/* This Source Code Form is subject to the terms of the Mozilla Public
 * License, v. 2.0. If a copy of the MPL was not distributed with this
 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */

#include "nsISupports.idl"
#include "prplIConversation.idl"
#include "imIUserStatusInfo.idl"

interface imITag;
interface imIBuddy;
interface prplIAccountBuddy;
interface imIAccount;
interface prplIAccount;
interface prplIProtocol;
interface nsIScriptError;
interface nsITransportSecurityInfo;

/*
 * Used to join chat rooms.
 */

[scriptable, uuid(7e91accd-f04c-4787-9954-c7db4fb235fb)]
interface prplIChatRoomFieldValues: nsISupports {
  AUTF8String getValue(in AUTF8String aIdentifier);
  void setValue(in AUTF8String aIdentifier, in AUTF8String aValue);
};

[scriptable, uuid(19dff981-b125-4a70-bc1a-efc783d07137)]
interface prplIChatRoomField: nsISupports {
  readonly attribute AUTF8String label;
  readonly attribute AUTF8String identifier;
  readonly attribute boolean required;

  const short TYPE_TEXT = 0;
  const short TYPE_PASSWORD = 1;
  const short TYPE_INT = 2;

  readonly attribute short type;
  readonly attribute long min;
  readonly attribute long max;
};

/*
 * Information about a chat room and the fields required to join it.
 */
[scriptable, uuid(017d5951-fdd0-4f26-b697-fcc138cd2861)]
interface prplIRoomInfo: nsISupports {
  readonly attribute AUTF8String name;
  readonly attribute AUTF8String topic;

  const long NO_PARTICIPANT_COUNT = -1;

  readonly attribute long participantCount;
  readonly attribute prplIChatRoomFieldValues chatRoomFieldValues;
};

/*
 * Callback passed to an account's requestRoomInfo function.
 */
[scriptable, function, uuid(43102a36-883a-421d-a6ac-126aafee5a28)]
interface prplIRoomInfoCallback: nsISupports {
  /* aRooms is an array of chatroom names. This will be called
   * multiple times as batches of chat rooms are received. The number of rooms
   * in each batch is left for the prplIAccount implementation to decide.
   * aCompleted will be true when aRooms is the last batch.
   */
  void onRoomInfoAvailable(in Array<AString> aRooms, in boolean aCompleted);
};

/**
 * Encryption session of the prplIAccount. Usually every logged in device that
 * can encrypt will have its own session.
 */
[scriptable, uuid(0254d011-44b3-40a1-8589-d2fd4a18a421)]
interface prplISession: nsISupports {
   /** ID of this session as displayed to the user. */
   readonly attribute AUTF8String id;
   /** Whether this session is trusted. */
   readonly attribute boolean trusted;
   /** Indicates that this is the session we're currently using */
   readonly attribute boolean currentSession;
   /**
    * Verify the identity of this session.
    *
    * @returns {Promise<imISessionVerification>}
    */
   Promise verify();
};

/*
 * This interface should be implemented by the protocol plugin.
 */
[scriptable, uuid(3ce02a3c-f38b-4a1e-9050-a19bea1cb6c1)]
interface prplIAccount: nsISupports {
  readonly attribute imIAccount imAccount;

  // observe should only be called by the imIAccount
  // implementation to report user status changes that affect this account.
  void observe(in nsISupports aObj, in string aEvent,
               [optional] in wstring aData);

  // This should only be called by the imIAccountsService
  // implementation, never directly.  It will call
  // imIContactsService.accountBuddyRemoved on each buddy of the
  // account and close all prplIConversation instances of the account.
  void remove();

  /* Uninitialize the prplIAccount instance. This is typically done
     automatically at shutdown (by the core service) or as part of
     the 'remove' method. */
  void unInit();

  void connect();
  void disconnect();

  prplIConversation createConversation(in AUTF8String aName);

  // Used when the user wants to add a buddy to the buddy list
  void addBuddy(in imITag aTag, in AUTF8String aName);

  // Used while loading the buddy list at startup.
  prplIAccountBuddy loadBuddy(in imIBuddy aBuddy, in imITag aTag);

