using AyaNova.Biz;
using AyaNova.DataList;
using System.Collections.Generic;

namespace AyaNova.KPI
{
    internal class WorkOrderStatusCount : IAyaKPI
    {
        private string _metaQuery = null;
        private string _dataQuery = null;
        private string _errorMessage = null;

        public AuthorizationRoles AllowedRoles
        {
            get => AuthorizationRoles.BizAdmin
                   | AuthorizationRoles.BizAdminRestricted
                   | AuthorizationRoles.ServiceRestricted
                   | AuthorizationRoles.Service
                   | AuthorizationRoles.Accounting;
        }

        public string MetaQuery => _metaQuery;
        public string DataQuery => _dataQuery;
        public string ErrorMessage => _errorMessage;

        public void BuildQuery(KPIRequestOptions options, long userId)
        {
            //build data and meta queries

            //validate criteria exists
            if (!options.Criteria.ContainsKey("timeSpan"))
            {
                _errorMessage = "Missing 'timeSpan' criteria";
                return;
            }

            if (!options.Criteria.ContainsKey("interval"))
            {
                _errorMessage = "Missing 'interval' criteria";
                return;
            }

            var timeSpan = (string)options.Criteria["timeSpan"];
            var interval = (string)options.Criteria["interval"];
            var dateWhere = DataListSqlFilterCriteriaBuilder.DataFilterToColumnCriteria("aworkorder.createddate", UiFieldDataType.DateTime, "no-operator", timeSpan, options.ClientTimeStamp);
            var wotags = options.Criteria["wotags"].ToObject<List<string>>();
            bool wotagsany = options.Criteria["wotagsany"].ToObject<bool>();           
            string woTagsWhere = DataListSqlFilterCriteriaBuilder.TagFilterToSqlCriteriaHelper("aworkorder.tags", wotags, wotagsany);

            _dataQuery = @$"SELECT row_to_json(t) as res from (	
                                SELECT COUNT(AWORKORDER.ID) Y,DATE_TRUNC('{interval}',	AWORKORDER.createddate) X,	aworkorder.laststatusid Z
                                FROM AWORKORDER
                                LEFT JOIN AWORKORDERSTATUS ON (AWORKORDER.LASTSTATUSID = AWORKORDERSTATUS.ID) WHERE {dateWhere} {woTagsWhere}
                                GROUP BY Z, X
                                ORDER BY X ASC                        
                            ) t";
            _metaQuery = @"SELECT row_to_json(t) as res from (select id, name, color from aworkorderstatus order by name asc) t";
        }


    }//eoc
}//eons