Add support for configuration profiles.

src/config/profiles/index.ts

@@ -0,0 +1,51 @@
+import { getConfigValue, setConfigValue } from '../management.js';
+import {
+  ProfileType,
+  RawFrigateCardConfig,
+  frigateCardConfigSchema,
+} from '../types.js';
+import { deepRemoveDefaults } from '../../utils/zod.js';
+import { LOW_PERFORMANCE_PROFILE } from './low-performance.js';
+import { SCRUBBING_PROFILE } from './scrubbing.js';
+
+const PROFILES = {
+  'low-performance': LOW_PERFORMANCE_PROFILE,
+  'scrubbing': SCRUBBING_PROFILE,
+};
+
+/**
+ * Set a profile. Sets flags as defined in the relevant profile unless they are
+ * explicitly overriden in the configuration.
+ * @param inputConfig The raw unparsed input configuration.
+ * @param outputConfig The output config to write to.
+ * @returns A changed (in-place) parsed input configuration.
+ */
+export const setProfiles = <T extends RawFrigateCardConfig>(
+  inputConfig: RawFrigateCardConfig,
+  outputConfig: T,
+  profiles?: ProfileType[],
+): T => {
+  const defaultLessParseResult = deepRemoveDefaults(frigateCardConfigSchema).safeParse(
+    inputConfig,
+  );
+  if (!defaultLessParseResult.success) {
+    return outputConfig;
+  }
+  const defaultLessConfig = defaultLessParseResult.data;
+
+  const setIfNotSpecified = (key: string, value: unknown) => {
+    if (getConfigValue(defaultLessConfig, key) === undefined) {
+      setConfigValue(outputConfig, key, value);
+    }
+  };
+
+  for (const profile of profiles ?? []) {
+    if (profile in PROFILES) {
+      Object.entries(PROFILES[profile]).forEach(([k, v]: [string, unknown]) =>
+        setIfNotSpecified(k, v),
+      );
+    }
+  }
+
+  return outputConfig;
+};