using Xunit;
using YZWater.Core.Models;
using YZWater.Core.Services;

namespace YZWater.Core.Tests.Services;

/// <summary>
/// 自动控制服务集成测试
/// 使用 MockPlcService 模拟 PLC 数据
/// </summary>
public class AutoControlIntegrationTests
{
    [Fact]
    public void AutoControlService_ShouldBeCreated()
    {
        var service = AutoControlService.Instance;
        Assert.NotNull(service);
    }

    [Fact]
    public void AutoControlService_DefaultSettings()
    {
        var service = AutoControlService.Instance;
        Assert.True(service.IsEnabled);
        Assert.Equal(60, service.MinIntervalSeconds);
        Assert.Equal(3, service.StartDelaySeconds);
        Assert.Equal(5, service.StopDelaySeconds);
        Assert.True(service.EnablePumpRotation);
    }

    [Fact]
    public void AutoControlService_CanToggleEnabled()
    {
        var service = AutoControlService.Instance;
        var original = service.IsEnabled;

        service.IsEnabled = false;
        Assert.False(service.IsEnabled);

        service.IsEnabled = original;
    }

    [Fact]
    public void MockPlcService_ShouldBeToggleable()
    {
        var wasEnabled = MockPlcService.IsEnabled;

        MockPlcService.Enable();
        Assert.True(MockPlcService.IsEnabled);

        // Note: MockPlcService 没有 Disable 方法，只能 Enable
        // Restore original state if needed
    }

    [Fact]
    public void MockPlcService_ShouldGenerateData()
    {
        MockPlcService.Enable();

        var data = new PlcDataModel();
        MockPlcService.UpdateData(data);

        // Mock 模式应生成模拟数据
        Assert.True(data.IsDataValid || data.LastReadTime > DateTime.MinValue);
    }
}