// React-tier polyfills. Base webcrypto comes from `@suaveplan/testing/polyfills`;
// this file adds the `IS_REACT_ACT_ENVIRONMENT` flag React DOM looks for when
// state updates happen outside an explicit `act(...)` wrapper, plus a minimal
// `URL.createObjectURL`/`revokeObjectURL` shim because happy-dom does not
// implement them and the underlying `PackedResourceManager` calls them on
// every load.

interface ReactActEnvWindow {
    IS_REACT_ACT_ENVIRONMENT?: boolean;
}

const win = globalThis as unknown as ReactActEnvWindow;
if (win.IS_REACT_ACT_ENVIRONMENT === undefined) {
    win.IS_REACT_ACT_ENVIRONMENT = true;
}

interface ObjectUrlGlobals {
    URL: {
        createObjectURL?: (obj: Blob) => string;
        revokeObjectURL?: (url: string) => void;
    };
}

const urlGlobals = globalThis as unknown as ObjectUrlGlobals;
let counter = 0;
if (typeof urlGlobals.URL.createObjectURL !== "function") {
    urlGlobals.URL.createObjectURL = (_blob: Blob): string => {
        counter += 1;
        return `blob:react-packer/${counter}`;
    };
}
if (typeof urlGlobals.URL.revokeObjectURL !== "function") {
    urlGlobals.URL.revokeObjectURL = (_url: string): void => {
        // no-op shim — happy-dom doesn't track blob URLs
    };
}

interface FontShim {
    fonts?: {
        load?: (spec: string) => Promise<FontFace[]>;
        add?: (font: FontFace) => unknown;
    };
}
const docShim = (globalThis as { document?: FontShim }).document;
if (docShim !== undefined && docShim.fonts === undefined) {
    docShim.fonts = {
        load: async (_spec: string): Promise<FontFace[]> => [],
        add: (_font: FontFace): unknown => undefined,
    };
}