package listing

import (
	"context"
	"encoding/json"
	"strconv"
	"strings"
	"time"

	"hfb_sys/backend/internal/modules/systemconfig"
)

func (s *Service) reviewRequired(ctx context.Context) (bool, error) {
	if s.config == nil {
		return false, nil
	}
	value, err := s.config.FindValue(ctx, reviewRequiredConfigKey)
	if err != nil {
		return false, err
	}
	required, err := strconv.ParseBool(strings.TrimSpace(value))
	if err != nil {
		return false, nil
	}
	return required, nil
}

// externalPublishOptions 读取发布页的实时配置，供外部上传的皮肤归类与消耗品折算使用。
//
// 外部上传只收平铺的皮肤名与数量，需要按后台配置（而不是代码里的快照）还原分组与单价，
// 否则运营在后台新增皮肤/改价后，上传的商品会落进“其他皮肤”且按旧价折算。
func (s *Service) externalPublishOptions(ctx context.Context) systemconfig.PublishOptionsDTO {
	options := systemconfig.DefaultPublishOptions()
	if s == nil || s.config == nil {
		return options
	}
	value, err := s.config.FindValue(ctx, publishOptionsConfigKey)
	if err != nil || strings.TrimSpace(value) == "" {
		return options
	}
	var parsed systemconfig.PublishOptionsDTO
	if err := json.Unmarshal([]byte(value), &parsed); err != nil {
		return options
	}
	// 配置里只覆盖了一部分时，其余字段沿用默认值，避免整份配置失效。
	if len(parsed.SkinGroups) > 0 {
		options.SkinGroups = parsed.SkinGroups
	}
	if len(parsed.QuantityItems) > 0 {
		options.QuantityItems = parsed.QuantityItems
	}
	return options
}

func (s *Service) publishRules(ctx context.Context) (publishRules, error) {
	rules := publishRules{FireLevelMin: defaultFireLevelMin}
	if s.config == nil {
		return rules, nil
	}
	value, err := s.config.FindValue(ctx, publishOptionsConfigKey)
	if err != nil {
		return rules, err
	}
	var raw struct {
		FireLevelMin int `json:"fire_level_min"`
	}
	if err := json.Unmarshal([]byte(value), &raw); err != nil {
		return rules, nil
	}
	if raw.FireLevelMin > 0 {
		rules.FireLevelMin = raw.FireLevelMin
	}
	return rules, nil
}

func (s *Service) publishCooldown(ctx context.Context) (time.Duration, error) {
	if s.config == nil {
		return time.Duration(defaultPublishCooldownMinutes) * time.Minute, nil
	}
	value, err := s.config.FindValue(ctx, publishCooldownMinutesKey)
	if err != nil {
		return 0, err
	}
	minutes, err := strconv.Atoi(strings.TrimSpace(value))
	if err != nil {
		return time.Duration(defaultPublishCooldownMinutes) * time.Minute, nil
	}
	if minutes <= 0 {
		return 0, nil
	}
	return time.Duration(minutes) * time.Minute, nil
}