-- Migration: Create password_resets table
-- Description: Password reset tokens

CREATE TABLE IF NOT EXISTS password_resets (
    id SERIAL PRIMARY KEY,
    user_id UUID NOT NULL,
    token VARCHAR(255) UNIQUE NOT NULL,
    expires_at TIMESTAMP NOT NULL,
    used BOOLEAN DEFAULT false,
    
    created_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP,
    
    -- Foreign key
    FOREIGN KEY (user_id) REFERENCES users(id) ON DELETE CASCADE
);

-- Indexes
CREATE INDEX idx_password_resets_token ON password_resets(token);
CREATE INDEX idx_password_resets_user ON password_resets(user_id);
CREATE INDEX idx_password_resets_expires ON password_resets(expires_at);

-- Comments
COMMENT ON TABLE password_resets IS 'Password reset tokens with expiration';
COMMENT ON COLUMN password_resets.token IS 'Unique reset token sent to user';
COMMENT ON COLUMN password_resets.used IS 'Whether token has been used';