/**
 * Copyright 2015 CANAL+ Group
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

import startsWith from "../../../utils/starts_with";

/**
 * @param {string} keySystem
 * @returns {string|undefined}
 */
export default function getDrmSystemId(keySystem: string): string | undefined {
  if (
    startsWith(keySystem, "com.microsoft.playready") ||
    keySystem === "com.chromecast.playready" ||
    keySystem === "com.youtube.playready"
  ) {
    return "9a04f07998404286ab92e65be0885f95";
  }
  if (keySystem === "com.widevine.alpha") {
    return "edef8ba979d64acea3c827dcd51d21ed";
  }
  if (startsWith(keySystem, "com.apple.fps")) {
    return "94ce86fb07ff4f43adb893d2fa968ca2";
  }
  if (startsWith(keySystem, "com.nagra.")) {
    return "adb41c242dbf4a6d958b4457c0d27b95";
  }
  return undefined;
}