import BN from "bn.js";
import { Cell } from "../../../boc/cell";
import TonHttpProvider from "../../../providers/httpProvider";
import Address from "../../../utils/address";
import { Contract } from "../../contract";
import { NftContractDao } from "./nftContractDao";
import { nftGetStaticDataBody, nftTransferBody } from "./utils";

// https://github.com/ton-blockchain/token-contract/blob/1ad314a98d20b41241d5329e1786fc894ad811de/nft/nft-item.fc
const NFT_ITEM_CODE_HEX =
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

export interface NftItemOptions {
  wc?: number;
  index: number | BN;
  collectionAddress: Address;
  address?: Address | string;
  code?: Cell;
}

export class NftItem extends Contract {
  constructor(provider: TonHttpProvider, options: NftItemOptions) {
    options.wc = 0;
    options.code = options.code || Cell.oneFromBoc(NFT_ITEM_CODE_HEX);
    super(provider, options);
  }

  /**
   * @override
   * @private
   * @return {Cell} cell contains nft data
   */
  createDataCell() {
    const cell = new Cell();
    cell.bits.writeUint(this.options.index, 64);
    cell.bits.writeAddress(this.options.collectionAddress);
    return cell;
  }

  /**
   * @return {Promise<{isInitialized: boolean, index: number, itemIndex: BN, collectionAddress: Address|null, ownerAddress: Address|null, contentCell: Cell, contentUri: string|null}>}
   */
  getData = async () => {
    const myAddress = await this.getAddress();

    const dao = new NftContractDao(this.provider, myAddress);
    return dao.getData();
  };

  createTransferBody = nftTransferBody;
  createGetStaticDataBody = nftGetStaticDataBody;

  /**
   * for single nft without collection
   * @return {Promise<{royalty: number, royaltyFactor: number, royaltyBase: number, royaltyAddress: Address}>}
   */
  async getRoyaltyParams() {
    const myAddress = await this.getAddress();
    const dao = new NftContractDao(this.provider, myAddress);
    return dao.getRoyaltyParams();
  }
}