using SSPCTester.Logic.Models;
using SSPCTester.Logic.Testing;

namespace SSPCTester.Tests;

public sealed class ProtectTestTests
{
    [Fact]
    public async Task ProtectTest_EnsuresSixProtectionRowsAndRefreshesMeasuredValues()
    {
        var project = new Project();
        project.PowerResults.Add(new PowerLossRow
        {
            Vin = 28.193,
            Iin = 1.049,
            Status = TestStatus.Pass
        });

        var progress = new List<TestProgress>();
        var context = new TestContext(project, null!, null!, null!, null!);

        await new ProtectTest().RunAsync(context, new InlineProgress(progress.Add), CancellationToken.None);

        Assert.Equal(6, project.ProtectResults.Count);
        Assert.Collection(project.ProtectResults,
            row => AssertProtection(row, 1, "跳闸", "1.5×额定电流", "1.049 A"),
            row => AssertProtection(row, 2, "短路", "输出短路", "----"),
            row => AssertProtection(row, 3, "过温", "≥85℃", "----"),
            row => AssertProtection(row, 4, "过压", "≥32V", "28.193 V"),
            row => AssertProtection(row, 5, "欠压", "≤22V", "28.193 V"),
            row => AssertProtection(row, 6, "限流", "≥1.2A", "1.049 A"));
        Assert.All(project.ProtectResults, row => Assert.Equal(TestStatus.Untested, row.Status));
        Assert.Contains(progress, x => x.ModuleName == ProtectTest.ModuleName);
    }

    [Fact]
    public async Task ProtectTest_PreservesEditedTriggerAndMeasuredValue()
    {
        var project = new Project();
        project.ProtectResults.Add(new ProtectRow
        {
            ProtectType = "跳闸",
            Trigger = "用户触发条件",
            MeasuredValue = "1.234 A",
            JudgeMode = ProtectTestPlan.ManualJudgeMode,
            Status = TestStatus.Pass
        });

        var context = new TestContext(project, null!, null!, null!, null!);

        await new ProtectTest().RunAsync(context, new InlineProgress(_ => { }), CancellationToken.None);

        var trip = project.ProtectResults.Single(x => x.ProtectType == "跳闸");
        Assert.Equal("用户触发条件", trip.Trigger);
        Assert.Equal("1.234 A", trip.MeasuredValue);
        Assert.Equal(TestStatus.Pass, trip.Status);
    }

    private static void AssertProtection(ProtectRow row, int index, string type, string trigger, string measured)
    {
        Assert.Equal(index, row.Index);
        Assert.Equal(type, row.ProtectType);
        Assert.Equal(trigger, row.Trigger);
        Assert.Equal(measured, row.MeasuredValue);
        Assert.Equal(ProtectTestPlan.ManualJudgeMode, row.JudgeMode);
    }

    private sealed class InlineProgress(Action<TestProgress> handler) : IProgress<TestProgress>
    {
        public void Report(TestProgress value) => handler(value);
    }
}