import { describe, it, expect } from 'vitest'
import { render, screen } from '@testing-library/react'
import { ProjectCard } from './ProjectCard'

const DEFAULT_PROPS = {
  title: 'My Project',
  year: '2024',
  description: 'A cool project description',
  tags: ['React', 'Node'],
}

describe('ProjectCard', () => {
  describe('rendering', () => {
    it('renders the project title', () => {
      render(<ProjectCard {...DEFAULT_PROPS} />)
      expect(screen.getByText('My Project')).toBeInTheDocument()
    })

    it('renders the year badge', () => {
      render(<ProjectCard {...DEFAULT_PROPS} />)
      expect(screen.getByText('2024')).toBeInTheDocument()
    })

    it('renders the description', () => {
      render(<ProjectCard {...DEFAULT_PROPS} />)
      expect(screen.getByText('A cool project description')).toBeInTheDocument()
    })

    it('renders each tag', () => {
      render(<ProjectCard {...DEFAULT_PROPS} />)
      expect(screen.getByText('React')).toBeInTheDocument()
      expect(screen.getByText('Node')).toBeInTheDocument()
    })

    it('renders the View Project button', () => {
      render(<ProjectCard {...DEFAULT_PROPS} />)
      expect(screen.getByRole('button', { name: /view project/i })).toBeInTheDocument()
    })
  })

  describe('structure', () => {
    it('card has hover transition classes', () => {
      const { container } = render(<ProjectCard {...DEFAULT_PROPS} />)
      const card = container.firstChild as HTMLElement
      expect(card).toHaveClass('group', 'transition-all', 'duration-300')
    })

    it('year badge has correct classes', () => {
      render(<ProjectCard {...DEFAULT_PROPS} />)
      const yearBadge = screen.getByText('2024')
      expect(yearBadge).toHaveClass('brutal-border', 'bg-carbon-black', 'text-ochre-clay', 'text-sm')
    })

    it('tags have correct classes', () => {
      render(<ProjectCard {...DEFAULT_PROPS} />)
      const tag = screen.getByText('React')
      expect(tag).toHaveClass('brutal-border', 'bg-white', 'text-carbon-black', 'text-sm', 'uppercase', 'tracking-wide')
    })
  })

  describe('conditional image rendering', () => {
    it('does not render image when imageUrl is absent', () => {
      const { container } = render(<ProjectCard {...DEFAULT_PROPS} />)
      expect(container.querySelector('img')).toBeNull()
    })

    it('renders image when imageUrl is provided', () => {
      render(<ProjectCard {...DEFAULT_PROPS} imageUrl="/project.jpg" />)
      const img = screen.getByRole('img')
      expect(img).toHaveAttribute('src', '/project.jpg')
    })

    it('image wrapper has aspect-video and overflow-hidden when imageUrl is provided', () => {
      const { container } = render(<ProjectCard {...DEFAULT_PROPS} imageUrl="/project.jpg" />)
      const imgWrapper = container.querySelector('img')!.parentElement
      expect(imgWrapper).toHaveClass('aspect-video', 'overflow-hidden', 'brutal-border')
    })
  })
})