// Capacitor-backed chrome.storage.local shim.
// Used on mobile builds where there is no service worker / Chrome extension API.
// Redirects all chrome.storage.local calls to @capacitor/preferences.
import { Preferences } from "@capacitor/preferences";

export const chrome = {
  storage: {
    local: {
      async get(keys: string | string[] | Record<string, unknown>): Promise<Record<string, unknown>> {
        const keyArray = Array.isArray(keys) ? keys : typeof keys === "string" ? [keys] : Object.keys(keys);
        const result: Record<string, unknown> = {};
        for (const k of keyArray) {
          const { value } = await Preferences.get({ key: k });
          if (value !== undefined) result[k] = value;
        }
        return result;
      },
      async set(items: Record<string, unknown>): Promise<void> {
        for (const [k, v] of Object.entries(items)) {
          await Preferences.set({ key: k, value: String(v) });
        }
      },
      async remove(keys: string | string[]): Promise<void> {
        const keyArray = Array.isArray(keys) ? keys : [keys];
        for (const k of keyArray) {
          await Preferences.remove({ key: k });
        }
      },
      async clear(): Promise<void> {
        await Preferences.clear();
      },
    },
    session: {
      // Session storage on mobile: use a plain Map (not persisted)
      _session: new Map<string, unknown>(),
      async get(keys: string | string[] | Record<string, unknown>): Promise<Record<string, unknown>> {
        const keyArray = Array.isArray(keys) ? keys : typeof keys === "string" ? [keys] : Object.keys(keys);
        const result: Record<string, unknown> = {};
        for (const k of keyArray) {
          if (this._session.has(k)) result[k] = this._session.get(k);
        }
        return result;
      },
      async set(items: Record<string, unknown>): Promise<void> {
        for (const [k, v] of Object.entries(items)) this._session.set(k, v);
      },
      async remove(keys: string | string[]): Promise<void> {
        const keyArray = Array.isArray(keys) ? keys : [keys];
        for (const k of keyArray) this._session.delete(k);
      },
    },
    onChanged: { addListener: () => {}, removeListener: () => {} },
  },
  runtime: {
    sendMessage: (_msg: unknown, cb?: (r: unknown) => void) => { if (cb) cb({ ok: false, error: "NO_SERVICE_WORKER" }); },
    onMessage: { addListener: () => {}, removeListener: () => {} },
    connect: () => ({ disconnect: () => {} }),
    lastError: null,
  },
};