package usecase

import (
	"haixun-backend/internal/library/clock"
	"haixun-backend/internal/model/job/domain/entity"
)

const schedulePayloadKey = "_schedule"

// buildScheduleRunPayload clones the schedule template payload and injects scheduler metadata.
// Persisted timestamps use UTC unix nanoseconds; timezone is the cron interpretation zone.
func buildScheduleRunPayload(schedule *entity.Schedule, triggeredAtUTC int64) map[string]any {
	payload := map[string]any{}
	for key, value := range schedule.PayloadTemplate {
		payload[key] = value
	}
	payload[schedulePayloadKey] = map[string]any{
		"id":           schedule.ID.Hex(),
		"timezone":     schedule.Timezone,
		"cron":         schedule.Cron,
		"triggered_at": triggeredAtUTC,
		"storage_tz":   clock.StorageTimezone,
	}
	return payload
}