// Copyright 2016 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

#include "components/permissions/android/permission_prompt/permission_prompt_android.h"

#include <memory>
#include <vector>

#include "base/android/jni_array.h"
#include "base/android/jni_string.h"
#include "base/memory/raw_ptr.h"
#include "base/memory/weak_ptr.h"
#include "base/notimplemented.h"
#include "components/permissions/features.h"
#include "components/permissions/permission_request.h"
#include "components/resources/android/theme_resources.h"
#include "components/strings/grit/components_strings.h"
#include "components/url_formatter/elide_url.h"
#include "ui/base/l10n/l10n_util.h"
#include "ui/strings/grit/ui_strings.h"

namespace permissions {

using base::android::ConvertUTF16ToJavaString;

PermissionPromptAndroid::PermissionPromptAndroid(
    content::WebContents* web_contents,
    Delegate* delegate)
    : web_contents_(web_contents), delegate_(delegate) {
  DCHECK(web_contents);
  std::transform(delegate_->Requests().begin(), delegate_->Requests().end(),
                 std::back_inserter(requests_),
                 [](const std::unique_ptr<PermissionRequest>& request_ptr) {
                   return request_ptr->GetWeakPtr();
                 });
}

PermissionPromptAndroid::~PermissionPromptAndroid() = default;

bool PermissionPromptAndroid::UpdateAnchor() {
  NOTIMPLEMENTED();
  return false;
}

PermissionPrompt::TabSwitchingBehavior
PermissionPromptAndroid::GetTabSwitchingBehavior() {
  return TabSwitchingBehavior::kKeepPromptAlive;
}

std::optional<gfx::Rect> PermissionPromptAndroid::GetViewBoundsInScreen()
    const {
  return std::nullopt;
}

bool PermissionPromptAndroid::ShouldFinalizeRequestAfterDecided() const {
  return true;
}

std::vector<permissions::ElementAnchoredBubbleVariant>
PermissionPromptAndroid::GetPromptVariants() const {
  return {};
}

bool PermissionPromptAndroid::IsAskPrompt() const {
  return true;
}

std::optional<permissions::feature_params::PermissionElementPromptPosition>
PermissionPromptAndroid::GetPromptPosition() const {
  return std::nullopt;
}

EmbeddedPermissionPromptFlowModel::Variant
PermissionPromptAndroid::GetEmbeddedPromptVariant() const {
  return EmbeddedPermissionPromptFlowModel::Variant::kUninitialized;
}

void PermissionPromptAndroid::Closing() {
  delegate_->Dismiss();
}

void PermissionPromptAndroid::Accept() {
  delegate_->Accept();
}

void PermissionPromptAndroid::AcceptThisTime() {
  delegate_->AcceptThisTime();
}

void PermissionPromptAndroid::Deny() {
  delegate_->Deny();
}

void PermissionPromptAndroid::SetManageClicked() {
  delegate_->SetManageClicked();
}

void PermissionPromptAndroid::SetLearnMoreClicked() {
  delegate_->SetLearnMoreClicked();
}

bool PermissionPromptAndroid::ShouldCurrentRequestUseQuietUI() {
  return delegate_->ShouldCurrentRequestUseQuietUI();
}

std::optional<PermissionUiSelector::QuietUiReason>
PermissionPromptAndroid::ReasonForUsingQuietUi() const {
  return delegate_->ReasonForUsingQuietUi();
}

base::android::ScopedJavaLocalRef<jstring>
PermissionPromptAndroid::GetPositiveButtonText(JNIEnv* env,
                                               bool is_one_time) const {
  return ConvertUTF16ToJavaString(env, std::u16string_view());
}
base::android::ScopedJavaLocalRef<jstring>
PermissionPromptAndroid::GetNegativeButtonText(JNIEnv* env,
                                               bool is_one_time) const {
  return ConvertUTF16ToJavaString(env, std::u16string_view());
}
base::android::ScopedJavaLocalRef<jstring>
PermissionPromptAndroid::GetPositiveEphemeralButtonText(
    JNIEnv* env,
    bool is_one_time) const {
  return ConvertUTF16ToJavaString(env, std::u16string_view());
}
base::android::ScopedJavaLocalRef<jobjectArray>
PermissionPromptAndroid::GetRadioButtonTexts(JNIEnv* env,
                                             bool is_one_time) const {
  if (!is_one_time) {
    return base::android::ToJavaArrayOfStrings(env, base::span<std::string>());
  }
  if (Requests()[0]->request_type() == RequestType::kGeolocation &&
      base::FeatureList::IsEnabled(
          permissions::features::kApproximateGeolocationPermission)) {
    return base::android::ToJavaArrayOfStrings(
        env, {l10n_util::GetStringUTF16(IDS_PERMISSION_ALLOW_APPROXIMATE_GEO),
              l10n_util::GetStringUTF16(IDS_PERMISSION_ALLOW_PRECISE_GEO)});
  }
  return base::android::ToJavaArrayOfStrings(env, base::span<std::string>());
}

size_t PermissionPromptAndroid::PermissionCount() const {
  return Requests().size();
}

