/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* vim: set ts=8 sts=2 et sw=2 tw=80: */
/* 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 "JaUrl.h"
#include "nsComponentManagerUtils.h"
#include "nsIFile.h"
#include "nsIMessenger.h"
#include "nsIMsgHdr.h"
#include "nsMsgUtils.h"

// This file contains an implementation of mailnews URLs in JsAccount.

namespace mozilla {
namespace mailnews {

NS_IMPL_ISUPPORTS_INHERITED(JaBaseCppUrl, nsMsgMailNewsUrl, nsIMsgMessageUrl,
                            msgIJaUrl, nsIInterfaceRequestor,
                            nsISupportsWeakReference)

// nsIMsgMailNewsUrl overrides
NS_IMETHODIMP JaBaseCppUrl::GetFolder(nsIMsgFolder** aFolder) {
  NS_ENSURE_ARG_POINTER(aFolder);
  NS_IF_ADDREF(*aFolder = mFolder);
  return NS_OK;
}

NS_IMETHODIMP JaBaseCppUrl::SetFolder(nsIMsgFolder* aFolder) {
  mFolder = aFolder;
  return NS_OK;
}

NS_IMETHODIMP JaBaseCppUrl::GetServer(nsIMsgIncomingServer** aIncomingServer) {
  if (mFolder) {
    return mFolder->GetServer(aIncomingServer);
  }
  return NS_ERROR_NOT_INITIALIZED;
}

NS_IMETHODIMP JaBaseCppUrl::IsUrlType(uint32_t type, bool* isType) {
  NS_ENSURE_ARG(isType);
  *isType = (m_urlType == type);
  return NS_OK;
}

// nsIMsgMessageUrl implementation
NS_IMETHODIMP JaBaseCppUrl::GetUri(nsACString& aUri) {
  if (!mUri.IsEmpty())
    aUri = mUri;
  else
    return NS_ERROR_NOT_INITIALIZED;
  return NS_OK;
}
NS_IMETHODIMP JaBaseCppUrl::SetUri(const nsACString& aUri) {
  mUri = aUri;
  return NS_OK;
}

NS_IMETHODIMP JaBaseCppUrl::GetMessageFile(nsIFile** aMessageFile) {
  NS_ENSURE_ARG_POINTER(aMessageFile);
  NS_IF_ADDREF(*aMessageFile = mMessageFile);
  return NS_OK;
}
NS_IMETHODIMP JaBaseCppUrl::SetMessageFile(nsIFile* aMessageFile) {
  mMessageFile = aMessageFile;
  return NS_OK;
}

NS_IMETHODIMP JaBaseCppUrl::GetAddDummyEnvelope(bool* aAddDummyEnvelope) {
  return NS_ERROR_NOT_IMPLEMENTED;
}
NS_IMETHODIMP JaBaseCppUrl::SetAddDummyEnvelope(bool aAddDummyEnvelope) {
  return NS_ERROR_NOT_IMPLEMENTED;
}

NS_IMETHODIMP JaBaseCppUrl::GetCanonicalLineEnding(bool* aCanonicalLineEnding) {
  NS_ENSURE_ARG_POINTER(aCanonicalLineEnding);
  *aCanonicalLineEnding = mCanonicalLineEnding;
  return NS_OK;
}
NS_IMETHODIMP JaBaseCppUrl::SetCanonicalLineEnding(bool aCanonicalLineEnding) {
  mCanonicalLineEnding = aCanonicalLineEnding;
  return NS_OK;
}

NS_IMETHODIMP JaBaseCppUrl::GetOriginalSpec(nsACString& aOriginalSpec) {
  if (mOriginalSpec.IsEmpty()) return NS_ERROR_NULL_POINTER;
  aOriginalSpec = mOriginalSpec;
  return NS_OK;
}
NS_IMETHODIMP JaBaseCppUrl::SetOriginalSpec(const nsACString& aOriginalSpec) {
  mOriginalSpec = aOriginalSpec;
  return NS_OK;
}

NS_IMETHODIMP JaBaseCppUrl::GetNormalizedSpec(nsACString& aPrincipalSpec) {
  // URLs contain a lot of query parts. We want need a normalized form:
  // scheme://server/folder?number=123
  nsCOMPtr<nsIMsgMailNewsUrl> mailnewsURL;
  QueryInterface(NS_GET_IID(nsIMsgMailNewsUrl), getter_AddRefs(mailnewsURL));

  nsAutoCString spec;
  mailnewsURL->GetSpecIgnoringRef(spec);

  nsCString queryPart = MsgExtractQueryPart(spec, "number=");

