#!/usr/bin/env bash
# =============================================================================
# planner-poll.sh — Cron wrapper: files action issue for run-planner formula
#
# Runs weekly (or on-demand). Guards against concurrent runs and low memory.
# Files an action issue referencing formulas/run-planner.toml; the action-agent
# picks it up and executes the planning steps in an interactive Claude session.
# =============================================================================
set -euo pipefail

SCRIPT_DIR="$(cd "$(dirname "$0")" && pwd)"
FACTORY_ROOT="$(dirname "$SCRIPT_DIR")"

# shellcheck source=../lib/env.sh
source "$FACTORY_ROOT/lib/env.sh"
# shellcheck source=../lib/file-action-issue.sh
source "$FACTORY_ROOT/lib/file-action-issue.sh"

LOG_FILE="$SCRIPT_DIR/planner.log"
LOCK_FILE="/tmp/planner-poll.lock"

log() { echo "[$(date -u +%Y-%m-%dT%H:%M:%S)Z] $*" >> "$LOG_FILE"; }

# ── Lock ──────────────────────────────────────────────────────────────────
if [ -f "$LOCK_FILE" ]; then
  LOCK_PID=$(cat "$LOCK_FILE" 2>/dev/null || true)
  if [ -n "$LOCK_PID" ] && kill -0 "$LOCK_PID" 2>/dev/null; then
    log "poll: planner running (PID $LOCK_PID)"
    exit 0
  fi
  rm -f "$LOCK_FILE"
fi
echo $$ > "$LOCK_FILE"
trap 'rm -f "$LOCK_FILE"' EXIT

# ── Memory guard ──────────────────────────────────────────────────────────
AVAIL_MB=$(free -m | awk '/Mem:/{print $7}')
if [ "${AVAIL_MB:-0}" -lt 2000 ]; then
  log "poll: skipping — only ${AVAIL_MB}MB available (need 2000)"
  exit 0
fi

log "--- Planner poll start ---"

# ── File action issue for run-planner formula ─────────────────────────────
ISSUE_BODY="---
formula: run-planner
model: opus
---

Periodic strategic planning run. The action-agent reads \`formulas/run-planner.toml\`
and executes the five phases: preflight, AGENTS.md update, prediction triage,
strategic planning (resource+leverage gap analysis), and memory update.

Filed automatically by \`planner-poll.sh\`."

_rc=0
file_action_issue "run-planner" "action: run-planner — periodic strategic planning" "$ISSUE_BODY" || _rc=$?
case "$_rc" in
  0) ;;
  1) log "poll: open run-planner action issue already exists — skipping"
     log "--- Planner poll done ---"
     exit 0 ;;
  2) log "ERROR: 'action' label not found — cannot file planner issue"
     exit 1 ;;
  *) log "ERROR: failed to create action issue for run-planner"
     exit 1 ;;
esac

log "Filed action issue #${FILED_ISSUE_NUM} for run-planner formula"
matrix_send "planner" "Filed action #${FILED_ISSUE_NUM}: run-planner — periodic strategic planning" 2>/dev/null || true

log "--- Planner poll done ---"