/**
 * 界面配置 JSON → 运行时渲染配置 适配层测试（fms-module-common/schemaRender）。
 * 覆盖 view→列表列、edit→分组/编辑行、query→查询入口，以及栏位设置回写 JSON。
 */
import { describe, expect, it } from 'vitest'
import {
  buildListConfig,
  buildEditRender,
  buildQueryRender,
  applyColumnSettings,
} from '@/components/fms-module-common/schemaRender'
import { parseOptions } from '@/components/fms-module-common/fieldUtils'

describe('buildListConfig（view JSON → 列表列）', () => {
  it('分组/嵌套分组按文档顺序展开为扁平列，保留宽度与可见性', () => {
    const view = {
      schemaVersion: 1,
      columns: [
        { field: 'name', width: 120 },
        {
          type: 'group',
          title: '基本信息',
          children: [
            { field: 'age', width: 100 },
            { type: 'group', title: '深层', children: [{ field: 'remark', width: 200 }] },
          ],
        },
        { field: 'hidden', visible: false },
      ],
    }
    const rows = buildListConfig(view)
    expect(rows.map((r) => r.b_field)).toEqual(['name', 'age', 'remark', 'hidden'])
    expect(rows.map((r) => r.b_xh)).toEqual([10, 20, 30, 40])
    expect(rows[0]).toMatchObject({ b_field: 'name', b_width: 120, b_visible: 1 })
    expect(rows[3].b_visible).toBe(0)
  })

  it('无配置时返回空数组', () => {
    expect(buildListConfig({ schemaVersion: 1, columns: [] })).toEqual([])
    expect(buildListConfig(null)).toEqual([])
  })
})

describe('buildEditRender（edit JSON → 分组 + 行 + 编辑行）', () => {
  it('行节点 → lines，行属性与嵌套分组保留', () => {
    const edit = {
      schemaVersion: 2,
      children: [
        { type: 'row', children: [{ field: 'code', span: 24, required: true }] },
        {
          type: 'group',
          title: '基础',
          children: [
            {
              type: 'row',
              children: [
                { field: 'name', span: 12, readonly: true, defaultValue: 'X' },
                { field: 'age', span: 12 },
              ],
            },
            { type: 'group', title: '扩展', children: [{ type: 'row', children: [{ field: 'remark', span: 24 }] }] },
          ],
        },
      ],
    }
    const { groups, rows, lines } = buildEditRender(edit)
    expect(rows.map((r) => r.b_field)).toEqual(['code', 'name', 'age', 'remark'])
    const outer = groups.find((g) => g.b_title === '基础')
    const inner = groups.find((g) => g.b_title === '扩展')
    expect(outer).toBeTruthy()
    expect(inner.b_parent_id).toBe(outer.b_id)
    expect(rows[0]).toMatchObject({ b_group_id: null, b_required: 1, b_colspan: 24 })
    expect(rows[1]).toMatchObject({
      b_group_id: outer.b_id,
      b_colspan: 12,
      b_readonly: 1,
      b_default_value: 'X',
    })
    expect(rows[2].b_group_id).toBe(inner.b_id)
    // 行是显式结构：同一行 b_line 相同、跨行不同，lines 按行聚合
    expect(rows[1].b_line).toBe(rows[2].b_line)
    expect(rows[0].b_line).not.toBe(rows[1].b_line)
    expect(lines.map((l) => l.rows.map((r) => r.b_field))).toEqual([
      ['code'],
      ['name', 'age'],
      ['remark'],
    ])
    expect(lines.every((l) => l.rows.every((r) => r.b_line === l.key))).toBe(true)
  })

  it('老结构（平铺 + newline）容错折行，只读不回写', () => {
    const edit = {
      schemaVersion: 1,
      children: [
        { field: 'a', span: 8 },
        { field: 'b', span: 8 },
        { field: 'c', span: 8, newline: true },
        { field: 'd', span: 24 },
      ],
    }
    const { lines } = buildEditRender(edit)
    expect(lines.map((l) => l.rows.map((r) => r.b_field))).toEqual([['a', 'b'], ['c'], ['d']])
  })
})

describe('buildQueryRender（query JSON → 查询入口）', () => {
  const fields = [
    { b_field: 'b_no', b_name: '单号', b_type: 'input' },
    { b_field: 'b_status', b_name: '状态', b_type: 'select' },
    { b_field: 'b_created', b_name: '创建时间', b_type: 'datetime' },
    { b_field: 'b_denied', b_name: '无权限字段', b_type: 'input' },
  ]
  const query = {
    schemaVersion: 3,
    views: [
      { code: 'all', label: '全部', order: 20 },
      {
        code: 'pending',
        label: '待处理',
        order: 10,
        showCount: true,
        group: '状态',
        isDefault: true,
      },
      {
        code: 'audited',
        label: '已审核',
        order: 15,
        group: '审核状态',
        conditionSql: "b_status = N'2'",
      },
      {
        code: 'ghost',
        label: '幽灵页签',
        order: 30,
        conditions: [{ field: 'b_denied', operator: 'eq', value: 'x' }],
      },
    ],
    keywordSearch: { fields: ['b_no', 'b_denied'] },
    quickFilters: [
      { field: 'b_created', order: 20 },
      { field: 'b_status', order: 10 },
      { field: 'b_denied', order: 30 },
    ],
    queryFields: {
      b_status: { component: 'select', operator: 'eq' },
      b_created: { component: 'datetime', operator: 'between' },
      b_denied: { component: 'input', operator: 'eq' },
    },
  }

