#\!/bin/bash

set -e
set -o pipefail

# Usage function
usage() {
    echo "Usage: wild-cluster-services-configure [options] [service...]"
    echo ""
    echo "Compile service templates with configuration"
    echo ""
    echo "Arguments:"
    echo "  service             Specific service(s) to compile (optional)"
    echo ""
    echo "Options:"
    echo "  -h, --help          Show this help message"
    echo ""
    echo "Examples:"
    echo "  wild-cluster-services-configure                    # Compile all services"
    echo "  wild-cluster-services-configure metallb traefik    # Compile specific services"
    echo ""
    echo "Available services:"
    echo "  metallb, longhorn, traefik, coredns, cert-manager,"
    echo "  externaldns, kubernetes-dashboard, nfs, docker-registry"
}

# Parse arguments
DRY_RUN=false
LIST_SERVICES=false
SPECIFIC_SERVICES=()

while [[ $# -gt 0 ]]; do
    case $1 in
        -h|--help)
            usage
            exit 0
            ;;
        --dry-run)
            DRY_RUN=true
            shift
            ;;
        -*)
            echo "Unknown option $1"
            usage
            exit 1
            ;;
        *)
            SPECIFIC_SERVICES+=("$1")
            shift
            ;;
    esac
done

# Initialize Wild Cloud environment
if [ -z "${WC_ROOT}" ]; then
    print "WC_ROOT is not set."
    exit 1
else
    source "${WC_ROOT}/scripts/common.sh"
    init_wild_env
fi

CLUSTER_SETUP_DIR="${WC_HOME}/setup/cluster-services"

# Check if cluster setup directory exists
if [ ! -d "$CLUSTER_SETUP_DIR" ]; then
    print_error "Cluster services setup directory not found: $CLUSTER_SETUP_DIR"
    print_info "Run 'wild-cluster-services-generate' first to generate setup files"
    exit 1
fi

# =============================================================================
# CLUSTER SERVICES TEMPLATE COMPILATION
# =============================================================================

print_header "Cluster services template compilation"

# Get list of services to compile
if [ ${#SPECIFIC_SERVICES[@]} -gt 0 ]; then
    SERVICES_TO_INSTALL=("${SPECIFIC_SERVICES[@]}")
    print_info "Compiling specific services: ${SERVICES_TO_INSTALL[*]}"
else
    # Compile all available services in a specific order for dependencies
    SERVICES_TO_INSTALL=(
        "metallb"
        "longhorn" 
        "traefik"
        "coredns"
        "cert-manager"
        "externaldns"
        "kubernetes-dashboard"
        "nfs"
        "docker-registry"
    )
    print_info "Installing all available services"
fi

print_info "Services to compile: ${SERVICES_TO_INSTALL[*]}"

# Compile services
cd "$CLUSTER_SETUP_DIR"
INSTALLED_COUNT=0
FAILED_COUNT=0

for service in "${SERVICES_TO_INSTALL[@]}"; do
    print_info "Compiling $service"

    service_dir="$CLUSTER_SETUP_DIR/$service"
    source_service_dir="$service_dir/kustomize.template"
    dest_service_dir="$service_dir/kustomize"

    # Run configuration to make sure we have the template values we need.
    config_script="$service_dir/configure.sh"
    if [ -f "$config_script" ]; then
        source "$config_script"
    fi

    wild-compile-template-dir --clean "$source_service_dir" "$dest_service_dir"
    echo ""
done

cd - >/dev/null

print_success "Successfully compiled: $INSTALLED_COUNT services"