/**
 * FmsField 多态控件渲染器测试。
 * 覆盖契约：type→控件映射、checkbox 0/1↔boolean 归一、v-model 透传、
 * control-props 直达、fallthrough（class/原生事件）透传、change 转发、
 * 默认插槽逃生舱、types 注册表覆盖、selectId(FmsSelect) 双绑回显。
 */
import { describe, it, expect, vi } from 'vitest'
import { mount } from '@vue/test-utils'
import { h, markRaw } from 'vue'
import FmsField from '@/components/fms-field/FmsField.vue'
import { Checkbox } from '@/components/ui'

// selectId 分支会挂载 FmsSelect，其依赖 @/services/api；桩掉避免真实请求
vi.mock('@/services/api', () => ({
  pageDataApi: vi.fn(async () => ({ data: { rows: [], total: 0 } })),
}))

describe('FmsField 类型 → 控件映射', () => {
  it('缺省 type 兜底渲染 Input', () => {
    const wrapper = mount(FmsField)
    expect(wrapper.find('.input-wrapper').exists()).toBe(true)
    expect(wrapper.find('input').exists()).toBe(true)
    wrapper.unmount()
  })

  it('未知 type 兜底渲染 Input', () => {
    const wrapper = mount(FmsField, { props: { type: 'not-a-real-type' } })
    expect(wrapper.find('.input-wrapper').exists()).toBe(true)
    wrapper.unmount()
  })

  it.each([
    ['textarea', 'textarea'],
    ['number', 'input[inputmode="decimal"]'],
    ['money', 'input[inputmode="decimal"]'],
    ['checkbox', 'label.checkbox'],
    ['select', '.select-trigger'],
    ['date', '.fms-date-picker'],
    ['datetime', '.fms-date-picker'],
    ['range', '.fms-range-picker'],
  ])('type=%s 渲染对应控件（%s）', (type, selector) => {
    const wrapper = mount(FmsField, { props: { type } })
    expect(wrapper.find(selector).exists()).toBe(true)
    wrapper.unmount()
  })
})

describe('FmsField 值绑定', () => {
  it('input：v-model 双向透传', async () => {
    const wrapper = mount(FmsField, { props: { modelValue: 'a' } })
    expect(wrapper.find('input').element.value).toBe('a')
    await wrapper.find('input').setValue('abc')
    expect(wrapper.emitted('update:modelValue')?.at(-1)).toEqual(['abc'])
    wrapper.unmount()
  })

  it('checkbox：存储 1 → 勾选；取消勾选 → 抛 0', async () => {
    const wrapper = mount(FmsField, { props: { type: 'checkbox', modelValue: 1 } })
    const box = wrapper.find('input.checkbox-input')
    expect(box.element.checked).toBe(true)

    await box.setValue(false)
    expect(wrapper.emitted('update:modelValue')?.at(-1)).toEqual([0])
    wrapper.unmount()
  })

  it('checkbox：存储 0 → 未勾选；勾选 → 抛 1', async () => {
    const wrapper = mount(FmsField, { props: { type: 'checkbox', modelValue: 0 } })
    const box = wrapper.find('input.checkbox-input')
    expect(box.element.checked).toBe(false)

    await box.setValue(true)
    expect(wrapper.emitted('update:modelValue')?.at(-1)).toEqual([1])
    wrapper.unmount()
  })

  it('select multiple：选项切换抛出数组并保持下拉打开', async () => {
    const wrapper = mount(FmsField, {
      props: {
        type: 'select',
        modelValue: ['a'],
        controlProps: {
          multiple: true,
          options: [
            { label: '甲', value: 'a' },
            { label: '乙', value: 'b' },
          ],
        },
      },
      attachTo: document.body,
    })
    await wrapper.find('.select-trigger').trigger('click')
    await wrapper.vm.$nextTick()

    const options = document.body.querySelectorAll('.select-option')
    options[1].click()
    await wrapper.vm.$nextTick()
    expect(wrapper.emitted('update:modelValue')?.at(-1)).toEqual([['a', 'b']])
    expect(document.body.querySelector('.select-option')).not.toBeNull()
    wrapper.unmount()
  })
})

describe('FmsField 扩展口子', () => {
  it('control-props 直达内部控件', () => {
    const wrapper = mount(FmsField, { props: { controlProps: { maxlength: 10 } } })
    expect(wrapper.find('input').attributes('maxlength')).toBe('10')
    wrapper.unmount()
  })

  it('fallthrough class 合并到内部控件根节点', () => {
    const wrapper = mount(FmsField, { attrs: { class: 'my-field' } })
    expect(wrapper.find('.input-wrapper.my-field').exists()).toBe(true)
    wrapper.unmount()
  })

  it('原生事件透传：@keydown 由内部控件冒泡命中', async () => {
    const onKeydown = vi.fn()
    const wrapper = mount(FmsField, { attrs: { onKeydown } })
    await wrapper.find('input').trigger('keydown', { key: 'Enter' })
    expect(onKeydown).toHaveBeenCalled()
    wrapper.unmount()
  })

  it('内部控件 change 原样转发', async () => {
    const wrapper = mount(FmsField)
    await wrapper.find('input').trigger('change')
    expect(wrapper.emitted('change')).toBeTruthy()
    wrapper.unmount()
  })

  it('默认插槽整体接管渲染（忽略 type）', () => {
    const wrapper = mount(FmsField, {
      props: { type: 'select' },
      slots: { default: () => h('div', { class: 'custom-control' }, '自定义') },
    })
    expect(wrapper.find('.custom-control').exists()).toBe(true)
    expect(wrapper.find('.select-trigger').exists()).toBe(false)
    wrapper.unmount()
  })

  it('types 注册表覆盖内置类型映射', () => {
    const wrapper = mount(FmsField, {
      // 组件放入响应式容器需 markRaw，避免 Vue 告警（消费者注册自定义类型时同理）
      props: { type: 'input', types: { input: markRaw(Checkbox) } },
    })
    expect(wrapper.find('label.checkbox').exists()).toBe(true)
    expect(wrapper.find('.input-wrapper').exists()).toBe(false)
    wrapper.unmount()
  })
})

describe('FmsField selectId（FmsSelect 双绑）', () => {
  it('渲染 FmsSelect，并用 label 回显选中名', () => {
    const wrapper = mount(FmsField, {
      props: {
        type: 'selectId',
        modelValue: '7',
        label: '客户甲',
        controlProps: { viewName: 'v_customer' },
      },
    })
    expect(wrapper.find('.fms-select').exists()).toBe(true)
    expect(wrapper.find('.select-input').element.value).toBe('客户甲')
    wrapper.unmount()
  })
})