package moe.yuuta.workmode.suspend.data

import android.content.Context
import android.content.SharedPreferences
import com.crashlytics.android.Crashlytics
import com.crashlytics.android.answers.Answers
import com.crashlytics.android.answers.CustomEvent
import com.elvishew.xlog.XLog
import moe.yuuta.workmode.Setup
import moe.yuuta.workmode.utils.Utils
import java.util.stream.Collectors

/**
 * An independent storage of suspended status
 */
class SuspendedStorage(mContext: Context) {
    private val logger = XLog.tag("Storage").build()

    companion object {
        private lateinit var instance: SuspendedStorage

        fun get(context: Context): SuspendedStorage {
            if (!::instance.isInitialized) {
                instance = SuspendedStorage(context)
            }
            return instance
        }
    }

    private val storage: SharedPreferences = mContext.getSharedPreferences("suspended", Context.MODE_PRIVATE)

    fun getStorage(): SharedPreferences = storage

    fun getList(): List<String> = (getStorage().getStringSet("list", setOf()) ?: listOf<String>()).toList()

    fun setList(set: Set<String>) {
        logger.d("s() $set")
        getStorage().edit().putStringSet("list", set).apply()
    }

    fun setStatus(status: Status) {
        getStorage().edit().putInt("status",
                when (status) {
                    Status.OFF -> 0
                    Status.ON -> 1
                }).apply()
    }

    fun getStatus(): Status =
            when (getStorage().getInt("status", 0)) {
                0 -> Status.OFF
                1 -> Status.ON
                else -> Status.OFF
            }

    fun setListMode(listMode: ListMode) {
        getStorage().edit().putInt("list_mode",
                when (listMode) {
                    ListMode.BLACKLIST -> 0
                    ListMode.WHITELIST -> 1
                }).apply()
    }

    fun getListMode(): ListMode =
            when (getStorage().getInt("list_mode", 0)) {
                0 -> ListMode.BLACKLIST
                1 -> ListMode.WHITELIST
                else -> ListMode.BLACKLIST
            }

    fun cleanList(context: Context) {
        val installed = context.packageManager.getInstalledApplications(0)
                .stream()
                .filter(Utils.buildGeneralApplicationInfoFilter(context))
                .map {
                    return@map it.packageName
                }
                .collect(Collectors.toList())
        setList(getList().stream()
                .filter {
                    return@filter installed.contains(it)
                }
                .collect(Collectors.toSet()))
    }

    // #Anti-Crack
    fun reportCrack(id: String, reason: String) {
        if (getList().isEmpty()) {
            // Only report when user had set at least one app.
            logger.d("Skipping for registering...")
            return
        }
        val reportTimes = getStorage().getInt("c_$id", 0)
        getStorage().edit()
                .putInt("c_$id", reportTimes + 1)
                .apply()
        if (reportTimes <= 0) {
            Runnable {
                Runnable {
                    if (Setup.FABRIC_ENABLE)
                        Runnable {
                            Answers.getInstance().logCustom(CustomEvent("St.rf.pa.")
                                    .putCustomAttribute("rn", reason)
                                    .putCustomAttribute("ic", id))
                            Crashlytics.log("Sf. $reason $id")
                        }.run()
                }.run()
            }.run()
        }
    }

    // #Anti-Crack
    fun removeCrack(id: String) {
        getStorage().edit()
                .remove("c_$id")
                .apply()
        if (Setup.FABRIC_ENABLE)
            Runnable {
                Answers.getInstance().logCustom(CustomEvent("St.rf.rm.")
                        .putCustomAttribute("ic", id))
                Crashlytics.log("Sf.rm. $id")
            }.run()
    }
}