fix: improve cleanup rule display

internal/service/bot_settings.go

@@ -3,12 +3,20 @@ package service
 import (
 	"context"
 	"encoding/json"
+	"regexp"
 	"strconv"
 	"strings"
 
 	"github.com/ShukeBta/MediaStationGo/internal/repository"
 )
 
+var (
+	cleanupRuleWindowDaysRE = regexp.MustCompile(`(?i)(?:^|[_-])(\d+)[_-](\d+)\s*d(?:$|[_-])`)
+	cleanupRuleSingleDayRE  = regexp.MustCompile(`(?i)(?:^|[_-])(\d+)\s*d(?:$|[_-])`)
+	cleanupRuleHoursRE      = regexp.MustCompile(`(?i)(?:^|[_-])(\d+(?:\.\d+)?)\s*h(?:$|[_-])`)
+	cleanupRuleNumberRE     = regexp.MustCompile(`(?i)(?:^|[_-])(\d+)(?:$|[_-])`)
+)
+
 // Bot / 设备管控相关的设置键。全部存储在 settings 表，由管理员通过
 // Telegram Bot 命令调整。带安全默认值：所有"自动删号"策略默认关闭。
 const (
@@ -187,6 +195,7 @@ func normalizeCleanupRules(rules []accountCleanupRule) []accountCleanupRule {
 		if r.Name == "" {
 			r.Name = r.ID
 		}
+		inferCleanupRuleValuesFromID(&r)
 		if r.WindowDaysMin < 1 {
 			r.WindowDaysMin = 1
 		}
@@ -206,3 +215,76 @@ func normalizeCleanupRules(rules []accountCleanupRule) []accountCleanupRule {
 	}
 	return out
 }
+
+func inferCleanupRuleValuesFromID(rule *accountCleanupRule) {
+	if rule == nil {
+		return
+	}
+	key := strings.ToLower(strings.TrimSpace(rule.ID + "_" + rule.Name))
+	switch rule.Type {
+	case "watch_hours":
+		if minDays, maxDays := cleanupRuleWindowDays(key); minDays > 0 && maxDays > 0 {
+			rule.WindowDaysMin = minDays
+			rule.WindowDaysMax = maxDays
+		} else if days := cleanupRuleSingleDay(key); days > 0 {
+			rule.WindowDaysMin = days
+			rule.WindowDaysMax = days
+		}
+		if hours := cleanupRuleHours(key); hours > 0 {
+			rule.MinHours = hours
+		}
+	case "recent_login":
+		if days := cleanupRuleSingleDay(key); days > 0 {
+			rule.WindowDaysMax = days
+		}
+	case "account_age_grace":
+		if days := cleanupRuleSingleDay(key); days > 0 {
+			rule.MinCount = days
+		}
+	case "signin_streak":
+		if n := cleanupRuleTrailingNumber(key); n > 0 {
+			rule.MinCount = n
+		}
+	}
+}
+
+func cleanupRuleWindowDays(value string) (int, int) {
+	if m := cleanupRuleWindowDaysRE.FindStringSubmatch(value); len(m) >= 3 {
+		minDays, _ := strconv.Atoi(m[1])
+		maxDays, _ := strconv.Atoi(m[2])
+		if maxDays < minDays {
+			maxDays = minDays
+		}
+		return minDays, maxDays
+	}
+	return 0, 0
+}
+
+func cleanupRuleSingleDay(value string) int {
+	if m := cleanupRuleSingleDayRE.FindStringSubmatch(value); len(m) >= 2 {
+		days, _ := strconv.Atoi(m[1])
+		return days
+	}
+	return 0
+}
+
+func cleanupRuleHours(value string) float64 {
+	if m := cleanupRuleHoursRE.FindStringSubmatch(value); len(m) >= 2 {
+		hours, _ := strconv.ParseFloat(m[1], 64)
+		return hours
+	}
+	return 0
+}
+
+func cleanupRuleTrailingNumber(value string) int {
+	matches := cleanupRuleNumberRE.FindAllStringSubmatch(value, -1)
+	if len(matches) == 0 {
+		return 0
+	}
+	last := matches[len(matches)-1]
+	if len(last) < 2 {
+		return 0
+	}
+	n, _ := strconv.Atoi(last[1])
+	return n
+}