Replace form field values with demo data when demo mode is active. Only replaces fields that are present and non-empty in the form. Mutates and returns the same URLSearchParams for chaining.

Create seed events and attendees using efficient batch writes. Encrypts all data before inserting, matching production behavior. Assigns random ticket quantities (1-4) per attendee without overselling.

Check if demo mode is enabled

Pick a random element from an array

Generate a random full name from first name + surname arrays

Reset cached demo mode value (for testing and cache invalidation)

Explicitly set demo mode on or off (for testing). Bypasses Deno.env to avoid races between parallel test workers.

Wrap a named resource so create/update apply demo overrides to the form

Maps form field names to arrays of possible demo values

Result of a seed operation

Attendee PII fields

Demo addresses

Demo mode banner HTML

Demo email addresses

Demo event descriptions

Demo event locations

Demo event names

Demo first names for seed data (combined with surnames for more variety)

Demo group names

Demo holiday names

Demo attendee names (full names for demo mode overrides)

Demo page text (homepage / contact)

Demo phone numbers (UK format)

Demo special instructions

Demo surnames for seed data (combined with first names for more variety)

Demo terms and conditions

Demo website titles

Event metadata fields

Group name field

Holiday name field

Max attendees per seeded event

Site contact page fields

Site homepage fields

Terms and conditions field