import { readFileSync } from 'node:fs'
import { dirname, resolve } from 'node:path'
import { fileURLToPath } from 'node:url'
import { describe, expect, it } from 'vitest'

const __dirname = dirname(fileURLToPath(import.meta.url))
const pkg = JSON.parse(
  readFileSync(resolve(__dirname, '..', 'package.json'), 'utf8')
)

describe('package metadata', () => {
  it('exposes dual-build entrypoints for easy installation', () => {
    expect(pkg.main).toBe('./dist/index.js')
    expect(pkg.module).toBe('./dist/index.js')
    expect(pkg.types).toBe('./dist/index.d.ts')
    expect(pkg.exports?.['.']?.import).toBe('./dist/index.js')
    expect(pkg.exports?.['.']?.require).toBe('./dist/index.cjs')
    expect(pkg.exports?.['.']?.types).toBe('./dist/index.d.ts')
  })

  it('ships distributable files and documentation', () => {
    expect(pkg.files).toEqual(
      expect.arrayContaining(['dist', 'README.md', 'LICENSE'])
    )
  })

  it('includes the CLI entrypoint', () => {
    expect(pkg.bin?.typedfetch).toBe('./dist/cli.js')
  })

  it('is versioned for publishing', () => {
    expect(pkg.version).not.toBe('0.0.0')
  })
})