import { describe, it, expect, vi } from 'vitest'
import type { App } from 'vue'
import {
  createNychthemeron,
  LoadingIcon,
  Checkbox,
  RadioButton,
  CheckboxGroup,
  RadioButtonGroup,
  Select,
  Card,
  Dialog,
  Message,
} from '../src/index'

//eslint-disable-next-line
const callSetup = (component: any, props: Record<string, unknown>) => {
  const mergedProps: Record<string, unknown> = {}

  if (component.props) {
    for (const [key, propDef] of Object.entries(component.props)) {
      if (typeof propDef === 'object' && propDef !== null && 'default' in propDef) {
        mergedProps[key] = (propDef as { default: unknown }).default
      }
    }
  }

  Object.assign(mergedProps, props)

  if (component.setup) {
    const result = component.setup(mergedProps, { slots: {}, attrs: {} })
    if (typeof result === 'function') {
      const vnode = result()
      return (vnode?.props as Record<string, unknown>) || {}
    }
    return result
  }
  return mergedProps
}

describe('createNychthemeron', () => {
  it('returns a Vue plugin with install method', () => {
    const plugin = createNychthemeron()
    expect(typeof plugin.install).toBe('function')
  })

  it('install registers NychButton and NychLoadingIcon globally', () => {
    const plugin = createNychthemeron()
    const mockApp = { component: vi.fn() } as unknown as App
    plugin.install(mockApp)
    expect(mockApp.component).toHaveBeenCalledWith('NychButton', expect.anything())
    expect(mockApp.component).toHaveBeenCalledWith('NychLoadingIcon', expect.anything())
  })

  it('exposes Button and LoadingIcon components', () => {
    const { Button: btn, LoadingIcon: icon } = createNychthemeron()
    expect(btn).toBeDefined()
    expect(icon).toBeDefined()
  })
})

describe('LoadingIcon', () => {
  it('is a valid Vue component', () => {
    expect(LoadingIcon).toBeDefined()
  })
})

describe('themed pt components', () => {
  const cases = [
    { name: 'Checkbox', component: Checkbox, base: 'nych-checkbox' },
    { name: 'CheckboxGroup', component: CheckboxGroup, base: 'nych-checkbox-group' },
    { name: 'RadioButton', component: RadioButton, base: 'nych-radio' },
    { name: 'RadioButtonGroup', component: RadioButtonGroup, base: 'nych-radio-group' },
    { name: 'Select', component: Select, base: 'nych-select' },
    { name: 'Card', component: Card, base: 'nych-card' },
    { name: 'Dialog', component: Dialog, base: 'nych-dialog' },
    { name: 'Message', component: Message, base: 'nych-message' },
  ]

  it.each(cases)('$name is a valid Vue component', ({ component }) => {
    expect(component).toBeDefined()
    expect(typeof (component as Record<string, unknown>).setup).toBe('function')
  })

  it.each(cases)('$name injects its base class onto pt.root', ({ component, base }) => {
    const result = callSetup(component, { pt: {} })
    expect(result.pt?.root?.class).toContain(base)
  })

  it.each(cases)('$name does not leak engine internal props', ({ component }) => {
    const result = callSetup(component, { pt: {} })
    expect(result).not.toHaveProperty('injectedClasses')
    expect(result).not.toHaveProperty('injectedStyles')
    expect(result).not.toHaveProperty('stylePlug')
  })

  it('Checkbox themes its box, input and icon sections', () => {
    const result = callSetup(Checkbox, { pt: {} })
    expect(result.pt?.box?.class).toContain('nych-checkbox-box')
    expect(result.pt?.input?.class).toContain('nych-checkbox-input')
    expect(result.pt?.icon?.class).toContain('nych-checkbox-icon')
  })

  it('Select themes its overlay and option sections', () => {
    const result = callSetup(Select, { pt: {} })
    expect(result.pt?.overlay?.class).toContain('nych-select-overlay')
    expect(result.pt?.option?.class).toContain('nych-select-option')
  })
})