CREATE TABLE IF NOT EXISTS audits (
  id BIGSERIAL PRIMARY KEY,
  account_id BIGINT NOT NULL,
  user_id BIGINT,
  auditable_type VARCHAR(100) NOT NULL,
  auditable_id BIGINT NOT NULL,
  action VARCHAR(50) NOT NULL,
  audited_changes JSONB DEFAULT '{}'::jsonb,
  associated_type VARCHAR(100),
  associated_id BIGINT,
  username VARCHAR(255),
  remote_address VARCHAR(100),
  request_uuid VARCHAR(100),
  version BIGINT,
  comment TEXT,
  user_type VARCHAR(50),
  created_at TIMESTAMPTZ
);

CREATE INDEX IF NOT EXISTS idx_audits_account_id ON audits (account_id);
CREATE INDEX IF NOT EXISTS idx_audits_user_id ON audits (user_id);
CREATE INDEX IF NOT EXISTS idx_audits_action ON audits (action);
CREATE INDEX IF NOT EXISTS idx_audits_auditable ON audits (auditable_type, auditable_id);
CREATE INDEX IF NOT EXISTS idx_audits_associated ON audits (associated_type, associated_id);
CREATE INDEX IF NOT EXISTS idx_audits_created_at ON audits (created_at);