/**
 * 删除规则面板（module-management/ModuleRulePanel）：
 * - 加载回填只补界面派生列（_rowKey / _typeText / _labelText），业务列不变（不置脏）；
 * - 列表识别：勾条件显示条件中文摘要，写 SQL 显示提示文案；
 * - 保存前校验：勾条件要有条件、写 SQL 要有 SQL 与提示文案；
 * - 其他模块在本模块上配的引用规则只读展示，可跳转到源模块。
 */
import { beforeAll, beforeEach, describe, expect, it, vi } from 'vitest'
import { mount } from '@vue/test-utils'
import { flushPromises } from '@vue/test-utils'
import { createPinia, setActivePinia } from 'pinia'
import { nextTick } from 'vue'
import ModuleRulePanel from '@/views/module/module-management/ModuleRulePanel.vue'
import { stripInternalKeys } from '@/utils/dataChanges'

vi.mock('@/services/api', () => ({
  loadDataApi: vi.fn(),
  nextIdApi: vi.fn(() => Promise.resolve({ data: '1900000000000000009', code: 0 })),
}))

vi.mock('@/components/ui/message/message-manager.js', () => {
  const m = { success: vi.fn(), error: vi.fn(), warning: vi.fn(), info: vi.fn() }
  return { Message: m, default: m }
})

// jsdom 无布局：StkTable 在 clientWidth 为 0 时启用虚拟列裁剪，补成宽容器
beforeAll(() => {
  Object.defineProperty(HTMLElement.prototype, 'clientWidth', {
    configurable: true,
    get() {
      return 5000
    },
  })
})

const FIELDS = [
  { b_field: 'b_status', b_name: '状态', b_type: 'select', b_canuse: 1 },
  { b_field: 'b_settled', b_name: '已销账', b_type: 'checkbox', b_canuse: 1 },
]

const MODULES = [
  { b_id: 'order', b_name: '订单', b_canuse: 1 },
  { b_id: 'order_item', b_name: '订单明细', b_canuse: 1 },
]

/** 库中已有的一条勾条件规则：状态等于 audit */
const dslRow = {
  b_id: '1900000000000000001',
  b_scope_type: 'module',
  b_scope_id: 'order',
  b_hook: 'delete.pre',
  b_predicate: JSON.stringify({
    kind: 'dsl',
    expr: {
      type: 'group',
      children: [
        { type: 'condition', field: 'b_status', operator: 'eq', value: 'audit', join: 'and' },
      ],
    },
  }),
  b_message: null,
  b_canuse: 1,
  b_xh: 10,
}

async function mountPanel({ rules = [], refRulesReverse = [] } = {}) {
  const pinia = createPinia()
  pinia.install({ provide() {}, config: { globalProperties: {} } })
  setActivePinia(pinia)
  const wrapper = mount(ModuleRulePanel, {
    props: {
      moduleId: 'order',
      fields: FIELDS,
      querySchema: {},
      refRulesReverse,
      modules: MODULES,
      loading: false,
      modelValue: rules,
    },
    global: { plugins: [pinia] },
    attachTo: document.body,
  })
  await flushPromises()
  await nextTick()
  return wrapper
}

const lastRules = (wrapper) => {
  const events = wrapper.emitted('update:modelValue') || []
  return events.length ? events[events.length - 1][0] : null
}

beforeEach(() => {
  document.body.innerHTML = ''
})

describe('删除规则面板', () => {
  it('加载回填只补界面派生列，业务列不变', async () => {
    const wrapper = await mountPanel({ rules: [{ ...dslRow }] })
    const next = lastRules(wrapper)

    expect(next).toHaveLength(1)
    expect(next[0]._rowKey).toBeTruthy()
    expect(next[0]._typeText).toBe('条件')
    expect(next[0]._labelText).toBe('状态 等于 audit')
    // 剥掉 _ 前缀的内部键后与库中行完全一致（不置脏）
    expect(stripInternalKeys(next[0])).toEqual(dslRow)
  })

  it('识别文案：写 SQL 的规则用提示文案当列表文案', async () => {
    const sqlRow = {
      ...dslRow,
      b_id: '1900000000000000002',
      b_predicate: 'select b_id from bill where b_settled = 1',
      b_message: '单据已销账，不能删除',
    }
    const wrapper = await mountPanel({ rules: [sqlRow] })
    const next = lastRules(wrapper)

    expect(next[0]._typeText).toBe('SQL')
    expect(next[0]._labelText).toBe('单据已销账，不能删除')
  })

  it('校验：勾条件必须真有条件，写 SQL 必须有 SQL 与提示文案', async () => {
    const emptyDsl = {
      ...dslRow,
      b_id: '1900000000000000003',
      b_predicate: JSON.stringify({ kind: 'dsl', expr: { type: 'group', children: [] } }),
    }
    const sqlWithoutMessage = {
      ...dslRow,
      b_id: '1900000000000000004',
      b_predicate: 'select b_id from bill where b_id in (:ids)',
      b_message: '',
    }
    const wrapper = await mountPanel({ rules: [emptyDsl, sqlWithoutMessage] })
    const errors = wrapper.vm.validate()

    expect(errors).toContain('第 1 条规则：至少配置一个判定条件')
    expect(errors).toContain('第 2 条规则：写 SQL 的规则必须填写提示文案')

    // 引用规则不该出现在模块级列表里；没有主键的行也要拦住（新增取号失败的情况）
    const refWrapper = await mountPanel({ rules: [{ ...dslRow, b_predicate: null }] })
    expect(refWrapper.vm.validate()).toContain('第 1 条规则：引用规则请到「模块关联」面板维护')
    const noIdWrapper = await mountPanel({ rules: [{ ...dslRow, b_id: '' }] })
    expect(noIdWrapper.vm.validate()).toContain('第 1 条规则：缺少主键（请重新新增）')
  })

  it('新增规则：取号后打开弹窗，确定时才落草稿', async () => {
    const wrapper = await mountPanel()
    await wrapper.vm.openRuleModal(null)
    await flushPromises()

    expect(wrapper.vm.editingIsNew).toBe(true)
    expect(wrapper.vm.editingRow.b_id).toBe('1900000000000000009')
    expect(wrapper.vm.ruleModalOpen).toBe(true)
    // 未确定前不进列表
    expect(lastRules(wrapper)).toBe(null)

    wrapper.vm.onRuleOk({ ...wrapper.vm.editingRow, b_predicate: 'select 1 as b_id' })
    await nextTick()
    expect(lastRules(wrapper)).toHaveLength(1)
    expect(lastRules(wrapper)[0].b_id).toBe('1900000000000000009')
  })

  it('只读区：把引用规则还原成模块名/字段列，并支持跳转到源模块', async () => {
    const wrapper = await mountPanel({
      refRulesReverse: [
        {
          b_id: '1900000000000000005',
          b_scope_type: 'relation',
          b_scope_id: 'order_item|b_order_id|order|b_id',
          b_hook: 'delete.pre',
          b_predicate: null,
          b_canuse: 1,
          b_xh: 10,
        },
      ],
    })
    await nextTick()

    expect(wrapper.text()).toContain('其他模块在本模块上配置的引用规则')
    expect(wrapper.text()).toContain('订单明细（order_item）')
    expect(wrapper.text()).toContain('订单（order）')

    const viewButton = wrapper.findAll('button').find((button) => button.text().includes('查看'))
    expect(viewButton, '只读区应有查看按钮').toBeTruthy()
    await viewButton.trigger('click')
    expect(wrapper.emitted('navigate')?.[0]).toEqual(['order_item'])
  })
})