  it('产出分组页签 / 关键词 / 快捷筛选 / 更多筛选，条目按 order 排序', () => {
    const render = buildQueryRender(query, fields)
    expect(render.views.map((v) => [v.code, v.group, v.showCount, v.conditionSql])).toEqual([
      ['pending', '状态', true, ''],
      ['audited', '审核状态', false, "b_status = N'2'"],
      ['all', '', false, ''],
      ['ghost', '', false, ''],
    ])
    expect(render.defaultViewCodes).toEqual({ 状态: 'pending' })
    expect(render.quickFilters.map((item) => item.field.b_field)).toEqual(['b_status', 'b_created'])
    // 更多筛选 = 字段查询元数据全集去掉已进快捷筛选的字段（顺序即配置顺序）
    expect(render.moreFilters.map((item) => item.field.b_field)).toEqual(['b_no', 'b_denied'])
    expect(render.keywordSearch.items.map((item) => item.field.b_field)).toEqual([
      'b_no',
      'b_denied',
    ])
  })

  it('字段项统一为 FmsQueryControl 消费的形状，算子缺省按字段类型推导', () => {
    const render = buildQueryRender(query, fields)
    const statusItem = render.quickFilters[0]
    expect(statusItem.config).toMatchObject({
      b_field: 'b_status',
      b_component: 'select',
      b_operator: 'eq',
    })
    // 已登记的字段沿用配置算子
    const deniedItem = render.moreFilters.find((item) => item.field.b_field === 'b_denied')
    expect(deniedItem.config.b_operator).toBe('eq')
    // queryFields 未登记的字段按 b_type 推导：input → like
    const noItem = render.moreFilters.find((item) => item.field.b_field === 'b_no')
    expect(noItem.config.b_operator).toBe('like')
  })

  it('无权限字段不进任何入口；旧结构页签引用它则整条丢弃（SQL 条件无法解析，原样保留）', () => {
    const render = buildQueryRender(query, fields, new Set(['b_no', 'b_status', 'b_created']))
    expect(render.views.map((v) => v.code)).toEqual(['pending', 'audited', 'all'])
    expect(render.quickFilters.map((item) => item.field.b_field)).toEqual(['b_status', 'b_created'])
    expect(render.keywordSearch.items.map((item) => item.field.b_field)).toEqual(['b_no'])
    expect(render.moreFilters.map((item) => item.field.b_field)).toEqual(['b_no'])
  })

  it('老数据兼容：顶层 defaultViewCode 落到所属分组，结构化条件原样保留', () => {
    const legacy = {
      schemaVersion: 2,
      defaultViewCode: 'pending',
      views: [
        {
          code: 'pending',
          label: '待处理',
          order: 10,
          conditions: [{ field: 'b_status', operator: 'eq', value: '1' }],
        },
        { code: 'audited', label: '已审核', order: 20, group: '审核状态' },
      ],
      queryFields: {},
    }
    const render = buildQueryRender(legacy, fields)
    expect(render.defaultViewCodes).toEqual({ '': 'pending' })
    expect(render.views[0].conditionSql).toBe('')
    expect(render.views[0].conditions).toEqual([
      { field: 'b_status', operator: 'eq', value: '1' },
    ])
  })

  it('未配置查询时返回空结构', () => {
    const render = buildQueryRender(null, fields)
    expect(render.views).toEqual([])
    expect(render.defaultViewCodes).toEqual({})
    expect(render.keywordSearch).toBeNull()
    expect(render.quickFilters).toEqual([])
    expect(render.moreFilters).toEqual([])
  })
})

describe('applyColumnSettings（栏位设置回写 JSON）', () => {
  it('同层按设置顺序重排并更新宽度，保留分组结构', () => {
    const view = {
      schemaVersion: 1,
      columns: [
        { field: 'a', width: 100 },
        { type: 'group', title: 'G', children: [{ field: 'b', width: 110 }, { field: 'c', width: 120 }] },
        { field: 'd', width: 130 },
      ],
    }
    const settings = [
      { b_field: 'd', b_width: 300 },
      { b_field: 'b', b_width: 200 },
      { b_field: 'a', b_width: 150 },
      { b_field: 'c', b_width: 120 },
    ]
    const next = applyColumnSettings('view', view, settings)
    expect(next.columns[0].field).toBe('d')
    expect(next.columns[0].width).toBe(300)
    expect(next.columns[1].type).toBe('group')
    expect(next.columns[1].children.map((n) => n.field)).toEqual(['b', 'c'])
    expect(next.columns[1].children[0].width).toBe(200)
    expect(next.columns[2].field).toBe('a')
    expect(next.columns[2].width).toBe(150)
  })
})

describe('parseOptions（选项来源）', () => {
  it('读取界面配置节点的 options 数组', () => {
    const { options } = parseOptions({ options: [{ value: '1', label: '是' }, { value: '0', label: '否' }] })
    expect(options.map((o) => o.value)).toEqual(['1', '0'])
  })

  it('读取 { options: [] } 形态并解析 optionConfig', () => {
    const { options, optionConfig } = parseOptions({
      options: { precision: 3, options: [{ value: 1, label: '一' }] },
    })
    expect(optionConfig.precision).toBe(3)
    expect(options[0]).toMatchObject({ value: 1, label: '一' })
  })

  it('兼容旧字段行 b_options JSON 字符串', () => {
    const { options } = parseOptions({ b_options: JSON.stringify(['A', 'B']) })
    expect(options.map((o) => o.value)).toEqual(['A', 'B'])
  })

  it('无选项来源时返回空', () => {
    expect(parseOptions({ b_type: 'input' })).toEqual({ optionConfig: {}, options: [] })
    expect(parseOptions(null)).toEqual({ optionConfig: {}, options: [] })
  })
})