// apps/backend/tests/bootstrap.ts
import { assert } from '@japa/assert'
import { apiClient } from '@japa/api-client'
import { pluginAdonisJS } from '@japa/plugin-adonisjs'
import type { Config } from '@japa/runner/types'

import app from '@adonisjs/core/services/app'
import testUtils from '@adonisjs/core/services/test_utils'

/**
 * Japa plugins
 */
export const plugins: Config['plugins'] = [assert(), apiClient(), pluginAdonisJS(app)]

/**
 * Reporters
 */
export const reporters: Config['reporters'] = {
  activated: ['spec'],
}

/**
 * Global setup/teardown (for ALL suites)
 *
 * Runs migrations against the test database (`.env.test` → adonis_test) before
 * the suites and rolls them back afterwards. DB-backed specs additionally wrap
 * each test in a global transaction via `testUtils.db().wrapInGlobalTransaction()`
 * in their own group hooks.
 */
export const runnerHooks: Required<Pick<Config, 'setup' | 'teardown'>> = {
  setup: [() => ensureTestDatabase(), () => testUtils.db().migrate()],
  teardown: [],
}

/**
 * Creates the test database on first run so a fresh checkout only needs the
 * postgres container up. Guarded to `*_test` names so a misconfigured
 * `.env.test` can never provision anything else.
 */
async function ensureTestDatabase() {
  const { default: env } = await import('#start/env')
  const database = env.get('DB_DATABASE')
  if (!database.endsWith('_test')) {
    throw new Error(
      `Refusing to run tests against "${database}": DB_DATABASE in .env.test must end with "_test"`
    )
  }

  const { Client } = await import('pg')
  const client = new Client({
    host: env.get('DB_HOST'),
    port: env.get('DB_PORT'),
    user: env.get('DB_USER'),
    password: env.get('DB_PASSWORD'),
    database: 'postgres',
  })
  await client.connect()
  try {
    const exists = await client.query('SELECT 1 FROM pg_database WHERE datname = $1', [database])
    if (exists.rowCount === 0) {
      await client.query(`CREATE DATABASE "${database}"`)
    }
  } finally {
    await client.end()
  }
}

/**
 * Per-suite configuration (start HTTP server for HTTP tests)
 */
export const configureSuite: Config['configureSuite'] = (suite) => {
  // adjust names to your suites if needed
  if (['functional', 'e2e', 'browser'].includes(suite.name)) {
    suite.setup(() => testUtils.httpServer().start())
  }
}