#!/usr/bin/env bash
# start-loops.sh — Start all Hermes agent loops (orchestrator + workers)
# Validates model health, cleans stale state, launches loops with nohup.
# Part of Gitea issue #126.
#
# Usage: start-loops.sh

set -euo pipefail

HERMES_BIN="$HOME/.hermes/bin"
SCRIPT_DIR="$(cd "$(dirname "$0")" && pwd)"
LOG_DIR="$HOME/.hermes/logs"
CLAUDE_LOCKS="$LOG_DIR/claude-locks"
GEMINI_LOCKS="$LOG_DIR/gemini-locks"

mkdir -p "$LOG_DIR" "$CLAUDE_LOCKS" "$GEMINI_LOCKS"

log() {
  echo "[$(date '+%Y-%m-%d %H:%M:%S')] START-LOOPS: $*"
}

# ── 1. Model health check ────────────────────────────────────────────
log "Running model health check..."
if ! bash "$SCRIPT_DIR/model-health-check.sh"; then
  log "FATAL: Model health check failed. Aborting loop startup."
  exit 1
fi
log "Model health check passed."

# ── 2. Kill stale loop processes ──────────────────────────────────────
log "Killing stale loop processes..."
for proc_name in claude-loop gemini-loop timmy-orchestrator; do
  pids=$(pgrep -f "${proc_name}\\.sh" 2>/dev/null || true)
  if [ -n "$pids" ]; then
    log "  Killing stale $proc_name PIDs: $pids"
    echo "$pids" | xargs kill 2>/dev/null || true
    sleep 1
    # Force-kill any survivors
    pids=$(pgrep -f "${proc_name}\\.sh" 2>/dev/null || true)
    if [ -n "$pids" ]; then
      echo "$pids" | xargs kill -9 2>/dev/null || true
    fi
  else
    log "  No stale $proc_name found."
  fi
done

# ── 3. Clear lock directories ────────────────────────────────────────
log "Clearing lock dirs..."
rm -rf "${CLAUDE_LOCKS:?}"/*
rm -rf "${GEMINI_LOCKS:?}"/*
log "  Cleared $CLAUDE_LOCKS and $GEMINI_LOCKS"

# ── 4. Launch loops with nohup ───────────────────────────────────────
log "Launching timmy-orchestrator..."
nohup bash "$HERMES_BIN/timmy-orchestrator.sh" \
  >> "$LOG_DIR/timmy-orchestrator-nohup.log" 2>&1 &
ORCH_PID=$!
log "  timmy-orchestrator PID: $ORCH_PID"

log "Launching claude-loop (5 workers)..."
nohup bash "$HERMES_BIN/claude-loop.sh" 5 \
  >> "$LOG_DIR/claude-loop-nohup.log" 2>&1 &
CLAUDE_PID=$!
log "  claude-loop PID: $CLAUDE_PID"

log "Launching gemini-loop (3 workers)..."
nohup bash "$HERMES_BIN/gemini-loop.sh" 3 \
  >> "$LOG_DIR/gemini-loop-nohup.log" 2>&1 &
GEMINI_PID=$!
log "  gemini-loop PID: $GEMINI_PID"

# ── 5. PID summary ───────────────────────────────────────────────────
log "Waiting 3s for processes to settle..."
sleep 3

echo ""
echo "═══════════════════════════════════════════════════"
echo "  HERMES LOOP STATUS"
echo "═══════════════════════════════════════════════════"
printf "  %-25s %s\n" "PROCESS" "PID / STATUS"
echo "───────────────────────────────────────────────────"

for entry in "timmy-orchestrator:$ORCH_PID" "claude-loop:$CLAUDE_PID" "gemini-loop:$GEMINI_PID"; do
  name="${entry%%:*}"
  pid="${entry##*:}"
  if kill -0 "$pid" 2>/dev/null; then
    printf "  %-25s %s\n" "$name" "$pid ✓ running"
  else
    printf "  %-25s %s\n" "$name" "$pid ✗ DEAD"
  fi
done

echo "───────────────────────────────────────────────────"
echo "  Logs: $LOG_DIR/*-nohup.log"
echo "═══════════════════════════════════════════════════"
echo ""
log "All loops launched."