#!/bin/bash
set -euo pipefail

# runmefirst.sh — Full CI/CD pipeline infrastructure install
# Installs: Gitea config → Woodpecker CI → ArgoCD → Kargo
# Tears down ARC first (if present)
# Persists state on NFS volumes at nfs://192.168.42.8:/volume1/Kubernetes/pipelines

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

# -------------------------------------------------------
# 1. Create namespaces
# -------------------------------------------------------
echo "--- Step 1: Creating namespaces ---"
for ns in woodpecker argocd kargo stonks-beta stonks-paper; do
  kubectl create namespace "$ns" --dry-run=client -o yaml | kubectl apply -f -
  echo "  ✓ namespace/$ns"
done
echo ""

# -------------------------------------------------------
# 1b. Ensure proxy-ca-cert ConfigMap exists in pipeline namespaces
# -------------------------------------------------------
echo "--- Step 1b: Ensuring proxy CA cert ConfigMap ---"
CA_CERT_PATH="/home/celes/nixos-goblin-1-2-3/home.crt"
for ns in woodpecker argocd kargo; do
  if ! kubectl get configmap proxy-ca-cert -n "$ns" > /dev/null 2>&1; then
    kubectl create configmap proxy-ca-cert --from-file=ca.crt="$CA_CERT_PATH" -n "$ns"
    echo "  ✓ proxy-ca-cert created in $ns"
  else
    echo "  ✓ proxy-ca-cert already exists in $ns"
  fi
done
echo ""

# -------------------------------------------------------
# 2. Apply NFS PersistentVolumes
# -------------------------------------------------------
echo "--- Step 2: Applying NFS PersistentVolumes ---"
kubectl apply -f pvs/argocd-pv.yaml
kubectl apply -f pvs/kargo-pv.yaml
kubectl apply -f pvs/woodpecker-pv.yaml
echo "  ✓ PVs applied"
echo ""

# -------------------------------------------------------
# 3. Configure Gitea (admin user, repo, webhook config)
# -------------------------------------------------------
echo "--- Step 3: Configuring Gitea ---"
bash gitea/setup.sh
echo "  ✓ Gitea configured"

# Ensure Gitea allows webhook delivery to local/cluster addresses
GITEA_POD=$(kubectl get pods -n git-server -l app=gitea -o jsonpath='{.items[0].metadata.name}')
if ! kubectl exec -n git-server "$GITEA_POD" -- grep -q '\[webhook\]' /data/gitea/conf/app.ini 2>/dev/null; then
  kubectl exec -n git-server "$GITEA_POD" -- sh -c 'printf "\n[webhook]\nALLOWED_HOST_LIST = *\nSKIP_TLS_VERIFY = true\n" >> /data/gitea/conf/app.ini'
  kubectl rollout restart deployment/gitea -n git-server
  kubectl rollout status deployment/gitea -n git-server --timeout=60s
  echo "  ✓ Gitea webhook config added (ALLOWED_HOST_LIST=*)"
else
  echo "  ✓ Gitea webhook config already present"
fi
echo ""

# -------------------------------------------------------
# 4. Install Woodpecker CI via Helm
# -------------------------------------------------------
echo "--- Step 4: Installing Woodpecker CI ---"

# Check if Woodpecker is already installed (upgrade vs fresh install)
WOODPECKER_EXISTS=$(helm list -n woodpecker -q 2>/dev/null | grep -c woodpecker || true)

if [ "${WOODPECKER_EXISTS:-0}" -gt 0 ]; then
  # Upgrade — don't touch OAuth2 credentials, Woodpecker DB already has them
  echo "  Woodpecker already installed — upgrading (preserving OAuth2 grants)..."
  helm upgrade woodpecker oci://ghcr.io/woodpecker-ci/helm/woodpecker \
    --namespace woodpecker \
    --values woodpecker/values.yaml \
    --wait --timeout 5m
else
  # Fresh install — need fresh OAuth2 credentials from Gitea
  echo "  Fresh Woodpecker install — creating fresh OAuth2 app..."
  # Delete any existing OAuth2 app in Gitea (stale from previous install)
  GITEA_AUTH="Authorization: Basic $(echo -n 'admin:St0nks0racl3!' | base64)"
  GITEA_API="http://10.1.1.12:30300/api/v1"
  EXISTING_APP_ID=$(curl -s -H "$GITEA_AUTH" "$GITEA_API/user/applications/oauth2" | python3 -c '
import sys, json
for app in json.loads(sys.stdin.read()):
    if app.get("name") == "woodpecker-ci":
        print(app["id"])
        break
' 2>/dev/null || echo "")
  if [ -n "$EXISTING_APP_ID" ]; then
    curl -s -X DELETE -H "$GITEA_AUTH" "$GITEA_API/user/applications/oauth2/$EXISTING_APP_ID" > /dev/null
    echo "  Deleted stale OAuth2 app (id=$EXISTING_APP_ID)"
  fi
  # Create fresh OAuth2 app
  OAUTH2_RESP=$(curl -s -X POST "$GITEA_API/user/applications/oauth2" \
    -H "$GITEA_AUTH" -H "Content-Type: application/json" \
    -d '{"name":"woodpecker-ci","redirect_uris":["https://stonks-ci.celestium.life/authorize"],"confidential_client":true}')
  GITEA_CLIENT_ID=$(echo "$OAUTH2_RESP" | python3 -c "import sys,json; print(json.load(sys.stdin)['client_id'])")
  GITEA_CLIENT_SECRET=$(echo "$OAUTH2_RESP" | python3 -c "import sys,json; print(json.load(sys.stdin)['client_secret'])")
  echo "  ✓ OAuth2 app created (client_id: $GITEA_CLIENT_ID)"
  helm install woodpecker oci://ghcr.io/woodpecker-ci/helm/woodpecker \
    --namespace woodpecker \
    --values woodpecker/values.yaml \
    --set server.env.WOODPECKER_GITEA_CLIENT="${GITEA_CLIENT_ID}" \
    --set server.env.WOODPECKER_GITEA_SECRET="${GITEA_CLIENT_SECRET}" \
    --wait --timeout 5m
fi
echo "  ✓ Woodpecker CI installed"
echo ""

