import logging
import json

from app import app

from flask import request

from endpoints.api import (ApiResource, nickname, resource, validate_json_request, request_error,
                           log_action, internal_only, NotFound, require_user_admin, format_date,
                           InvalidToken, require_scope, format_date, hide_if, show_if, parse_args,
                           query_param, abort)

from endpoints.api.logs import get_logs

from data import model
from auth.permissions import SuperUserPermission
from auth.auth_context import get_authenticated_user

import features

logger = logging.getLogger(__name__)

@resource('/v1/superuser/logs')
@internal_only
@show_if(features.SUPER_USERS)
class SuperUserLogs(ApiResource):
  """ Resource for fetching all logs in the system. """
  @nickname('listAllLogs')
  @parse_args
  @query_param('starttime', 'Earliest time from which to get logs. (%m/%d/%Y %Z)', type=str)
  @query_param('endtime', 'Latest time to which to get logs. (%m/%d/%Y %Z)', type=str)
  @query_param('performer', 'Username for which to filter logs.', type=str)
  def get(self, args):
    """ List the logs for the current system. """
    if SuperUserPermission().can():
      performer_name = args['performer']
      start_time = args['starttime']
      end_time = args['endtime']
        
      return get_logs(start_time, end_time)

    abort(403)


@resource('/v1/superuser/seats')
@internal_only
@show_if(features.SUPER_USERS)
@hide_if(features.BILLING)
class SeatUsage(ApiResource):
  """ Resource for managing the seats granted in the license for the system. """
  @nickname('getSeatCount')
  def get(self):
    """ Returns the current number of seats being used in the system. """
    if SuperUserPermission().can():
        return {
          'count': model.get_active_user_count(),
          'allowed': app.config.get('LICENSE_USER_LIMIT', 0)
        }

    abort(403)


def user_view(user):
  return  {
    'username': user.username,
    'email': user.email,
    'verified': user.verified,
    'super_user': user.username in app.config['SUPER_USERS']
  }

@resource('/v1/superuser/users/')
@internal_only
@show_if(features.SUPER_USERS)
class SuperUserList(ApiResource):
  """ Resource for listing users in the system. """
  @nickname('listAllUsers')
  def get(self):
    """ Returns a list of all users in the system. """
    if SuperUserPermission().can():
      users = model.get_active_users()
      return {
        'users': [user_view(user) for user in users]
      }

    abort(403)


@resource('/v1/superuser/users/<username>')
@internal_only
@show_if(features.SUPER_USERS)
class SuperUserManagement(ApiResource):
  """ Resource for managing users in the system. """
  schemas = {
    'UpdateUser': {
      'id': 'UpdateUser',
      'type': 'object',
      'description': 'Description of updates for a user',
      'properties': {
        'password': {
          'type': 'string',
          'description': 'The new password for the user',
        },
        'email': {
          'type': 'string',
          'description': 'The new e-mail address for the user',
        }
      },
    },
  }

  @nickname('getInstallUser')
  def get(self, username):
    """ Returns information about the specified user. """
    if SuperUserPermission().can():
        user = model.get_user(username)
        if not user or user.organization or user.robot:
          abort(404)
            
        return user_view(user)

    abort(403)

  @nickname('deleteInstallUser')
  def delete(self, username):
    """ Deletes the specified user. """
    if SuperUserPermission().can():
      user = model.get_user(username)
      if not user or user.organization or user.robot:
        abort(404)

      if username in app.config['SUPER_USERS']:
          abort(403)

      model.delete_user(user)
      return 'Deleted', 204

    abort(403)

  @nickname('changeInstallUser')
  @validate_json_request('UpdateUser')
  def put(self, username):
    """ Updates information about the specified user. """
    if SuperUserPermission().can():
        user = model.get_user(username)
        if not user or user.organization or user.robot:
          abort(404)

        if username in app.config['SUPER_USERS']:
          abort(403)

        user_data = request.get_json()
        if 'password' in user_data:
          model.change_password(user, user_data['password'])

        if 'email' in user_data:
          model.update_email(user, user_data['email'])
      
        return user_view(user)

    abort(403)