// Code scaffolded by goctl. Safe to edit.
// goctl 1.10.2

package applicationconfig

import (
	"context"
	"errors"
	"strings"

	"udeServer/internal/apierr"
	"udeServer/internal/audit"
	"udeServer/internal/log"
	"udeServer/internal/model"
	"udeServer/internal/svc"
	"udeServer/internal/types"

	"github.com/zeromicro/go-zero/core/logx"
)

type UpdateConfigLogic struct {
	logx.Logger
	ctx    context.Context
	svcCtx *svc.ServiceContext
}

// 更新配置(默认配置 edit_flag=1 不允许改配置项名)
func NewUpdateConfigLogic(ctx context.Context, svcCtx *svc.ServiceContext) *UpdateConfigLogic {
	return &UpdateConfigLogic{
		Logger: logx.WithContext(ctx),
		ctx:    ctx,
		svcCtx: svcCtx,
	}
}

func (l *UpdateConfigLogic) UpdateConfig(req *types.ConfigUpdateReq) (*types.ConfigUpdateResp, error) {
	if err := checkId(req.Id); err != nil {
		return nil, err
	}
	req.ConfigItem = trimSpace(req.ConfigItem)
	if req.ConfigItem == "" {
		return nil, apierr.BadRequest("配置项不能为空")
	}
	if strings.TrimSpace(req.ConfigValue) == "" {
		return nil, apierr.BadRequest("配置值不能为空")
	}

	config, err := l.svcCtx.ConfigModel.FindOne(l.ctx, req.Id)
	if errors.Is(err, model.ErrNotFound) {
		return nil, apierr.NotFound("config", req.Id)
	}
	if err != nil {
		log.RecordError(l.ctx, err)
		return nil, apierr.New(500, "查询系统配置失败")
	}

	// 默认配置只能改配置值,不允许换配置项名
	if config.EditFlag == editFlagProhibited && config.ConfigItem != req.ConfigItem {
		return nil, apierr.BadRequest("ID:[%d]的默认配置不能被编辑", req.Id)
	}

	// 更新之前校验这个配置项是否已经存在
	existing, err := l.svcCtx.ConfigModel.FindOneByConfigItem(l.ctx, req.ConfigItem)
	if err != nil && !errors.Is(err, model.ErrNotFound) {
		log.RecordError(l.ctx, err)
		return nil, apierr.New(500, "查询系统配置失败")
	}
	if existing != nil && existing.Id != req.Id {
		return nil, apierr.BadRequest("已存在同名:[%s]的应用配置项", req.ConfigItem)
	}

	if req.ConfigItem != "" {
		config.ConfigItem = req.ConfigItem
	}
	if req.ConfigValue != "" {
		config.ConfigValue = req.ConfigValue
	}
	config.Description = nullStr(req.Description)
	config.UpdatedBy = configOperatorName

	if err := l.svcCtx.ConfigModel.Update(l.ctx, config); err != nil {
		log.RecordError(l.ctx, err)
		return nil, apierr.New(500, "更新系统配置失败")
	}

	// 处于热加载白名单里的键,更新后重载 MinIO 客户端与审计日志配置
	if containsConfigKey(reloadableKeys, req.ConfigItem) {
		minioClient, logConfig := audit.GetGlobalConfig(l.svcCtx.ConfigModel)
		l.svcCtx.MinioClient = minioClient
		l.svcCtx.LogConfigManager = logConfig
	}

	return &types.ConfigUpdateResp{Id: req.Id}, nil
}