/**
 * @fileoverview Cron Jobs type definitions.
 *
 * NOTE: This is intentionally distinct from the existing `ScheduledRun` concept
 * (see src/web/ports/infra-port.ts), which is a run-now, duration-bounded
 * autonomous loop. A `CronJob` is a SAVED, NAMED job with a recurring
 * schedule (once/interval/daily/weekly), enable/disable, next-run calculation,
 * and a history of `CronJobRun` records. The two do not interact.
 *
 * Persisted to `~/.codeman/state.json` via StateStore (see AppState).
 */

import type { SessionMode } from './session.js';

/** How a job's fire times are computed. */
export type ScheduleType = 'once' | 'interval' | 'daily' | 'weekly';

/** Where the prompt text comes from. */
export type PromptMode = 'inline_text' | 'prompt_file_path';

/** How the prompt is delivered into the session. */
export type InputMode = 'paste' | 'typed';

/** Lifecycle status of a single job execution. */
export type CronJobRunStatus = 'created' | 'session_started' | 'prompt_sent' | 'failed' | 'skipped';

/** What triggered a run. */
export type TriggerType = 'scheduled' | 'manual_run_now';

/** What to do for an AUTOMATIC run when sessions of the same agent already exist. */
export type ConcurrencyPolicy = 'warn_only' | 'skip_if_same_agent_running';

/**
 * A saved, named cron job.
 */
export interface CronJob {
  id: string;
  name: string;
  /** Reuses Codeman's existing session modes; 'shell' covers Terminal/custom. */
  agentType: SessionMode;
  workingDir: string;
  /** Optional custom launch command (only meaningful for 'shell' mode). */
  launchCommand?: string;

  promptMode: PromptMode;
  promptText?: string;
  promptFilePath?: string;
  inputMode: InputMode;

  scheduleType: ScheduleType;
  /** once: absolute epoch-ms fire time. */
  runAt?: number;
  /** interval: minutes between fires. */
  intervalMinutes?: number;
  /** daily: 'HH:MM' (24h, server-local time). */
  dailyTime?: string;
  /** weekly: weekdays 0–6 (0=Sunday). */
  weeklyDays?: number[];
  /** weekly: 'HH:MM' (24h, server-local time). */
  weeklyTime?: string;

  enabled: boolean;
  notes?: string;
  /** Applies to automatic (scheduled) runs only. Manual Run Now always warns client-side. */
  concurrencyPolicy: ConcurrencyPolicy;
  /**
   * Close the still-open session created by this job's previous run before the
   * next run launches (via the normal session-cleanup path), so unattended
   * recurring jobs don't accumulate tabs until the global session cap.
   * Default true. Ignored for 'once' schedules.
   */
  autoClosePreviousSession?: boolean;

  // ── Bookkeeping (server-maintained) ─────────────────────────────────────
  createdAt: number;
  updatedAt: number;
  lastRunAt: number | null;
  nextRunAt: number | null;
  lastStatus: CronJobRunStatus | null;
  /** Duplicate-launch guard: identifies the most recent due-time consumed. */
  lastDueKey: string | null;
  /** True once a 'once' job has fired (it is also disabled). */
  completedOnce?: boolean;
}

/**
 * A single execution of a cron job (history record).
 */
export interface CronJobRun {
  id: string;
  cronJobId: string;
  sessionId: string | null;
  sessionName: string | null;
  startedAt: number;
  finishedAt: number | null;
  status: CronJobRunStatus;
  errorMessage?: string;
  triggerType: TriggerType;
  /** Best-effort deep link to the created session in the web UI. */
  createdSessionUrl: string | null;
}