#!/usr/bin/env bash
set -euo pipefail

echo "[prepare-app] Preparing Task Manager for Kubernetes..."

# 1. Ensure minikube is running
if ! minikube status >/dev/null 2>&1; then
  echo "[prepare-app] minikube is not running. Starting it..."
  minikube start
else
  echo "[prepare-app] minikube is already running."
fi

# 2. Point local docker at minikube's daemon so images land inside the cluster
echo "[prepare-app] Switching docker context to minikube..."
eval "$(minikube -p minikube docker-env)"

# 3. Build the two custom images
echo "[prepare-app] Building taskapp-api:v1..."
docker build -t taskapp-api:v1 backend/

echo "[prepare-app] Building taskapp-web:v1..."
docker build -t taskapp-web:v1 frontend/

# 4. Create the hostPath directory on the minikube node
echo "[prepare-app] Creating /mnt/data/taskapp-db on the minikube node..."
minikube ssh -- "sudo mkdir -p /mnt/data/taskapp-db && sudo chmod 777 /mnt/data/taskapp-db"

# 5. Apply the namespace (so the PVC has a place to live) and the StatefulSet stack.
# The namespace must exist before namespaced objects (PVC, StatefulSet) can be created,
# so we apply and then poll for it to exist before continuing.
echo "[prepare-app] Creating Namespace, Secret, ConfigMap..."
kubectl apply -f namespace.yaml

echo "[prepare-app] Waiting for taskapp namespace to be available..."
for _ in $(seq 1 20); do
  if kubectl get namespace taskapp >/dev/null 2>&1; then
    break
  fi
  sleep 1
done

echo "[prepare-app] Creating PV, PVC, StatefulSet..."
kubectl apply -f statefulset.yaml

echo "[prepare-app] App prepared."
echo "[prepare-app] Run ./start-app.sh to bring up the rest."