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/monthlyusage"
)

// Startup-only. Explicit zero/negative concurrency and invalid modes fail
// initialization; omitted concurrency defaults to four channel queries.
func loadMonthlyUsageProducerConfig(ctx context.Context) (monthlyusage.Config, error) {
	config := monthlyusage.Config{
		ScanConcurrency:      g.Cfg().MustGet(ctx, "trafficUsageFullSync.producer.scanConcurrency", 4).Int(),
		PageSize:             g.Cfg().MustGet(ctx, "trafficUsageFullSync.producer.pageSize", 100).Int(),
		GlobalHighWaterMark:  g.Cfg().MustGet(ctx, "trafficUsageFullSync.producer.globalHighWaterMark", 0).Int64(),
		ChannelHighWaterMark: g.Cfg().MustGet(ctx, "trafficUsageFullSync.producer.channelHighWaterMark", 0).Int64(),
		PollInterval:         g.Cfg().MustGet(ctx, "trafficUsageFullSync.producer.pollInterval", "2s").Duration(),
		RunLockKey:           g.Cfg().MustGet(ctx, "trafficUsageFullSync.producer.runLockKey", "flow:producer:active").String(),
		RunLockTTL:           g.Cfg().MustGet(ctx, "trafficUsageFullSync.producer.runLockTTL", "5m").Duration(),
		RoundRetryEnabled:    true,
		MaxRounds:            g.Cfg().MustGet(ctx, "trafficUsageFullSync.retry.maxRounds", 5).Int(),
		FailureRetention:     g.Cfg().MustGet(ctx, "trafficUsageFullSync.retry.failureRetention", "720h").Duration(),
	}
	if err := monthlyusage.ValidateScanSettings(config.ScanConcurrency); err != nil {
		return monthlyusage.Config{}, gerror.Wrap(err, "load monthly usage producer config")
	}
	return config, nil
}