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const logger = require('./logger.js')

const requestLogger = (request, response, next) => {
  logger.info('Method:', request.method)
  logger.info('Path:  ', request.path)
  logger.info('Body:  ', request.body)
  logger.info('---')
  next()
}

const unknownEndpoint = (request, response) => {
  response.status(404).send({ error: 'unkown endpoint' })
}

const errorHandler = (error, request, response, next) => {
  logger.error(error.message)

  if (error.name === 'CastError') {
    return response.status(400).send( {error: 'malformatted id'} )

  } else if (error.name === 'ValidationError') {
    return response.status(400).json({error: 'error.message'})
  }

  next(error)
}

module.exports = {
  requestLogger,
  unknownEndpoint,
  errorHandler
}