KeePassDX/app/src/main/java/com/kunzisoft/keepass/model/SnapFileDatabaseInfo.kt

package com.kunzisoft.keepass.model

import android.content.Context
import android.net.Uri
import android.os.Parcel
import android.os.Parcelable
import android.text.format.Formatter
import com.kunzisoft.keepass.viewmodels.FileDatabaseInfo
import java.text.DateFormat
import java.util.*

/**
 * Utility data class to get FileDatabaseInfo at a `t` time
 */
data class SnapFileDatabaseInfo(var fileUri: Uri?,
                                var exists: Boolean,
                                var lastModification: Long?,
                                var size: Long?): Parcelable {

    constructor(parcel: Parcel) : this(
            parcel.readParcelable(Uri::class.java.classLoader),
            parcel.readByte() != 0.toByte(),
            parcel.readValue(Long::class.java.classLoader) as? Long,
            parcel.readValue(Long::class.java.classLoader) as? Long) {
    }

    fun toString(context: Context): String {
        val lastModificationString = DateFormat.getDateTimeInstance()
                .format(Date(lastModification ?: 0))
        return "$lastModificationString, " +
                Formatter.formatFileSize(context, size ?: 0)
    }

    override fun writeToParcel(parcel: Parcel, flags: Int) {
        parcel.writeParcelable(fileUri, flags)
        parcel.writeByte(if (exists) 1 else 0)
        parcel.writeValue(lastModification)
        parcel.writeValue(size)
    }

    override fun describeContents(): Int {
        return 0
    }

    companion object CREATOR : Parcelable.Creator<SnapFileDatabaseInfo> {
        override fun createFromParcel(parcel: Parcel): SnapFileDatabaseInfo {
            return SnapFileDatabaseInfo(parcel)
        }

        override fun newArray(size: Int): Array<SnapFileDatabaseInfo?> {
            return arrayOfNulls(size)
        }

        fun fromFileDatabaseInfo(fileDatabaseInfo: FileDatabaseInfo): SnapFileDatabaseInfo {
            return SnapFileDatabaseInfo(
                    fileDatabaseInfo.fileUri,
                    fileDatabaseInfo.exists,
                    fileDatabaseInfo.getLastModification(),
                    fileDatabaseInfo.getSize())
        }
    }
}