namespace Gpulse.WCT.DataAnalyzer.Tests.Commands;

/// <summary>
/// PlossParser 直接单测：覆盖 commit eba1d20 引入的 Field1 十六进制解析
/// （0x 前缀与无前缀两种写法），该路径此前在 legacy 删除后零覆盖。
/// </summary>
[TestFixture]
public class PlossParserTests : CommandTestBase
{
    private Core.Application.Parsing.PlossParser _parser = default!;

    // NUnit 会先运行基类的 [SetUp]（创建 Host），再运行本方法
    [SetUp]
    public async Task InitParser()
    {
        await Task.CompletedTask;
        _parser = Host.Services.GetRequiredService<Core.Application.Parsing.PlossParser>();
    }

    [Test]
    public void Parse_HexField1_WithZeroPrefix_DecodesCorrectly()
    {
        // Field1 = "0C" → 十进制 12
        var dir = NewDir();
        var path = TestFixtures.WritePlossLog(dir, "hex-0C.dat",
            new TestFixtures.PlossTwoLineRow(Field1AsHex: "0C"));

        var lines = File.ReadAllLines(path);
        var result = _parser.ParseMultiLine(lines, Guid.Empty);

        Assert.Multiple(() =>
        {
            Assert.That(result, Is.Not.Null);
            Assert.That(result!.IsSuccess, Is.True);
            Assert.That(result.Record!.Field1, Is.EqualTo(12));
        });
    }

    [Test]
    public void Parse_HexField1_WithZeroXPrefix_DecodesCorrectly()
    {
        // Field1 = "0xFF" → 十进制 255
        var dir = NewDir();
        var path = TestFixtures.WritePlossLog(dir, "hex-0xFF.dat",
            new TestFixtures.PlossTwoLineRow(Field1AsHex: "0xFF"));

        var lines = File.ReadAllLines(path);
        var result = _parser.ParseMultiLine(lines, Guid.Empty);

        Assert.Multiple(() =>
        {
            Assert.That(result, Is.Not.Null);
            Assert.That(result!.IsSuccess, Is.True);
            Assert.That(result.Record!.Field1, Is.EqualTo(255));
        });
    }

    [Test]
    public void Parse_DecimalField1_DecodesCorrectly()
    {
        // Field1 普通十进制 → 原值
        var dir = NewDir();
        var path = TestFixtures.WritePlossLog(dir, "dec-42.dat",
            new TestFixtures.PlossTwoLineRow(Field1: 42));

        var lines = File.ReadAllLines(path);
        var result = _parser.ParseMultiLine(lines, Guid.Empty);

        Assert.Multiple(() =>
        {
            Assert.That(result, Is.Not.Null);
            Assert.That(result!.IsSuccess, Is.True);
            Assert.That(result.Record!.Field1, Is.EqualTo(42));
        });
    }
}