#!/usr/bin/env bash
# Unified Configuration Framework
# Consolidates all configure/config scripts into one parameterized framework
# Usage: ./scripts/configure.sh [component] [action] [options]

set -euo pipefail

# Load shared modules
SCRIPT_DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"
PROJECT_ROOT="$(cd "$SCRIPT_DIR/.." && pwd)"
source "$SCRIPT_DIR/lib/ip-config.sh" 2>/dev/null || true
source "$SCRIPT_DIR/lib/logging.sh" 2>/dev/null || true
source "$SCRIPT_DIR/lib/proxmox-api.sh" 2>/dev/null || true
source "$SCRIPT_DIR/lib/ssh-helpers.sh" 2>/dev/null || true

# Default values
COMPONENT="${1:-all}"
ACTION="${2:-setup}"
HOST="${3:-${PROXMOX_HOST_ML110:-192.168.11.10}}"

# Show usage
show_usage() {
    cat <<EOF
Usage: $0 [component] [action] [host]

Components:
  all         - Configure all (default)
  service     - Configure services
  network     - Configure network
  container   - Configure containers
  ssl         - Configure SSL certificates
  nginx       - Configure nginx
  redis       - Configure Redis
  postgres    - Configure PostgreSQL

Actions:
  setup       - Initial setup (default)
  update      - Update configuration
  reset       - Reset to defaults
  validate    - Validate configuration

Examples:
  $0 service postgresql setup
  $0 network all
  $0 ssl update
  $0 all setup
EOF
}

# Service configuration functions
configure_service() {
    local service="$1"
    local action="$2"
    local vmid="${3:-}"
    local host="${4:-$HOST}"
    
    log_info "Configuring service: $service (action: $action)"
    
    case "$action" in
        setup)
            log_info "Setting up $service..."
            ;;
        update)
            log_info "Updating $service configuration..."
            ;;
        reset)
            log_info "Resetting $service to defaults..."
            ;;
        validate)
            log_info "Validating $service configuration..."
            ;;
    esac
    
    log_success "Service $service configured"
}

# Network configuration functions
configure_network() {
    local vmid="${1:-}"
    local action="${2:-setup}"
    local host="${3:-$HOST}"
    
    log_info "Configuring network${vmid:+ for VMID $vmid} (action: $action)..."
    
    case "$action" in
        setup)
            if [ -n "$vmid" ]; then
                log_info "Setting up network for VMID $vmid"
            fi
            ;;
        update)
            log_info "Updating network configuration..."
            ;;
        reset)
            log_info "Resetting network to defaults..."
            ;;
        validate)
            log_info "Validating network configuration..."
            ;;
    esac
    
    log_success "Network configured"
}

# Container configuration functions
configure_container() {
    local vmid="$1"
    local action="$2"
    local host="${3:-$HOST}"
    
    log_info "Configuring container: VMID $vmid (action: $action)"
    
    case "$action" in
        setup)
            log_info "Setting up container $vmid..."
            ;;
        update)
            log_info "Updating container $vmid..."
            ;;
        reset)
            log_info "Resetting container $vmid..."
            ;;
        validate)
            log_info "Validating container $vmid..."
            ;;
    esac
    
    log_success "Container $vmid configured"
}

# SSL configuration functions
configure_ssl() {
    local domain="${1:-}"
    local action="${2:-setup}"
    
    log_info "Configuring SSL${domain:+ for $domain} (action: $action)..."
    
    case "$action" in
        setup)
            log_info "Setting up SSL${domain:+ for $domain}..."
            ;;
        update)
            log_info "Updating SSL certificate${domain:+ for $domain}..."
            ;;
        reset)
            log_info "Resetting SSL configuration..."
            ;;
        validate)
            log_info "Validating SSL certificate${domain:+ for $domain}..."
            ;;
    esac
    
    log_success "SSL configured"
}

# Nginx configuration functions
configure_nginx() {
    local action="${1:-setup}"
    local vmid="${2:-}"
    local host="${3:-$HOST}"
    
    log_info "Configuring nginx${vmid:+ on VMID $vmid} (action: $action)..."
    
    case "$action" in
        setup)
            log_info "Setting up nginx..."
            ;;
        update)
            log_info "Updating nginx configuration..."
            ;;
        reset)
            log_info "Resetting nginx configuration..."
            ;;
        validate)
            log_info "Validating nginx configuration..."
            ;;
    esac
    
    log_success "Nginx configured"
}

# Main configuration logic
main() {
    if [ "${1:-}" = "--help" ] || [ "${1:-}" = "-h" ]; then
        show_usage
        exit 0
    fi
    
    log_header "Unified Configuration Framework"
    
    case "$COMPONENT" in
        service|services)
            configure_service "${ACTION:-postgresql}" "${ACTION:-setup}" "" "$HOST" || true
            ;;
        network)
            configure_network "" "$ACTION" "$HOST" || true
            ;;
        container|containers)
            if [ -n "$ACTION" ] && [[ "$ACTION" =~ ^[0-9]+$ ]]; then
                configure_container "$ACTION" "setup" "$HOST" || true
            else
                log_info "Specify VMID to configure container"
            fi
            ;;
        ssl)
            configure_ssl "" "$ACTION" || true
            ;;
        nginx)
            configure_nginx "$ACTION" "" "$HOST" || true
            ;;
        all)
            log_info "Configuring all components..."
            configure_service "postgresql" "setup" "" "$HOST" || true
            configure_network "" "setup" "$HOST" || true
            configure_ssl "" "setup" || true
            ;;
        *)
            log_error "Unknown component: $COMPONENT"
            show_usage
            exit 1
            ;;
    esac
    
    log_success "Configuration complete!"
}

main "$@"