import ts from "typescript";
import { TypeRegistry } from "../registry.ts";
import { TypeReference } from "./reference.ts";

export class FunctionNode {
  private constructor(
    public readonly name: string,
    public readonly parameters: ParameterNode[],
    public readonly returnType?: TypeReference
  ) {}

  public static create(
    registry: TypeRegistry,
    node: ts.FunctionDeclaration,
    symbol?: ts.Symbol
  ) {
    return new FunctionNode(
      symbol?.escapedName ?? node?.name?.escapedText ?? "",
      [],
      registry.getOrCreate(node.type)
    );
  }
}

export class ParameterNode {
  constructor(
    public readonly name: string,
    public readonly type: TypeReference,
    public readonly optional: boolean
  ) {}
}