using System.Windows;
using System.Windows.Controls;
using System.Windows.Input;
using System.Windows.Media;
using AutoShutdown.Models;
using AutoShutdown.Services;
using WpfBrush = System.Windows.Media.Brush;
using WpfBrushes = System.Windows.Media.Brushes;
using WpfButton = System.Windows.Controls.Button;
using WpfCursors = System.Windows.Input.Cursors;
using WpfFontFamily = System.Windows.Media.FontFamily;
using WpfOrientation = System.Windows.Controls.Orientation;
using WpfRadioButton = System.Windows.Controls.RadioButton;
using WpfTextBox = System.Windows.Controls.TextBox;

namespace AutoShutdown;

internal sealed class NotificationSettingsWindow : Window
{
    private readonly NotificationService _notificationService;
    private readonly WpfRadioButton _localMode = new() { Content = "软件本身" };
    private readonly WpfRadioButton _omniNotifyMode = new() { Content = "OmniNotify" };
    private readonly WpfTextBox _endpoint = new();
    private readonly WpfTextBox _channel = new();
    private readonly TextBlock _status = new();

    public NotificationSettings Settings { get; private set; }

    public NotificationSettingsWindow(NotificationSettings settings, NotificationService notificationService)
    {
        _notificationService = notificationService;
        Settings = new NotificationSettings
        {
            Mode = settings.Mode,
            OmniNotifyEndpoint = settings.OmniNotifyEndpoint,
            Channel = settings.Channel
        };

        Title = "OmniNotify 适配设置";
        Width = 640;
        SizeToContent = SizeToContent.Height;
        MinWidth = 640;
        MaxWidth = 640;
        WindowStartupLocation = WindowStartupLocation.CenterOwner;
        ResizeMode = ResizeMode.NoResize;
        Background = BrushFrom("#F6F8FC");
        FontFamily = new WpfFontFamily("Microsoft YaHei UI");
        FontSize = 14;

        Content = BuildContent();
        LoadSettings();
    }

    private UIElement BuildContent()
    {
        var host = new Grid
        {
            Background = BrushFrom("#F6F8FC")
        };

        var root = new Border
        {
            Background = BrushFrom("#FFFFFF"),
            CornerRadius = new CornerRadius(12),
            Padding = new Thickness(26),
            Margin = new Thickness(22)
        };

        var stack = new StackPanel();
        root.Child = stack;

        stack.Children.Add(new TextBlock
        {
            Text = "通知方式",
            FontSize = 22,
            FontWeight = FontWeights.Bold,
            Foreground = BrushFrom("#111827")
        });

        stack.Children.Add(new TextBlock
        {
            Text = "选择提示由 AutoShutdown 弹窗显示，或发送给本机 OmniNotify。",
            Margin = new Thickness(0, 4, 0, 20),
            Foreground = BrushFrom("#64748B"),
            TextWrapping = TextWrapping.Wrap
        });

        stack.Children.Add(MakeLabel("提示模式"));
        var modeRow = new StackPanel { Orientation = WpfOrientation.Horizontal, Margin = new Thickness(0, 8, 0, 18) };
        StyleRadio(_localMode);
        StyleRadio(_omniNotifyMode);
        _localMode.Margin = new Thickness(0, 0, 22, 0);
        modeRow.Children.Add(_localMode);
        modeRow.Children.Add(_omniNotifyMode);
        stack.Children.Add(modeRow);

        stack.Children.Add(MakeLabel("监听地址"));
        StyleInput(_endpoint, 536);
        _endpoint.Margin = new Thickness(0, 8, 0, 14);
        stack.Children.Add(_endpoint);

        stack.Children.Add(MakeLabel("频道名"));
        StyleInput(_channel, 260);
        _channel.Margin = new Thickness(0, 8, 0, 12);
        stack.Children.Add(_channel);

