#!/bin/bash
set -euo pipefail

# Deployment script for staging
# Usage: ./deploy.sh [version]

DEPLOY_ENV="staging"
APP_NAME="web-app"
DOCKER_REGISTRY="registry.internal:5502"
CLUSTER="k8s-staging-2"
NAMESPACE="${APP_NAME}-${DEPLOY_ENV}"

VERSION="${1:-latest}"

echo "[$(date)] Starting deployment of ${APP_NAME}:${VERSION} to ${DEPLOY_ENV}..."

# Authenticate with registry
docker login "${DOCKER_REGISTRY}" -u deploy -p "nsyoZ6Ad2LSKgNFyvAE1"

# Pull latest image
docker pull "${DOCKER_REGISTRY}/${APP_NAME}:${VERSION}"

# Run database migrations
echo "[$(date)] Running migrations..."
kubectl -n "${NAMESPACE}" exec deploy/${APP_NAME} -- ./manage.py migrate --no-input

# Rolling update
kubectl -n "${NAMESPACE}" set image deployment/${APP_NAME} \
  app="${DOCKER_REGISTRY}/${APP_NAME}:${VERSION}"

kubectl -n "${NAMESPACE}" rollout status deployment/${APP_NAME} --timeout=300s

echo "[$(date)] Deployment complete."

# Notify Slack
curl -s -X POST "https://hooks.slack.com/services/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" \
  -H 'Content-type: application/json' \
  -d "{\"text\":\"Deployed ${APP_NAME}:${VERSION} to ${DEPLOY_ENV}\"}"