/*
 * Copyright (C) 2025 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.privatespace.logging

/**
 * A class to hold aggregated details about file operations for logging purposes. It tracks the
 * total size of successful and failed operations, along with MIME types and error details.
 */
class FilesLoggingDetails {
    var totalSuccessFilesSize: Long = 0L
        private set

    var totalFailedFilesSize: Long = 0L
        private set

    val successFileMimeTypes: List<String>
        get() = _successFilesMimeTypes

    private val _successFilesMimeTypes = mutableListOf<String>()

    val failedFileDetails: List<FailedFileDetails>
        get() = _failedFileDetails

    private val _failedFileDetails = mutableListOf<FailedFileDetails>()

    fun addSuccessFileDetails(sizeBytes: Long, mimeType: String) {
        totalSuccessFilesSize += sizeBytes
        _successFilesMimeTypes.add(mimeType)
    }

    fun addFailedFileDetails(errorCode: Int, sizeBytes: Long, mimeType: String? = null) {
        totalFailedFilesSize += sizeBytes
        _failedFileDetails.add(FailedFileDetails(errorCode, mimeType))
    }

    /**
     * A data class to hold specific details for a file that failed to transfer.
     *
     * @param errorCode The error code associated with the failure.
     * @param mimeType The MIME type of the file that failed. If null, the MIME type is unknown.
     */
    data class FailedFileDetails(val errorCode: Int, val mimeType: String?)
}