  /* Request more info on a buddy (typically a chat buddy).
   * The result (if any) will be provided by user-info-received
   * notifications dispatched through the observer service:
   *  - aSubject will be an nsISimpleEnumerator of prplITooltipInfo.
   *  - aData will be aBuddyName.
   * If multiple user-info-received are sent, subsequent notifications
   * will update any previous data.
   */
  void requestBuddyInfo(in AUTF8String aBuddyName);

  readonly attribute boolean canJoinChat;
  Array<prplIChatRoomField> getChatRoomFields();
  prplIChatRoomFieldValues getChatRoomDefaultFieldValues([optional] in AUTF8String aDefaultChatName);

  /* Request information on available chat rooms, whose names are returned
   * via the callback.
   */
  void requestRoomInfo(in prplIRoomInfoCallback aCallback);
  prplIRoomInfo getRoomInfo(in AUTF8String aRoomName);
  readonly attribute boolean isRoomInfoStale;

  /*
   * Create a new chat conversation if it doesn't already exist.
   */
  void joinChat(in prplIChatRoomFieldValues aComponents);

  // A name that can be used to check for duplicates and is the basis
  // for the directory name for log storage.
  readonly attribute AUTF8String normalizedName;
  // Request that the account normalizes a name. Use this only when an object
  // providing a normalizedName doesn't exist yet or isn't accessible.
  AUTF8String normalize(in AUTF8String aName);

  // protocol specific options: those functions set the protocol
  // specific options for the prplIAccount
  void setBool(in string aName, in boolean aVal);
  void setInt(in string aName, in long aVal);
  void setString(in string aName, in AUTF8String aVal);

  /* When a connection error occurred, this value indicates the type of error */
  readonly attribute short connectionErrorReason;

  /**
   * When a certificate error occurs, the host/port that caused a
   * SSL/certificate error when connecting to it. This is only valid when
   * connectionErrorReason is one of ERROR_CERT_*
   */
  readonly attribute AUTF8String connectionTarget;
  /**
   * When a certificate error occurs, the nsITransportSecurityInfo error of
   * the socket. This should only be set when connectionTarget is set.
   */
  readonly attribute nsITransportSecurityInfo securityInfo;

  /* Possible connection error reasons:
     ERROR_NETWORK_ERROR and ERROR_ENCRYPTION_ERROR are not fatal and
     should enable the automatic reconnection feature. */
  const short NO_ERROR = -1;
  const short ERROR_NETWORK_ERROR = 0;
  const short ERROR_INVALID_USERNAME = 1;
  const short ERROR_AUTHENTICATION_FAILED = 2;
  const short ERROR_AUTHENTICATION_IMPOSSIBLE = 3;
  const short ERROR_NO_SSL_SUPPORT = 4;
  const short ERROR_ENCRYPTION_ERROR = 5;
  const short ERROR_NAME_IN_USE = 6;
  const short ERROR_INVALID_SETTINGS = 7;
  const short ERROR_CERT_NOT_PROVIDED = 8;
  const short ERROR_CERT_UNTRUSTED = 9;
  const short ERROR_CERT_EXPIRED = 10;
  const short ERROR_CERT_NOT_ACTIVATED = 11;
  const short ERROR_CERT_HOSTNAME_MISMATCH = 12;
  const short ERROR_CERT_FINGERPRINT_MISMATCH = 13;
  const short ERROR_CERT_SELF_SIGNED = 14;
  const short ERROR_CERT_OTHER_ERROR = 15;
  const short ERROR_OTHER_ERROR = 16;

  /**
   * Get a list of active encryption sessions for the account.
   * The protocol sends a "account-sessions-changed" notification when
   * the trust state of a session changes, or entries are added or removed.
   */
  Array<prplISession> getSessions();

  /**
   * Information as to the state of encryption capabilities of this account. For
   * example Matrix surfaces the secret storage, key backup and cross-signing
   * status info here.
   * The protocol sends a "account-encryption-status-changed" notification when
   * this chanes.
   */
  readonly attribute Array<AUTF8String> encryptionStatus;
};


