skyline/app/src/main/java/emu/skyline/input/onscreen/OnScreenConfiguration.kt

/*
 * SPDX-License-Identifier: MPL-2.0
 * Copyright © 2020 Skyline Team and Contributors (https://github.com/skyline-emu/)
 */

package emu.skyline.input.onscreen

import android.content.Context
import emu.skyline.input.ButtonId
import emu.skyline.utils.sharedPreferences

interface ControllerConfiguration {
    var opacity : Int
    var enabled : Boolean
    var globalScale : Float
    var relativeX : Float
    var relativeY : Float
}

/**
 * Dummy implementation so layout editor is able to render [OnScreenControllerView] when [android.view.View.isInEditMode] is true
 */
class ControllerConfigurationDummy(defaultRelativeX : Float, defaultRelativeY : Float) : ControllerConfiguration {
    override var opacity : Int = 100
    override var enabled = true
    override var globalScale = 1f
    override var relativeX = defaultRelativeX
    override var relativeY = defaultRelativeY
}

class ControllerConfigurationImpl(private val context : Context, private val buttonId : ButtonId, defaultRelativeX : Float, defaultRelativeY : Float) : ControllerConfiguration {
    private inline fun <reified T> config(default : T, prefix : String = "${buttonId.name}_") = sharedPreferences(context, default, prefix, "controller_config")

    override var opacity by config(100)
    override var enabled by config(true)
    override var globalScale by config(1.15f, "")
    override var relativeX by config(defaultRelativeX)
    override var relativeY by config(defaultRelativeY)
}