import { ExpoWebGLRenderingContext } from './GLView.types';

// This method needs to be in a separate file because react-native-reanimated
// import wrapped in try catch does not work correctly with inlineRequires option
// in metro.config.js
//
// It looks like in generated bundle "react-native-reanimated" is not present
// in _dependencyMap, but references to it count it as if it was, e.g. bundle contains
// a line "(0, _$$_REQUIRE(_dependencyMap[15], "./GLUtils").configureLogging)(gl);"
// but dependencyMap contains only 15 elements
export function createWorkletContextProvider() {
  try {
    // reanimated needs to be imported before any workletized code
    // is created, but we don't want to make it dependency on expo-gl.
    require('react-native-reanimated');
    return (contextId: number): ExpoWebGLRenderingContext | undefined => {
      'worklet';
      return global.__EXGLContexts?.[String(contextId)];
    };
  } catch {
    return () => {
      throw new Error('Worklet runtime is not available');
    };
  }
}