using CodePlay.Core.Models;
using CodePlay.Core.Common;

namespace CodePlay.Core.Interfaces;

public interface IParser
{
    Task<SyntaxTree> ParseAsync(string sourceCode, CancellationToken cancellationToken = default);
}

public interface IConverter
{
    Task<ConversionResult> ConvertAsync(SyntaxTree syntaxTree, LanguageType targetLanguage, ConversionOptions? options = null, CancellationToken cancellationToken = default);
}

public interface ICodeGenerator
{
    string Generate(SyntaxTree syntaxTree);
}

public interface ICompilerValidator
{
    Task<ValidationSummary> ValidateAsync(string code, LanguageType targetLanguage, CancellationToken cancellationToken = default);
}

public interface IAutoFixEngine
{
    Task<FixResult> FixAsync(string code, List<CompilationError> errors, int round, CancellationToken cancellationToken = default);
}

public interface IConversionStrategy
{
    LanguageType SourceLanguage { get; }
    LanguageType TargetLanguage { get; }
    SyntaxNode ConvertNode(SyntaxNode node, ConversionContext context);
    string MapType(string sourceType);
}

public class SyntaxTree {
    public LanguageType Language { get; set; }
    public SyntaxNode Root { get; set; } = new();
    public string? SourceFilePath { get; set; }
    public string? SourceCode { get; set; }
    public List<SyntaxComment> Comments { get; set; } = new();
    public List<SyntaxDocumentation> Documentation { get; set; } = new();
}

public class SyntaxNode {
    public SyntaxNodeType Type { get; set; }
    public string Text { get; set; } = string.Empty;
    public List<SyntaxNode> Children { get; set; } = new();
    public Dictionary<string, object?> Metadata { get; set; } = new();
    public SyntaxNode? Parent { get; set; }
    public bool IsUnconvertible { get; set; }
    public string? TodoDescription { get; set; }
}

public enum SyntaxNodeType {
    Unknown = 0, CompilationUnit = 1, Namespace = 2, Class = 3, Interface = 4,
    Method = 5, Property = 6, Field = 7, Constructor = 8, Statement = 9,
    Expression = 10, Type = 11, Parameter = 12, Comment = 13, DocumentationComment = 14
}

public class SyntaxComment {
    public CommentType Type { get; set; }
    public string Text { get; set; } = string.Empty;
    public int LineNumber { get; set; }
}

public enum CommentType { SingleLine = 0, MultiLine = 1, XmlDoc = 2, JavaDoc = 3, Doxygen = 4 }

public class SyntaxDocumentation {
    public string ElementName { get; set; } = string.Empty;
    public string Content { get; set; } = string.Empty;
    public DocFormat Format { get; set; }
}

public enum DocFormat { XmlDoc = 0, JavaDoc = 1, Doxygen = 2 }

public class ConversionContext {
    public LanguageType SourceLanguage { get; set; }
    public LanguageType TargetLanguage { get; set; }
    public ConversionOptions? Options { get; set; }
    public List<ConversionIssue> Issues { get; set; } = new();
    public List<TodoItem> TodoItems { get; set; } = new();
    public List<TransformationLog> Logs { get; set; } = new();
}

public class FixResult {
    public bool CanFix { get; set; }
    public string? FixedCode { get; set; }
    public string? FixDescription { get; set; }
    public List<CompilationError> RemainingErrors { get; set; } = new();
}

public class CompilationResult {
    public bool Success { get; set; }
    public string Output { get; set; } = string.Empty;
    public List<CompilationError> Errors { get; set; } = new();
    public List<CompilationError> Warnings { get; set; } = new();
}