#!/usr/bin/env bash
# =============================================================================
# start-app.sh — Deploy all Kubernetes objects for the Task Manager
#
# Applies manifests in the correct dependency order:
#   1. Namespace
#   2. Secret + ConfigMap
#   3. PersistentVolumes + PersistentVolumeClaims (inside StatefulSet file)
#   4. StatefulSets (postgres, redis)
#   5. Deployments (api, frontend, adminer)
#   6. Services
#
# The script waits for the StatefulSets to be Ready before continuing so
# the API does not fail its readiness probe immediately.
# =============================================================================
set -euo pipefail

SCRIPT_DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"
NS="taskmanager"

echo "============================================="
echo "  Starting Task Manager on Kubernetes..."
echo "============================================="
echo ""

echo "[1/6] Creating Namespace..."
kubectl apply -f "$SCRIPT_DIR/namespace.yaml"

echo "[2/6] Applying Secrets and ConfigMaps..."
kubectl apply -f "$SCRIPT_DIR/configmap-secret.yaml"

echo "[3/6] Applying PersistentVolumes, PVCs and StatefulSets..."
kubectl apply -f "$SCRIPT_DIR/statefulset.yaml"

echo "[4/6] Waiting for postgres StatefulSet to be Ready..."
kubectl rollout status statefulset/postgres -n $NS --timeout=120s

echo "      Waiting for redis StatefulSet to be Ready..."
kubectl rollout status statefulset/redis -n $NS --timeout=60s

echo "[5/6] Applying Deployments..."
kubectl apply -f "$SCRIPT_DIR/deployment.yaml"

echo "[6/6] Applying Services..."
kubectl apply -f "$SCRIPT_DIR/service.yaml"

echo ""
echo "Waiting for API deployment to be ready..."
kubectl rollout status deployment/taskmanager-api -n $NS --timeout=120s

# Determine the node IP for NodePort access
NODE_IP=$(kubectl get nodes -o jsonpath='{.items[0].status.addresses[?(@.type=="InternalIP")].address}' 2>/dev/null || echo "localhost")

echo ""
echo "============================================="
echo "  ✓ Task Manager is running!"
echo ""
echo "  🌐 Task Manager:  http://${NODE_IP}:30080"
echo "  🗄️  Adminer (DB):  http://${NODE_IP}:30081"
echo ""
echo "  Adminer login:"
echo "    System:   PostgreSQL"
echo "    Server:   postgres"
echo "    Username: taskuser"
echo "    Password: taskpass"
echo "    Database: taskmanager"
echo "============================================="