-- 0001_users.sql
-- Create users table for authentication

CREATE TABLE users (
    id UUID PRIMARY KEY,
    status TEXT NOT NULL DEFAULT 'active',
    display_name TEXT,
    created_at TIMESTAMPTZ NOT NULL DEFAULT NOW(),
    updated_at TIMESTAMPTZ NOT NULL DEFAULT NOW()
);

CREATE TABLE user_emails (
    id UUID PRIMARY KEY,
    user_id UUID NOT NULL REFERENCES users(id),
    email TEXT NOT NULL,
    normalized_email TEXT NOT NULL,
    is_primary BOOLEAN NOT NULL DEFAULT FALSE,
    is_verified BOOLEAN NOT NULL DEFAULT FALSE,
    created_at TIMESTAMPTZ NOT NULL DEFAULT NOW(),
    verified_at TIMESTAMPTZ,
    revoked_at TIMESTAMPTZ
);

-- Enforce uniqueness only among *active* emails
CREATE UNIQUE INDEX user_emails_unique_active
ON user_emails (normalized_email)
WHERE revoked_at IS NULL;