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

class LogbookKeysModels {

  static IS_INACTIVE = 0;
  static IS_ACTIVE = 1;

  // t_datatypes;
  static TEXT = 'string';
  static NUMBER = 'int';
  static IMG_BASE64 = 'img_base64';
  static COMMA = 'double';

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

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

      if (filter['join_type']) {
        select += ',lgb_type.name as type_name';
        join += ' LEFT JOIN t_lgb_types as lgb_type ON lgb_key.type = lgb_type.id';
      }

      if (filter['group_by']) group_by = ' GROUP BY ' + filter['group_by'];
      if (filter['order_by']) order_by = ' ORDER BY ' + filter['order_by'];
      if (filter['limit']) limit = ' LIMIT ' + filter['limit'];

      let query = `SELECT 
      lgb_key.*,lgb_key.id as lgb_id
      ${select}
      FROM t_lgb_keys as lgb_key
      ${join}
      WHERE lgb_key.dlt is 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 gets() {
    return new Promise(async (resolve, reject) => {
      let params = [];
      let query = 'SELECT * FROM t_lgb_keys WHERE dlt is null;';
      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 ins(ins = {}) {
    return new Promise(async (resolve, reject) => {
      try {
        const conn = await MysqlHelpers.createConnection();
        await MysqlHelpers.createTrx(conn);

        let result = undefined;
        if (Object.keys(ins).length > 0) result = await MysqlHelpers.queryTrx(conn, `INSERT t_lgb_keys SET ?;`, [ins]);

        await MysqlHelpers.commit(conn);

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

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

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

        await MysqlHelpers.commit(conn);

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

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

        let result = undefined;
        if (Object.keys(del).length > 0) result = await MysqlHelpers.queryTrx(conn, `DELETE t_lgb_keys WHERE id = ?;`, [del.id]);

        await MysqlHelpers.commit(conn);

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

}

module.exports = LogbookKeysModels;