packages/SystemUI/src/com/android/systemui/media/MediaTimeoutLogger.kt

/*
 * 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.media

import android.media.session.PlaybackState
import com.android.systemui.dagger.SysUISingleton
import com.android.systemui.log.LogBuffer
import com.android.systemui.log.LogLevel
import com.android.systemui.log.dagger.MediaTimeoutListenerLog
import javax.inject.Inject

private const val TAG = "MediaTimeout"

/**
 * A buffered log for [MediaTimeoutListener] events
 */
@SysUISingleton
class MediaTimeoutLogger @Inject constructor(
    @MediaTimeoutListenerLog private val buffer: LogBuffer
) {
    fun logReuseListener(key: String) = buffer.log(
        TAG,
        LogLevel.DEBUG,
        {
            str1 = key
        },
        {
            "reuse listener: $str1"
        }
    )

    fun logMigrateListener(oldKey: String?, newKey: String?, hadListener: Boolean) = buffer.log(
        TAG,
        LogLevel.DEBUG,
        {
            str1 = oldKey
            str2 = newKey
            bool1 = hadListener
        },
        {
            "migrate from $str1 to $str2, had listener? $bool1"
        }
    )

    fun logUpdateListener(key: String, wasPlaying: Boolean) = buffer.log(
        TAG,
        LogLevel.DEBUG,
        {
            str1 = key
            bool1 = wasPlaying
        },
        {
            "updating $str1, was playing? $bool1"
        }
    )

    fun logDelayedUpdate(key: String) = buffer.log(
        TAG,
        LogLevel.DEBUG,
        {
            str1 = key
        },
        {
            "deliver delayed playback state for $str1"
        }
    )

    fun logSessionDestroyed(key: String) = buffer.log(
        TAG,
        LogLevel.DEBUG,
        {
            str1 = key
        },
        {
            "session destroyed $str1"
        }
    )

    fun logPlaybackState(key: String, state: PlaybackState?) = buffer.log(
        TAG,
        LogLevel.VERBOSE,
        {
            str1 = key
            str2 = state?.toString()
        },
        {
            "state update: key=$str1 state=$str2"
        }
    )

    fun logStateCallback(key: String) = buffer.log(
            TAG,
            LogLevel.VERBOSE,
            {
                str1 = key
            },
            {
                "dispatching state update for $key"
            }
    )

    fun logScheduleTimeout(key: String, playing: Boolean, resumption: Boolean) = buffer.log(
        TAG,
        LogLevel.DEBUG,
        {
            str1 = key
            bool1 = playing
            bool2 = resumption
        },
        {
            "schedule timeout $str1, playing=$bool1 resumption=$bool2"
        }
    )

    fun logCancelIgnored(key: String) = buffer.log(
        TAG,
        LogLevel.DEBUG,
        {
            str1 = key
        },
        {
            "cancellation already exists for $str1"
        }
    )

    fun logTimeout(key: String) = buffer.log(
        TAG,
        LogLevel.DEBUG,
        {
            str1 = key
        },
        {
            "execute timeout for $str1"
        }
    )

    fun logTimeoutCancelled(key: String, reason: String) = buffer.log(
        TAG,
        LogLevel.VERBOSE,
        {
            str1 = key
            str2 = reason
        },
        {
            "media timeout cancelled for $str1, reason: $str2"
        }
    )
}