import requests, json

class IntaroApy:
  """Intaro Api wrapper"""

  apiVersion = '3'

  def __init__(self, crmUrl, apiKey):
    self.apiUrl = crmUrl + '/api/v' + IntaroApy.apiVersion + '/'
    self.apiKey = apiKey
    self.parameters = { 'apiKey': apiKey }

  def requestApi(self, url, method='GET', format='json'):
    
    #TODO: catch http exceptions
    if method == 'GET':
      result = requests.get(url, params=self.parameters)
    elif method == 'POST':
      result = requests.post(url, data=self.parameters)

    statusCode = result.status_code
    r = result.json()

    # reset params dict
    self.parameters = { 'apiKey': self.apiKey }

    if statusCode > 400 or r.has_key('success') and r['success'] == False :
      #TODO: raise ApiException
      pass

    if r.has_key('generatedAt') :
      self.generatedAt = r['generatedAt']
      del r['generatedAt']

    del r['success']

    return r

  def getErrorMessage(self, response) :
    if type(response) is not dict : return ''
    err = ''

    if response.has_key('message'):
      err = response['message']
    elif response.has_key('error') :
      err = response['error']['message']
    elif response.has_key('errorMsg') :
      err = response['errorMsg']

    if len(err) == 0 : return 'Application Error'

    return err
      
  def orderGet(self, id, by='externalId') :
    url = self.apiUrl + 'orders/' + str(id)

    if by != 'externalId' :
      self.parameters['by'] = by

    return self.requestApi(url)

  def orderCreate(self, order) :
    dataJson = json.dumps(order)
    self.parameters['order'] = dataJson

    url = self.apiUrl + 'orders/create'
    return self.requestApi(url, 'POST')

  def orderEdit(self, order) :
    dataJson = json.dumps(order)
    self.parameters['order'] = dataJson

    url = self.apiUrl + 'orders/' + str(order['externalId']) + '/edit'
    return self.requestApi(url, 'POST')

  def orderUpload(self, orders) :
    dataJson = json.dumps(orders)
    self.parameters['orders'] = dataJson

    url = self.apiUrl + 'orders/' + str(order['externalId']) + '/edit'
    result = self.requestApi(url, 'POST')

    if type(result) is dict and result.has_key('uploadedOrders') :
      return result['uploadedOrders']
    else :
      return result

  def orderFixExternalIds(self, orders) :
    dataJson = json.dumps(orders)
    self.parameters['orders'] = dataJson

    url = self.apiUrl + 'orders/fix-external-ids'
    return self.requestApi(url, 'POST')

  def orderHistory(self, startDate='', endDate='', limit=100, offset=0) :
    url = self.apiUrl + 'orders/history'
    self.parameters['startDate'] = startDate
    self.parameters['endDate']   = endDate
    self.parameters['limit']     = limit
    self.parameters['offset']    = offset

    return self.requestApi(url)

  def customerGet(self, id, by='externalId') :
    url = self.apiUrl + 'customers/' + str(id)

    if by != 'externalId' :
      self.parameters['by'] = by

    return self.requestApi(url)

  def customers(self, phone=None, email=None, fio=None, limit=200, offset=0) :
    url = self.apiUrl + 'customers'

    if email : 
      self.parameters['email'] = email
    if phone :
      self.parameters['phone'] = phone
    if fio :
      self.parameters['fio']   = fio

    self.parameters['limit']  = limit
    self.parameters['offset'] = offset

    return self.requestApi(url)

  def customerCreate(self, customer) :
    dataJson = json.dumps(customer)
    self.parameters['customer'] = dataJson

    url = self.apiUrl + 'customers/create'
    return self.requestApi(url, 'POST')
  
  def customerEdit(self, customer) :
    dataJson = json.dumps(customer)
    self.parameters['customer'] = dataJson

    url = self.apiUrl + 'customers/' + customer['externalId'] + '/edit'
    return self.requestApi(url, 'POST')

  def customerUpload(self, customers) :
    dataJson = json.dumps(customers)
    self.parameters['customers'] = dataJson
    
    url = self.apiUrl + 'customers/upload'
    result = self.requestApi(url, 'POST')

    if type(result) is dict and result.has_key('uploaded') :
      return result['uploaded']
    else :
      return result

  def deliveryTypesList(self) :
    url = self.apiUrl + 'reference/delivery-types'
    return self.requestApi(url)

  def deliveryTypeEdit(self, deliveryType) :
    dataJson = json.dumps(deliveryType)
    self.parameters['deliveryType'] = dataJson

    url = self.apiUrl + 'reference/delivery-types/' + deliveryType['code'] + '/edit'
    return self.requestApi(url, 'POST')

  def deliveryServicesList(self) :
    url = self.apiUrl + 'reference/delivery-services'
    return self.requestApi(url)

  def deliveryServiceEdit(self, deliveryService) :
    dataJson = json.dumps(deliveryService)
    self.parameters['deliveryService'] = dataJson

    url = self.apiUrl + 'reference/delivery-services/' + deliveryService['code'] + '/edit'
    return self.requestApi(url, 'POST')

  def paymentTypesList(self) :
    url = self.apiUrl + 'reference/payment-types'
    return self.requestApi(url)

  def paymentTypesEdit(self, paymentType) :
    dataJson = json.dumps(paymentType)
    self.parameters['paymentType'] = dataJson

    url = self.apiUrl + 'reference/payment-types/' + paymentType['code'] + '/edit'
    return self.requestApi(url, 'POST')

  def orderTypesList(self) :
    url = self.apiUrl + 'reference/order-types'
    return self.requestApi(url)

  def orderTypesEdit(self, orderType) :
    dataJson = json.dumps(orderType)
    self.parameters['orderType'] = dataJson

    url = self.apiUrl + 'reference/order-types/' + orderType['code'] + '/edit'
    return self.requestApi(url, 'POST')

  def orderMethodsList(self) :
    url = self.apiUrl + 'reference/order-methods'
    return self.requestApi(url)

  def orderMethodsEdit(self, orderMethod) :
    dataJson = json.dumps(orderMethod)
    self.parameters['orderMethod'] = dataJson

    url = self.apiUrl + 'reference/order-methods/' + orderMethod['code'] + '/edit'
    return self.requestApi(url, 'POST')

  def orderStatusesList(self) :
    url = self.apiUrl + 'reference/statuses'
    return self.requestApi(url)

  def orderStatusEdit(self, status) :
    dataJson = json.dumps(orderStatuse)
    self.parameters['status'] = dataJson

    url = self.apiUrl + 'reference/statuses/' + status['code'] + '/edit'
    return self.requestApi(url, 'POST')