using Godosa.Core.Runs.Scripts;
using Xunit;

namespace Godosa.Core.Tests.Runs.Scripts;

public class StepLexerTests
{
    [Theory]
    [InlineData("click 10,20 # aim", "click 10,20 ")]
    [InlineData("log \"a # b\" # c", "log \"a # b\" ")]
    [InlineData("# only", "")]
    [InlineData("type \"say \\\"#1\\\"\"", "type \"say \\\"#1\\\"\"")]
    public void StripComment_OutsideQuotesOnly(string line, string expected) =>
        Assert.Equal(expected, StepLexer.StripComment(line));

    [Fact]
    public void Tokens_SplitOnSpaceQuotedStaysWhole()
    {
        var t = StepLexer.Tokens("use  @inv(Lockpicks)  on \"Big Door\"");
        Assert.Equal(["use", "@inv(Lockpicks)", "on", "Big Door"], t.Select(x => x.Text));
        Assert.Equal([false, false, false, true], t.Select(x => x.Quoted));
    }

    [Fact]
    public void Tokens_EscapesInQuotes()
    {
        var t = StepLexer.Tokens("type \"a \\\"b\\\" \\\\ c\"");
        Assert.Equal("a \"b\" \\ c", t[1].Text);
    }

    [Fact]
    public void Tokens_ParenthesesKeepSpacesInOneToken()
    {
        // locator args may contain spaces: @npc(Gilbert Bates)
        var t = StepLexer.Tokens("talk @npc(Gilbert Bates)");
        Assert.Equal(["talk", "@npc(Gilbert Bates)"], t.Select(x => x.Text));
    }

    [Fact]
    public void Tokens_UnterminatedQuote_Throws() =>
        Assert.Equal("unterminated quote", Assert.Throws<FormatException>(() => StepLexer.Tokens("log \"abc")).Message);

    [Theory]
    [InlineData("120", 120)]
    [InlineData("2s", 120)]
    [InlineData("0.5s", 30)]
    [InlineData("0", 0)]
    [InlineData("1.25s", 75)]
    public void Durations_FramesAndSeconds(string text, int frames) => Assert.Equal(frames, Durations.Frames(text));

    [Theory]
    [InlineData("0.01s")] // 0.6 frames: not whole
    [InlineData("-5")]
    [InlineData("2m")]
    [InlineData("")]
    [InlineData("1e3")]
    public void Durations_Invalid_Null(string text) => Assert.Null(Durations.Frames(text));
}