package main

import (
	"time"

	log "github.com/sirupsen/logrus"
)

func transformRowsMssql(columns []ColumnType, in <-chan []UnknownRowValues, out chan<- []UnknownRowValues) {
	for rows := range in {
		log.Debugf("Chunk received, transforming...")

		for _, rowValues := range rows {
			for i, col := range columns {
				value := rowValues[i]
				if col.SystemType() == "uniqueidentifier" {
					if b, ok := value.([]byte); ok {
						rowValues[i] = mssqlUuidToBigEndian(b)
					}
				} else if col.SystemType() == "geometry" || col.SystemType() == "geography" {
					if b, ok := value.([]byte); ok {
						rowValues[i] = wkbToEwkbWithSrid(b, 4326)
					}
				} else if col.SystemType() == "datetime" || col.SystemType() == "datetime2" {
					if t, ok := value.(time.Time); ok {
						rowValues[i] = ensureUTC(t)
					}
				}
			}
		}

		out <- rows
	}
}