interface ShippingAddress {
  city: string;
  address: string;
  zip: string;
}

export type Lang = 'en' | 'ar';

interface OrderHistoryItem {
  amount: string; // "0.00";
  status:
    | 'new'
    | 'processing'
    | 'complete'
    | 'refunded'
    | 'canceled'
    | 'unknown';
  purchased_at: string; // "2019-08-24T14:15:22Z";
  payment_method?: 'card' | 'cod';
  buyer?: Buyer;
  shipping_address?: ShippingAddress;
  items?: OrderItem[];
}

interface BuyerHistory {
  registered_since: string; // "2019-08-24T14:15:22Z";
  loyalty_level: number; // 0;
  wishlist_count?: number; //0;
  is_social_networks_connected?: boolean; // true;
  is_phone_number_verified?: boolean; // true;
  is_email_verified?: boolean; // true;
}

interface OrderItem {
  title: string; // 'Sample Item #1'
  quantity: number; // 1
  unit_price: string; // '300.00'
  category: string; // jeans / dress / shorts / etc
  description?: string; // 'To be displayed in tabby order information'
  product_url?: string; // https://tabby.store/p/SKU123
  reference_id?: string; // 'SKU123'
  brand?: string;
  color?: string;
  gender?: 'Male' | 'Female' | 'Kids' | 'Other';
  image_url?: string;
  discount_amount?: string; // "2.00"
}

interface Order {
  reference_id: string; // #xxxx-xxxxxx-xxxx
  items: OrderItem[];
  shipping_amount?: string; // '50'
  tax_amount?: string; // '500'
  discount_amount?: string; // '500'
}

interface Buyer {
  email: string;
  phone: string;
  name: string;
  dob?: string; // "2019-08-24"
}

// https://docs.tabby.ai/#operation/postCheckoutSession
export interface Payment {
  amount: string;
  currency: Currency; // ISO 4217 currency code for the payment amount.
  order: Order;
  buyer: Buyer;
  buyer_history: BuyerHistory;
  order_history: OrderHistoryItem[];
  shipping_address: ShippingAddress;
  description?: string;
  attachment?: {body: string; content_type: string};
}

export type TabbyPurchaseType = 'installments';

export type Currency = 'AED' | 'SAR' | 'KWD' | 'BHD' | 'QAR';

export interface TabbyCheckoutPayload {
  merchant_code: string; // 'ae',
  lang: Lang;
  payment: Payment;
}

export type ProductWebURL = {web_url: string};

export interface CheckoutSession {
  id: string;
  configuration: {
    available_products: {
      installments?: ProductWebURL[];
    };
    products: {
      installments?: {
        type: string; // 'installments'
        is_available: boolean;
        rejection_reason?: string;
      };
    };
  };
  payment: {id: string};
}

export const currencyDecimals: {[key in Currency]: number} = {
  AED: 2,
  SAR: 2,
  KWD: 3,
  BHD: 3,
  QAR: 2,
};

export const COUNTRY_NAME_BY_CURRENCY_MAP: Record<Currency, String> = {
  AED: 'emirates',
  SAR: 'saudi',
  KWD: 'kuwait',
  BHD: 'bahrain',
  QAR: 'qatar',
};