# Copyright 2018 New Vector Ltd
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
#     http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
title: Protocol
type: object
properties:
  user_fields:
    description: |-
      Fields which may be used to identify a third party user. These should be
      ordered to suggest the way that entities may be grouped, where higher
      groupings are ordered first. For example, the name of a network should be
      searched before the nickname of a user.
    type: array
    items:
      type: string
      description: Field used to identify a third party user.
    example: ["network", "nickname"]
  location_fields:
    description: |-
      Fields which may be used to identify a third party location. These should be
      ordered to suggest the way that entities may be grouped, where higher
      groupings are ordered first. For example, the name of a network should be
      searched before the name of a channel.
    type: array
    items:
      type: string
      description: Field used to identify a third party location.
    example: ["network", "channel"]
  icon:
    description: A content URI representing an icon for the third party protocol.
    type: string
    example: "mxc://example.org/aBcDeFgH"
  field_types:
    title: Field Types
    description: |-
      The type definitions for the fields defined in the `user_fields` and
      `location_fields`. Each entry in those arrays MUST have an entry here. The
      `string` key for this object is field name itself.

      May be an empty object if no fields are defined.
    type: object
    additionalProperties:
      title: Field Type
      description: Definition of valid values for a field.
      type: object
      properties:
        regexp:
          description: |-
            A regular expression for validation of a field's value. This may be relatively
            coarse to verify the value as the application service providing this protocol
            may apply additional validation or filtering.
          type: string
        placeholder:
          description: An placeholder serving as a valid example of the field value.
          type: string
      required: ['regexp', 'placeholder']
    required: ['fieldname']
    example: {
      "network": {
        "regexp": "([a-z0-9]+\\.)*[a-z0-9]+",
        "placeholder": "irc.example.org"
      },
      "nickname": {
        "regexp": "[^\\s#]+",
        "placeholder": "username"
      },
      "channel": {
        "regexp": "#[^\\s]+",
        "placeholder": "#foobar"
      }
    }
  instances:
    description: |-
      A list of objects representing independent instances of configuration.
      For example, multiple networks on IRC if multiple are provided by the
      same application service.
    type: array
    items:
      type: object
      title: Protocol Instance
      properties:
        desc:
          type: string
          description: A human-readable description for the protocol, such as the name.
          example: "Freenode"
        icon:
          type: string
          description: |-
            An optional content URI representing the protocol. Overrides the one provided
            at the higher level Protocol object.
          example: "mxc://example.org/JkLmNoPq"
        fields:
          type: object
          description: Preset values for `fields` the client may use to search by.
          example: {
            "network": "freenode"
          }
        network_id:
          type: string
          description: A unique identifier across all instances.
          example: "freenode"
      required: ['desc', 'fields', 'network_id']
required: ['user_fields', 'location_fields', 'icon', 'field_types', 'instances']
