#!/usr/bin/env bash

set -euo pipefail

# Colors for output
GREEN='\033[0;32m'
BLUE='\033[0;34m'
YELLOW='\033[1;33m'
RED='\033[0;31m'
NC='\033[0m'

log_info() {
    echo -e "${BLUE}[INFO]${NC} $1"
}

log_success() {
    echo -e "${GREEN}[SUCCESS]${NC} $1"
}

log_warning() {
    echo -e "${YELLOW}[WARNING]${NC} $1"
}

log_error() {
    echo -e "${RED}[ERROR]${NC} $1"
}

echo "=========================================="
echo "GitLab Cleanup and Redeployment"
echo "=========================================="
echo ""

# Check if storage class exists
log_info "Checking for storage class..."
if ! kubectl get storageclass local-path &> /dev/null; then
    log_error "Storage class 'local-path' not found!"
    log_info "Please run: ./install-local-path-storage.sh first"
    exit 1
fi

log_success "Storage class 'local-path' found"
echo ""

# Delete existing GitLab deployment
log_warning "Cleaning up existing GitLab deployment..."
if kubectl get namespace gitlab &> /dev/null; then
    log_info "Deleting GitLab deployment..."
    kubectl delete -k testing1/first-cluster/apps/gitlab/ --ignore-not-found=true || true

    log_info "Waiting for pods to terminate..."
    kubectl wait --for=delete pod --all -n gitlab --timeout=120s 2>/dev/null || true

    log_info "Deleting PVCs (this will delete all data!)..."
    kubectl delete pvc --all -n gitlab --ignore-not-found=true || true

    log_info "Waiting for PVCs to be deleted..."
    sleep 5

    log_success "Cleanup complete"
else
    log_info "GitLab namespace doesn't exist - nothing to clean up"
fi

echo ""

# Deploy GitLab
log_info "Deploying GitLab with local-path storage..."
kubectl apply -k testing1/first-cluster/apps/gitlab/

echo ""
log_info "Waiting for PVCs to be bound..."
sleep 5

# Check PVC status
kubectl get pvc -n gitlab

echo ""
log_info "Waiting for GitLab pod to be created..."
sleep 10

# Show pod status
kubectl get pods -n gitlab

echo ""
log_success "GitLab deployment initiated!"
echo ""

log_info "Monitor deployment progress with:"
echo "  kubectl get pods -n gitlab -w"
echo ""

log_info "GitLab will take 5-10 minutes to fully start up."
echo ""

log_info "Once running, access GitLab at:"
echo "  http://<node-ip>:30080"
echo ""

log_info "Get the initial root password with:"
echo "  kubectl exec -n gitlab deployment/gitlab -- grep 'Password:' /etc/gitlab/initial_root_password"
echo ""

echo "=========================================="