import { config } from '../config.js';
import { db, parseJson } from '../db.js';
import { camelJobOutput } from './mappers.js';
import { isPathInside, path } from '../utils/pathUtils.js';

// Keep output artifact visibility identical to job visibility so logs and
// generated files do not leak across users.
function visibleJobClause() {
  return `(
    j.triggered_by = ?
    OR r.visibility = 'shared'
    OR r.owner_user_id = ?
    OR r.group_id IN (SELECT group_id FROM user_groups WHERE user_id = ?)
  )`;
}

function outputSelect() {
  return `
    SELECT jo.*, j.status AS job_status, j.runplan_id, j.script_id, j.triggered_by,
           r.name AS runplan_name, s.name AS script_name,
           COALESCE(hs.host_total_count, 0) AS host_total_count,
           COALESCE(hs.host_success_count, 0) AS host_success_count,
           COALESCE(hs.host_failed_count, 0) AS host_failed_count,
           COALESCE(hs.host_skipped_count, 0) AS host_skipped_count,
           COALESCE(hs.host_canceled_count, 0) AS host_canceled_count
    FROM job_outputs jo
    JOIN jobs j ON j.id = jo.job_id
    LEFT JOIN runplans r ON r.id = j.runplan_id
    LEFT JOIN scripts s ON s.id = j.script_id
    LEFT JOIN (
      SELECT job_id,
             COUNT(*) AS host_total_count,
             SUM(CASE WHEN status = 'completed' THEN 1 ELSE 0 END) AS host_success_count,
             SUM(CASE WHEN status = 'failed' THEN 1 ELSE 0 END) AS host_failed_count,
             SUM(CASE WHEN status = 'skipped' THEN 1 ELSE 0 END) AS host_skipped_count,
             SUM(CASE WHEN status = 'canceled' THEN 1 ELSE 0 END) AS host_canceled_count
      FROM job_hosts
      GROUP BY job_id
    ) hs ON hs.job_id = j.id
  `;
}

export function listJobOutputs(userId, isAdmin = false) {
  const rows = isAdmin
    ? db.prepare(`
        ${outputSelect()}
        ORDER BY jo.updated_at DESC
        LIMIT 250
      `).all()
    : db.prepare(`
        ${outputSelect()}
        WHERE ${visibleJobClause()}
        ORDER BY jo.updated_at DESC
        LIMIT 250
      `).all(userId, userId, userId);
  return rows.map(camelJobOutput);
}

export function listJobOutputsForJob(jobId, userId, isAdmin = false) {
  const rows = isAdmin
    ? db.prepare(`
        ${outputSelect()}
        WHERE jo.job_id = ?
        ORDER BY jo.kind
      `).all(jobId)
    : db.prepare(`
        ${outputSelect()}
        WHERE jo.job_id = ? AND ${visibleJobClause()}
        ORDER BY jo.kind
      `).all(jobId, userId, userId, userId);
  return rows.map(camelJobOutput);
}

export function getJobOutput(outputId, userId, isAdmin = false) {
  const row = isAdmin
    ? db.prepare(`${outputSelect()} WHERE jo.id = ?`).get(outputId)
    : db.prepare(`${outputSelect()} WHERE jo.id = ? AND ${visibleJobClause()}`).get(outputId, userId, userId, userId);
  return row ? camelJobOutput(row) : null;
}

export function getJobOutputFile(outputId, userId, isAdmin = false) {
  const row = isAdmin
    ? db.prepare(`${outputSelect()} WHERE jo.id = ?`).get(outputId)
    : db.prepare(`${outputSelect()} WHERE jo.id = ? AND ${visibleJobClause()}`).get(outputId, userId, userId, userId);
  if (!row) return null;
  const filePath = path.resolve(row.storage_path);
  if (!isPathInside(config.fileLockerDir, filePath)) {
    throw new Error('Job output path is outside the configured FileLocker directory');
  }
  return { output: camelJobOutput(row), filePath, metadata: parseJson(row.metadata_json, {}) };
}