#!/bin/bash
set -e

SCRIPT_DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"
BACKEND_DIR="$(cd "$SCRIPT_DIR/../.." && pwd)"
ROOT_DIR="$(cd "$BACKEND_DIR/.." && pwd)"
ENV_FILE="$ROOT_DIR/.env"

REGISTRY="localhost:5000"
IMAGE_TAG="${IMAGE_TAG:-latest}"

echo "=== GooSeek K8s Deployment ==="
echo "Backend dir: $BACKEND_DIR"
echo "Registry:    $REGISTRY"
echo "Tag:         $IMAGE_TAG"

# Load .env
if [ -f "$ENV_FILE" ]; then
  echo "Loading env from $ENV_FILE"
  set -a
  source "$ENV_FILE"
  set +a
fi

# Check kubectl
if ! command -v kubectl &> /dev/null; then
    echo "Error: kubectl not found"
    exit 1
fi

# Build and push backend image
echo ""
echo "=== Building Go backend image ==="
cd "$BACKEND_DIR"
docker build -f deploy/docker/Dockerfile.all \
  -t "$REGISTRY/gooseek/backend:$IMAGE_TAG" \
  -t "$REGISTRY/gooseek/backend:latest" \
  .

echo "=== Pushing backend to registry ==="
docker push "$REGISTRY/gooseek/backend:$IMAGE_TAG"
docker push "$REGISTRY/gooseek/backend:latest"

# Build and push webui image
echo ""
echo "=== Building webui image ==="
docker build \
  -f "$BACKEND_DIR/webui/Dockerfile" \
  --build-arg "NEXT_PUBLIC_ENABLED_ROUTES=${NEXT_PUBLIC_ENABLED_ROUTES:-}" \
  --build-arg "NEXT_PUBLIC_TWOGIS_API_KEY=${NEXT_PUBLIC_TWOGIS_API_KEY:-}" \
  -t "$REGISTRY/gooseek/webui:$IMAGE_TAG" \
  -t "$REGISTRY/gooseek/webui:latest" \
  "$BACKEND_DIR/webui"

echo "=== Pushing webui to registry ==="
docker push "$REGISTRY/gooseek/webui:$IMAGE_TAG"
docker push "$REGISTRY/gooseek/webui:latest"

# Generate configmap/secrets from .env via envsubst
echo ""
echo "=== Generating K8s manifests from .env ==="
if command -v envsubst &> /dev/null && [ -f "$ENV_FILE" ]; then
    envsubst < "$SCRIPT_DIR/configmap.yaml" > "$SCRIPT_DIR/_generated_configmap.yaml"
    kubectl apply -f "$SCRIPT_DIR/_generated_configmap.yaml" -n gooseek
fi

# Apply kustomization
echo ""
echo "=== Applying K8s manifests ==="
cd "$SCRIPT_DIR"
kubectl apply -k .

# Rolling restart to pull new images
echo ""
echo "=== Rolling restart deployments ==="
kubectl -n gooseek rollout restart deployment/api-gateway
kubectl -n gooseek rollout restart deployment/webui
kubectl -n gooseek rollout restart deployment/chat-svc
kubectl -n gooseek rollout restart deployment/agent-svc
kubectl -n gooseek rollout restart deployment/discover-svc
kubectl -n gooseek rollout restart deployment/search-svc
kubectl -n gooseek rollout restart deployment/learning-svc
kubectl -n gooseek rollout restart deployment/medicine-svc
kubectl -n gooseek rollout restart deployment/travel-svc
kubectl -n gooseek rollout restart deployment/sandbox-svc

# Wait for rollout
echo ""
echo "=== Waiting for rollouts ==="
kubectl -n gooseek rollout status deployment/api-gateway --timeout=180s || true
kubectl -n gooseek rollout status deployment/chat-svc --timeout=120s || true
kubectl -n gooseek rollout status deployment/agent-svc --timeout=120s || true

# Show status
echo ""
echo "=== Deployment Status ==="
kubectl -n gooseek get pods -o wide
echo ""
kubectl -n gooseek get svc
echo ""
kubectl -n gooseek get ingress

echo ""
echo "=== Done ==="
echo "API: https://api.gooseek.ru"
echo "Web: https://gooseek.ru"