const db = require(`../config/dbMysqlConn`);
const MysqlHelpers = require(`../library/LibMysqlHelper`);

class DanaModels {

  static PK_ID = 1;
	static MINIMUM_AMT = 1000000; // 9M

  static list(filter = {}) {
    return new Promise(async (resolve, reject) => {
      let params = [], select = '', where = '', join = '', order_by = '', group_by = '', limit = '';

      if (filter['id']) {
        where += ' AND dana.id = ?';
        params.push(filter['id']);
      }

      if (filter['group_by']) {
        group_by = filter['group_by'];
      }

      if (filter['limit']) {
        limit = ' LIMIT ' + filter['limit'];
      }

      let query = `SELECT
      dana.*
      ${select}
      FROM t_dana as dana
      ${join}
      WHERE dana.id is not null
      ${where}
      ${group_by}
      ${order_by}
      ${limit}
      ;`;
      try {
        const conn = await MysqlHelpers.createConnection();
        const result = await MysqlHelpers.query(conn, query, params);
        await MysqlHelpers.releaseConnection(conn);
        resolve(result);
      } catch (e) {
        reject(e);
      }
      // db.query(query, params, function (err, resp) {
      //   if (err) {
      //     reject(err);
      //     return false;
      //   }
      //   resolve(resp);
      //   return true;
      // });
    });
  }

  static bundleUpdt (updtDana = {}) {
    return new Promise(async (resolve, reject) => {
      try {
        const conn = await MysqlHelpers.createConnection();
        await MysqlHelpers.createTrx(conn);

        let result = undefined;

        if (Object.keys(updtDana).length > 0) result = await MysqlHelpers.queryTrx(conn, `UPDATE t_dana SET ? WHERE id = ?;`, [updtDana, updtDana.id]);

        await MysqlHelpers.commit(conn);

        resolve({
          type: 'success',
          result,
        })
      } catch (err) {
        reject(err);
      }
    })
  }

}

module.exports = DanaModels;