/**
 * 删除规则配置工具（module-management/ruleUtils）：
 * 关系业务键拼串/还原、predicate 三态推断、识别文案、新增行构造、条件面板 items 构造。
 */
import { describe, expect, it } from 'vitest'
import {
  REF_RULE_HINT,
  buildRuleQueryItems,
  createRefRuleRow,
  createRuleRow,
  isCompleteRelationKey,
  itemMapOf,
  parseRelationScopeId,
  parseRulePredicate,
  relationScopeId,
  ruleLabel,
  ruleSummary,
  ruleTypeText,
} from '@/views/module/module-management/ruleUtils'

const relation = {
  b_source_module_id: 'order',
  b_source_field: 'b_id',
  b_target_module_id: 'order_item',
  b_target_field: 'b_order_id',
}

const fields = [
  { b_field: 'b_status', b_name: '状态', b_type: 'select', b_canuse: 1 },
  { b_field: 'b_amount', b_name: '金额', b_type: 'money', b_canuse: 1 },
  { b_field: 'b_off', b_name: '停用字段', b_type: 'input', b_canuse: 0 },
]

describe('删除规则工具', () => {
  it('关系业务键与四列互逆', () => {
    expect(relationScopeId(relation)).toBe('order|b_id|order_item|b_order_id')
    expect(parseRelationScopeId('order|b_id|order_item|b_order_id')).toEqual({
      sourceModuleId: 'order',
      sourceField: 'b_id',
      targetModuleId: 'order_item',
      targetField: 'b_order_id',
    })
    expect(isCompleteRelationKey(relation)).toBe(true)
    expect(isCompleteRelationKey({ ...relation, b_target_field: null })).toBe(false)
  })

  it('predicate 三态：空=引用、JSON=勾条件、其余=SQL（非法 JSON 降级为 SQL）', () => {
    expect(parseRulePredicate({ b_predicate: null }).kind).toBe('reference')
    expect(parseRulePredicate({ b_predicate: '   ' }).kind).toBe('reference')

    const dsl = parseRulePredicate({
      b_predicate: JSON.stringify({
        kind: 'dsl',
        expr: { type: 'group', children: [{ type: 'condition', field: 'b_status' }] },
      }),
    })
    expect(dsl.kind).toBe('dsl')
    expect(dsl.expr.children).toHaveLength(1)

    expect(parseRulePredicate({ b_predicate: 'select 1 where b_id in (:ids)' })).toMatchObject({
      kind: 'sql',
    })
    expect(parseRulePredicate({ b_predicate: '{不是合法 JSON' })).toMatchObject({ kind: 'sql' })
    // JSON 合法但不是 dsl 形状：按 SQL 文本处理，内容不丢
    expect(parseRulePredicate({ b_predicate: '{"foo":1}' })).toMatchObject({ kind: 'sql' })
  })

  it('类型文案与摘要：条件走中文描述、SQL 单行截断、引用固定说明', () => {
    const itemByField = itemMapOf(buildRuleQueryItems(fields, {}))

    const dslRow = {
      b_predicate: JSON.stringify({
        kind: 'dsl',
        expr: {
          type: 'group',
          children: [{ type: 'condition', field: 'b_amount', operator: 'gt', value: 0 }],
        },
      }),
    }
    expect(ruleTypeText(dslRow)).toBe('条件')
    expect(ruleSummary(dslRow, itemByField)).toBe('金额 大于 0')

    const sqlRow = { b_predicate: 'select\n  b_id\nfrom bill where b_settled = 1' }
    expect(ruleTypeText(sqlRow)).toBe('SQL')
    expect(ruleSummary(sqlRow, itemByField)).toBe('select b_id from bill where b_settled = 1')

    const refRow = { b_predicate: null }
    expect(ruleTypeText(refRow)).toBe('引用')
    expect(ruleSummary(refRow, itemByField)).toBe(REF_RULE_HINT)
  })

  it('识别文案：勾条件显示条件摘要，写 SQL 显示提示文案（缺文案退回 SQL 片段）', () => {
    const itemByField = itemMapOf(buildRuleQueryItems(fields, {}))

    const dslRow = {
      b_predicate: JSON.stringify({
        kind: 'dsl',
        expr: {
          type: 'group',
          children: [{ type: 'condition', field: 'b_status', operator: 'eq', value: 'audit' }],
        },
      }),
    }
    expect(ruleLabel(dslRow, itemByField)).toBe('状态 等于 audit')

    const sqlRow = { b_predicate: 'select 1 as b_id', b_message: '单据已销账，不能删除' }
    expect(ruleLabel(sqlRow, itemByField)).toBe('单据已销账，不能删除')
    expect(ruleLabel({ ...sqlRow, b_message: null }, itemByField)).toBe('select 1 as b_id')

    expect(ruleLabel({ b_predicate: null }, itemByField)).toBe(REF_RULE_HINT)
  })

  it('新增行：主键由调用方取号传入，无名称/编码字段', () => {
    const rule = createRuleRow('order', { id: '1900000000000000001', xh: 30 })
    expect(rule).toMatchObject({
      b_id: '1900000000000000001',
      b_scope_type: 'module',
      b_scope_id: 'order',
      b_hook: 'delete.pre',
      b_predicate: null,
      b_canuse: 1,
      b_xh: 30,
    })
    expect(rule.b_code).toBeUndefined()
    expect(rule.b_name).toBeUndefined()

    const ref = createRefRuleRow('order|b_id|order_item|b_order_id', '1900000000000000002')
    expect(ref).toMatchObject({
      b_id: '1900000000000000002',
      b_scope_type: 'relation',
      b_scope_id: 'order|b_id|order_item|b_order_id',
      b_predicate: null,
      b_hook: 'delete.pre',
    })
  })

  it('items 构造：只列启用字段，类型映射控件，select 缺选项时降级为输入', () => {
    const items = buildRuleQueryItems(fields, {
      groups: [
        {
          conditions: [
            { field: 'b_status', operator: 'in', component: 'select', options: [{ value: 'a' }] },
          ],
        },
      ],
    })

    expect(items.map((item) => item.field.b_field)).toEqual(['b_status', 'b_amount'])
    // 查询配置里定义过：沿用其操作符/控件/选项
    expect(items[0].config).toMatchObject({ b_operator: 'in', b_component: 'select' })
    expect(items[0].options).toEqual([{ value: 'a', label: 'a' }])
    // 未定义过：按字段类型推导（金额 → 数字输入）
    expect(items[1].config.b_component).toBe('number')
    expect(items[1].config.b_operator).toBe('eq')
  })
})