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

namespace AyaNova.KPI
{
    internal class WorkOrderCompletedOnTimePct : 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 (
                                with subq as (
                                        SELECT  COUNT(AWORKORDER.ID) wocount, 
                                        DATE_TRUNC('{interval}',AWORKORDER.createddate) x,
                                        (aworkorder.laststatusid is not null AND AWORKORDERSTATUS.COMPLETED = TRUE AND laststate.created < aworkorder.completebydate) Z
                                        FROM AWORKORDER
                                        LEFT JOIN AWORKORDERSTATUS ON (AWORKORDER.LASTSTATUSID = AWORKORDERSTATUS.ID)
                                        LEFT JOIN LATERAL (SELECT created 
                                            FROM aworkorderstate		
                                            WHERE aworkorderstate.workorderid = aworkorder.id
                                            ORDER BY aworkorderstate.created DESC
                                            LIMIT 1) AS laststate ON TRUE
                                        where AWORKORDER.COMPLETEBYDATE < NOW() AND  {dateWhere} {woTagsWhere}
                                        GROUP BY x,z
                                )
                                select X,Z,
                                ROUND(wocount / sum(wocount) over (partition by X) * 100,2) as Y
                                from subq
                                order by x ASC                      
                            ) t";
            _metaQuery = string.Empty;
            // @"SELECT row_to_json(t) as res from (
            //                     select name from auser where id = 10
            //                 ) t";
        }


    }//eoc
}//eons