package systemconfig

import (
	"strconv"
	"strings"

	smsnode "hfb_sys/backend/internal/modules/sms"
)

// DistributionSettlementHoldDaysKey 是「新建分销站点默认结算冷却天数」的系统配置键。
const DistributionSettlementHoldDaysKey = "distribution.default_settlement_hold_days"

// DefaultDistributionSettlementHoldDays 是新建分销站点默认结算冷却天数的兜底值。
const DefaultDistributionSettlementHoldDays = 7

func defaultDistributionSettlementHoldDaysValue() string {
	return strconv.Itoa(DefaultDistributionSettlementHoldDays)
}

// ParseDistributionSettlementHoldDays 解析结算冷却天数配置，为空、非法或越界时回落到默认 7 天。
func ParseDistributionSettlementHoldDays(raw string) int {
	days, err := strconv.Atoi(strings.TrimSpace(raw))
	if err != nil || days < 0 || days > 365 {
		return DefaultDistributionSettlementHoldDays
	}
	return days
}

// validateConfigValue 按配置键分发校验逻辑，未注册校验的键直接放行。
func validateConfigValue(key, value string) error {
	switch key {
	case DistributionSettlementHoldDaysKey:
		return validateDistributionSettlementHoldDays(value)
	case smsnode.ConfigKey:
		if _, err := smsnode.ParseConfigValue(value); err != nil {
			return ErrInvalidConfig
		}
		return nil
	default:
		return nil
	}
}

func validateDistributionSettlementHoldDays(value string) error {
	days, err := strconv.Atoi(strings.TrimSpace(value))
	if err != nil || days < 0 || days > 365 {
		return ErrInvalidConfig
	}
	return nil
}