/*
 * Copyright (C) 2024 The Android Open Source Project
 *
 * 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.
 */

package com.android.settings.notification.modes;

import static com.google.common.base.Preconditions.checkNotNull;

import android.annotation.NonNull;
import android.content.Context;
import android.provider.Settings;
import android.view.View;
import android.widget.Button;

import androidx.annotation.StringRes;
import androidx.fragment.app.Fragment;
import androidx.preference.Preference;

import com.android.settings.R;
import com.android.settings.notification.EnableDndDialogFragment;
import com.android.settingslib.notification.modes.ZenMode;
import com.android.settingslib.notification.modes.ZenModesBackend;
import com.android.settingslib.widget.ButtonPreference;
import com.android.settingslib.widget.LayoutPreference;
import com.android.settingslib.widget.SettingsThemeHelper;

import java.time.Duration;

class ZenModeButtonPreferenceController extends AbstractZenModePreferenceController {
    private static final String TAG = "ZenModeButtonPrefController";

    static final String KEY = "activate";

    private final Fragment mParent;
    private final ManualDurationHelper mDurationHelper;

    ZenModeButtonPreferenceController(Context context, String key, Fragment parent,
            ZenModesBackend backend) {
        super(context, key, backend);
        mParent = parent;
        mDurationHelper = new ManualDurationHelper(context);
    }

    @Override
    public boolean isAvailable(ZenMode zenMode) {
        return zenMode.isEnabled()
                && (zenMode.isActive() || zenMode.isManualInvocationAllowed());
    }

    @Override
    public void updateState(Preference preference, @NonNull ZenMode zenMode) {
        updateButtonState(
                preference,
                zenMode.isActive()
                        ? R.string.zen_mode_action_deactivate
                        : R.string.zen_mode_action_activate,
                _unused -> {
                    checkNotNull(mBackend, "Backend not available!");
                    if (zenMode.isActive()) {
                        mBackend.deactivateMode(zenMode);
                    } else {
                        if (zenMode.isManualDnd()) {
                            // if manual DND, potentially ask for or use desired duration
                            int zenDuration = mDurationHelper.getZenDuration();
                            switch (zenDuration) {
                                case Settings.Secure.ZEN_DURATION_PROMPT:
                                    new EnableDndDialogFragment().show(
                                            mParent.getParentFragmentManager(), TAG);
                                    break;
                                case Settings.Secure.ZEN_DURATION_FOREVER:
                                    mBackend.activateMode(zenMode, null);
                                    break;
                                default:
                                    mBackend.activateMode(zenMode, Duration.ofMinutes(zenDuration));
                            }
                        } else {
                            mBackend.activateMode(zenMode, null);
                        }
                    }
                });
    }

    private void updateButtonState(Preference preference, @StringRes int text,
            View.OnClickListener clickListener) {
        if (SettingsThemeHelper.isExpressiveTheme(mContext)) {
            ButtonPreference buttonPreference = (ButtonPreference) preference;
            buttonPreference.setTitle(text);
            buttonPreference.setOnClickListener(clickListener);
        } else {
            Button button = ((LayoutPreference) preference).findViewById(R.id.activate_mode);
            button.setText(text);
            button.setOnClickListener(clickListener);
        }
    }
}