using Avalonia;
using Avalonia.Controls;
using Avalonia.Input;
using Ursa.Common;
using Ursa.Controls.Options;

namespace Ursa.Controls;

public static class Drawer
{
    public static void Show<TView, TViewModel>(TViewModel vm, string? hostId = null, DrawerOptions? options = null)
        where TView : Control, new()
    {
        var host = OverlayDialogManager.GetHost(hostId, options?.TopLevelHashCode);
        if (host is null) return;
        var drawer = new DefaultDrawerControl
        {
            Content = new TView(),
            DataContext = vm
        };
        ConfigureDefaultDrawer(drawer, options);
        host.AddDrawer(drawer);
    }

    public static void Show(Control control, object? vm, string? hostId = null,
        DrawerOptions? options = null)
    {
        var host = OverlayDialogManager.GetHost(hostId, options?.TopLevelHashCode);
        if (host is null) return;
        var drawer = new DefaultDrawerControl
        {
            Content = control,
            DataContext = vm
        };
        ConfigureDefaultDrawer(drawer, options);
        host.AddDrawer(drawer);
    }

    public static void Show(object? vm, string? hostId = null, DrawerOptions? options = null)
    {
        var host = OverlayDialogManager.GetHost(hostId, options?.TopLevelHashCode);
        if (host is null) return;
        var view = host.GetDataTemplate(vm)?.Build(vm);
        if (view is null) view = new ContentControl { Padding = new Thickness(24) };
        view.DataContext = vm;
        var drawer = new DefaultDrawerControl
        {
            Content = view,
            DataContext = vm
        };
        ConfigureDefaultDrawer(drawer, options);
        host.AddDrawer(drawer);
    }

    public static Task<DialogResult> ShowModal<TView, TViewModel>(TViewModel vm, string? hostId = null,
        DrawerOptions? options = null)
        where TView : Control, new()
    {
        var host = OverlayDialogManager.GetHost(hostId, options?.TopLevelHashCode);
        if (host is null) return Task.FromResult(DialogResult.None);
        var drawer = new DefaultDrawerControl
        {
            Content = new TView(),
            DataContext = vm,
            [KeyboardNavigation.TabNavigationProperty] = KeyboardNavigationMode.Cycle
        };
        ConfigureDefaultDrawer(drawer, options);
        host.AddModalDrawer(drawer);
        return drawer.ShowAsync<DialogResult>();
    }

    public static Task<DialogResult> ShowModal(Control control, object? vm, string? hostId = null,
        DrawerOptions? options = null)
    {
        var host = OverlayDialogManager.GetHost(hostId, options?.TopLevelHashCode);
        if (host is null) return Task.FromResult(DialogResult.None);
        var drawer = new DefaultDrawerControl
        {
            Content = control,
            DataContext = vm,
            [KeyboardNavigation.TabNavigationProperty] = KeyboardNavigationMode.Cycle
        };
        ConfigureDefaultDrawer(drawer, options);
        host.AddModalDrawer(drawer);
        return drawer.ShowAsync<DialogResult>();
    }

    public static Task<DialogResult> ShowModal(object? vm, string? hostId = null, DrawerOptions? options = null)
    {
        var host = OverlayDialogManager.GetHost(hostId, options?.TopLevelHashCode);
        if (host is null) return Task.FromResult(DialogResult.None);
        var view = host.GetDataTemplate(vm)?.Build(vm);
        if (view is null) view = new ContentControl { Padding = new Thickness(24) };
        view.DataContext = vm;
        var drawer = new DefaultDrawerControl
        {
            Content = view,
            DataContext = vm,
            [KeyboardNavigation.TabNavigationProperty] = KeyboardNavigationMode.Cycle
        };
        ConfigureDefaultDrawer(drawer, options);
        host.AddModalDrawer(drawer);
        return drawer.ShowAsync<DialogResult>();
    }

    public static void ShowCustom<TView, TViewModel>(TViewModel vm, string? hostId = null,
        DrawerOptions? options = null)
        where TView : Control, new()
    {
        var host = OverlayDialogManager.GetHost(hostId, options?.TopLevelHashCode);
        if (host is null) return;
        var dialog = new CustomDrawerControl
        {
            Content = new TView(),
            DataContext = vm
        };
        ConfigureCustomDrawer(dialog, options);
        host.AddDrawer(dialog);
    }

    public static void ShowCustom(Control control, object? vm, string? hostId = null, DrawerOptions? options = null)
    {
        var host = OverlayDialogManager.GetHost(hostId, options?.TopLevelHashCode);
        if (host is null) return;
        var dialog = new CustomDrawerControl
        {
            Content = control,
            DataContext = vm
        };
        ConfigureCustomDrawer(dialog, options);
        host.AddDrawer(dialog);
    }

