zcash-android-wallet-zcon1/zcash-android-wallet-app/app/src/main/java/cash/z/android/wallet/ui/fragment/HomeFragment.kt

package cash.z.android.wallet.ui.fragment

import android.app.Activity
import android.os.Bundle
import android.view.LayoutInflater
import android.view.View
import android.view.ViewGroup
import androidx.annotation.ColorRes
import androidx.annotation.DrawableRes
import androidx.annotation.IdRes
import androidx.annotation.StringRes
import androidx.constraintlayout.motion.widget.MotionLayout
import cash.z.android.wallet.R
import cash.z.android.wallet.extention.toAppColor
import cash.z.android.wallet.extention.toAppString
import cash.z.android.wallet.ui.activity.MainActivity
import cash.z.wallet.sdk.jni.JniConverter
import com.leinardi.android.speeddial.SpeedDialActionItem
import dagger.Module
import dagger.android.ContributesAndroidInjector
import kotlinx.android.synthetic.main.fragment_home.*

/**
 * Fragment representing the home screen of the app. This is the screen most often seen by the user when launching the
 * application.
 */
class HomeFragment : BaseFragment() {
    // TODO: remove this test object. it is currently just used to exercise the rust code
    var converter: JniConverter = JniConverter()

    override fun onCreateView(
        inflater: LayoutInflater, container: ViewGroup?,
        savedInstanceState: Bundle?
    ): View? {
        // Inflate the layout for this fragment
        return inflater.inflate(R.layout.fragment_home, container, false)
    }

    override fun onViewCreated(view: View, savedInstanceState: Bundle?) {
        super.onViewCreated(view, savedInstanceState)
        (activity as MainActivity).let { mainActivity ->
            mainActivity.setSupportActionBar(toolbar)
            mainActivity.setupNavigation()
            mainActivity.supportActionBar?.setTitle(R.string.destination_title_home)
        }

//        (view as MotionLayout).setShowPaths(true)
    }

    override fun onActivityCreated(savedInstanceState: Bundle?) {
        super.onActivityCreated(savedInstanceState)
        initFab(activity!!)
    }

    /**
     * Initialize the Fab button and all its action items
     *
     * @param activity a helper parameter that forces this method to be called after the activity is created and not null
     */
    private fun initFab(activity: Activity) {
        val speedDial = sd_fab
        val nav = (activity as MainActivity).navController

        HomeFab.values().forEach {
            speedDial.addActionItem(it.createItem())
        }

        speedDial.setOnActionSelectedListener { item ->
            HomeFab.fromId(item.id)?.destination?.apply { nav.navigate(this) }
            false
        }
    }

    private val createItem: HomeFab.() -> SpeedDialActionItem = {
        SpeedDialActionItem.Builder(id, icon)
            .setFabBackgroundColor(bgColor.toAppColor())
            .setFabImageTintColor(R.color.zcashWhite.toAppColor())
            .setLabel(label.toAppString())
            .setLabelClickable(true)
            .create()
    }

    /**
     * Defines the basic properties of each FAB button for use while initializing the FAB
     */
    enum class HomeFab(
        @IdRes val id:Int,
        @DrawableRes val icon:Int,
        @ColorRes val bgColor:Int,
        @StringRes val label:Int,
        @IdRes val destination:Int
    ) {
        /* ordered by when they need to be added to the speed dial (i.e. reverse display order) */
        REQUEST(
            R.id.fab_request,
            R.drawable.ic_receipt_24dp,
            R.color.icon_request,
            R.string.destination_menu_label_request,
            R.id.nav_request_fragment
        ),
        RECEIVE(
            R.id.fab_receive,
            R.drawable.ic_qrcode_24dp,
            R.color.icon_receive,
            R.string.destination_menu_label_receive,
            R.id.nav_receive_fragment
        ),
        SEND(
            R.id.fab_send,
            R.drawable.ic_menu_send,
            R.color.icon_send,
            R.string.destination_menu_label_send,
            R.id.nav_send_fragment
        );

        companion object {
            fun fromId(id: Int): HomeFab? = values().firstOrNull { it.id == id }
        }
    }

}

@Module
abstract class HomeFragmentModule {
    @ContributesAndroidInjector
    abstract fun contributeHomeFragment(): HomeFragment
}