import { Api } from "../utils/api";
import { Paginator } from "../utils/paginator";
import { createParams } from "../utils/queryParams";

export class Ecommerce {
  private api: Api;

  /**
   * Creates a new ecommerce model.
   * @param api - The API client to use for making requests.
   */
  constructor(api: Api) {
    this.api = api;
  }

  get Orders() {
    return new Order(this.api);
  }

  get Subscriptions() {
    return new Subscription(this.api);
  }

  get Transactions() {
    return new Transaction(this.api);
  }
}

class Order {
  private api: Api;

  constructor(api: Api) {
    this.api = api;
  }

  async getOrders(params?: {
    limit?: number;
    offset?: number;
    since?: string;
    until?: string;
    paid?: boolean;
    order?: "order_date" | "update_date";
    contact_id?: number;
  }): Promise<Paginator<IOrder> | undefined> {
    const queryParams = params
      ? createParams(params, [
          "limit",
          "offset",
          "since",
          "until",
          "paid",
          "order",
          "contact_id",
        ])
      : "";
    const r = await this.api.get(`v1/orders?${queryParams.toString()}`);
    if (!r) return undefined;
    return Paginator.wrap(this.api, r, "orders");
  }

  async createOrder(
    options: {
      contact_id: number;
      lead_affiliate_id: number;
      order_date: string;
      order_title: string;
      order_type: string;
      promo_codes: string[];
      sales_affiliate_id: number;
      shipping_address: ShippingInformation;
    },
    data: IOrder
  ): Promise<IOrder | undefined> {
    const r = await this.api.post("v1/orders", {
      ...options,
      ...data,
    });
    if (!r) return undefined;
    return r as IOrder;
  }

  async getOrder(id: number): Promise<IOrder | undefined> {
    const r = await this.api.get(`v1/orders/${id}`);
    if (!r) return undefined;
    return r as IOrder;
  }

  async deleteOrder(id: number): Promise<boolean | undefined> {
    const r = await this.api.delete(`v1/orders/${id}`);
    if (!r) return undefined;
    return true;
  }

  async createItem(
    orderId: number,
    data: {
      description?: string;
      price?: number;
      product_id: number;
      quantity?: number;
    }
  ): Promise<IOrderItem | undefined> {
    const r = await this.api.post(`v1/orders/${orderId}/items`, data);
    if (!r) return undefined;
    return r as IOrderItem;
  }

  async deleteItem(
    orderId: number,
    itemId: number
  ): Promise<boolean | undefined> {
    const r = await this.api.delete(`v1/orders/${orderId}/items/${itemId}`);
    if (!r) return undefined;
    return true;
  }

  async getOrderPayments(orderId: number): Promise<object | undefined> {
    const r = await this.api.get(`v1/orders/${orderId}/payments`);
    if (!r) return undefined;
    return r;
  }

  async createOrderPayment(
    orderId: number,
    data: createOrderPayment
  ): Promise<object | undefined> {
    const r = await this.api.post(`v1/orders/${orderId}/payments`, data);
    if (!r) return undefined;
    return r;
  }

  async getOrderTransactions(
    orderId: number,
    options?: {
      contact_id?: number;
      limit?: number;
      offset?: number;
      since?: string;
      until?: string;
    }
  ): Promise<Paginator<ITransaction> | undefined> {
    const queryParams = options
      ? createParams(options, [
          "contact_id",
          "limit",
          "offset",
          "since",
          "until",
        ])
      : "";

    const r = await this.api.get(
      `v1/orders/${orderId}/transactions?${queryParams.toString()}`
    );

    if (!r) return undefined;
    return Paginator.wrap(this.api, r, "transactions");
  }
}

class Subscription {
  private api: Api;

  constructor(api: Api) {
    this.api = api;
  }

  async getSubscriptions(): Promise<SubscriptionWithPagination | undefined> {
    const r = await this.api.get("v1/subscriptions");
    if (!r) return undefined;
    return r as SubscriptionWithPagination;
  }

  async createSubscription(
    data: createSubscription
  ): Promise<ISubscription | undefined> {
    const r = await this.api.post("v1/subscriptions", data);
    if (!r) return undefined;
    return r as ISubscription;
  }
}

class Transaction {
  private api: Api;

  constructor(api: Api) {
    this.api = api;
  }

  async getTransactions(options?: {
    contact_id?: number;
    limit?: number;
    offset?: number;
    since?: string;
    until?: string;
  }): Promise<Paginator<ITransaction> | undefined> {
    const queryParams = options
      ? createParams(options, [
          "contact_id",
          "limit",
          "offset",
          "since",
          "until",
        ])
      : "";

    const r = await this.api.get(`v1/transactions?${queryParams.toString()}`);
    if (!r) return undefined;
    return Paginator.wrap(this.api, r, "transactions");
  }

  async getTransaction(id: number): Promise<ITransaction | undefined> {
    const r = await this.api.get(`v1/transactions/${id}`);
    if (!r) return undefined;
    return r as ITransaction;
  }
}