using System;
using Paca.Core.QuickActions;
using Xunit;

namespace Paca.Tests.App;

public class QuickActionInlineEvaluatorGateTests
{
    private readonly QuickActionInlineEvaluator _evaluator = new();

    [Theory]
    [InlineData("12 + 34", "46")]
    [InlineData("100 * 5", "500")]
    [InlineData("2 ^ 10", "1024")]
    [InlineData("sqrt(144)", "12")]
    [InlineData("= 25 * 4", "100")]
    [InlineData("1000 - 350", "650")]
    [InlineData("10 / 4", "2.5")]
    public void Gate_QuickActionEvaluator_MathExpressions_CalculatesCorrectly(string input, string expectedResult)
    {
        bool evaluated = _evaluator.TryEvaluate(input, out var result);
        Assert.True(evaluated, $"수식 '{input}'이 정상적으로 평가되어야 합니다.");
        Assert.NotNull(result);
        Assert.Equal(expectedResult, result.Value);
    }

    [Fact]
    public void Gate_QuickActionEvaluator_DevConversions_Base64AndHexAndTimestamp()
    {
        // 1. Base64 encode / decode
        bool b64Enc = _evaluator.TryEvaluate("b64 PACA Super App", out var resEnc);
        Assert.True(b64Enc);
        Assert.Equal("UEFDQSBTdXBlciBBcHA=", resEnc!.Value);

        bool b64Dec = _evaluator.TryEvaluate("b64d UEFDQSBTdXBlciBBcHA=", out var resDec);
        Assert.True(b64Dec);
        Assert.Equal("PACA Super App", resDec!.Value);

        // 2. Hex to RGB
        bool hexRgb = _evaluator.TryEvaluate("hex #3b82f6", out var resRgb);
        Assert.True(hexRgb);
        Assert.Equal("rgb(59, 130, 246)", resRgb!.Value);

        // 3. Timestamp now
        bool ts = _evaluator.TryEvaluate("time now", out var resTs);
        Assert.True(ts);
        Assert.True(long.TryParse(resTs!.Value, out var val) && val > 1700000000);
    }

    [Theory]
    [InlineData("10 km to mile", "6.21")]
    [InlineData("100 kg to lb", "220.46")]
    [InlineData("30 c to f", "86")]
    [InlineData("1024 mb to gb", "1")]
    public void Gate_QuickActionEvaluator_UnitConversions(string input, string expectedValuePrefix)
    {
        bool evaluated = _evaluator.TryEvaluate(input, out var result);
        Assert.True(evaluated, $"단위 변환 '{input}'이 평가되어야 합니다.");
        Assert.NotNull(result);
        Assert.StartsWith(expectedValuePrefix, result.Value);
    }
}