻意与上面相反：新建的物料不一定匹配当前关键字，沿用搜索就看不见它，用户会
  // 以为没建成功。列表按 id 倒序，回到第 1 页正好能看见它。
  it('新建物料后要清空筛选并回到第 1 页', async () => {
    const store = useMaterialsStore()

    await store.fetchMaterials(3, '螺丝', 'active')
    materialsApi.getAll.mockClear()

    await store.createMaterial({ name: '新物料' })

    expect(materialsApi.getAll).toHaveBeenCalledWith({
      search: '',
      status: 'all',
      limit: 20,
      offset: 0
    })
  })

  // 首次加载没有筛选条件，别把上一次的筛选状态带到新页面上。
  it('不带筛选条件地重新查询会清掉旧的筛选状态', async () => {
    const store = useMaterialsStore()

    await store.fetchMaterials(2, '螺丝', 'obsolete')
    materialsApi.getAll.mockClear()

    await store.fetchMaterials()

    expect(materialsApi.getAll).toHaveBeenCalledWith({
      search: '',
      status: 'all',
      limit: 20,
      offset: 0
    })
  })
})