/* -*- Mode: IDL; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* 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 "nsIMsgAccount.idl"
#include "nsIMsgIdentity.idl"
#include "nsIMsgIncomingServer.idl"
#include "nsIIncomingServerListener.idl"
#include "nsIMsgFolder.idl"

interface nsIMsgFolderCache;
interface nsIFolderListener;

[scriptable, uuid(d5ab0eea-49c5-42f2-b2e6-8ad306606d8b)]
interface nsIMsgAccountManager : nsISupports {

  nsIMsgAccount createAccount();
  /*
   * Return the account with the provided key, or null if none found.
   */
  nsIMsgAccount getAccount(in ACString key);

  /**
   * Removes the account from the list of accounts.
   *
   * @param aAccount      the account to remove
   * @param aRemoveFiles  remove data directory (local directory) of this account
   */
  void removeAccount(in nsIMsgAccount aAccount, [optional] in boolean aRemoveFiles);

  /*
   * creates a new identity and assigns it a new, unique "key"
   */
  nsIMsgIdentity createIdentity();

  /*
   * creates a new server and assigns it a new, unique "key"
   * the given type will be used to construct a ContractID
   *
   *  @param type "imap", "pop3", "nntp", "movemail", "none", "rss", "generic"
   * (suffix of contract ID @mozilla.org/messenger/server;1?type= )
   */
  nsIMsgIncomingServer createIncomingServer(in ACString username,
                                            in ACString hostname,
                                            in ACString type);

  /**
   * Removes the server from the list of servers
   * 
   * @param aServer        server to remove
   * @param aRemoveFiles   remove directory from profile
   *
   * @throws NS_ERROR_FAILURE if server not found 
   */
  void removeIncomingServer(in nsIMsgIncomingServer aServer, 
                            in boolean aRemoveFiles);
  /*
   * get the identity with the given key
   * if the identity does not exist, it will be created
   */
  nsIMsgIdentity getIdentity(in ACString key);

  /*
   * Gets the existing incoming server with the given key
   * if the server's type does not exist in the preference,
   * an error is returned/thrown
   */
  nsIMsgIncomingServer getIncomingServer(in ACString key);

  /* account list stuff */

  /**
   * Returns the account that was marked as the default one.
   * Only some server types can serve as default account.
   * If there is no such account, null is returned.
   * You can only set the defaultAccount to an
   * account already in the account manager.
   */
  attribute nsIMsgAccount defaultAccount;

  /**
   * Ordered list of all accounts, by the order they are in the prefs.
   * Accounts with hidden servers are not returned.
   * array of nsIMsgAccount
   */
  readonly attribute nsIArray accounts;

  /* list of all identities in all accounts
   * array of nsIMsgIdentity
   */
  readonly attribute nsIArray allIdentities;

  /* list of all servers in all accounts, except for hidden and IM servers
   * array of nsIMsgIncomingServer
   */
  readonly attribute nsIArray allServers;

  /* summary of summary files folder cache */
  readonly attribute nsIMsgFolderCache folderCache;

  /* are we shutting down */
  readonly attribute boolean shutdownInProgress;

  /**
   * for preventing unauthenticated users from seeing header information 
   */
  attribute boolean userNeedsToAuthenticate;
  /*
   * search for the server with the given username, hostname, and type
   * the type is the same as is specified in the preferences,
   * i.e. "imap", "pop3", "none", or "nntp"
   */
  nsIMsgIncomingServer
      FindServer(in ACString userName, in ACString hostname, in ACString type);

  /*
   * search for the server with the given uri
   * an analog to FindServer()
   * The boolean flag selects whether we compare input against the    
   * 'realhostname' and 'realuserName' pref settings.
   */
  nsIMsgIncomingServer
      findServerByURI(in nsIURI aURI, in boolean aRealFlag);

  /*
   * Same as FindServer() except it compares the input values against
   * 'realhostname' and 'realuserName' pref settings.
   */
  nsIMsgIncomingServer
      findRealServer(in ACString userName, in ACString hostname, in ACString type, in long port );

