/*
Copyright 2020 The Matrix.org Foundation C.I.C.

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.
*/

import { UnstableValue } from "../NamespacedValue";

export enum EventType {
    // Room state events
    RoomCanonicalAlias = "m.room.canonical_alias",
    RoomCreate = "m.room.create",
    RoomJoinRules = "m.room.join_rules",
    RoomMember = "m.room.member",
    RoomThirdPartyInvite = "m.room.third_party_invite",
    RoomPowerLevels = "m.room.power_levels",
    RoomName = "m.room.name",
    RoomTopic = "m.room.topic",
    RoomAvatar = "m.room.avatar",
    RoomPinnedEvents = "m.room.pinned_events",
    RoomEncryption = "m.room.encryption",
    RoomHistoryVisibility = "m.room.history_visibility",
    RoomGuestAccess = "m.room.guest_access",
    RoomServerAcl = "m.room.server_acl",
    RoomTombstone = "m.room.tombstone",
    /**
     * @deprecated Should not be used.
     */
    RoomAliases = "m.room.aliases", // deprecated https://matrix.org/docs/spec/client_server/r0.6.1#historical-events

    SpaceChild = "m.space.child",
    SpaceParent = "m.space.parent",

    // Room timeline events
    RoomRedaction = "m.room.redaction",
    RoomMessage = "m.room.message",
    RoomMessageEncrypted = "m.room.encrypted",
    Sticker = "m.sticker",
    CallInvite = "m.call.invite",
    CallCandidates = "m.call.candidates",
    CallAnswer = "m.call.answer",
    CallHangup = "m.call.hangup",
    CallReject = "m.call.reject",
    CallSelectAnswer = "m.call.select_answer",
    CallNegotiate = "m.call.negotiate",
    CallSDPStreamMetadataChanged = "m.call.sdp_stream_metadata_changed",
    CallSDPStreamMetadataChangedPrefix = "org.matrix.call.sdp_stream_metadata_changed",
    CallReplaces = "m.call.replaces",
    CallAssertedIdentity = "m.call.asserted_identity",
    CallAssertedIdentityPrefix = "org.matrix.call.asserted_identity",
    KeyVerificationRequest = "m.key.verification.request",
    KeyVerificationStart = "m.key.verification.start",
    KeyVerificationCancel = "m.key.verification.cancel",
    KeyVerificationMac = "m.key.verification.mac",
    KeyVerificationDone = "m.key.verification.done",
    // use of this is discouraged https://matrix.org/docs/spec/client_server/r0.6.1#m-room-message-feedback
    RoomMessageFeedback = "m.room.message.feedback",
    Reaction = "m.reaction",

    // Room ephemeral events
    Typing = "m.typing",
    Receipt = "m.receipt",
    Presence = "m.presence",

    // Room account_data events
    FullyRead = "m.fully_read",
    Tag = "m.tag",
    SpaceOrder = "org.matrix.msc3230.space_order", // MSC3230

    // User account_data events
    PushRules = "m.push_rules",
    Direct = "m.direct",
    IgnoredUserList = "m.ignored_user_list",

    // to_device events
    RoomKey = "m.room_key",
    RoomKeyRequest = "m.room_key_request",
    ForwardedRoomKey = "m.forwarded_room_key",
    Dummy = "m.dummy",
}

export enum RelationType {
    Annotation = "m.annotation",
    Replace = "m.replace",
    /**
     * Note, "io.element.thread" is hardcoded
     * Should be replaced with "m.thread" once MSC3440 lands
     * Can not use `UnstableValue` as TypeScript does not
     * allow computed values in enums
     * https://github.com/microsoft/TypeScript/issues/27976
     */
    Thread = "io.element.thread",
}

export enum MsgType {
    Text = "m.text",
    Emote = "m.emote",
    Notice = "m.notice",
    Image = "m.image",
    File = "m.file",
    Audio = "m.audio",
    Location = "m.location",
    Video = "m.video",
}

export const RoomCreateTypeField = "type";

export enum RoomType {
    Space = "m.space",
}

/**
 * Identifier for an [MSC3088](https://github.com/matrix-org/matrix-doc/pull/3088)
 * room purpose. Note that this reference is UNSTABLE and subject to breaking changes,
 * including its eventual removal.
 */
export const UNSTABLE_MSC3088_PURPOSE = new UnstableValue("m.room.purpose", "org.matrix.msc3088.purpose");

/**
 * Enabled flag for an [MSC3088](https://github.com/matrix-org/matrix-doc/pull/3088)
 * room purpose. Note that this reference is UNSTABLE and subject to breaking changes,
 * including its eventual removal.
 */
export const UNSTABLE_MSC3088_ENABLED = new UnstableValue("m.enabled", "org.matrix.msc3088.enabled");

/**
 * Subtype for an [MSC3089](https://github.com/matrix-org/matrix-doc/pull/3089) space-room.
 * Note that this reference is UNSTABLE and subject to breaking changes, including its
 * eventual removal.
 */
export const UNSTABLE_MSC3089_TREE_SUBTYPE = new UnstableValue("m.data_tree", "org.matrix.msc3089.data_tree");

/**
 * Leaf type for an event in a [MSC3089](https://github.com/matrix-org/matrix-doc/pull/3089) space-room.
 * Note that this reference is UNSTABLE and subject to breaking changes, including its
 * eventual removal.
 */
export const UNSTABLE_MSC3089_LEAF = new UnstableValue("m.leaf", "org.matrix.msc3089.leaf");

/**
 * Branch (Leaf Reference) type for the index approach in a
 * [MSC3089](https://github.com/matrix-org/matrix-doc/pull/3089) space-room. Note that this reference is
 * UNSTABLE and subject to breaking changes, including its eventual removal.
 */
export const UNSTABLE_MSC3089_BRANCH = new UnstableValue("m.branch", "org.matrix.msc3089.branch");

/**
 * Functional members type for declaring a purpose of room members (e.g. helpful bots).
 * Note that this reference is UNSTABLE and subject to breaking changes, including its
 * eventual removal.
 *
 * Schema (TypeScript):
 * {
 *   service_members?: string[]
 * }
 *
 * Example:
 * {
 *   "service_members": [
 *     "@helperbot:localhost",
 *     "@reminderbot:alice.tdl"
 *   ]
 * }
 */
export const UNSTABLE_ELEMENT_FUNCTIONAL_USERS = new UnstableValue(
    "io.element.functional_members",
    "io.element.functional_members");

export interface IEncryptedFile {
    url: string;
    mimetype?: string;
    key: {
        alg: string;
        key_ops: string[]; // eslint-disable-line camelcase
        kty: string;
        k: string;
        ext: boolean;
    };
    iv: string;
    hashes: {[alg: string]: string};
    v: string;
}