# -------------------------------------------------------
# 5. Apply Woodpecker agent RBAC
# -------------------------------------------------------
echo "--- Step 5: Applying Woodpecker agent RBAC ---"
kubectl apply -f woodpecker/agent-rbac.yaml
echo "  ✓ Agent RBAC applied"
echo ""

# -------------------------------------------------------
# 6. Install ArgoCD via Helm
# -------------------------------------------------------
echo "--- Step 6: Installing ArgoCD ---"
ARGOCD_EXISTS=$(helm list -n argocd -q 2>/dev/null | grep -c argocd || true)
if [ "${ARGOCD_EXISTS:-0}" -eq 0 ]; then
  # Fresh install — clean up leftover CRDs and SAs
  kubectl delete crd applications.argoproj.io applicationsets.argoproj.io appprojects.argoproj.io \
    --ignore-not-found --timeout=30s > /dev/null 2>&1 || true
  kubectl delete sa --all -n argocd --ignore-not-found --timeout=10s > /dev/null 2>&1 || true
  kubectl delete role --all -n argocd --ignore-not-found --timeout=10s > /dev/null 2>&1 || true
  kubectl delete rolebinding --all -n argocd --ignore-not-found --timeout=10s > /dev/null 2>&1 || true
fi
helm repo add argo https://argoproj.github.io/argo-helm || true
helm repo update
helm upgrade --install argocd argo/argo-cd \
  --namespace argocd \
  --values argocd/values.yaml \
  --wait --timeout 5m
echo "  ✓ ArgoCD installed"

# Apply repo secret and Applications
kubectl apply -f argocd/repo-secret.yaml
kubectl apply -f argocd/apps/stonks-beta.yaml
kubectl apply -f argocd/apps/stonks-paper.yaml
kubectl apply -f argocd/apps/stonks-live.yaml
echo "  ✓ ArgoCD repo secret and Applications applied"
echo ""

# -------------------------------------------------------
# 7. Install Kargo via Helm
# -------------------------------------------------------
echo "--- Step 7: Installing Kargo ---"
KARGO_EXISTS=$(helm list -n kargo -q 2>/dev/null | grep -c kargo || true)
if [ "${KARGO_EXISTS:-0}" -eq 0 ]; then
  # Fresh install — clean up leftover CRDs and SAs from previous installs
  kubectl delete crd freights.kargo.akuity.io projects.kargo.akuity.io stages.kargo.akuity.io \
    warehouses.kargo.akuity.io promotions.kargo.akuity.io promotiontasks.kargo.akuity.io \
    clusterpromotiontasks.kargo.akuity.io projectconfigs.kargo.akuity.io \
    clusterconfigs.kargo.akuity.io --ignore-not-found --timeout=30s > /dev/null 2>&1 || true
  kubectl delete sa --all -n kargo --ignore-not-found --timeout=10s > /dev/null 2>&1 || true
  kubectl delete role --all -n kargo --ignore-not-found --timeout=10s > /dev/null 2>&1 || true
  kubectl delete rolebinding --all -n kargo --ignore-not-found --timeout=10s > /dev/null 2>&1 || true
fi
helm upgrade --install kargo oci://ghcr.io/akuity/kargo-charts/kargo \
  --namespace kargo \
  --values kargo/values.yaml \
  --timeout 5m || true
# Kargo chart bug: controller deployment references SA 'kargo-controller' but chart doesn't create it
kubectl create serviceaccount kargo-controller -n kargo 2>/dev/null || true
# Wait for controller to stabilize
echo "  Waiting for kargo-controller..."
for i in $(seq 1 24); do
  if kubectl get pods -n kargo -l app.kubernetes.io/component=controller -o jsonpath='{.items[0].status.containerStatuses[0].ready}' 2>/dev/null | grep -q true; then
    break
  fi
  kubectl delete pod -n kargo -l app.kubernetes.io/component=controller --field-selector=status.phase=Failed --ignore-not-found > /dev/null 2>&1 || true
  sleep 5
done
echo "  ✓ Kargo installed"

# Apply Kargo resources
kubectl apply -f kargo/project.yaml
kubectl apply -f kargo/project-config.yaml
kubectl apply -f kargo/warehouse.yaml
kubectl apply -f kargo/market-hours-check.yaml
kubectl apply -f kargo/stages/beta.yaml
kubectl apply -f kargo/stages/paper.yaml
kubectl apply -f kargo/stages/live.yaml
echo "  ✓ Kargo project, warehouse, and stages applied"
echo ""

echo "=== Pipeline Infrastructure Install Complete ==="
echo ""
echo "Endpoints:"
echo "  Woodpecker CI: https://stonks-ci.celestium.life"
echo "  ArgoCD:        https://stonks-argocd.celestium.life"
echo "  Kargo:         https://stonks-kargo.celestium.life"