/*
 * Copyright (C) 2023 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 android.tools.testutils

import android.tools.Timestamp
import android.tools.io.Artifact
import android.tools.io.Reader
import android.tools.io.RunStatus
import android.tools.io.TraceType
import android.tools.traces.events.CujTrace
import android.tools.traces.events.EventLog
import android.tools.traces.protolog.ProtoLogTrace
import android.tools.traces.surfaceflinger.LayersTrace
import android.tools.traces.surfaceflinger.TransactionsTrace
import android.tools.traces.wm.TransitionsTrace
import android.tools.traces.wm.WindowManagerTrace

/** Reads parsed traces from in memory objects */
class ParsedTracesReader(
    override val artifacts: Array<Artifact>,
    private val wmTrace: WindowManagerTrace? = null,
    private val layersTrace: LayersTrace? = null,
    private val transitionsTrace: TransitionsTrace? = null,
    private val transactionsTrace: TransactionsTrace? = null,
    private val eventLog: EventLog? = null,
    private val protoLogTrace: ProtoLogTrace? = null,
    private val layerDumps: Map<String, LayersTrace> = emptyMap(),
    private val wmDumps: Map<String, WindowManagerTrace> = emptyMap(),
) : Reader {
    // TODO: Refactor all these values out of IReader, they don't totally make sense here

    override val runStatus = RunStatus.UNDEFINED
    override val executionError = null

    override fun readLayersTrace(): LayersTrace? = layersTrace

    override fun readTransactionsTrace(): TransactionsTrace? = transactionsTrace

    override fun readTransitionsTrace(): TransitionsTrace? = transitionsTrace

    override fun readWmTrace(): WindowManagerTrace? = wmTrace

    override fun readEventLogTrace(): EventLog? = eventLog

    override fun readCujTrace(): CujTrace? = eventLog?.cujTrace

    override fun readProtoLogTrace(): ProtoLogTrace? = protoLogTrace

    override fun slice(startTimestamp: Timestamp, endTimestamp: Timestamp): ParsedTracesReader {
        return ParsedTracesReader(
            artifacts,
            wmTrace?.slice(startTimestamp, endTimestamp),
            layersTrace?.slice(startTimestamp, endTimestamp),
            transitionsTrace?.slice(startTimestamp, endTimestamp),
            transactionsTrace?.slice(startTimestamp, endTimestamp),
            eventLog?.slice(startTimestamp, endTimestamp),
            protoLogTrace?.slice(startTimestamp, endTimestamp),
            layerDumps,
            wmDumps,
        )
    }

    override fun readLayersDump(tag: String): LayersTrace? = layerDumps[tag]

    override fun readWmState(tag: String): WindowManagerTrace? = wmDumps[tag]

    override fun readBytes(traceType: TraceType, tag: String): ByteArray? {
        error("Feature not available")
    }
}