using System.Text.RegularExpressions;
using CodePlay.Core.Interfaces;
using CodePlay.Core.Models;

namespace CodePlay.Core.Pipeline.Converters;

/// <summary>
/// Async/Task 转换器 - Task→CompletableFuture, async→移除
/// </summary>
public class AsyncConverter : ILineConverter
{
    public int Priority => 90;
    
    public string Convert(string line, ConversionContext context)
    {
        var result = line;
        
        result = Regex.Replace(result, @"\bTask<([^>]+)>", "CompletableFuture<$1>");
        result = Regex.Replace(result, @"\bTask\b", "CompletableFuture");
        result = Regex.Replace(result, @"\basync\s+", "");
        result = Regex.Replace(result, @"\bawait\s+", "");
        result = Regex.Replace(result, @"Task\.FromResult\(", "CompletableFuture.completedFuture(");
        result = Regex.Replace(result, @"Task\.Run\(", "CompletableFuture.supplyAsync(");
        
        return result;
    }
}