Sindbad~EG File Manager

-- Add form registration status fields to programs table
-- This allows admins to control when registration is open/closed for each program

ALTER TABLE programs 
ADD COLUMN registration_status ENUM('open', 'closed', 'scheduled') DEFAULT 'open' AFTER is_active,
ADD COLUMN registration_open_date DATETIME NULL AFTER registration_status,
ADD COLUMN registration_close_date DATETIME NULL AFTER registration_open_date,
ADD COLUMN registration_message TEXT NULL AFTER registration_close_date;

-- Update existing programs to have open registration by default
UPDATE programs SET registration_status = 'open' WHERE registration_status IS NULL;

-- Add indexes for better performance
ALTER TABLE programs ADD INDEX idx_registration_status (registration_status);
ALTER TABLE programs ADD INDEX idx_registration_dates (registration_open_date, registration_close_date);