using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

namespace TeamAAS_VP.Core.Lights
{
    public class KCSLightChannel : ILightChannel
    {
        private readonly KCSLightController _controller;
        private int _brightness;
        private bool _isOn;

        public int ChannelIndex { get; }
        public string ChannelName { get; set; }
        public int Brightness => _brightness;
        public bool IsOn => _isOn;

        internal int CurrentBrightness => _brightness;

        public KCSLightChannel(int index, KCSLightController controller)
        {
            ChannelIndex = index;
            ChannelName = $"Channel {index + 1}";
            _controller = controller;
        }

        public async Task<bool> SetBrightnessAsync(int brightness)
        {
            if (brightness < 0 || brightness > 255)
                throw new ArgumentOutOfRangeException(nameof(brightness));

            var result = await _controller.SetChannelBrightnessInternal(ChannelIndex, brightness);
            if (result)
            {
                _brightness = brightness;
                _isOn = brightness > 0;
            }
            return result;
        }

        public async Task<bool> TurnOnAsync()
        {
            return await SetBrightnessAsync(_brightness > 0 ? _brightness : 100);
        }

        public async Task<bool> TurnOffAsync()
        {
            return await SetBrightnessAsync(0);
        }

        public async Task<int> GetBrightnessAsync()
        {
            _brightness = await _controller.GetChannelBrightnessInternal(ChannelIndex);
            _isOn = _brightness > 0;
            return _brightness;
        }

        public async Task<bool> GetStatusAsync()
        {
            await GetBrightnessAsync();
            return _isOn;
        }
    }
}