package basic

import (
	"context"
	"errors"
	"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"
	"gorm.io/gorm"
)

// 解散群组
func Disband(ctx context.Context, in *pb.IdentRequest) (reply *pb.DataStatusReply, err error) {
	// parse authorization meta.
	auth, err := service.ParseMetaCtx(ctx, nil)
	if err != nil {
		return nil, err
	}

	// valildate request id,identity.
	if in.Id == 0 && in.Identity == "" {
		return nil, errcode.ErrInvalidArgument
	}
	if in.Identity == "" {
		return nil, errcode.ErrInvalidArgument
	}

	// 校验群组存在，且仅群主可解散
	var group models.GroupBasic
	if err = impl.DBService.Where("identity=?", in.Identity).First(&group).Error; err != nil {
		printer.Error(err.Error())
		if errors.Is(err, gorm.ErrRecordNotFound) {
			return nil, errcode.ErrRecordNotFound
		}
		return nil, errcode.ErrDB
	}
	if group.PassportID != auth.ID {
		return nil, errcode.ErrPermissionDenied
	}

	// 软删除群组及其成员记录
	err = impl.DBService.Transaction(func(tx *gorm.DB) error {
		if e := tx.Where("identity=?", in.Identity).Delete(&models.GroupBasic{}).Error; e != nil {
			return e
		}
		if e := tx.Where("group_identity=?", in.Identity).Delete(&models.GroupMember{}).Error; e != nil {
			return e
		}
		return nil
	})
	if err != nil {
		printer.Error(err.Error())
		return nil, errcode.ErrDB
	}

	return &pb.DataStatusReply{
		Data:    vars.OK,
		Timeseq: time.Now().UnixMilli(),
	}, nil

}