#!/usr/bin/env bash
# =============================================================================
# planner-run.sh — Cron wrapper: direct planner execution via Claude + formula
#
# Runs daily (or on-demand). Guards against concurrent runs and low memory.
# Creates a tmux session with Claude (opus) reading formulas/run-planner.toml.
# No action issues — the planner is a nervous system component, not work.
#
# Usage:
#   planner-run.sh [projects/disinto.toml]   # project config (default: disinto)
# =============================================================================
set -euo pipefail

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

# Accept project config from argument; default to disinto (planner is disinto infrastructure)
export PROJECT_TOML="${1:-$FACTORY_ROOT/projects/disinto.toml}"
# shellcheck source=../lib/env.sh
source "$FACTORY_ROOT/lib/env.sh"
# shellcheck source=../lib/agent-session.sh
source "$FACTORY_ROOT/lib/agent-session.sh"
# shellcheck source=../lib/formula-session.sh
source "$FACTORY_ROOT/lib/formula-session.sh"

LOG_FILE="$SCRIPT_DIR/planner.log"
SESSION_NAME="planner-${PROJECT_NAME}"
PHASE_FILE="/tmp/planner-session-${PROJECT_NAME}.phase"

# shellcheck disable=SC2034  # read by monitor_phase_loop in lib/agent-session.sh
PHASE_POLL_INTERVAL=15

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

# ── Guards ────────────────────────────────────────────────────────────────
acquire_cron_lock "/tmp/planner-run.lock"
check_memory 2000

log "--- Planner run start ---"

# ── Load formula + context ───────────────────────────────────────────────
load_formula "$FACTORY_ROOT/formulas/run-planner.toml"
build_context_block VISION.md AGENTS.md RESOURCES.md

# ── Read planner memory ─────────────────────────────────────────────────
MEMORY_BLOCK=""
MEMORY_FILE="$FACTORY_ROOT/planner/MEMORY.md"
if [ -f "$MEMORY_FILE" ]; then
  MEMORY_BLOCK="
### planner/MEMORY.md (persistent memory from prior runs)
$(cat "$MEMORY_FILE")
"
fi

# ── Build prompt ─────────────────────────────────────────────────────────
PROMPT="You are the strategic planner for ${CODEBERG_REPO}. Work through the formula below. You MUST write PHASE:done to '${PHASE_FILE}' when finished — the orchestrator will time you out if you return to the prompt without signalling.

## Project context
${CONTEXT_BLOCK}${MEMORY_BLOCK}

## Formula
${FORMULA_CONTENT}

## Codeberg API reference
Base URL: ${CODEBERG_API}
Auth header: -H \"Authorization: token \$CODEBERG_TOKEN\"
  Read issue:  curl -sf -H \"Authorization: token \$CODEBERG_TOKEN\" '${CODEBERG_API}/issues/{number}' | jq '.body'
  Create issue: curl -sf -X POST -H \"Authorization: token \$CODEBERG_TOKEN\" -H 'Content-Type: application/json' '${CODEBERG_API}/issues' -d '{\"title\":\"...\",\"body\":\"...\",\"labels\":[LABEL_ID]}'
  Relabel:     curl -sf -H \"Authorization: token \$CODEBERG_TOKEN\" -X PUT -H 'Content-Type: application/json' '${CODEBERG_API}/issues/{number}/labels' -d '{\"labels\":[LABEL_ID]}'
  Comment:     curl -sf -H \"Authorization: token \$CODEBERG_TOKEN\" -X POST -H 'Content-Type: application/json' '${CODEBERG_API}/issues/{number}/comments' -d '{\"body\":\"...\"}'
  Close:       curl -sf -H \"Authorization: token \$CODEBERG_TOKEN\" -X PATCH -H 'Content-Type: application/json' '${CODEBERG_API}/issues/{number}' -d '{\"state\":\"closed\"}'
  List labels: curl -sf -H \"Authorization: token \$CODEBERG_TOKEN\" '${CODEBERG_API}/labels'
NEVER echo or include the actual token value in output — always reference \$CODEBERG_TOKEN.

## Environment
FACTORY_ROOT=${FACTORY_ROOT}
PROJECT_REPO_ROOT=${PROJECT_REPO_ROOT}
PRIMARY_BRANCH=${PRIMARY_BRANCH}

## Phase protocol (REQUIRED)
When all work is done:
  echo 'PHASE:done' > '${PHASE_FILE}'
On unrecoverable error:
  printf 'PHASE:failed\nReason: %s\n' 'describe error' > '${PHASE_FILE}'"

# ── Create tmux session ─────────────────────────────────────────────────
export CLAUDE_MODEL="opus"
if ! start_formula_session "$SESSION_NAME" "$PROJECT_REPO_ROOT" "$PHASE_FILE"; then
  exit 1
fi

agent_inject_into_session "$SESSION_NAME" "$PROMPT"
log "Prompt sent to tmux session"
matrix_send "planner" "Planner session started for ${CODEBERG_REPO}" 2>/dev/null || true

# ── Phase monitoring loop ────────────────────────────────────────────────
log "Monitoring phase file: ${PHASE_FILE}"
_FORMULA_CRASH_COUNT=0

monitor_phase_loop "$PHASE_FILE" 7200 "formula_phase_callback"

FINAL_PHASE=$(read_phase "$PHASE_FILE")
log "Final phase: ${FINAL_PHASE:-none}"

if [ "$FINAL_PHASE" != "PHASE:done" ]; then
  case "${_MONITOR_LOOP_EXIT:-}" in
    idle_prompt)
      log "planner: Claude returned to prompt without writing phase signal"
      ;;
    idle_timeout)
      log "planner: timed out after 2h with no phase signal"
      ;;
    *)
      log "planner finished without PHASE:done (phase: ${FINAL_PHASE:-none}, exit: ${_MONITOR_LOOP_EXIT:-})"
      ;;
  esac
fi

matrix_send "planner" "Planner session finished (${FINAL_PHASE:-no phase})" 2>/dev/null || true
log "--- Planner run done ---"