import { test } from 'node:test'
import assert from 'node:assert/strict'
import { mkdtempSync, writeFileSync, readFileSync } from 'node:fs'
import { tmpdir } from 'node:os'
import { join, resolve } from 'node:path'
import { spawnSync } from 'node:child_process'
import { loadConfigFromFile } from '@prisma/config'

test('patched merger loads Prisma configuration and applies migrations idempotently', async () => {
  const dir = mkdtempSync(join(tmpdir(), 'syncova-prisma-compat-'))
  const schema = resolve('prisma/schema.prisma')
  const configFile = join(dir, 'prisma.config.cjs')
  writeFileSync(configFile, 'module.exports = ' + JSON.stringify({
    schema, migrations: { path: resolve('prisma/migrations') },
  }))
  const loaded = await loadConfigFromFile({ configRoot: dir, configFile })
  assert.equal(loaded.error, undefined)
  assert.equal(loaded.config?.schema, schema)
  const env = { ...process.env, DATABASE_URL: 'file:' + join(dir, 'migration.db').split('\\').join('/') }
  for (let run = 0; run < 2; run++) {
    const result = spawnSync(process.execPath, [
      'node_modules/prisma/build/index.js', 'migrate', 'deploy', '--schema', schema,
    ], { env, encoding: 'utf8', timeout: 60000 })
    assert.equal(result.status, 0, result.stderr + result.stdout)
  }
  const backup = join(dir, 'backup.db')
  const restored = join(dir, 'restored.db')
  for (const args of [['backup', backup], ['restore', backup, restored], ['verify', restored]]) {
    const result = spawnSync(process.execPath, ['scripts/database-backup.js', ...args], { env, encoding: 'utf8', timeout: 60000 })
    assert.equal(result.status, 0, result.stderr + result.stdout)
  }
  assert.deepEqual(readFileSync(backup), readFileSync(restored))
  const overwrite = spawnSync(process.execPath, ['scripts/database-backup.js', 'restore', backup, restored], { env, encoding: 'utf8' })
  assert.equal(overwrite.status, 1)
  assert.match(overwrite.stderr, /refusing to overwrite/)
})