package member

import (
	"context"
	"time"

	"bsm/full/module/social/group/internal/impl"
	"bsm/full/module/social/group/internal/models"
	pb "bsm/full/module/social/group/pb"
	"git.apinb.com/bsm-sdk/core/errcode"
	"git.apinb.com/bsm-sdk/core/printer"
	"git.apinb.com/bsm-sdk/core/service"
	"git.apinb.com/bsm-sdk/core/vars"
)

// 踢人
func DoKick(ctx context.Context, in *pb.GroupOPRequest) (reply *pb.DataStatusReply, err error) {
	auth, err := service.ParseMetaCtx(ctx, nil)
	if err != nil {
		return nil, err
	}
	if in.GetGroupIdentity() == "" || in.GetIdentity() == "" {
		return nil, errcode.ErrInvalidArgument
	}

	// 判断操作者是不是该群的管理员或创建者
	var opRole int32
	if err = impl.DBService.Model(&models.GroupMember{}).
		Where("group_identity=? and passport_id=?", in.GroupIdentity, auth.ID).
		Pluck("role", &opRole).Error; err != nil {
		printer.Error(err.Error())
		return nil, errcode.ErrDB
	}
	if opRole <= ROLE_MEMBER {
		return nil, errcode.ErrPermissionDenied
	}

	// 目标成员必须属于该群组
	var target models.GroupMember
	if err = impl.DBService.Where("group_identity=? and identity=?", in.GroupIdentity, in.Identity).First(&target).Error; err != nil {
		printer.Error(err.Error())
		return nil, errcode.ErrRecordNotFound
	}
	// 禁止踢创建者，以及权限不低于操作者的成员
	if target.Role >= ROLE_CREATEOR || target.Role >= opRole {
		return nil, errcode.ErrPermissionDenied
	}

	res := impl.DBService.Where("group_identity=? and identity=?", in.GroupIdentity, in.Identity).Delete(&models.GroupMember{})
	if res.Error != nil {
		printer.Error(res.Error.Error())
		return nil, errcode.ErrDB
	}
	if res.RowsAffected > 0 {
		// 仅在确实删除成员后更新群组数据统计
		models.UpsetGroupMemberTotal(in.GroupIdentity, "-")
	}
	return &pb.DataStatusReply{
		Data:    vars.OK,
		Timeseq: time.Now().UnixMilli(),
	}, nil
}