-- +goose Up
CREATE TABLE IF NOT EXISTS audit_log (
    id TEXT PRIMARY KEY,
    occurred_at DATETIME NOT NULL DEFAULT CURRENT_TIMESTAMP,
    user_id TEXT REFERENCES user(id) ON DELETE SET NULL,
    action TEXT NOT NULL,
    resource_type TEXT,
    resource_id TEXT,
    ip TEXT,
    user_agent TEXT,
    metadata_json TEXT
);

CREATE INDEX IF NOT EXISTS idx_audit_log_user_id_occurred_at ON audit_log(user_id, occurred_at DESC);
CREATE INDEX IF NOT EXISTS idx_audit_log_action_occurred_at ON audit_log(action, occurred_at DESC);

-- +goose Down
DROP TABLE IF EXISTS audit_log;