        _status.Text = "OmniNotify 模式需要先在 OmniNotify 中创建对应频道。";
        _status.Foreground = BrushFrom("#64748B");
        _status.TextWrapping = TextWrapping.Wrap;
        _status.Margin = new Thickness(0, 0, 0, 20);
        stack.Children.Add(_status);

        var buttons = new StackPanel
        {
            Orientation = WpfOrientation.Horizontal,
            HorizontalAlignment = System.Windows.HorizontalAlignment.Right
        };
        var test = MakeButton("测试发送", BrushFrom("#475569"));
        test.Click += async (_, _) => await TestAsync();
        var cancel = MakeButton("取消", BrushFrom("#64748B"));
        cancel.Click += (_, _) => DialogResult = false;
        var save = MakeButton("保存", BrushFrom("#2563EB"));
        save.Click += (_, _) => SaveAndClose();
        buttons.Children.Add(test);
        buttons.Children.Add(cancel);
        buttons.Children.Add(save);
        stack.Children.Add(buttons);

        host.Children.Add(root);
        return host;
    }

    private void LoadSettings()
    {
        _localMode.IsChecked = Settings.Mode == NotificationMode.Local;
        _omniNotifyMode.IsChecked = Settings.Mode == NotificationMode.OmniNotify;
        _endpoint.Text = Settings.OmniNotifyEndpoint;
        _channel.Text = Settings.Channel;
    }

    private async Task TestAsync()
    {
        var testSettings = ReadSettings();
        _status.Text = "正在发送测试消息...";
        _status.Foreground = BrushFrom("#64748B");
        var ok = await _notificationService.TestOmniNotifyAsync(testSettings);
        _status.Text = ok
            ? "测试消息已发送。"
            : "测试失败，请确认 OmniNotify 正在运行、监听地址正确，并且频道已创建。";
        _status.Foreground = ok ? BrushFrom("#008060") : BrushFrom("#DC2626");
    }

    private void SaveAndClose()
    {
        Settings = ReadSettings();
        DialogResult = true;
    }

    private NotificationSettings ReadSettings()
    {
        return new NotificationSettings
        {
            Mode = _omniNotifyMode.IsChecked == true ? NotificationMode.OmniNotify : NotificationMode.Local,
            OmniNotifyEndpoint = string.IsNullOrWhiteSpace(_endpoint.Text) ? "http://127.0.0.1:19845/notify" : _endpoint.Text.Trim(),
            Channel = string.IsNullOrWhiteSpace(_channel.Text) ? "default" : _channel.Text.Trim()
        };
    }

    private static TextBlock MakeLabel(string text)
    {
        return new TextBlock
        {
            Text = text,
            FontWeight = FontWeights.SemiBold,
            Foreground = BrushFrom("#111827")
        };
    }

    private static void StyleRadio(WpfRadioButton radio)
    {
        radio.Foreground = BrushFrom("#111827");
        radio.FontSize = 14;
        radio.Cursor = WpfCursors.Hand;
    }

    private static void StyleInput(WpfTextBox input, double width)
    {
        input.Height = 34;
        input.Width = width;
        input.HorizontalAlignment = System.Windows.HorizontalAlignment.Left;
        input.Padding = new Thickness(10, 5, 10, 5);
        input.BorderBrush = BrushFrom("#CBD5E1");
        input.BorderThickness = new Thickness(1);
        input.Background = WpfBrushes.White;
        input.Foreground = BrushFrom("#111827");
    }

    private static WpfButton MakeButton(string text, WpfBrush background)
    {
        var button = new WpfButton
        {
            Content = text,
            Height = 38,
            MinWidth = 92,
            Margin = new Thickness(10, 0, 0, 0),
            Padding = new Thickness(16, 0, 16, 0),
            Background = background,
            Foreground = WpfBrushes.White,
            BorderThickness = new Thickness(0),
            FontWeight = FontWeights.SemiBold,
            Cursor = WpfCursors.Hand
        };
        return button;
    }

    private static WpfBrush BrushFrom(string hex)
    {
        return (WpfBrush)new BrushConverter().ConvertFromString(hex)!;
    }
}