komikku/app/src/main/java/exh/debug/SettingsDebugController.kt

package exh.debug

import android.annotation.SuppressLint
import android.support.v7.preference.PreferenceScreen
import android.util.Log
import android.widget.HorizontalScrollView
import android.widget.TextView
import com.afollestad.materialdialogs.MaterialDialog
import eu.kanade.tachiyomi.ui.setting.SettingsController
import eu.kanade.tachiyomi.ui.setting.onClick
import eu.kanade.tachiyomi.ui.setting.preference
import kotlin.reflect.KVisibility
import kotlin.reflect.full.declaredFunctions

class SettingsDebugController : SettingsController() {
    @SuppressLint("SetTextI18n")
    override fun setupPreferenceScreen(screen: PreferenceScreen) = with(screen) {
        title = "DEBUG MENU"

        DebugFunctions::class.declaredFunctions.filter {
            it.visibility == KVisibility.PUBLIC
        }.forEach {
            preference {
                title = it.name.replace(Regex("(.)(\\p{Upper})"), "$1 $2").toLowerCase().capitalize()
                isPersistent = false

                onClick {
                    val view = TextView(context)
                    view.setHorizontallyScrolling(true)
                    view.setTextIsSelectable(true)

                    val hView = HorizontalScrollView(context)
                    hView.addView(view)

                    try {
                        val result = it.call(DebugFunctions)
                        view.text = "Function returned result:\n\n$result"
                        MaterialDialog.Builder(context)
                                .customView(hView, true)
                    } catch(t: Throwable) {
                        view.text = "Function threw exception:\n\n${Log.getStackTraceString(t)}"
                        MaterialDialog.Builder(context)
                                .customView(hView, true)
                    }.show()
                }
            }
        }
    }
}