  // Strip any query part beginning with ? or /;
  MsgRemoveQueryPart(spec);

  if (!queryPart.IsEmpty()) spec += "?"_ns + queryPart;

  aPrincipalSpec.Assign(spec);
  return NS_OK;
}

NS_IMETHODIMP JaBaseCppUrl::GetMessageHeader(nsIMsgDBHdr** aMessageHeader) {
  // This routine does a lookup using messenger, assuming that the message URI
  // has been set in mUri.
  NS_ENSURE_TRUE(!mUri.IsEmpty(), NS_ERROR_NOT_INITIALIZED);
  nsresult rv;
  nsCOMPtr<nsIMessenger> messenger(
      do_CreateInstance("@mozilla.org/messenger;1", &rv));
  NS_ENSURE_SUCCESS(rv, rv);
  nsCOMPtr<nsIMsgDBHdr> msgHdr;
  rv = messenger->MsgHdrFromURI(mUri, getter_AddRefs(msgHdr));
  NS_ENSURE_SUCCESS(rv, rv);
  msgHdr.forget(aMessageHeader);
  return NS_OK;
}

// msgIJaUrl implementation
NS_IMETHODIMP JaBaseCppUrl::SetUrlType(unsigned int type) {
  m_urlType = type;
  return NS_OK;
}

NS_IMETHODIMP JaBaseCppUrl::SetSpec(const nsACString& aSpec) {
  return SetSpecInternal(aSpec);
}

// nsIInterfaceRequestor implementation
NS_IMETHODIMP JaBaseCppUrl::GetInterface(const nsIID& aIID, void** aSink) {
  return QueryInterface(aIID, aSink);
}

// Delegator
NS_IMPL_ISUPPORTS_INHERITED(JaCppUrlDelegator, JaBaseCppUrl, msgIOverride)

// Delegator object to bypass JS method override.
NS_IMPL_ISUPPORTS(JaCppUrlDelegator::Super, nsIMsgMessageUrl, nsIURI, nsIURL,
                  nsIURIWithSpecialOrigin, nsIMsgMailNewsUrl, msgIJaUrl,
                  nsIInterfaceRequestor, nsISupportsWeakReference)

JaCppUrlDelegator::JaCppUrlDelegator()
    : mCppBase(new Super(this)), mMethods(nullptr) {}

NS_IMETHODIMP JaCppUrlDelegator::SetMethodsToDelegate(
    msgIDelegateList* aDelegateList) {
  if (!aDelegateList) {
    NS_WARNING("Null delegate list");
    return NS_ERROR_NULL_POINTER;
  }
  // We static_cast since we want to use the hash object directly.
  mDelegateList = static_cast<DelegateList*>(aDelegateList);
  mMethods = &(mDelegateList->mMethods);
  return NS_OK;
}
NS_IMETHODIMP JaCppUrlDelegator::GetMethodsToDelegate(
    msgIDelegateList** aDelegateList) {
  if (!mDelegateList) mDelegateList = new DelegateList();
  mMethods = &(mDelegateList->mMethods);
  NS_ADDREF(*aDelegateList = mDelegateList);
  return NS_OK;
}

NS_IMETHODIMP JaCppUrlDelegator::SetJsDelegate(nsISupports* aJsDelegate) {
  // If these QIs fail, then overrides are not provided for methods in that
  // interface, which is OK.
  mJsISupports = aJsDelegate;
  mJsIMsgMessageUrl = do_QueryInterface(aJsDelegate);
  mJsIInterfaceRequestor = do_QueryInterface(aJsDelegate);
  return NS_OK;
}
NS_IMETHODIMP JaCppUrlDelegator::GetJsDelegate(nsISupports** aJsDelegate) {
  NS_ENSURE_ARG_POINTER(aJsDelegate);
  if (mJsISupports) {
    NS_ADDREF(*aJsDelegate = mJsISupports);
    return NS_OK;
  }
  return NS_ERROR_NOT_INITIALIZED;
}

NS_IMETHODIMP JaCppUrlDelegator::GetCppBase(nsISupports** aCppBase) {
  nsCOMPtr<nsISupports> cppBaseSupports;
  cppBaseSupports = NS_ISUPPORTS_CAST(nsIMsgMailNewsUrl*, mCppBase);
  NS_ENSURE_STATE(cppBaseSupports);
  cppBaseSupports.forget(aCppBase);

  return NS_OK;
}

}  // namespace mailnews
}  // namespace mozilla