package product

import (
	"context"
	"time"

	"perms-system-server/internal/consts"
	authHelper "perms-system-server/internal/logic/auth"
	"perms-system-server/internal/response"
	"perms-system-server/internal/svc"
	"perms-system-server/internal/types"

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

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

func NewUpdateProductLogic(ctx context.Context, svcCtx *svc.ServiceContext) *UpdateProductLogic {
	return &UpdateProductLogic{
		Logger: logx.WithContext(ctx),
		ctx:    ctx,
		svcCtx: svcCtx,
	}
}

// UpdateProduct 更新产品信息。仅超管可调用，可修改产品名称、备注和启用/禁用状态。禁用产品后其成员将无法访问。
func (l *UpdateProductLogic) UpdateProduct(req *types.UpdateProductReq) error {
	if err := authHelper.RequireSuperAdmin(l.ctx); err != nil {
		return err
	}

	if len(req.Name) > 64 {
		return response.ErrBadRequest("产品名称长度不能超过64个字符")
	}
	if len(req.Remark) > 255 {
		return response.ErrBadRequest("备注长度不能超过255个字符")
	}

	product, err := l.svcCtx.SysProductModel.FindOne(l.ctx, req.Id)
	if err != nil {
		return response.ErrNotFound("产品不存在")
	}

	product.Name = req.Name
	product.Remark = req.Remark
	if req.Status != 0 {
		if req.Status != consts.StatusEnabled && req.Status != consts.StatusDisabled {
			return response.ErrBadRequest("状态值无效，仅支持 1(启用) 和 2(禁用)")
		}
		product.Status = req.Status
	}
	product.UpdateTime = time.Now().Unix()

	if err := l.svcCtx.SysProductModel.Update(l.ctx, product); err != nil {
		return err
	}

	l.svcCtx.UserDetailsLoader.CleanByProduct(l.ctx, product.Code)
	return nil
}