import { readdirSync, readFileSync } from 'node:fs'
import { fileURLToPath } from 'node:url'
import { describe, expect, it } from 'vitest'
import { schemaRegistry } from '../src/index.js'

const root = fileURLToPath(new URL('../../../contracts/', import.meta.url))

const casesIn = (dir: string): Array<[string, string, string]> => {
  const out: Array<[string, string, string]> = []
  for (const name of readdirSync(`${root}${dir}`)) {
    for (const file of readdirSync(`${root}${dir}/${name}`)) {
      out.push([name, file, `${root}${dir}/${name}/${file}`])
    }
  }
  return out
}

describe('golden fixtures validate against domain schemas', () => {
  it.each(casesIn('fixtures'))('%s / %s', (name, _file, path) => {
    const schema = schemaRegistry[name]
    expect(schema, `no schema registered for fixture dir '${name}'`).toBeDefined()
    const data = JSON.parse(readFileSync(path, 'utf8'))
    const result = schema!.safeParse(data)
    expect(result.success, JSON.stringify(result.error?.issues, null, 2)).toBe(true)
  })
})

describe('invalid fixtures are rejected', () => {
  it.each(casesIn('fixtures-invalid'))('%s / %s', (name, _file, path) => {
    const schema = schemaRegistry[name]
    expect(schema).toBeDefined()
    const data = JSON.parse(readFileSync(path, 'utf8'))
    expect(schema!.safeParse(data).success).toBe(false)
  })
})

describe('every registered schema has at least one golden fixture', () => {
  it.each(Object.keys(schemaRegistry))('%s', (name) => {
    expect(readdirSync(`${root}fixtures/${name}`).length).toBeGreaterThan(0)
  })
})