ContentSettingsType PermissionPromptAndroid::GetContentSettingType(
    size_t position) const {
  const std::vector<base::WeakPtr<PermissionRequest>>& requests = Requests();
  CHECK_LT(position, requests.size());
  return requests[position]->GetContentSettingsType();
}

static bool IsValidMediaRequestGroup(
    const std::vector<base::WeakPtr<PermissionRequest>>& requests) {
  if (requests.size() < 2 || !requests[0] || !requests[1]) {
    return false;
  }
  return ((requests[0]->request_type() == RequestType::kMicStream &&
           requests[1]->request_type() == RequestType::kCameraStream) ||
          (requests[0]->request_type() == RequestType::kCameraStream &&
           requests[1]->request_type() == RequestType::kMicStream));
}

void PermissionPromptAndroid::CheckValidRequestGroup(
    const std::vector<base::WeakPtr<PermissionRequest>>& requests) const {
  DCHECK_EQ(static_cast<size_t>(2u), requests.size());
  DCHECK((IsValidMediaRequestGroup(requests)));
}

int PermissionPromptAndroid::GetIconId() const {
  const std::vector<base::WeakPtr<PermissionRequest>>& requests = Requests();
  if (requests.size() == 1) {
    if (requests[0]->request_type() == RequestType::kStorageAccess) {
      return IDR_ANDROID_GLOBE;
    }
    return permissions::GetIconId(requests[0]->request_type());
  }
  CheckValidRequestGroup(requests);
  return IDR_ANDROID_INFOBAR_MEDIA_STREAM_CAMERA;
}

PermissionRequest::AnnotatedMessageText
PermissionPromptAndroid::GetAnnotatedMessageText() const {
  const std::vector<base::WeakPtr<PermissionRequest>>& requests = Requests();
  if (requests.size() == 1) {
    return requests[0]->GetDialogAnnotatedMessageText(
        delegate_->GetEmbeddingOrigin());
  }
  CheckValidRequestGroup(requests);

  // We only end up here if 2 requests are combined in one prompt (which only
  // happens for Audio & Video). All other requests are handled in the if block
  // above. For Audio and Video (which can be allowed once), format origins
  // bold.
  return PermissionRequest::GetDialogAnnotatedMessageText(
      url_formatter::FormatUrlForSecurityDisplay(
          delegate_->GetRequestingOrigin(),
          url_formatter::SchemeDisplay::OMIT_CRYPTOGRAPHIC),
      IDS_MEDIA_CAPTURE_AUDIO_AND_VIDEO_INFOBAR_TEXT,
      /*format_origin_bold=*/true);
}

bool PermissionPromptAndroid::ShouldUseRequestingOriginFavicon() const {
  const std::vector<base::WeakPtr<PermissionRequest>>& requests = Requests();
  CHECK_GT(requests.size(), 0U);

  return requests[0]->request_type() == RequestType::kStorageAccess;
}

GURL PermissionPromptAndroid::GetRequestingOrigin() const {
  return delegate_->GetRequestingOrigin();
}

const std::vector<base::WeakPtr<permissions::PermissionRequest>>&
PermissionPromptAndroid::Requests() const {
  return requests_;
}

base::android::ScopedJavaLocalRef<jintArray>
PermissionPromptAndroid::GetContentSettingTypes(JNIEnv* env) const {
  std::vector<int> content_settings_types;
  for (size_t i = 0; i < PermissionCount(); ++i) {
    content_settings_types.push_back(
        static_cast<int>(GetContentSettingType(i)));
  }
  return base::android::ToJavaIntArray(env, content_settings_types);
}

base::android::ScopedJavaLocalRef<jintArray>
PermissionPromptAndroid::GetBoldRanges(JNIEnv* env) const {
  PermissionRequest::AnnotatedMessageText annotatedMessageText =
      GetAnnotatedMessageText();
  std::vector<int> bolded_ranges;
  for (auto [start, end] : annotatedMessageText.bolded_ranges) {
    bolded_ranges.push_back(base::checked_cast<int>(start));
    bolded_ranges.push_back(base::checked_cast<int>(end));
  }
  return base::android::ToJavaIntArray(env, bolded_ranges);
}

}  // namespace permissions