import { getPostgresClient } from './postgres-client.js'

/**
 * CSP 위반을 원본 없이 정규화된 차원별로 집계한다.
 * @param {Array<{ policyVersion: string, documentPath: string, effectiveDirective: string, blockedOrigin: string, userAgentFamily: string }>} reports - CSP 집계 행
 * @returns {Promise<void>}
 */
export const recordCspReports = async (reports) => {
  const sql = getPostgresClient()
  if (!sql || reports.length === 0) {
    return
  }

  await sql.begin(async (transaction) => {
    for (const report of reports) {
      await transaction`
        INSERT INTO csp_violation_aggregates (
          policy_version,
          document_path,
          effective_directive,
          blocked_origin,
          user_agent_family,
          violation_count,
          first_seen_at,
          last_seen_at
        )
        VALUES (
          ${report.policyVersion},
          ${report.documentPath},
          ${report.effectiveDirective},
          ${report.blockedOrigin},
          ${report.userAgentFamily},
          1,
          now(),
          now()
        )
        ON CONFLICT (
          policy_version,
          document_path,
          effective_directive,
          blocked_origin,
          user_agent_family
        )
        DO UPDATE SET
          violation_count = csp_violation_aggregates.violation_count + 1,
          last_seen_at = now()
      `
    }
  })
}