package warningconfig

import (
	"context"

	"git.5iot.com/iotlcm-public/iotlcm-admin-svr/internal/library/batchimport"
	"git.5iot.com/iotlcm-public/iotlcm-admin-svr/internal/library/batchinput/excel"
)

func ParseExcelFileRows(ctx context.Context, filePath string, itemType int) ([]batchimport.Row, error) {
	parsedRows, err := excel.ParseFile(ctx, filePath, excel.ParseOptions{
		RequiredHeaders: requiredHeaders(itemType),
		SingleSheet:     true,
	})
	if err != nil {
		return nil, err
	}
	baseOptions, err := NormalizeContextOptions(itemType, defaultWarnUnit(itemType))
	if err != nil {
		return nil, err
	}
	rows := make([]batchimport.Row, 0, len(parsedRows))
	for _, parsed := range parsedRows {
		if itemType == warnItemTypeFlowPool {
			row := &Row{
				RowNo:        parsed.RowNo,
				ItemType:     warnItemTypeFlowPool,
				FlowPoolCode: excel.Field(parsed, poolHeaderCode),
				Config:       baseOptions,
				ConfigSet:    true,
			}
			row.Config, err = parseExcelRowOptions(parsed, itemType, baseOptions.WarnUnit)
			if err != nil {
				row.AddErrorReason(err.Error())
			}
			rows = append(rows, row)
			continue
		}
		row := &Row{
			RowNo:     parsed.RowNo,
			ItemType:  warnItemTypeCard,
			Iccid:     excel.Field(parsed, cardHeaderIccid),
			Msisdn:    excel.Field(parsed, cardHeaderMsisdn),
			Imsi:      excel.Field(parsed, cardHeaderImsi),
			Config:    baseOptions,
			ConfigSet: true,
		}
		row.Config, err = parseExcelRowOptions(parsed, itemType, baseOptions.WarnUnit)
		if err != nil {
			row.AddErrorReason(err.Error())
		}
		rows = append(rows, row)
	}
	return rows, nil
}

func defaultWarnUnit(itemType int) int {
	if itemType == warnItemTypeFlowPool {
		return warnUnitPercent
	}
	return warnUnitMb
}