import {describe, expect, it} from 'vitest'
import {mount} from '@vue/test-utils'
import type {DefineComponent} from 'vue'
import { Icon as IconifyIcon } from '@iconify/vue'
import InputEmail from './InputEmail.vue'

type InputEmailProps = {
  id?: string
  label?: string
  name?: string
  autocomplete?: string
  modelValue?: string | null
  inputClass?: string
  labelClass?: string
  groupClass?: string
  required?: boolean
  disabled?: boolean
  readonly?: boolean
  hint?: string
  error?: string
  success?: string
  iconName?: string
  iconPosition?: 'left' | 'right'
  iconSize?: string | number
  iconColor?: string
}

const InputEmailForTest = InputEmail as DefineComponent<InputEmailProps>

const mountComponent = (props: InputEmailProps = {}) =>
  mount(InputEmailForTest, {
    props,
    global: {
      stubs: {
        IconifyIcon: {
          template: '<span data-test="icon" v-bind="$attrs" />',
        },
      },
    },
  })

describe('MalioInputEmail', () => {
  it('renders the initial input value', () => {
    const wrapper = mountComponent({modelValue: 'user@example.com'})

    expect(wrapper.get('input').element.value).toBe('user@example.com')
  })

  it('renders the label text', () => {
    const wrapper = mountComponent({label: 'Adresse email'})

    expect(wrapper.get('label').text()).toBe('Adresse email')
  })

  it('has type email', () => {
    const wrapper = mountComponent()

    expect(wrapper.get('input').attributes('type')).toBe('email')
  })

  it('has inputmode email', () => {
    const wrapper = mountComponent()

    expect(wrapper.get('input').attributes('inputmode')).toBe('email')
  })

  it('renders the default email icon', () => {
    const wrapper = mountComponent()

    const iconComponent = wrapper.findComponent(IconifyIcon)
    expect(iconComponent.props('icon')).toBe('mdi:email-outline')
  })

  it('allows overriding the icon', () => {
    const wrapper = mountComponent({iconName: 'mdi:at'})

    const iconComponent = wrapper.findComponent(IconifyIcon)
    expect(iconComponent.props('icon')).toBe('mdi:at')
  })

  it('does not render icon when iconName is empty', () => {
    const wrapper = mountComponent({iconName: ''})

    expect(wrapper.find('[data-test="icon"]').exists()).toBe(false)
  })

  it('places icon on the right by default', () => {
    const wrapper = mountComponent()

    expect(wrapper.get('[data-test="icon"]').classes()).toContain('right-[10px]')
  })

  it('places icon on the left when iconPosition is left', () => {
    const wrapper = mountComponent({iconPosition: 'left'})

    expect(wrapper.get('[data-test="icon"]').classes()).toContain('left-[10px]')
  })

  it('emits update:modelValue on input change', async () => {
    const wrapper = mountComponent({modelValue: ''})

    await wrapper.get('input').setValue('new@example.com')

    expect(wrapper.emitted('update:modelValue')?.[0]).toEqual(['new@example.com'])
  })

  it('sets disabled styles when true', () => {
    const wrapper = mountComponent({disabled: true})

    expect(wrapper.get('input').attributes('disabled')).toBeDefined()
    expect(wrapper.get('input').classes()).toContain('cursor-not-allowed')
  })

  it('sets readonly when true', () => {
    const wrapper = mountComponent({readonly: true})

    expect(wrapper.get('input').attributes('readonly')).toBeDefined()
  })

  it('shows error message and styles', () => {
    const wrapper = mountComponent({error: 'Email invalide'})

    expect(wrapper.get('p.text-m-danger').text()).toBe('Email invalide')
    expect(wrapper.get('input').classes()).toContain('border-m-danger')
    expect(wrapper.get('input').attributes('aria-invalid')).toBe('true')
  })

  it('shows error style on icon', () => {
    const wrapper = mountComponent({error: 'Error'})

    expect(wrapper.get('[data-test="icon"]').classes()).toContain('text-m-danger')
  })

  it('shows success message and styles', () => {
    const wrapper = mountComponent({success: 'Email valide'})

    expect(wrapper.get('p.text-m-success').text()).toBe('Email valide')
    expect(wrapper.get('input').classes()).toContain('border-m-success')
  })

  it('shows success style on icon', () => {
    const wrapper = mountComponent({success: 'Success'})

    expect(wrapper.get('[data-test="icon"]').classes()).toContain('text-m-success')
  })

  it('shows default icon color when empty and unfocused', () => {
    const wrapper = mountComponent()

    expect(wrapper.get('[data-test="icon"]').classes()).toContain('text-m-muted')
  })

  it('shows primary icon color on focus', async () => {
    const wrapper = mountComponent()

    await wrapper.get('input').trigger('focus')

    expect(wrapper.get('[data-test="icon"]').classes()).toContain('text-m-primary')
  })

  it('shows black icon color when filled and unfocused', () => {
    const wrapper = mountComponent({modelValue: 'user@example.com'})

    expect(wrapper.get('[data-test="icon"]').classes()).toContain('text-black')
  })

  it('keeps primary icon color when filled and focused', async () => {
    const wrapper = mountComponent({modelValue: 'user@example.com'})

    await wrapper.get('input').trigger('focus')

    expect(wrapper.get('[data-test="icon"]').classes()).toContain('text-m-primary')
  })

  it('keeps default icon color when disabled, even if filled', () => {
    const wrapper = mountComponent({modelValue: 'user@example.com', disabled: true})

    expect(wrapper.get('[data-test="icon"]').classes()).toContain('text-m-muted')
  })

  it('error overrides focus color on icon', async () => {
    const wrapper = mountComponent({error: 'Email invalide'})

    await wrapper.get('input').trigger('focus')

    expect(wrapper.get('[data-test="icon"]').classes()).toContain('text-m-danger')
  })

  it('shows hint message', () => {
    const wrapper = mountComponent({hint: 'ex: prenom.nom@malio.fr'})

    expect(wrapper.get('p.text-m-muted').text()).toBe('ex: prenom.nom@malio.fr')
  })

  it('links label to input via for/id', () => {
    const wrapper = mountComponent({id: 'email-field', label: 'Email'})

    expect(wrapper.get('input').attributes('id')).toBe('email-field')
    expect(wrapper.get('label').attributes('for')).toBe('email-field')
  })

  it('generates an id when missing and reuses it on label', () => {
    const wrapper = mountComponent({label: 'Email'})

    const inputId = wrapper.get('input').attributes('id')

    expect(inputId?.startsWith('malio-input-email-')).toBe(true)
    expect(wrapper.get('label').attributes('for')).toBe(inputId)
  })

  it('aria-invalid is false when no error', () => {
    const wrapper = mountComponent()

    expect(wrapper.get('input').attributes('aria-invalid')).toBe('false')
  })

  it('uses autocomplete off by default', () => {
    const wrapper = mountComponent()

    expect(wrapper.get('input').attributes('autocomplete')).toBe('off')
  })

  it('allows overriding autocomplete', () => {
    const wrapper = mountComponent({autocomplete: 'email'})

    expect(wrapper.get('input').attributes('autocomplete')).toBe('email')
  })
})