//

// Display.swift

// MonitorControl

//

// Created by Joni Van Roost on 24/01/2020.

// Copyright © 2020 Guillaume Broder. All rights reserved.

//

import DDC

import Foundation

import os.log

private enum OSDImage: Int64 {

case brightness = 1

case audioSpeaker = 3

case audioSpeakerMuted = 4

}

class Display {

internal let identifier: CGDirectDisplayID

internal let name: String

internal var vendorNumber: UInt32?

internal var modelNumber: UInt32?

internal var isEnabled: Bool {

get {

return self.prefs.object(forKey: "\(self.identifier)-state") as? Bool ?? true

}

set {

self.prefs.set(newValue, forKey: "\(self.identifier)-state")

}

}

private let prefs = UserDefaults.standard

internal init(_ identifier: CGDirectDisplayID, name: String, vendorNumber: UInt32?, modelNumber: UInt32?) {

self.identifier = identifier

self.name = name

self.vendorNumber = vendorNumber

self.modelNumber = modelNumber

}

func stepBrightness(isUp _: Bool, isSmallIncrement _: Bool) {}

func setFriendlyName(_ value: String) {

self.prefs.set(value, forKey: "friendlyName-\(self.identifier)")

}

func getFriendlyName() -> String {

return self.prefs.string(forKey: "friendlyName-\(self.identifier)") ?? self.name

}

func showOsd(command: DDC.Command, value: Int, maxValue: Int = 100, roundChiclet: Bool = false) {

guard let manager = OSDManager.sharedManager() as? OSDManager else {

return

}

var osdImage: OSDImage

switch command {

case .audioSpeakerVolume:

osdImage = value > 0 ? .audioSpeaker : .audioSpeakerMuted

case .audioMuteScreenBlank:

osdImage = .audioSpeakerMuted

default:

osdImage = .brightness

}

let filledChiclets: Int

let totalChiclets: Int

if roundChiclet {

let osdChiclet = OSDUtils.chiclet(fromValue: Float(value), maxValue: Float(maxValue))

filledChiclets = Int(round(osdChiclet))

totalChiclets = 16

} else {

filledChiclets = value

totalChiclets = maxValue

}

manager.showImage(osdImage.rawValue,

onDisplayID: self.identifier,

priority: 0x1F4,

msecUntilFade: 1000,

filledChiclets: UInt32(filledChiclets),

totalChiclets: UInt32(totalChiclets),

locked: false)

}

}