/*
 * Copyright (C) 2022 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.systemui.mediaprojection.permission

import android.app.AlertDialog
import android.content.Context
import android.hardware.display.DisplayManager
import android.media.projection.MediaProjectionConfig
import android.os.Bundle
import com.android.systemui.mediaprojection.MediaProjectionMetricsLogger
import com.android.systemui.res.R
import java.util.function.Consumer
import kotlinx.coroutines.Runnable

/**
 * Dialog to select screen recording options for sharing the screen to another app on the same
 * device.
 */
class ShareToAppPermissionDialogDelegate(
    context: Context,
    mediaProjectionConfig: MediaProjectionConfig?,
    private val onStartRecordingClicked:
        Consumer<BaseMediaProjectionPermissionDialogDelegate<AlertDialog>>,
    private val onCancelClicked: Runnable,
    appName: String,
    forceShowPartialScreenshare: Boolean,
    hostUid: Int,
    mediaProjectionMetricsLogger: MediaProjectionMetricsLogger,
) :
    BaseMediaProjectionPermissionDialogDelegate<AlertDialog>(
        createOptionList(
            context,
            appName,
            mediaProjectionConfig,
            overrideDisableSingleAppOption = forceShowPartialScreenshare,
        ),
        appName,
        hostUid,
        mediaProjectionMetricsLogger,
        dialogIconDrawable = R.drawable.ic_present_to_all,
    ) {
    override fun onCreate(dialog: AlertDialog, savedInstanceState: Bundle?) {
        super.onCreate(dialog, savedInstanceState)
        // TODO(b/270018943): Handle the case of System sharing (not recording nor casting)
        setDialogTitle(R.string.media_projection_entry_app_permission_dialog_title)
        setStartButtonOnClickListener {
            // Note that it is important to run this callback before dismissing, so that the
            // callback can disable the dialog exit animation if it wants to.
            onStartRecordingClicked.accept(this)
            dialog.dismiss()
        }
        setCancelButtonOnClickListener {
            onCancelClicked.run()
            dialog.dismiss()
        }
    }

    companion object {
        private fun createOptionList(
            context: Context,
            appName: String,
            mediaProjectionConfig: MediaProjectionConfig?,
            overrideDisableSingleAppOption: Boolean,
        ): List<ScreenShareOption> {
            val singleAppDisabledText =
                MediaProjectionPermissionUtils.getSingleAppDisabledText(
                    context,
                    appName,
                    mediaProjectionConfig,
                    overrideDisableSingleAppOption,
                )
            val options =
                mutableListOf(
                    ScreenShareOption(
                        mode = ENTIRE_SCREEN,
                        spinnerText =
                            R.string
                                .media_projection_entry_app_permission_dialog_option_text_entire_screen,
                        warningText =
                            R.string
                                .media_projection_entry_app_permission_dialog_warning_entire_screen,
                        startButtonText =
                            R.string
                                .media_projection_entry_app_permission_dialog_continue_entire_screen,
                    )
                )
            if (
                com.android.media.projection.flags.Flags
                    .mediaProjectionConnectedDisplayScreenSharing()
            ) {
                val displayManager = context.getSystemService(DisplayManager::class.java)
                options +=
                    MediaProjectionPermissionUtils.getConnectedDisplays(displayManager).map {
                        ScreenShareOption(
                            ENTIRE_SCREEN,
                            R.string
                                .screen_share_permission_dialog_option_text_entire_screen_for_display,
                            warningText =
                                R.string
                                    .media_projection_entry_app_permission_dialog_warning_entire_screen,
                            startButtonText =
                                R.string
                                    .media_projection_entry_app_permission_dialog_continue_entire_screen,
                            displayId = it.displayId,
                            displayName = it.name,
                        )
                    }
            }
            val singleAppOption =
                ScreenShareOption(
                    mode = SINGLE_APP,
                    spinnerText =
                        R.string
                            .media_projection_entry_app_permission_dialog_option_text_single_app,
                    warningText =
                        R.string.media_projection_entry_app_permission_dialog_warning_single_app,
                    startButtonText =
                        R.string
                            .media_projection_entry_generic_permission_dialog_continue_single_app,
                    spinnerDisabledText = singleAppDisabledText,
                )
            if (singleAppDisabledText != null) {
                // Make sure "Entire screen" is the first option when "Single App" is disabled.
                options.add(singleAppOption)
            } else {
                options.add(0, singleAppOption)
            }
            return options
        }
    }
}