"use client";

// Rybbit Analytics Service
// Self-hosted instance at rybbit.nodecrew.me

declare global {
  interface Window {
    rybbit?: {
      event: (eventName: string, eventData?: Record<string, any>) => void;
      pageview: () => void;
    };
  }
}

export const RYBBIT_HOST = process.env.NEXT_PUBLIC_RYBBIT_HOST || "https://rybbit.nodecrew.me";
export const RYBBIT_SITE_ID = process.env.NEXT_PUBLIC_RYBBIT_SITE_ID || "1";

/**
 * Check if Rybbit is loaded and available
 */
export function isRybbitAvailable(): boolean {
  return typeof window !== "undefined" && 
         !!window.rybbit && 
         typeof window.rybbit.event === "function";
}

/**
 * Track a custom event with Rybbit
 */
export function trackRybbitEvent(
  eventName: string, 
  eventData?: Record<string, any>
): void {
  if (isRybbitAvailable()) {
    try {
      window.rybbit!.event(eventName, eventData);
    } catch (e) {
      console.warn("[Rybbit] Event tracking error:", e);
    }
  } else {
    console.warn("[Rybbit] Not available for event:", eventName);
  }
}

/**
 * Track page view manually (usually auto-tracked by Rybbit script)
 */
export function trackRybbitPageview(): void {
  if (isRybbitAvailable()) {
    try {
      window.rybbit!.pageview();
    } catch (e) {
      console.warn("[Rybbit] Pageview error:", e);
    }
  }
}

// E-commerce Event Tracking Functions

export function trackRybbitProductView(product: {
  id: string;
  name: string;
  price: number;
  currency: string;
  category?: string;
  variant?: string;
}): void {
  trackRybbitEvent("product_view", {
    product_id: product.id,
    product_name: product.name,
    price: product.price,
    currency: product.currency,
    category: product.category,
    variant: product.variant,
  });
}

export function trackRybbitAddToCart(product: {
  id: string;
  name: string;
  price: number;
  currency: string;
  quantity: number;
  variant?: string;
}): void {
  trackRybbitEvent("add_to_cart", {
    product_id: product.id,
    product_name: product.name,
    price: product.price,
    currency: product.currency,
    quantity: product.quantity,
    variant: product.variant,
  });
}

export function trackRybbitRemoveFromCart(product: {
  id: string;
  name: string;
  quantity: number;
}): void {
  trackRybbitEvent("remove_from_cart", {
    product_id: product.id,
    product_name: product.name,
    quantity: product.quantity,
  });
}

export function trackRybbitCartView(cart: {
  total: number;
  currency: string;
  item_count: number;
}): void {
  trackRybbitEvent("cart_view", {
    cart_total: cart.total,
    currency: cart.currency,
    item_count: cart.item_count,
  });
}

export function trackRybbitCheckoutStarted(cart: {
  total: number;
  currency: string;
  item_count: number;
  items: Array<{
    id: string;
    name: string;
    quantity: number;
    price: number;
  }>;
}): void {
  trackRybbitEvent("checkout_started", {
    cart_total: cart.total,
    currency: cart.currency,
    item_count: cart.item_count,
    items: cart.items,
  });
}

export function trackRybbitCheckoutStep(step: string, data?: Record<string, unknown>): void {
  trackRybbitEvent("checkout_step", {
    step,
    ...data,
  });
}

export function trackRybbitOrderCompleted(order: {
  order_id: string;
  order_number: string;
  total: number;
  currency: string;
  item_count: number;
  shipping_cost?: number;
  customer_email?: string;
  payment_method?: string;
}): void {
  trackRybbitEvent("order_completed", {
    order_id: order.order_id,
    order_number: order.order_number,
    total: order.total,
    currency: order.currency,
    item_count: order.item_count,
    shipping_cost: order.shipping_cost,
    customer_email: order.customer_email,
    payment_method: order.payment_method,
  });
}

export function trackRybbitSearch(query: string, results_count: number): void {
  trackRybbitEvent("search", {
    query,
    results_count,
  });
}

export function trackRybbitExternalLink(url: string, label?: string): void {
  trackRybbitEvent("external_link_click", {
    url,
    label,
  });
}

export function trackRybbitNewsletterSignup(email: string, source: string): void {
  trackRybbitEvent("newsletter_signup", {
    email,
    source,
  });
}

export function trackRybbitWishlistAdd(product: {
  id: string;
  name: string;
}): void {
  trackRybbitEvent("wishlist_add", {
    product_id: product.id,
    product_name: product.name,
  });
}

export function trackRybbitUserLogin(method: string): void {
  trackRybbitEvent("user_login", {
    method,
  });
}

export function trackRybbitUserRegister(method: string): void {
  trackRybbitEvent("user_register", {
    method,
  });
}