const log = require('j7/log');
const bcutils = require('j7/bcutils');
const utils = require('j7/utils');

class BoxOpenedProcess extends BaseService {

  async start(conn, event) {
    const {err, row} = await conn.ormSelectOne(
      't_boxopened_event',
      [
        ['txhash', event['transactionHash']],
        ['log_index', event['logIndex']],
      ]
    );
    if (err) {
      this.throwError(instance, err);
    }
    if (!row) {
      const blockNumber = event['blockNumber'];
      const returnValues = event['returnValues'];
      const fieldList = [
        ['box_token_id', returnValues['boxId']],
        ['txhash', event['transactionHash']],
        ['block_number', blockNumber],
        ['log_index', event['logIndex']],
        ['_to', bcutils.toNormalAddress(returnValues['to'])],
        ['raw_data', utils.jsonEncode(event)],
        ['createtime', utils.getUtcTime()],
        ['modifytime', utils.getUtcTime()],
      ];
      for (let i = 0; i < 3; ++i) {
        const id = returnValues['ids'][i];
        const type = returnValues['types'][i];
        if (id != '0') {
          fieldList.push(
            ['token_id' + (i + 1), id],
          );
          fieldList.push(['token_type' + (i + 1), type]),
          await this.mintNft(
            bcutils.toNormalAddress(returnValues['to']),
            blockNumber,
            id,
            type);
        }
      }
      const {err} = await conn.insert(
        't_boxopened_event',
        fieldList
      );
      if (err) {
        this.throwError(instance, err);
      }
    }
  }

  async mintNft(owner, blockNumber, tokenId, tokenType) {
    const {err, row} = await conn.ormSelectOne(
      't_nft',
      [
        ['token_id', tokenId],
      ]
    );
    if (err) {
      log.error('processEvent:' + err);
      throw 'processEvent:' + err;
    }
    if (!row) {
      const itemMeta = metaFactory.getMetaByKey('Item', 110001);
      if (!itemMeta) {
        return;
      }
      const nftItemId = itemMeta.randLuckBox(tokenType);
      if (nftItemId > 0) {
        const nowTime = utils.getUtcTime();
        const fieldList = [
          ['token_id', tokenId],
          ['token_type', tokenType],
          ['item_id', nftItemId],
          ['tags', tokenType == bcutils.HERO_TYPE ? '1' : 0],
          ['game_id', 2006],
          ['owner_address', bcutils.toNormalAddress(owner)],
          ['creator_address', bcutils.toNormalAddress(owner)],
          ['confirm_block_number', blockNumber],
          ['createtime', nowTime],
          ['modifytime', nowTime],
        ];
        await conn.insert(
          't_nft',
          fieldList
        );
      }
    }
  }

  throwError(instance, err) {
    const errMsg = 'processBoxOpenedEvent:' + utils.jsonEncode(instance) + ' err:' + err;
    throw errMsg;
  }

}

module.exports = BoxOpenedProcess;