package user

import (
	"context"
	"time"

	"perms-system-server/internal/consts"
	"perms-system-server/internal/middleware"
	"perms-system-server/internal/response"
	"perms-system-server/internal/svc"
	"perms-system-server/internal/types"
	"perms-system-server/internal/util"

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

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

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

func (l *UpdateUserLogic) UpdateUser(req *types.UpdateUserReq) error {
	caller := middleware.GetUserDetails(l.ctx)
	if caller == nil {
		return response.ErrUnauthorized("未登录")
	}

	if caller.UserId == req.Id {
		if req.DeptId != nil || req.Status != 0 {
			return response.ErrForbidden("不允许修改自己的部门和状态")
		}
	} else {
		if !caller.IsSuperAdmin {
			return response.ErrForbidden("仅允许修改自己的信息或超管操作")
		}
	}

	user, err := l.svcCtx.SysUserModel.FindOne(l.ctx, req.Id)
	if err != nil {
		return response.ErrNotFound("用户不存在")
	}

	if req.Nickname != nil {
		user.Nickname = *req.Nickname
	}
	if req.Email != nil {
		if *req.Email != "" && !util.IsValidEmail(*req.Email) {
			return response.ErrBadRequest("邮箱格式不正确")
		}
		user.Email = *req.Email
	}
	if req.Phone != nil {
		if *req.Phone != "" && !util.IsValidPhone(*req.Phone) {
			return response.ErrBadRequest("手机号格式不正确")
		}
		user.Phone = *req.Phone
	}
	if req.Remark != nil {
		user.Remark = *req.Remark
	}
	if req.DeptId != nil {
		if *req.DeptId > 0 {
			if _, err := l.svcCtx.SysDeptModel.FindOne(l.ctx, *req.DeptId); err != nil {
				return response.ErrBadRequest("部门不存在")
			}
		}
		user.DeptId = *req.DeptId
	}
	if req.Status == consts.StatusEnabled || req.Status == consts.StatusDisabled {
		user.Status = req.Status
	}
	user.UpdateTime = time.Now().Unix()

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

	l.svcCtx.UserDetailsLoader.Clean(l.ctx, req.Id)
	return nil
}