-- ================================================================
-- Migration 003: Add Email Verification Fields
-- Version: v9c
-- Date: 2026-03-21
-- ================================================================

-- Add email verification columns to profiles table
ALTER TABLE profiles
ADD COLUMN IF NOT EXISTS email_verified BOOLEAN DEFAULT FALSE,
ADD COLUMN IF NOT EXISTS verification_token TEXT,
ADD COLUMN IF NOT EXISTS verification_expires TIMESTAMP WITH TIME ZONE;

-- Create index for verification token lookups
CREATE INDEX IF NOT EXISTS idx_profiles_verification_token
ON profiles(verification_token)
WHERE verification_token IS NOT NULL;

-- Mark existing users with email as verified (grandfather clause)
UPDATE profiles
SET email_verified = TRUE
WHERE email IS NOT NULL AND email_verified IS NULL;

COMMENT ON COLUMN profiles.email_verified IS 'Whether email address has been verified';
COMMENT ON COLUMN profiles.verification_token IS 'One-time token for email verification';
COMMENT ON COLUMN profiles.verification_expires IS 'Verification token expiry (24h from creation)';