using System;
using System.Windows;
using System.Windows.Media;
using Xunit;
using ytLive.Services;

namespace ytLive.Tests;

/// <summary>
/// TASK 24: the pure severity → request mapping behind the toast service.
/// Errors must never auto-expire (sticky until dismissed); the rest get short
/// lifetimes; everything routes to the in-window ToastArea.
/// </summary>
public class NotificationServiceTests
{
    [Theory]
    [InlineData(AppNotificationSeverity.Info, 4)]
    [InlineData(AppNotificationSeverity.Success, 4)]
    [InlineData(AppNotificationSeverity.Warning, 8)]
    public void Transient_Severities_Expire_With_Scheduled_Lifetimes(AppNotificationSeverity severity, double expectedSeconds)
    {
        var request = NotificationService.BuildRequest("Title", "Body", severity);

        Assert.Equal("ToastArea", request.AreaName);
        Assert.NotNull(request.ExpirationTime);
        Assert.Equal(TimeSpan.FromSeconds(expectedSeconds), request.ExpirationTime);
    }

    [Fact]
    public void Errors_Never_Expire_And_Route_To_The_Toast_Area()
    {
        var request = NotificationService.BuildRequest("Title", "Body", AppNotificationSeverity.Error);

        Assert.Equal("ToastArea", request.AreaName);
        Assert.Equal(TimeSpan.MaxValue, request.ExpirationTime);
    }

    [Theory]
    [InlineData(AppNotificationSeverity.Info, "#3a3b52")]
    [InlineData(AppNotificationSeverity.Success, "#1d5c38")]
    [InlineData(AppNotificationSeverity.Warning, "#b8860b")]
    [InlineData(AppNotificationSeverity.Error, "#8f1f1f")]
    public void Severities_Map_To_Dark_Card_Tints(AppNotificationSeverity severity, string expectedHex)
    {
        var request = NotificationService.BuildRequest("Title", "Body", severity);

        Assert.Equal(expectedHex.ToLowerInvariant()[^6..], request.BackgroundColor!.Value.ToHex().ToLowerInvariant()[^6..]);
    }
}