package worker

import (
	"context"

	"github.com/gogf/gf/v2/errors/gerror"
	"github.com/gogf/gf/v2/frame/g"

	"git.5iot.com/iotlcm-public/iotlcm-worker-svr/internal/producer/dailyusage"
	"git.5iot.com/iotlcm-public/iotlcm-worker-svr/internal/producer/monthlyusagehistory"
)

// Missing settings retain the serial path; explicit invalid values fail closed.
// Enabling channel mode requires validating idx_card_chan_key on the target DB.
func loadHistoryUsageScanSettings(ctx context.Context, section string) (string, int, error) {
	mode := g.Cfg().MustGet(ctx, section+".producer.scanMode", "serial").String()
	concurrency := g.Cfg().MustGet(ctx, section+".producer.scanConcurrency", 4).Int()
	var err error
	switch section {
	case "trafficUsageDailySync":
		err = dailyusage.ValidateScanSettings(mode, concurrency)
	case "trafficUsageMonthlyHistorySync":
		err = monthlyusagehistory.ValidateScanSettings(mode, concurrency)
	default:
		return "", 0, gerror.Newf("unknown history usage config section %q", section)
	}
	if err != nil {
		return "", 0, gerror.Wrap(err, "load history usage scan settings")
	}
	return mode, concurrency, nil
}