/* eslint-disable @typescript-eslint/naming-convention */
// eslint-disable-next-line spaced-comment
/// <reference types="vite/client" /> — provides types for import.meta.env
import { ExposedDependencies } from '@servicetitan/startup-utils';
import { ExposedInstanceDependencies } from './common';

declare global {
    export const EXPOSED_DEPENDENCIES: ExposedDependencies | undefined;
    export const EXPOSED_INSTANCE_DEPENDENCIES: ExposedInstanceDependencies | undefined;
    export const WEB_COMPONENT_NAME: string | undefined;
}

/*
 * Safely access a value that may not exist. Returns undefined instead of
 * throwing a ReferenceError. Used below to try global constants first
 * (set by webpack DefinePlugin), then fall back to import.meta.env
 * (set by Vite's define config). One of these will always be defined
 * depending on which bundler built the code.
 */
function get<T>(fetch: () => T) {
    try {
        return fetch();
    } catch {
        return undefined;
    }
}

const _EXPOSED_DEPENDENCIES =
    get(() => {
        return EXPOSED_DEPENDENCIES;
    }) ??
    get(() => {
        return import.meta.env.EXPOSED_DEPENDENCIES;
    });

const _WEB_COMPONENT_NAME =
    get(() => {
        return WEB_COMPONENT_NAME;
    }) ??
    get(() => {
        return import.meta.env.WEB_COMPONENT_NAME;
    });
const _EXPOSED_INSTANCE_DEPENDENCIES =
    get(() => {
        return EXPOSED_INSTANCE_DEPENDENCIES;
    }) ??
    get(() => {
        return import.meta.env.EXPOSED_INSTANCE_DEPENDENCIES;
    });

export {
    _EXPOSED_DEPENDENCIES as EXPOSED_DEPENDENCIES,
    _EXPOSED_INSTANCE_DEPENDENCIES as EXPOSED_INSTANCE_DEPENDENCIES,
    _WEB_COMPONENT_NAME as WEB_COMPONENT_NAME,
};