using common;
using syntax.Parsing.Statements;
using syntax.Tokenization;
using syntax.Typing;

namespace syntax.Parsing.Definitions;

public class FuncParameter(string name, NubType type)
{
    public string Name { get; } = name;
    public NubType Type { get; } = type;

    public override string ToString() => $"{Name}: {Type}";
}

public interface IFuncSignature
{
    public string Name { get; }
    public List<FuncParameter> Parameters { get; }
    public NubType ReturnType { get; }

    public string ToString() => $"{Name}({string.Join(", ", Parameters.Select(p => p.ToString()))}){": " + ReturnType}";
}

public class LocalFuncDefinitionNode(IReadOnlyList<Token> tokens, Optional<string> documentation, string @namespace, string name, List<FuncParameter> parameters, BlockNode body, NubType returnType, bool exported) : DefinitionNode(tokens, documentation, @namespace), IFuncSignature
{
    public string Name { get; } = name;
    public List<FuncParameter> Parameters { get; } = parameters;
    public BlockNode Body { get; } = body;
    public NubType ReturnType { get; } = returnType;
    public bool Exported { get; } = exported;

    public override string ToString() => $"{Name}({string.Join(", ", Parameters.Select(p => p.ToString()))}){": " + ReturnType}";
}

public class ExternFuncDefinitionNode(IReadOnlyList<Token> tokens, Optional<string> documentation, string @namespace, string name, string callName, List<FuncParameter> parameters, NubType returnType) : DefinitionNode(tokens, documentation, @namespace), IFuncSignature
{
    public string Name { get; } = name;
    public string CallName { get; } = callName;
    public List<FuncParameter> Parameters { get; } = parameters;
    public NubType ReturnType { get; } = returnType;

    public override string ToString() => $"{Name}({string.Join(", ", Parameters.Select(p => p.ToString()))}){": " + ReturnType}";
}