from flask_swagger import swagger
from flask import jsonify, render_template, abort
from flask_pydantic import validate

from app import app, jwt
from app.api.routes import bp
from app.views.install.views import InstallView
from app.views.server.views import (
    ServerView, CredView, CredsView, ServerGroupView, ServerGroupsView, ServersView, ServerIPView
)
from app.views.server.backup_vews import BackupView, S3BackupView
from app.views.service.views import ServiceView, ServiceActionView, ServiceBackendView, ServiceConfigView, ServiceConfigVersionsView
from app.views.ha.views import HAView, HAVIPView, HAVIPsView
from app.views.user.views import UserView, UserGroupView, UserRoles
from app.views.udp.views import UDPListener, UDPListeners, UDPListenerActionView
from app.views.channel.views import ChannelView, ChannelsView
from app.views.tools.views import CheckerView
from app.views.admin.views import SettingsView
from app.modules.roxywi.class_models import LoginRequest
import app.modules.roxywi.auth as roxywi_auth
import app.modules.roxywi.common as roxywi_common


@bp.before_request
def before_request():
    """ Protect all the API endpoints. """
    user_subscription = roxywi_common.return_user_subscription()
    if user_subscription['user_status'] == 0 or user_subscription['user_plan'] == 'user':
        abort(403, 'Your subscription is not active or you are on a Home plan.')
    pass


@jwt.expired_token_loader
def my_expired_token_callback(jwt_header, jwt_payload):
    return jsonify(error="Token is expired"), 401


@jwt.unauthorized_loader
def custom_unauthorized_response(_err):
    return jsonify(error="Authorize first"), 401


def register_api(view, endpoint, url, pk='listener_id', pk_type='int'):
    view_func = view.as_view(endpoint)
    bp.add_url_rule(url, view_func=view_func, methods=['POST'])
    bp.add_url_rule(f'{url}/<{pk_type}:{pk}>', view_func=view_func, methods=['GET', 'PUT', 'DELETE'])


def register_api_id_ip(view, endpoint, url: str = '', methods: list = ['GET', 'POST']):
    for point in ('_id', '_ip'):
        view_func = view.as_view(f'{endpoint}_{point}')
        pk = 'int:' if point == '_id' else ''
        bp.add_url_rule(f'/service/<any(haproxy, nginx, apache, keepalived):service>/<{pk}server_id>{url}', view_func=view_func, methods=methods)


register_api(HAView, 'ha_cluster', '/ha/<service>', 'cluster_id')
register_api(UDPListener, 'udp_listener', '/<service>/listener', 'listener_id')
bp.add_url_rule('/<service>/listener/<int:listener_id>/<any(start, stop, reload, restart):action>', view_func=UDPListenerActionView.as_view('listener_action'), methods=['GET'])
bp.add_url_rule('/<service>/listeners', view_func=UDPListeners.as_view('listeners'), methods=['GET'])
bp.add_url_rule('/ha/<service>/<int:cluster_id>/vip/<int:router_id>', view_func=HAVIPView.as_view('ha_vip_g'), methods=['GET'])
bp.add_url_rule('/ha/<service>/<int:cluster_id>/vip', view_func=HAVIPView.as_view('ha_vip'), methods=['POST', 'PUT'])
bp.add_url_rule('/ha/<service>/<int:router_id>/vip', view_func=HAVIPView.as_view('ha_vip_d'), methods=['DELETE'])
bp.add_url_rule('/ha/<service>/<int:cluster_id>/vips', view_func=HAVIPsView.as_view('ha_vips'), methods=['GET'])

register_api_id_ip(ServiceView, 'service', '/status', ['GET'])
register_api_id_ip(ServiceBackendView, 'service_backend', '/backend', ['GET'])
register_api_id_ip(ServiceConfigView, 'config_view')
register_api_id_ip(ServiceConfigVersionsView, 'config_version', '/versions', methods=['GET'])
register_api_id_ip(CheckerView, 'checker', '/tools')
register_api_id_ip(InstallView, 'install', '/install', methods=['POST'])
register_api_id_ip(ServiceActionView, 'service_action', '/<any(start, stop, reload, restart):action>', methods=['GET'])

