using System;
using System.Windows;
using System.Windows.Controls;
using System.Windows.Media;

namespace RJ2RoomConSimulator
{
    // VSP(테스트 모드) 프리셋 조회/설정 팝업.
    //  select 코드(펌웨어 My_RJ2.c) : 1~4 환기1~4 / 5 바이패스 / 6~9 공청1~4 (공청은 EA 미사용)
    public partial class VspWindow : Window
    {
        readonly RoomConProtocol _proto;

        // 프리셋 행 정의 : (select, 라벨, EA 사용여부)
        static readonly (byte sel, string label, bool hasEa)[] Defs =
        {
            (1,"환기 1단",true),(2,"환기 2단",true),(3,"환기 3단",true),(4,"환기 4단",true),
            (5,"바이패스",true),
            (6,"공청 1단",false),(7,"공청 2단",false),(8,"공청 3단",false),(9,"공청 4단",false),
        };
        readonly TextBox[] _sa = new TextBox[10];   // index = select
        readonly TextBox[] _ea = new TextBox[10];

        static Brush Br(string h) => (Brush)new BrushConverter().ConvertFromString(h)!;
        static readonly Brush CardBg = Br("#313147");
        static readonly Brush Border = Br("#3B3B55");
        static readonly Brush TextPri = Br("#C0CAF5");

        public VspWindow(RoomConProtocol proto)
        {
            InitializeComponent();
            _proto = proto;
            BuildRows();
            _proto.ResponseReceived += OnResponse;
            Closed += (_, _) => _proto.ResponseReceived -= OnResponse;
        }

        void BuildRows()
        {
            foreach (var d in Defs)
            {
                var g = new Grid { Margin = new Thickness(0, 2, 0, 2) };
                g.ColumnDefinitions.Add(new ColumnDefinition { Width = new GridLength(90) });
                g.ColumnDefinitions.Add(new ColumnDefinition { Width = new GridLength(70) });
                g.ColumnDefinitions.Add(new ColumnDefinition { Width = new GridLength(70) });
                g.ColumnDefinitions.Add(new ColumnDefinition { Width = new GridLength(70) });

                var lab = new TextBlock { Text = d.label, FontSize = 12, Foreground = TextPri, VerticalAlignment = VerticalAlignment.Center };
                Grid.SetColumn(lab, 0); g.Children.Add(lab);

                var sa = MakeBox(); Grid.SetColumn(sa, 1); g.Children.Add(sa); _sa[d.sel] = sa;
                var ea = MakeBox(); ea.IsEnabled = d.hasEa; Grid.SetColumn(ea, 2); g.Children.Add(ea); _ea[d.sel] = ea;

                byte sel = d.sel;
                var btn = new Button { Content = "설정", Padding = new Thickness(10, 3, 10, 3), FontSize = 11, Margin = new Thickness(4, 0, 0, 0),
                                       Style = (Style)FindResource("ModernButton"), Background = CardBg };
                btn.Click += (_, _) => SetRow(sel);
                Grid.SetColumn(btn, 3); g.Children.Add(btn);

                RowsPanel.Children.Add(g);
            }
        }

        TextBox MakeBox() => new()
        {
            Width = 60, Margin = new Thickness(2, 0, 2, 0), Padding = new Thickness(3, 2, 3, 2),
            TextAlignment = TextAlignment.Center, FontSize = 12, Text = "0",
            Background = CardBg, Foreground = TextPri, BorderBrush = Border, BorderThickness = new Thickness(1),
        };

        void SetRow(byte sel)
        {
            byte sa = ParseByte(_sa[sel].Text);
            byte ea = _ea[sel].IsEnabled ? ParseByte(_ea[sel].Text) : (byte)0;
            _proto.SendVsp(sel, sa, ea);
        }
        static byte ParseByte(string s) { int.TryParse(s, out var v); return (byte)(v < 0 ? 0 : v > 255 ? 255 : v); }

        void QueryVent_Click(object s, RoutedEventArgs e) => _proto.SendRestart1();
        void QueryBypassAir_Click(object s, RoutedEventArgs e) => _proto.SendRestart2();
        void Exit_Click(object s, RoutedEventArgs e) => _proto.SendExit();
        void Close_Click(object s, RoutedEventArgs e) => Close();

        // 조회 응답 수신 → 표 갱신
        void OnResponse(byte cmd)
        {
            Dispatcher.Invoke(() =>
            {
                if (cmd == RoomConProtocol.CMD_RESTART1)
                {
                    for (int i = 1; i <= 4; i++) { _sa[i].Text = _proto.VentSa[i].ToString(); _ea[i].Text = _proto.VentEa[i].ToString(); }
                }
                else if (cmd == RoomConProtocol.CMD_RESTART2)
                {
                    _sa[5].Text = _proto.BypassSa[1].ToString(); _ea[5].Text = _proto.BypassEa[1].ToString();
                    for (int i = 1; i <= 4; i++) { _sa[5 + i].Text = _proto.AirSa[i].ToString(); _ea[5 + i].Text = "0"; }
                }
            });
        }
    }
}