import { describe, expect, it } from 'vitest'
import CheckboxField from '../../src/components/form/fields/CheckboxField.vue'
import DropdownField from '../../src/components/form/fields/DropdownField.vue'
import NumberField from '../../src/components/form/fields/NumberField.vue'
import RelationField from '../../src/components/form/fields/RelationField.vue'
import SwitchField from '../../src/components/form/fields/SwitchField.vue'
import TextField from '../../src/components/form/fields/TextField.vue'
import TextareaField from '../../src/components/form/fields/TextareaField.vue'
import PartialField from '../../src/components/form/fields/PartialField.vue'
import UnsupportedField from '../../src/components/form/fields/UnsupportedField.vue'
import WidgetField from '../../src/components/form/fields/WidgetField.vue'
import RelationManager from '../../src/components/relation/RelationManager.vue'
import {
  controlAttributes,
  controlClass,
  groupLabelled,
  isRegistered,
  needsRecord,
  ownsLabel,
  RELATION_MANAGER,
  rendererFor,
  toggleOn,
  toggleValue,
} from '../../src/components/form/registry'
import * as control from '../../src/components/form/control'
import { formField } from '../fixtures/typed'

describe('field renderer registry (D-05)', () => {
  it.each([
    ['text', TextField],
    ['textarea', TextareaField],
    ['number', NumberField],
    ['dropdown', DropdownField],
    ['switch', SwitchField],
    ['checkbox', CheckboxField],
    ['relation', RelationField],
    [RELATION_MANAGER, RelationManager],
  ])('renders %s with its control', (type, component) => {
    expect(rendererFor(type)).toBe(component)
  })

  it.each(['colorpicker', 'fileupload', '', 'TEXT', 'constructor'])('falls back to UnsupportedField for %j', (type) => {
    expect(rendererFor(type)).toBe(UnsupportedField)
    expect(isRegistered(type)).toBe(false)
  })

  it('edits values of every control type except the record-bound relation manager', () => {
    expect(RELATION_MANAGER).toBe('relation-manager')
    for (const type of ['text', 'textarea', 'number', 'dropdown', 'switch', 'checkbox', 'relation']) {
      expect(isRegistered(type), type).toBe(true)
      expect(needsRecord(type), type).toBe(false)
    }
    expect(isRegistered(RELATION_MANAGER)).toBe(false)
    expect(needsRecord(RELATION_MANAGER)).toBe(true)
  })

  it('lets toggle cards and the relation manager render their own label', () => {
    expect(ownsLabel('switch')).toBe(true)
    expect(ownsLabel('checkbox')).toBe(true)
    expect(ownsLabel(RELATION_MANAGER)).toBe(true)
    expect(ownsLabel('text')).toBe(false)
    expect(ownsLabel('relation')).toBe(false)
  })
})

describe('plugin extension types (Phase 10.1, D-09)', () => {
  it('registers widget and partial with their controls', () => {
    expect(rendererFor('widget')).toBe(WidgetField)
    expect(rendererFor('partial')).toBe(PartialField)
  })

  it.each(['widget', 'partial'])('treats %s as valueless, rendered on create and group-labelled', (type) => {
    expect(isRegistered(type)).toBe(false)
    expect(needsRecord(type)).toBe(false)
    expect(groupLabelled(type)).toBe(true)
    expect(ownsLabel(type)).toBe(false)
  })

  it('labels every other type as a control, not a group', () => {
    for (const type of ['text', 'textarea', 'number', 'dropdown', 'switch', 'checkbox', 'relation', RELATION_MANAGER, 'colorpicker']) {
      expect(groupLabelled(type), type).toBe(false)
    }
  })
})

describe('control attributes', () => {
  it('passes only allow-listed Winter attributes, lower-cased, and drops null and false', () => {
    const field = formField('name')
    field.attributes = {
      placeholder: 'Type…',
      MaxLength: 20,
      readonly: true,
      spellcheck: false,
      pattern: null,
      onclick: 'alert(1)',
      onfocus: 'x',
      style: 'color:red',
      class: 'evil',
      id: 'hijack',
      autofocus: true,
    }
    expect(controlAttributes(field)).toEqual({ placeholder: 'Type…', maxlength: 20, readonly: true })
  })

  it('answers no attributes without a map', () => {
    expect(controlAttributes(formField('code'))).toEqual({})
  })

  it('switches the border to danger when invalid', () => {
    expect(controlClass(true)).toContain('border-danger')
    expect(controlClass(false)).toContain('border-border-strong')
    expect(controlClass(undefined)).not.toContain('border-danger')
  })
})

describe('toggle values', () => {
  it.each([
    [true, true],
    [1, true],
    ['1', true],
    ['true', true],
    ['yes', true],
    [false, false],
    [0, false],
    ['0', false],
    ['', false],
    ['False', false],
    [null, false],
    [undefined, false],
  ])('%j is %s', (value, on) => {
    expect(toggleOn(value)).toBe(on)
  })

  it('keeps a numeric stored value numeric and sends booleans otherwise', () => {
    expect(toggleValue(0, true)).toBe(1)
    expect(toggleValue(1, false)).toBe(0)
    expect(toggleValue(false, true)).toBe(true)
    expect(toggleValue('1', false)).toBe(false)
    expect(toggleValue(undefined, true)).toBe(true)
  })
})

describe('control module', () => {
  it('is what the registry re-exports, so field controls never import the registry', () => {
    expect(controlAttributes).toBe(control.controlAttributes)
    expect(controlClass).toBe(control.controlClass)
    expect(toggleOn).toBe(control.toggleOn)
    expect(toggleValue).toBe(control.toggleValue)
  })
})