register_api(ServerView, 'server', '/server', 'server_id')
register_api(BackupView, 'backup_fs', '/server/backup/fs', 'backup_id')
register_api(S3BackupView, 'backup_s3', '/server/backup/s3', 'backup_id')
bp.add_url_rule('/server/<server_id>/ip', view_func=ServerIPView.as_view('server_ip_ip'), methods=['GET'])
bp.add_url_rule('/server/<int:server_id>/ip', view_func=ServerIPView.as_view('server_ip'), methods=['GET'])
register_api(CredView, 'cred', '/server/cred', 'creds_id')
bp.add_url_rule('/server/creds', view_func=CredsView.as_view('creds'), methods=['GET'])
bp.add_url_rule('/servers', view_func=ServersView.as_view('servers'), methods=['GET'])

register_api(ServerGroupView, 'group', '/group', 'group_id')
bp.add_url_rule('/groups', view_func=ServerGroupsView.as_view('groups'), methods=['GET'])


def register_api_with_group(view, endpoint, url_beg, url_end, pk='user_id', pk_type='int', pk_end='group_id', pk_type_end='int'):
    view_func = view.as_view(endpoint)
    bp.add_url_rule(f'/{url_beg}/<{pk_type}:{pk}>/{url_end}', view_func=view_func, methods=['GET'])
    bp.add_url_rule(f'/{url_beg}/<{pk_type}:{pk}>/{url_end}/<{pk_type_end}:{pk_end}>', view_func=view_func, methods=['PUT', 'DELETE', 'POST', 'PATCH'])


register_api(UserView, 'user', '/user', 'user_id')
register_api_with_group(UserGroupView, 'user_group', 'user', 'groups')
bp.add_url_rule('/user/roles', view_func=UserRoles.as_view('roles'))

def register_api_channel(view, endpoint, url_beg, pk='receiver', pk_type='int', pk_end='channel_id', pk_type_end='int'):
    view_func = view.as_view(endpoint, True)
    bp.add_url_rule(f'/{url_beg}/<any(telegram, slack, pd, mm):{pk}>', view_func=view_func, methods=['POST'])
    bp.add_url_rule(f'/{url_beg}/<any(telegram, slack, pd, mm):{pk}>/<{pk_type_end}:{pk_end}>', view_func=view_func, methods=['PUT', 'DELETE', 'GET', 'PATCH'])


register_api_channel(ChannelView, 'channel', '/channel')
bp.add_url_rule('/channels/<any(telegram, slack, pd, mm):receiver>', view_func=ChannelsView.as_view('channels'), methods=['GET'])


bp.add_url_rule(
    '/settings',
    view_func=SettingsView.as_view('settings'),
    methods=['GET'],
    defaults={'section': None}
)

bp.add_url_rule(
    '/settings/<any(smon, main, haproxy, nginx, apache, keepalived, rabbitmq, ldap, monitoring, mail, logs):section>',
    view_func=SettingsView.as_view('settings_section'),
    methods=['GET', 'POST']
)


@bp.route("/spec")
def spec():
    swag = swagger(app)
    swag['info']['version'] = "1.0"
    swag['info']['title'] = "Roxy-WI API"
    return jsonify(swag)


@bp.route("/swagger")
def swagger_ui():
    return render_template('swagger.html')


@bp.post('/login')
@validate(body=LoginRequest)
def do_login(body: LoginRequest):
    """
    Do log in
    ---
    tags:
      - Authentication
    description: This route is used to log into the system
    parameters:
      - name: body
        in: body
        schema:
          type: object
          properties:
            login:
              type: string
              required: true
              description: The user's login name
            password:
              type: string
              required: true
              description: The user's password
    responses:
      200:
        description: Login successfully, return a JWT token
        schema:
          type: object
          properties:
            access_token:
              type: string
              description: JWT token for user authentication
      401:
        description: Authentication Error
    """
    try:
        login = body.login
        password = body.password
    except Exception as e:
        return roxywi_common.handler_exceptions_for_json_data(e, 'There is no login or password')
    try:
        user_params = roxywi_auth.check_user_password(login, password)
    except Exception as e:
        return roxywi_common.handle_json_exceptions(e, ''), 401
    access_token = roxywi_auth.create_jwt_token(user_params)
    return jsonify(access_token=access_token)