    public static void ShowCustom(object? vm, string? hostId = null, DrawerOptions? options = null)
    {
        var host = OverlayDialogManager.GetHost(hostId, options?.TopLevelHashCode);
        if (host is null) return;
        var view = host.GetDataTemplate(vm)?.Build(vm);
        if (view is null) view = new ContentControl { Padding = new Thickness(24) };
        view.DataContext = vm;
        var dialog = new CustomDrawerControl
        {
            Content = view,
            DataContext = vm
        };
        ConfigureCustomDrawer(dialog, options);
        host.AddDrawer(dialog);
    }

    public static Task<TResult?> ShowCustomModal<TView, TViewModel, TResult>(TViewModel vm, string? hostId = null,
        DrawerOptions? options = null)
        where TView : Control, new()
    {
        var host = OverlayDialogManager.GetHost(hostId, options?.TopLevelHashCode);
        if (host is null) return Task.FromResult<TResult?>(default);
        var dialog = new CustomDrawerControl
        {
            Content = new TView(),
            DataContext = vm,
            [KeyboardNavigation.TabNavigationProperty] = KeyboardNavigationMode.Cycle
        };
        ConfigureCustomDrawer(dialog, options);
        host.AddModalDrawer(dialog);
        return dialog.ShowAsync<TResult?>();
    }

    public static Task<TResult?> ShowCustomModal<TResult>(Control control, object? vm, string? hostId = null,
        DrawerOptions? options = null)
    {
        var host = OverlayDialogManager.GetHost(hostId, options?.TopLevelHashCode);
        if (host is null) return Task.FromResult<TResult?>(default);
        var dialog = new CustomDrawerControl
        {
            Content = control,
            DataContext = vm,
            [KeyboardNavigation.TabNavigationProperty] = KeyboardNavigationMode.Cycle
        };
        ConfigureCustomDrawer(dialog, options);
        host.AddModalDrawer(dialog);
        return dialog.ShowAsync<TResult?>();
    }

    public static Task<TResult?> ShowCustomModal<TResult>(object? vm, string? hostId = null,
        DrawerOptions? options = null)
    {
        var host = OverlayDialogManager.GetHost(hostId, options?.TopLevelHashCode);
        if (host is null) return Task.FromResult<TResult?>(default);
        var view = host.GetDataTemplate(vm)?.Build(vm);
        if (view is null) view = new ContentControl { Padding = new Thickness(24) };
        view.DataContext = vm;
        var dialog = new CustomDrawerControl
        {
            Content = view,
            DataContext = vm,
            [KeyboardNavigation.TabNavigationProperty] = KeyboardNavigationMode.Cycle
        };
        ConfigureCustomDrawer(dialog, options);
        host.AddModalDrawer(dialog);
        return dialog.ShowAsync<TResult?>();
    }

    private static void ConfigureCustomDrawer(CustomDrawerControl drawer, DrawerOptions? options)
    {
        options ??= DrawerOptions.Default;
        drawer.Position = options.Position;
        drawer.IsCloseButtonVisible = options.IsCloseButtonVisible;
        drawer.CanLightDismiss = options.CanLightDismiss;
        if (options.Position == Position.Left || options.Position == Position.Right)
        {
            drawer.MinWidth = options.MinWidth ?? 0.0;
            drawer.MaxWidth = options.MaxWidth ?? double.PositiveInfinity;
        }

        if (options.Position is Position.Top or Position.Bottom)
        {
            drawer.MinHeight = options.MinHeight ?? 0.0;
            drawer.MaxHeight = options.MaxHeight ?? double.PositiveInfinity;
        }
    }

    private static void ConfigureDefaultDrawer(DefaultDrawerControl drawer, DrawerOptions? options)
    {
        options ??= DrawerOptions.Default;
        drawer.Position = options.Position;
        drawer.IsCloseButtonVisible = options.IsCloseButtonVisible;
        drawer.CanLightDismiss = options.CanLightDismiss;
        drawer.Buttons = options.Buttons;
        drawer.Title = options.Title;
        if (options.Position == Position.Left || options.Position == Position.Right)
        {
            drawer.MinWidth = options.MinWidth ?? 0.0;
            drawer.MaxWidth = options.MaxWidth ?? double.PositiveInfinity;
        }

        if (options.Position is Position.Top or Position.Bottom)
        {
            drawer.MinHeight = options.MinHeight ?? 0.0;
            drawer.MaxHeight = options.MaxHeight ?? double.PositiveInfinity;
        }
    }
}