#!/usr/bin/env bash
# ==============================================================================
# evOo Platform — Hot-Reload & Physical Deployment Orchestrator
# Executive Lead: CTO Steve Jobs
# "Realität im Dateisystem vor Halluzination im Kopf."
# ==============================================================================

set -euo pipefail

SCRIPT_DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"
PORT="${PORT:-3088}"
PID_FILE="${SCRIPT_DIR}/.evoo_server.pid"
LOG_FILE="${SCRIPT_DIR}/deploy.log"

# Colors
GREEN='\033[0;32m'
CYAN='\033[0;36m'
YELLOW='\033[1;33m'
RED='\033[0;31m'
NC='\033[0m' # No Color

log() {
  echo -e "${CYAN}[evOo Deploy]${NC} $1"
}

success() {
  echo -e "${GREEN}[✓ SUCCESS]${NC} $1"
}

warn() {
  echo -e "${YELLOW}[⚠ WARNING]${NC} $1"
}

fail() {
  echo -e "${RED}[✗ FAILED]${NC} $1" >&2
  exit 1
}

echo "=========================================================="
echo "    evOo Autonomous Platform — Hot-Reload & Deploy        "
echo "    CTO: Steve Jobs | Port: ${PORT}                      "
echo "=========================================================="

# ------------------------------------------------------------------------------
# STEP 1: Physical Reality & Filesystem Audit (Zero Phantom Policy)
# ------------------------------------------------------------------------------
log "Prüfe physische Existenz aller Kern-Artefakte..."

REQUIRED_FILES=(
  "${SCRIPT_DIR}/ARCHITECTURE.md"
  "${SCRIPT_DIR}/evoo.config.json"
  "${SCRIPT_DIR}/evoo-platform/index.html"
  "${SCRIPT_DIR}/evoo-platform/styles.css"
  "${SCRIPT_DIR}/evoo-platform/app.js"
  "${SCRIPT_DIR}/evoo-platform/server.js"
  "${SCRIPT_DIR}/apex-trading/BLUEPRINT.md"
  "${SCRIPT_DIR}/apex-trading/config/trading.config.json"
  "${SCRIPT_DIR}/orchestrator/agents.json"
  "${SCRIPT_DIR}/orchestrator/agent_runner.py"
)

for file in "${REQUIRED_FILES[@]}"; do
  if [[ ! -f "$file" ]]; then
    fail "Physische Datei fehlt im Dateisystem: $file. Abbruch! Vision-Schleife verhindert."
  fi
done
success "100% Physische Dateisystem-Integrität bestätigt. Keine Phantom-Dateien."

# If user only wanted verification
if [[ "${1:-}" == "--check-only" ]]; then
  success "Check-only abgeschlossen. Alles physisch vorhanden."
  exit 0
fi

# ------------------------------------------------------------------------------
# STEP 2: Process Management / Hot-Reload
# ------------------------------------------------------------------------------
if [[ -f "$PID_FILE" ]]; then
  OLD_PID="$(cat "$PID_FILE" 2>/dev/null || true)"
  if [[ -n "$OLD_PID" ]] && kill -0 "$OLD_PID" 2>/dev/null; then
    log "Beende vorherige Server-Instanz (PID: $OLD_PID) für Hot-Reload..."
    kill "$OLD_PID" 2>/dev/null || true
    sleep 0.5
  fi
  rm -f "$PID_FILE"
fi

# Also ensure port is free
OCCUPIED_PID="$(lsof -ti tcp:"$PORT" 2>/dev/null || true)"
if [[ -n "$OCCUPIED_PID" ]]; then
  log "Port $PORT bereits belegt von PID $OCCUPIED_PID. Bereinige..."
  kill -9 $OCCUPIED_PID 2>/dev/null || true
  sleep 0.5
fi

# ------------------------------------------------------------------------------
# STEP 3: Server Start
# ------------------------------------------------------------------------------
log "Starte evOo Platform Server als robuster Daemon auf Port ${PORT}..."
export PORT

if [[ "${1:-}" == "serve" || "${1:-}" == "--foreground" ]]; then
  echo "$$" > "$PID_FILE"
  log "Server läuft im Vordergrund (Strg+C zum Beenden)..."
  exec node "${SCRIPT_DIR}/evoo-platform/server.js"
fi

# True detached POSIX daemon via setsid
python3 -c "import subprocess; subprocess.Popen(['node', '${SCRIPT_DIR}/evoo-platform/server.js'], cwd='${SCRIPT_DIR}', start_new_session=True, stdout=open('${LOG_FILE}', 'a'), stderr=subprocess.STDOUT)"

# Wait up to 5 seconds for healthcheck
log "Führe Healthcheck durch (http://127.0.0.1:${PORT}/health)..."
for i in {1..10}; do
  if curl -s "http://127.0.0.1:${PORT}/health" >/dev/null 2>&1; then
    HEALTH_RES="$(curl -s "http://127.0.0.1:${PORT}/health")"
    success "Platform Server antwortet: HTTP 200 OK!"
    echo -e "${CYAN}Health Response:${NC} $HEALTH_RES"
    break
  fi
  if [[ $i -eq 10 ]]; then
    fail "Server antwortet nicht innerhalb des Timeouts! Überprüfe $LOG_FILE"
  fi
  sleep 0.5
done

# ------------------------------------------------------------------------------
SERVER_PID="$(cat "$PID_FILE" 2>/dev/null || echo "active")"
echo ""
echo -e "${GREEN}==========================================================${NC}"
echo -e "${GREEN}    evOo PLATFORM ERFOLGREICH DEPLOYED & LIVE!            ${NC}"
echo -e "${GREEN}==========================================================${NC}"
echo -e "  🌐 Dashboard:       ${CYAN}http://127.0.0.1:${PORT}/${NC}"
echo -e "  💓 Healthcheck:     ${CYAN}http://127.0.0.1:${PORT}/health${NC}"
echo -e "  📊 Telemetrie API:  ${CYAN}http://127.0.0.1:${PORT}/api/status${NC}"
echo -e "  📑 Verfassung:      ${CYAN}${SCRIPT_DIR}/ARCHITECTURE.md${NC}"
echo -e "  📈 Apex Trading:    ${CYAN}${SCRIPT_DIR}/apex-trading/BLUEPRINT.md${NC}"
echo -e "  ⚙️ PID:             ${SERVER_PID}"
echo -e "${GREEN}==========================================================${NC}"