  /**
   * find the index of this server in the (ordered) list of accounts
   */
  long FindServerIndex(in nsIMsgIncomingServer server);

  /**
   * Finds an account for the given incoming server.
   *
   * @param server  An incoming server to find the account for.
   * @return        If found, the nsIMsgAccount representing the account found.
   *                Otherwise returns null.
   */
  nsIMsgAccount FindAccountForServer(in nsIMsgIncomingServer server);

  /* given a server, return all identities in accounts that have this server
   * returns an array of nsIMsgIdentity
   */
  nsIArray getIdentitiesForServer(in nsIMsgIncomingServer server);

  /**
   * given a server, return the first identity in accounts that have this server
   */
  nsIMsgIdentity getFirstIdentityForServer(in nsIMsgIncomingServer server);

  /* given an identity, return all servers in accounts that have
   * this identity
   * returns an array of nsIMsgIncomingServer
   */
  nsIArray getServersForIdentity(in nsIMsgIdentity identity);

  /* there is a special server "Local Folders" that is guaranteed to exist.
   * this will allow you to get */
  attribute nsIMsgIncomingServer localFoldersServer;

  // Create the account for that special server.
  void createLocalMailAccount();
  
  /* load accounts kicks off the creation of all accounts. You do not need
   * to call this and all accounts should be loaded lazily if you use any
   * of the above.
   */
  void LoadAccounts();

  void setSpecialFolders();

  void loadVirtualFolders();

  /* unload accounts frees all the account manager data structures */
  void UnloadAccounts();

  void WriteToFolderCache(in nsIMsgFolderCache folderCache);
  void saveVirtualFolders();
  void closeCachedConnections();
  void shutdownServers();

  void CleanupOnExit();
  void SetFolderDoingEmptyTrash(in nsIMsgFolder folder);
  boolean GetEmptyTrashInProgress();

  void SetFolderDoingCleanupInbox(in nsIMsgFolder folder);
  boolean GetCleanupInboxInProgress();

  void addRootFolderListener(in nsIFolderListener listener);
  void removeRootFolderListener(in nsIFolderListener listener);

  // these are going away in favor of add/removeRootFolderListener
  void addIncomingServerListener(in nsIIncomingServerListener serverListener);
  void removeIncomingServerListener(in nsIIncomingServerListener serverListener);

  // these are going away in favor of nsIMsgFolder::NotifyEvent(in nsIAtom event);
  void notifyServerLoaded(in nsIMsgIncomingServer server);
  void notifyServerUnloaded(in nsIMsgIncomingServer server);
  void notifyServerChanged(in nsIMsgIncomingServer server);

  // force account info out to prefs file
  void saveAccountInfo();

  ACString getChromePackageName(in ACString aExtensionName);

  /// Enumerate all incoming servers and their folders and return in an array.
  readonly attribute nsIArray allFolders;

  /**
   * Iterates over all folders looking for one with the passed in path,
   * and returns the uri for the matching folder. In the future,
   * the folder lookup service will provide this functionality.
   *
   * @param aLocalPath path of the folder whose uri we want.
   * @return the URI of the folder that corresponds to aLocalPath
   */
  ACString folderUriForPath(in nsIFile aLocalPath);

  // Used to sort servers (accounts) for e.g. the folder pane
  long getSortOrder(in nsIMsgIncomingServer server);
};

%{C++
#define MAILNEWS_ACCOUNTMANAGER_EXTENSIONS "mailnews-accountmanager-extensions"
%}

[scriptable, uuid(70032DE0-CD59-41ba-839D-FC1B65367EE7)]
interface nsIMsgAccountManagerExtension : nsISupports
{
  readonly attribute ACString name;   // examples:  mdn
  boolean showPanel(in nsIMsgIncomingServer server);
  readonly attribute ACString chromePackageName;  // example:  messenger, chrome://messenger/content/am-mdn.xul and chrome://messenger/locale/am-mdn.properties
};
