/**
 * 字段参与开关（fieldParticipation）测试：
 * - 判定：行存在 + 行内开关（表单/列表 b_visible、查询 b_canuse），b_field_id 与 b_id 类型不一致按字符串比较
 * - 切换：行为空/存在两路；关 = 置行内开关 0（不删行，保留布局/配置）；开 = 行不存在时按默认生成且强制参与
 * - 不变性：toggle 返回新数组、非目标行保持原引用
 */
import { describe, it, expect } from 'vitest'
import {
  isFormOn,
  isListOn,
  isQueryOn,
  toggleForm,
  toggleList,
  toggleQuery,
} from '@/views/system/module-management/fieldParticipation'

const MODULE_ID = 'm1'

function makeField(over = {}) {
  return { b_id: '10', b_field: 'amount', b_name: '金额', b_type: 'money', b_canuse: 1, ...over }
}

describe('参与判定', () => {
  const field = makeField()

  it('行存在且开关为 1 即参与；行不存在不参与', () => {
    expect(isFormOn([{ b_field_id: '10', b_visible: 1 }], field)).toBe(true)
    expect(isFormOn([{ b_field_id: '10', b_visible: 0 }], field)).toBe(false)
    expect(isFormOn([], field)).toBe(false)
    expect(isListOn([{ b_field_id: 10, b_visible: 1 }], field)).toBe(true) // 类型不一致按字符串比较
    expect(isQueryOn([{ b_field_id: '10', b_canuse: 1 }], field)).toBe(true)
    expect(isQueryOn([{ b_field_id: '10', b_canuse: 0 }], field)).toBe(false)
  })

  it('空配置安全', () => {
    expect(isFormOn(undefined, field)).toBe(false)
    expect(isListOn(null, field)).toBe(false)
    expect(isQueryOn([], field)).toBe(false)
  })
})

describe('表单参与切换', () => {
  it('行存在：切换 b_visible，不删行（保留布局）', () => {
    const rows = [{ b_id: 'e1', b_field_id: '10', b_visible: 1, b_colspan: 12, b_group_id: 'g1' }]
    const off = toggleForm(rows, makeField(), MODULE_ID)
    expect(off).toHaveLength(1)
    expect(off[0].b_visible).toBe(0)
    expect(off[0].b_colspan).toBe(12) // 布局属性保留
    expect(off[0].b_group_id).toBe('g1')
    const on = toggleForm(off, makeField(), MODULE_ID)
    expect(on[0].b_visible).toBe(1)
  })

  it('行不存在：生成默认行追加到末尾（b_visible=1、b_colspan=24、b_xh 为末尾序号）', () => {
    const rows = [{ b_id: 'e1', b_field_id: '9', b_visible: 1, b_xh: 30 }]
    const next = toggleForm(rows, makeField(), MODULE_ID)
    expect(next).toHaveLength(2)
    const created = next[1]
    expect(created.b_field_id).toBe('10')
    expect(created.b_visible).toBe(1)
    expect(created.b_colspan).toBe(24)
    expect(created.b_module_id).toBe('m1')
    expect(created.b_xh).toBe(40) // 末尾追加，不排到表单最前
    expect(next[0]).toBe(rows[0]) // 非目标行保持原引用
  })
})

describe('列表参与切换', () => {
  it('行存在：切换 b_visible（与「删除列=隐藏」语义一致）', () => {
    const rows = [{ b_id: 'v1', b_field_id: '10', b_visible: 1, b_width: 110 }]
    const off = toggleList(rows, makeField(), MODULE_ID)
    expect(off[0].b_visible).toBe(0)
    expect(off[0].b_width).toBe(110)
    expect(toggleList(off, makeField(), MODULE_ID)[0].b_visible).toBe(1)
  })

  it('行不存在：按默认生成且强制显示（含大文本）', () => {
    const textarea = makeField({ b_type: 'textarea' })
    const next = toggleList([], textarea, MODULE_ID)
    expect(next).toHaveLength(1)
    expect(next[0].b_visible).toBe(1) // 显式意愿覆盖大文本默认不参与
    expect(next[0].b_xh).toBe(10)
  })
})

describe('查询参与切换', () => {
  it('行存在：切换 b_canuse', () => {
    const rows = [{ b_id: 'q1', b_field_id: '10', b_canuse: 0, b_operator: 'eq' }]
    const on = toggleQuery(rows, makeField(), MODULE_ID)
    expect(on[0].b_canuse).toBe(1)
    expect(on[0].b_operator).toBe('eq') // 既有查询配置保留
    expect(toggleQuery(on, makeField(), MODULE_ID)[0].b_canuse).toBe(0)
  })

  it('行不存在：按默认生成（money → number/eq）且强制参与', () => {
    const next = toggleQuery([], makeField(), MODULE_ID)
    expect(next).toHaveLength(1)
    expect(next[0].b_canuse).toBe(1)
    expect(next[0].b_component).toBe('number')
    expect(next[0].b_operator).toBe('eq')
    expect(next[0].b_field_module_id).toBe('m1')
  })
})

describe('切换的不变性', () => {
  it('返回新数组，不修改原数组', () => {
    const rows = [{ b_id: 'e1', b_field_id: '10', b_visible: 1 }]
    const next = toggleForm(rows, makeField(), MODULE_ID)
    expect(next).not.toBe(rows)
    expect(rows[0].b_visible).toBe(1) // 原行未被修改
  })
})