/**
 * Tests for APOPHIS_DEBUG mode.
 */

import { test } from 'node:test'
import assert from 'node:assert'
import Fastify from 'fastify'
import apophisPlugin from '../index.js'

test('APOPHIS_DEBUG=1 logs requests and responses', async () => {
  const fastify = Fastify() as any
  const originalEnv = process.env.APOPHIS_DEBUG
  const logs: string[] = []

  try {
    process.env.APOPHIS_DEBUG = '1'

    await fastify.register(await import('@fastify/swagger'), {})
    await fastify.register(apophisPlugin, { validateRuntime: false })

    fastify.get('/test', {
      schema: {
        'x-category': 'observer',
        'x-ensures': ['status:200'],
        response: { 200: { type: 'object', properties: { ok: { type: 'boolean' } } } }
      }
    }, async () => ({ ok: true }))

    await fastify.ready()

    // Monkey-patch log.debug to capture logs
    const { log } = await import('../infrastructure/logger.js')
    const originalDebug = log.debug.bind(log)
    log.debug = (msg: string, _obj?: Record<string, unknown>) => {
      logs.push(msg)
      originalDebug(msg, _obj)
    }

    const result = await fastify.apophis.contract({ runs: 10 })
    assert.ok(result.tests.length > 0, 'should have tests')

    // Should have logged at least one request and one response
    const requestLogs = logs.filter(l => l.startsWith('→'))
    const responseLogs = logs.filter(l => l.startsWith('←'))

    assert.ok(requestLogs.length > 0, 'should log requests')
    assert.ok(responseLogs.length > 0, 'should log responses')
  } finally {
    process.env.APOPHIS_DEBUG = originalEnv
    await fastify.close()
  }
})

test('APOPHIS_DEBUG=0 does not log requests', async () => {
  const fastify = Fastify() as any
  const originalEnv = process.env.APOPHIS_DEBUG
  const logs: string[] = []

  try {
    process.env.APOPHIS_DEBUG = '0'

    await fastify.register(await import('@fastify/swagger'), {})
    await fastify.register(apophisPlugin, { validateRuntime: false })

    fastify.get('/test', {
      schema: {
        'x-category': 'observer',
        'x-ensures': ['status:200'],
        response: { 200: { type: 'object', properties: { ok: { type: 'boolean' } } } }
      }
    }, async () => ({ ok: true }))

    await fastify.ready()

    // Monkey-patch log.debug to capture logs
    const { log } = await import('../infrastructure/logger.js')
    const originalDebug = log.debug.bind(log)
    log.debug = (msg: string, _obj?: Record<string, unknown>) => {
      logs.push(msg)
      originalDebug(msg, _obj)
    }

    const result = await fastify.apophis.contract({ runs: 10 })
    assert.ok(result.tests.length > 0, 'should have tests')

    // Should not have any request/response logs
    const debugLogs = logs.filter(l => l.startsWith('→') || l.startsWith('←'))
    assert.strictEqual(debugLogs.length, 0, 'should not log requests when APOPHIS_DEBUG=0')
  } finally {
    process.env.APOPHIS_DEBUG = originalEnv
    await fastify.close()
  }
})