export interface ClassDesc {
  type: string;
  fileName: string;
  className: string;
  description: string;
  deprecated?: VersionDesc;
  since?: VersionDesc;
  properties: PropertyDesc[];
  methods: MethodDesc[];
}

export interface DirectiveDesc extends ClassDesc {
  selector: string;
  exportAs?: string;
  inputs: InputDesc[];
  outputs: OutputDesc[];
}

export interface PropertyDesc {
  name: string;
  type: string;
  description: string;
  deprecated?: VersionDesc;
  since?: VersionDesc;
  defaultValue?: string;
}

export interface MethodDesc {
  name: string;
  description: string;
  deprecated?: VersionDesc;
  since?: VersionDesc;
  args: ArgumentDesc[];
  returnType: string;
}

export interface VersionDesc {
  version: string;
  description: string;
}

export interface ArgumentDesc {
  name: string;
  type: string;
}

export interface InputDesc extends PropertyDesc {}

export interface OutputDesc extends PropertyDesc {}

export function signature(method: MethodDesc): string {
  const args = method['args'].map(arg => `${arg.name}: ${arg.type}`).join(', ');
  return `${method.name}(${args})`;
}