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

package com.kunzisoft.keepass.model

import android.content.res.Resources
import android.os.Parcel
import android.os.Parcelable
import com.kunzisoft.keepass.utils.ObjectNameResource

class SearchInfo : ObjectNameResource, Parcelable {

    var applicationId: String? = null
        set(value) {
            field = when {
                value == null -> null
                Regex(APPLICATION_ID_REGEX).matches(value) -> value
                else -> null
            }
        }
    var webDomain: String? = null
        set(value) {
            field = when {
                value == null -> null
                Regex(WEB_DOMAIN_REGEX).matches(value) -> value
                Regex(WEB_IP_REGEX).matches(value) -> value
                else -> null
            }
        }
    var webScheme: String? = null
        get() {
            return if (webDomain == null) null else field
        }

    constructor()

    constructor(toCopy: SearchInfo?) {
        applicationId = toCopy?.applicationId
        webDomain = toCopy?.webDomain
        webScheme = toCopy?.webScheme
    }

    private constructor(parcel: Parcel) {
        val readAppId = parcel.readString()
        applicationId =  if (readAppId.isNullOrEmpty()) null else readAppId
        val readDomain = parcel.readString()
        webDomain = if (readDomain.isNullOrEmpty()) null else readDomain
        val readScheme = parcel.readString()
        webScheme = if (readScheme.isNullOrEmpty()) null else readScheme
    }

    override fun describeContents(): Int {
        return 0
    }

    override fun writeToParcel(parcel: Parcel, flags: Int) {
        parcel.writeString(applicationId ?: "")
        parcel.writeString(webDomain ?: "")
        parcel.writeString(webScheme ?: "")
    }

    override fun getName(resources: Resources): String {
        return toString()
    }

    fun containsOnlyNullValues(): Boolean {
        return applicationId == null && webDomain == null && webScheme == null
    }

    override fun equals(other: Any?): Boolean {
        if (this === other) return true
        if (javaClass != other?.javaClass) return false

        other as SearchInfo

        if (applicationId != other.applicationId) return false
        if (webDomain != other.webDomain) return false
        if (webScheme != other.webScheme) return false

        return true
    }

    override fun hashCode(): Int {
        var result = applicationId?.hashCode() ?: 0
        result = 31 * result + (webDomain?.hashCode() ?: 0)
        result = 31 * result + (webScheme?.hashCode() ?: 0)
        return result
    }

    override fun toString(): String {
        return webDomain ?: applicationId ?: ""
    }

    companion object {
        // https://gist.github.com/rishabhmhjn/8663966
        const val APPLICATION_ID_REGEX = "^(?:[a-zA-Z]+(?:\\d*[a-zA-Z_]*)*)(?:\\.[a-zA-Z]+(?:\\d*[a-zA-Z_]*)*)+\$"
        const val WEB_DOMAIN_REGEX = "^(?!://)([a-zA-Z0-9-_]+\\.)*[a-zA-Z0-9][a-zA-Z0-9-_]+\\.[a-zA-Z]{2,11}?\$"
        const val WEB_IP_REGEX = "^(?:(?:25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?)\\.){3}(?:25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?)\$"

        @JvmField
        val CREATOR: Parcelable.Creator<SearchInfo> = object : Parcelable.Creator<SearchInfo> {
            override fun createFromParcel(parcel: Parcel): SearchInfo {
                return SearchInfo(parcel)
            }

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