package postservicelogic

import (
	"app-cloudep-tweeting-service/internal/domain"
	"context"
	"fmt"
	"strings"

	ers "code.30cm.net/digimon/library-go/errs"
	"code.30cm.net/digimon/library-go/errs/code"

	"app-cloudep-tweeting-service/gen_result/pb/tweeting"
	"app-cloudep-tweeting-service/internal/svc"

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

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

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

// DeletePostError 0502103 資料庫錯誤
func DeletePostError(s ...string) *ers.LibError {
	return ers.NewError(code.CloudEPTweeting, code.DBError,
		domain.DelPostError.ToUint32(),
		fmt.Sprintf("%s", strings.Join(s, " ")))
}

// DeletePostErrorL logs error message and returns Error
func DeletePostErrorL(l logx.Logger, filed []logx.LogField, s ...string) *ers.LibError {
	e := DeletePostError(s...)
	l.WithCallerSkip(1).WithFields(filed...).Error(e.Error())

	return e
}

// DeletePost 刪除貼文
func (l *DeletePostLogic) DeletePost(in *tweeting.DeletePostsReq) (*tweeting.OKResp, error) {
	_, err := l.svcCtx.PostModel.DeleteMany(l.ctx, in.GetPostId()...)
	if err != nil {
		e := DeletePostErrorL(
			logx.WithContext(l.ctx),
			[]logx.LogField{
				{Key: "req", Value: in},
				{Key: "func", Value: "PostModel.DeleteMany"},
				{Key: "err", Value: err},
			},
			"failed to del post").Wrap(err)
		return nil, e
	}

	return &tweeting.OKResp{}, nil
}