using Xunit;
using leak_test_project.Utils;
using leak_test_project.Models;

namespace leak_test_project.Tests.Utils
{
    public class SentinelParserTests
    {
        [Theory]
        [InlineData("AABB010\tH\tLR 0.123456 sccm", 'H', "LR 0.123456 sccm")]
        [InlineData("AABB010 H LR 0.123456 sccm", 'H', "LR 0.123456 sccm")]
        public void ExtractBody_ValidInput_ShouldExtractCorrectBodyAndTypeCode(string input, char expectedType, string expectedBody)
        {
            // Act
            string resultBody = SentinelParser.ExtractBody(input, out char resultType);

            // Assert
            Assert.Equal(expectedType, resultType);
            Assert.Equal(expectedBody, resultBody);
        }

        [Fact]
        public void ParseStreamingValue_ValidInput_ShouldParseValueAndUnit()
        {
            // Arrange
            string input = "AABB010\tH\tLR 0.123456 sccm";

            // Act
            ParsedData result = SentinelParser.ParseStreamingValue(input);

            // Assert
            Assert.Equal(0.123456, result.MeasuredValue);
            Assert.Equal("sccm", result.Unit);
        }

        [Fact]
        public void ParseFinalResult_ValidInput_ShouldParseAllFields()
        {
            // Arrange
            // Sample based on manual: XXYYZZZ \t H \t C## \t P## \t LL \t HH:MM:SS \t MM/DD/YY \t ID \t Eval ...
            // We need a proper string that matches the tab-separated structure.
            string body = "C01\tPort1\tP05\tLink\t12:30:45\t03/26/24\t1234567890\tA\tFlag\tTest\tEval\tLR 0.5 sccm";
            string input = "XXXXYYY\tH\t" + body;

            // Act
            ParsedData result = SentinelParser.ParseFinalResult(input);

            // Assert
            Assert.Equal("C01", result.ChannelNo);
            Assert.Equal("P05", result.ProgramNo);
            Assert.Equal("OK", result.Judgment); // A -> OK
            Assert.Equal(0.5, result.MeasuredValue);
            Assert.Equal("sccm", result.Unit);
        }

        [Theory]
        [InlineData(5.0, 10.0, 1.0, "OK")]
        [InlineData(15.0, 10.0, 1.0, "NG")]
        [InlineData(0.5, 10.0, 1.0, "NG")]
        public void EvaluateJudgment_ShouldReturnCorrectStatus(double value, double ul, double ll, string expected)
        {
            // Act
            var result = SentinelParser.EvaluateJudgment(value, ul, ll);

            // Assert
            Assert.Equal(expected, result);
        }
    }
}