import { PostHog } from 'posthog-node';
import { randomUUID } from 'crypto';
// PostHog API key - placeholder replaced by CI/CD build via sed
const POSTHOG_API_KEY = 'phc_PwBTjHa06k5Hrq6If5nBjWLeCOUuLeJja26VwBxrCYK';
export class AnalyticsClient {
posthog = null;
instanceId;
userEmail = null;
constructor() {
this.instanceId = randomUUID();
// PostHog keys start with 'phc_' - check this instead of placeholder
// (sed replaces all occurrences of placeholder, breaking !== check)
if (POSTHOG_API_KEY.startsWith('phc_')) {
this.posthog = new PostHog(POSTHOG_API_KEY, {
host: 'https://us.i.posthog.com'
});
}
}
/**
* Identify the user by email. All subsequent events will include this email.
*/
identify(email) {
this.userEmail = email;
if (this.posthog) {
// Link this instance to the user in PostHog
this.posthog.identify({
distinctId: email,
properties: {
email,
instance_id: this.instanceId
}
});
}
}
track(event, properties) {
if (!this.posthog) {
return;
}
// Use email as distinctId if identified, otherwise instance ID
const distinctId = this.userEmail ?? this.instanceId;
this.posthog.capture({
distinctId,
event,
properties: {
...properties,
instance_id: this.instanceId,
...(this.userEmail && { user_email: this.userEmail })
}
});
}
getInstanceId() {
return this.instanceId;
}
async shutdown() {
if (this.posthog) {
await this.posthog.shutdown();
}
}
}
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