#!/bin/bash
# AutoDeployer self-update sidecar
# Watches for a trigger file and rebuilds the autodeployer container.

PROJECT_DIR="/project"
TRIGGER_FILE="/trigger/update-trigger"
LOG_FILE="/trigger/update.log"

log() {
  echo "[$(date -Iseconds)] $1" | tee -a "$LOG_FILE"
}

do_update() {
  log "=== Self-update triggered ==="
  cd "$PROJECT_DIR" || { log "ERROR: project dir not found"; return 1; }

  log "Pulling latest changes..."
  if ! git pull --ff-only 2>&1 | tee -a "$LOG_FILE"; then
    log "ERROR: git pull failed"
    echo "failed" > /trigger/update-status
    return 1
  fi

  log "Rebuilding autodeployer..."
  if ! docker compose up -d --build --no-deps autodeployer 2>&1 | tee -a "$LOG_FILE"; then
    log "ERROR: docker compose up failed"
    echo "failed" > /trigger/update-status
    return 1
  fi

  log "=== Self-update completed ==="
  echo "success" > /trigger/update-status
  return 0
}

log "Updater sidecar started, watching $TRIGGER_FILE"

while true; do
  if [ -f "$TRIGGER_FILE" ]; then
    rm -f "$TRIGGER_FILE"
    echo "updating" > /trigger/update-status
    do_update
  fi
  sleep 2
done