mihon/app/src/main/java/exh/ui/lock/LockController.kt

package exh.ui.lock

import android.annotation.SuppressLint
import android.util.TypedValue
import android.view.LayoutInflater
import android.view.View
import android.view.ViewGroup
import com.afollestad.materialdialogs.MaterialDialog
import com.andrognito.pinlockview.PinLockListener
import com.github.ajalt.reprint.core.AuthenticationResult
import com.github.ajalt.reprint.rxjava.RxReprint
import com.mattprecious.swirl.SwirlView
import eu.kanade.tachiyomi.R
import eu.kanade.tachiyomi.data.preference.PreferencesHelper
import eu.kanade.tachiyomi.data.preference.getOrDefault
import eu.kanade.tachiyomi.ui.base.controller.NucleusController
import exh.util.dpToPx
import kotlinx.android.synthetic.main.activity_lock.view.*
import uy.kohesive.injekt.injectLazy

class LockController : NucleusController<LockPresenter>() {

    val prefs: PreferencesHelper by injectLazy()

    override fun inflateView(inflater: LayoutInflater, container: ViewGroup)
        = inflater.inflate(R.layout.activity_lock, container, false)!!

    override fun createPresenter() = LockPresenter()

    override fun getTitle() = "Application locked"

    override fun onViewCreated(view: View) {
        super.onViewCreated(view)

        if(!lockEnabled(prefs)) {
            closeLock()
            return
        }

        with(view) {
            //Setup pin lock
            pin_lock_view.attachIndicatorDots(indicator_dots)

            pin_lock_view.pinLength = prefs.lockLength().getOrDefault()
            pin_lock_view.setPinLockListener(object : PinLockListener {
                override fun onEmpty() {}

                override fun onComplete(pin: String) {
                    if (sha512(pin, prefs.lockSalt().get()!!) == prefs.lockHash().get()) {
                        //Yay!
                        closeLock()
                    } else {
                        MaterialDialog.Builder(context)
                                .title("PIN code incorrect")
                                .content("The PIN code you entered is incorrect. Please try again.")
                                .cancelable(true)
                                .canceledOnTouchOutside(true)
                                .positiveText("Ok")
                                .autoDismiss(true)
                                .show()
                        pin_lock_view.resetPinLockView()
                    }
                }

                override fun onPinChange(pinLength: Int, intermediatePin: String?) {}
            })
        }
    }

    @SuppressLint("NewApi")
    override fun onAttach(view: View) {
        super.onAttach(view)

        with(view) {
            //Fingerprint
            if (presenter.useFingerprint) {
                swirl_container.removeAllViews()
                val icon = SwirlView(context).apply {
                    val size = dpToPx(context, 60)
                    layoutParams = (layoutParams ?: ViewGroup.LayoutParams(
                            size, size
                    )).apply {
                        width = size
                        height = size

                        val pSize = dpToPx(context, 8)
                        setPadding(pSize, pSize, pSize, pSize)
                    }
                    val lockColor = resolvColor(android.R.attr.windowBackground)
                    setBackgroundColor(lockColor)
                    val bgColor = resolvColor(android.R.attr.colorBackground)
                    //Disable elevation if lock color is same as background color
                    if (lockColor == bgColor)
                        this@with.swirl_container.cardElevation = 0f
                    setState(SwirlView.State.OFF, true)
                }
                swirl_container.addView(icon)
                icon.setState(SwirlView.State.ON)
                RxReprint.authenticate()
                        .subscribeUntilDetach {
                            when (it.status) {
                                AuthenticationResult.Status.SUCCESS -> closeLock()
                                AuthenticationResult.Status.NONFATAL_FAILURE -> icon.setState(SwirlView.State.ERROR)
                                AuthenticationResult.Status.FATAL_FAILURE, null -> {
                                    MaterialDialog.Builder(context)
                                            .title("Fingerprint error!")
                                            .content(it.errorMessage)
                                            .cancelable(false)
                                            .canceledOnTouchOutside(false)
                                            .positiveText("Ok")
                                            .autoDismiss(true)
                                            .show()
                                    icon.setState(SwirlView.State.OFF)
                                }
                            }
                        }
            }
        }
    }

    private fun resolvColor(color: Int): Int {
        val typedVal = TypedValue()
        activity!!.theme!!.resolveAttribute(android.R.attr.windowBackground, typedVal, true)
        return typedVal.data
    }

    override fun onDetach(view: View) {
        super.onDetach(view)
    }

    fun closeLock() {
        router.popCurrentController()
    }

    override fun handleBack() = true
}