Alert system

lib/alerts/policy.ts

@@ -0,0 +1,59 @@
+import { z } from "zod";
+
+const ROLE_NAMES = ["MEMBER", "ADMIN", "OWNER"] as const;
+const CHANNELS = ["email", "sms"] as const;
+const EVENT_TYPES = ["macrostop", "microstop", "slow-cycle", "offline", "error"] as const;
+
+const RoleRule = z.object({
+  enabled: z.boolean(),
+  afterMinutes: z.number().int().min(0),
+  channels: z.array(z.enum(CHANNELS)).default(["email"]),
+});
+
+const Rule = z.object({
+  id: z.string(),
+  eventType: z.enum(EVENT_TYPES),
+  roles: z.record(z.enum(ROLE_NAMES), RoleRule),
+  repeatMinutes: z.number().int().min(0).optional(),
+});
+
+export const AlertPolicySchema = z.object({
+  version: z.number().int().min(1).default(1),
+  defaults: z.record(z.enum(ROLE_NAMES), RoleRule),
+  rules: z.array(Rule),
+});
+
+export type AlertPolicy = z.infer<typeof AlertPolicySchema>;
+
+export const DEFAULT_POLICY: AlertPolicy = {
+  version: 1,
+  defaults: {
+    MEMBER: { enabled: true, afterMinutes: 0, channels: ["email"] },
+    ADMIN: { enabled: true, afterMinutes: 10, channels: ["email", "sms"] },
+    OWNER: { enabled: true, afterMinutes: 30, channels: ["sms"] },
+  },
+  rules: EVENT_TYPES.map((eventType) => ({
+    id: eventType,
+    eventType,
+    roles: {
+      MEMBER: { enabled: true, afterMinutes: 0, channels: ["email"] },
+      ADMIN: { enabled: true, afterMinutes: 10, channels: ["email", "sms"] },
+      OWNER: { enabled: true, afterMinutes: 30, channels: ["sms"] },
+    },
+    repeatMinutes: 15,
+  })),
+};
+
+export function normalizeAlertPolicy(raw: unknown): AlertPolicy {
+  const parsed = AlertPolicySchema.safeParse(raw);
+  if (parsed.success) return parsed.data;
+  return DEFAULT_POLICY;
+}
+
+export function isRoleName(value: string) {
+  return ROLE_NAMES.includes(value as (typeof ROLE_NAMES)[number]);
+}
+
+export function isChannel(value: string) {
+  return CHANNELS.includes(value as (typeof CHANNELS)[number]);
+}