[scriptable, uuid(488959b4-992e-4626-ae96-beaf6adc4a77)]
interface imIDebugMessage: nsISupports {
  const short LEVEL_DEBUG   = 1;
  const short LEVEL_LOG     = 2;
  const short LEVEL_WARNING = 3;
  const short LEVEL_ERROR   = 4;
  readonly attribute short logLevel; // One of the above constants.
  readonly attribute nsIScriptError message;
};

/* This interface should be implemented by the im core. It inherits
from prplIAccount and in most cases will forward the calls for the
inherited members to a prplIAccount account instance implemented by
the protocol plugin. */
[scriptable, uuid(20a85b44-e220-4f23-85bf-f8523d1a2b08)]
interface imIAccount: prplIAccount {
  /* Check if autologin is enabled for this account, connect it now. */
  void checkAutoLogin();

  /* Cancel the timer that automatically reconnects the account if it was
     disconnected because of a non fatal error. */
  void cancelReconnection();

  readonly attribute AUTF8String name;
  readonly attribute AUTF8String id;
  readonly attribute unsigned long numericId;
  readonly attribute prplIProtocol protocol;
  readonly attribute prplIAccount prplAccount;

  // Save account specific preferences to disk.
  void save();

  attribute boolean autoLogin;

  /* This is the value when the preference firstConnectionState is not set.
     It indicates that the account has already been successfully connected at
     least once with the current parameters. */
  const short FIRST_CONNECTION_OK = 0;
  /* Set when the account has never had a successful connection
     with the current parameters */
  const short FIRST_CONNECTION_UNKNOWN = 1;
  /* Set when the account is trying to connect for the first time
     with the current parameters (removed after a successsful connection) */
  const short FIRST_CONNECTION_PENDING = 2;
  /* Set at startup when the previous state was pending */
  const short FIRST_CONNECTION_CRASHED = 4;

  attribute short firstConnectionState;

  /* Passwords are stored in the toolkit Password Manager.
   * Warning: Don't attempt to access passwords during startup before
   * Services.login.initializationPromise has resolved.
   */
  attribute AUTF8String password;

  attribute AUTF8String alias;

  /* While an account is connecting, this attribute contains a message
     indicating the current step of the connection */
  readonly attribute AUTF8String connectionStateMsg;

  /* Number of the reconnection attempt
   *  0 means that no automatic reconnection currently pending
   *  n means the nth reconnection attempt is pending
   */
  readonly attribute unsigned short reconnectAttempt;

  /* Time stamp of the next reconnection attempt */
  readonly attribute long long timeOfNextReconnect;

  /* Time stamp of the last connection (value not reliable if not connected) */
  readonly attribute long long timeOfLastConnect;

  /* Additional possible connection error reasons:
   * (Use a big enough number that it can't conflict with error
   *  codes used in prplIAccount).
   */
  const short ERROR_UNKNOWN_PRPL = 42;
  const short ERROR_CRASHED = 43;
  const short ERROR_MISSING_PASSWORD = 44;

  /* A message describing the connection error */
  readonly attribute AUTF8String connectionErrorMessage;

  /* Info about the connection state and flags */
  const short STATE_DISCONNECTED = 0;
  const short STATE_CONNECTED = 1;
  const short STATE_CONNECTING = 2;
  const short STATE_DISCONNECTING = 3;

  readonly attribute short connectionState;

  /* The following 4 properties use the above connectionState value. */
  readonly attribute boolean disconnected;
  readonly attribute boolean connected;
  readonly attribute boolean connecting;
  readonly attribute boolean disconnecting;

  void logDebugMessage(in nsIScriptError aMessage, in short aLevel);

  /* Get an array of the 50 most recent debug messages. */
  Array<imIDebugMessage> getDebugMessages();

  /* The imIUserStatusInfo instance this account should observe for
     status changes. When this is null (the default value), the
     account will observe the global status. */
  attribute imIUserStatusInfo observedStatusInfo;
  // Same as above, but never null (it fallbacks to the global status info).
  attribute imIUserStatusInfo statusInfo;

  // imIAccount also implements an observe method but this
  // observe should only be called by the prplIAccount
  // implementations to report connection status changes.
};