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 Sidebar from './Sidebar.vue'

type SidebarItem = {
  label: string
  to: string
}

type SidebarSection = {
  label?: string
  icon?: string
  items: SidebarItem[]
}

type SidebarProps = {
  sections: SidebarSection[]
  modelValue?: boolean
  id?: string
  sidebarClass?: string
  toggleClass?: string
}

const SidebarForTest = Sidebar as DefineComponent<SidebarProps>

const sections: SidebarSection[] = [
  {
    label: 'LOGISTIQUE / TRANSPORT',
    icon: 'mdi:truck-delivery',
    items: [
      {label: 'Réception / Expédition', to: '/reception'},
      {label: 'Validation expédition', to: '/validation'},
    ],
  },
  {
    label: 'COMMERCIAL',
    icon: 'mdi:handshake',
    items: [
      {label: 'Répertoire Fournisseurs', to: '/fournisseurs'},
    ],
  },
]

const stubs = {
  NuxtLink: {
    template: '<a :href="to" v-bind="$attrs"><slot /></a>',
    props: ['to'],
  },
}

function mountComponent(props: SidebarProps, slots?: Record<string, string>) {
  return mount(SidebarForTest, {
    props,
    slots,
    global: {stubs},
  })
}

describe('MalioSidebar', () => {
  it('renders expanded by default', () => {
    const wrapper = mountComponent({sections})
    const aside = wrapper.find('aside')
    expect(aside.classes()).toContain('w-[280px]')
  })

  it('renders section labels with icons when expanded', () => {
    const wrapper = mountComponent({sections})
    const sectionHeaders = wrapper.findAll('nav > div > div')
    expect(sectionHeaders).toHaveLength(2)
    expect(sectionHeaders[0].text()).toContain('LOGISTIQUE / TRANSPORT')
    expect(sectionHeaders[1].text()).toContain('COMMERCIAL')
  })

  it('renders all menu items with icons and labels', () => {
    const wrapper = mountComponent({sections})
    const links = wrapper.findAll('a')
    expect(links).toHaveLength(3)
    expect(links[0].text()).toContain('Réception / Expédition')
    expect(links[1].text()).toContain('Validation expédition')
    expect(links[2].text()).toContain('Répertoire Fournisseurs')
  })

  it('renders NuxtLink with correct to prop', () => {
    const wrapper = mountComponent({sections})
    const links = wrapper.findAll('a')
    expect(links[0].attributes('href')).toBe('/reception')
    expect(links[2].attributes('href')).toBe('/fournisseurs')
  })

  it('renders section icons via IconifyIcon', () => {
    const wrapper = mountComponent({sections})
    const icons = wrapper.findAllComponents(IconifyIcon)
    // 2 section icons + 1 toggle chevron = 3
    expect(icons).toHaveLength(3)
    expect(icons[0].props('icon')).toBe('mdi:truck-delivery')
    expect(icons[1].props('icon')).toBe('mdi:handshake')
  })

  it('toggle button shows chevron-left when expanded', () => {
    const wrapper = mountComponent({sections})
    const toggleIcon = wrapper.findAllComponents(IconifyIcon).at(-1)!
    expect(toggleIcon.props('icon')).toBe('mdi:chevron-left')
  })

  it('collapses on toggle click in uncontrolled mode', async () => {
    const wrapper = mountComponent({sections})
    const toggleBtn = wrapper.find('button')

    await toggleBtn.trigger('click')

    const aside = wrapper.find('aside')
    expect(aside.classes()).toContain('w-[72px]')
  })

  it('hides section label text when collapsed but keeps section icon', async () => {
    const wrapper = mountComponent({sections})
    await wrapper.find('button').trigger('click')

    const sectionHeaders = wrapper.findAll('nav > div > div')
    expect(sectionHeaders).toHaveLength(2)
    // Label text spans are hidden
    sectionHeaders.forEach((header) => {
      expect(header.findAll('span').filter(s => s.classes().includes('text-[11px]'))).toHaveLength(0)
    })
  })

  it('hides item text when collapsed', async () => {
    const wrapper = mountComponent({sections})
    await wrapper.find('button').trigger('click')

    const itemSpans = wrapper.findAll('a span')
    expect(itemSpans).toHaveLength(0)
  })

  it('toggle button shows chevron-right when collapsed', async () => {
    const wrapper = mountComponent({sections})
    await wrapper.find('button').trigger('click')

    const toggleIcon = wrapper.findAllComponents(IconifyIcon).at(-1)!
    expect(toggleIcon.props('icon')).toBe('mdi:chevron-right')
  })

  it('emits update:modelValue on toggle click', async () => {
    const wrapper = mountComponent({sections, modelValue: false})
    await wrapper.find('button').trigger('click')

    expect(wrapper.emitted('update:modelValue')?.[0]).toEqual([true])
  })

  it('respects modelValue in controlled mode', () => {
    const wrapper = mountComponent({sections, modelValue: true})
    const aside = wrapper.find('aside')
    expect(aside.classes()).toContain('w-[72px]')
  })

  it('renders logo slot when expanded', () => {
    const wrapper = mountComponent({sections}, {
      logo: '<img alt="Malio" src="/logo.svg" />',
    })
    expect(wrapper.find('img[alt="Malio"]').exists()).toBe(true)
  })

  it('renders logo-collapsed slot when collapsed', async () => {
    const wrapper = mountComponent({sections}, {
      'logo-collapsed': '<img alt="M" src="/logo-m.svg" />',
    })
    await wrapper.find('button').trigger('click')

    expect(wrapper.find('img[alt="M"]').exists()).toBe(true)
  })

  it('uses custom id when provided', () => {
    const wrapper = mountComponent({sections, id: 'my-sidebar'})
    expect(wrapper.find('aside').attributes('id')).toBe('my-sidebar')
  })

  it('toggle button has correct aria-label', async () => {
    const wrapper = mountComponent({sections})
    const btn = wrapper.find('button')
    expect(btn.attributes('aria-label')).toBe('Plier le menu')

    await btn.trigger('click')
    expect(btn.attributes('aria-label')).toBe('Déplier le menu')
  })

  it('section without label does not render a section header', () => {
    const noLabelSections: SidebarSection[] = [
      {items: [{label: 'Item', to: '/'}]},
    ]
    const wrapper = mountComponent({sections: noLabelSections})
    expect(wrapper.findAll('nav > div > div')).toHaveLength(0)
  })

  it('renders section icon in collapsed mode', async () => {
    const wrapper = mountComponent({sections})
    await wrapper.find('button').trigger('click')

    const icons = wrapper.findAllComponents(IconifyIcon)
    // 2 section icons + 1 toggle = 3
    expect(icons[0].props('icon')).toBe('mdi:truck-delivery')
    expect(icons[1].props('icon')).toBe('mdi:handshake')
  })
})