package role

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

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

func (l *UpdateRoleLogic) UpdateRole(req *types.UpdateRoleReq) error {
	role, err := l.svcCtx.SysRoleModel.FindOne(l.ctx, req.Id)
	if err != nil {
		return response.ErrNotFound("角色不存在")
	}

	if err := authHelper.RequireProductAdminFor(l.ctx, role.ProductCode); err != nil {
		return err
	}

	if len(req.Name) > 64 {
		return response.ErrBadRequest("角色名长度不能超过64个字符")
	}
	if len(req.Remark) > 255 {
		return response.ErrBadRequest("备注长度不能超过255个字符")
	}

	if req.PermsLevel < 1 || req.PermsLevel > 999 {
		return response.ErrBadRequest("权限级别必须在 1-999 之间")
	}

	role.Name = req.Name
	role.Remark = req.Remark
	role.PermsLevel = req.PermsLevel
	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)")
		}
		role.Status = req.Status
	}
	role.UpdateTime = time.Now().Unix()

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

	affectedUserIds, _ := l.svcCtx.SysUserRoleModel.FindUserIdsByRoleId(l.ctx, req.Id)
	l.svcCtx.UserDetailsLoader.BatchDel(l.ctx, affectedUserIds, role.ProductCode)
	return nil
}