import { db } from '../db.js';
import { camelJob, camelJobHost, camelJobLog } from './mappers.js';

// A job is visible to the operator who triggered it, to anyone who can see the
// linked RunPlan, or to any admin. This prevents cross-user log/output leakage.
function jobVisibilityClause() {
  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 = ?)
  )`;
}

export function listJobs(userId, isAdmin = false) {
  if (isAdmin) {
    return db.prepare(`
      SELECT j.*, r.name AS runplan_name, s.name AS script_name
      FROM jobs j
      LEFT JOIN runplans r ON r.id = j.runplan_id
      LEFT JOIN scripts s ON s.id = j.script_id
      ORDER BY j.created_at DESC
      LIMIT 100
    `).all().map(camelJob);
  }
  return db.prepare(`
    SELECT j.*, r.name AS runplan_name, s.name AS script_name
    FROM jobs j
    LEFT JOIN runplans r ON r.id = j.runplan_id
    LEFT JOIN scripts s ON s.id = j.script_id
    WHERE ${jobVisibilityClause()}
    ORDER BY j.created_at DESC
    LIMIT 100
  `).all(userId, userId, userId).map(camelJob);
}

export function getJob(jobId, userId, isAdmin = false) {
  const job = isAdmin
    ? db.prepare(`
        SELECT j.*, r.name AS runplan_name, s.name AS script_name
        FROM jobs j
        LEFT JOIN runplans r ON r.id = j.runplan_id
        LEFT JOIN scripts s ON s.id = j.script_id
        WHERE j.id = ?
      `).get(jobId)
    : db.prepare(`
        SELECT j.*, r.name AS runplan_name, s.name AS script_name
        FROM jobs j
        LEFT JOIN runplans r ON r.id = j.runplan_id
        LEFT JOIN scripts s ON s.id = j.script_id
        WHERE j.id = ? AND ${jobVisibilityClause()}
      `).get(jobId, userId, userId, userId);
  if (!job) return null;
  const hosts = db.prepare(`
    SELECT jh.*, h.name AS host_name, h.address AS host_address
    FROM job_hosts jh
    LEFT JOIN hosts h ON h.id = jh.host_id
    WHERE jh.job_id = ?
    ORDER BY h.name
  `).all(jobId);
  const logs = db.prepare(`
    SELECT jl.*, h.name AS host_name
    FROM job_logs jl
    LEFT JOIN hosts h ON h.id = jl.host_id
    WHERE jl.job_id = ?
    ORDER BY jl.created_at, jl.id
  `).all(jobId);
  return { ...camelJob(job), hosts: hosts.map(camelJobHost), logs: logs.map(camelJobLog) };
}