package repo

import (
	"context"

	"github.com/google/uuid"
	"github.com/hay-kot/homebox/backend/ent"
	"github.com/hay-kot/homebox/backend/ent/attachment"
)

// AttachmentRepo is a repository for Attachments table that links Items to Documents
// While also specifying the type of the attachment. This _ONLY_ provides basic Create Update
// And Delete operations. For accessing the actual documents, use the Items repository since it
// provides the attachments with the documents.
type AttachmentRepo struct {
	db *ent.Client
}

func (r *AttachmentRepo) Create(ctx context.Context, itemId, docId uuid.UUID, typ attachment.Type) (*ent.Attachment, error) {
	return r.db.Attachment.Create().
		SetType(typ).
		SetDocumentID(docId).
		SetItemID(itemId).
		Save(ctx)
}

func (r *AttachmentRepo) Get(ctx context.Context, id uuid.UUID) (*ent.Attachment, error) {
	return r.db.Attachment.
		Query().
		Where(attachment.ID(id)).
		WithItem().
		WithDocument().
		Only(ctx)
}

func (r *AttachmentRepo) Update(ctx context.Context, itemId uuid.UUID, typ attachment.Type) (*ent.Attachment, error) {
	itm, err := r.db.Attachment.UpdateOneID(itemId).
		SetType(typ).
		Save(ctx)

	if err != nil {
		return nil, err
	}

	return r.Get(ctx, itm.ID)
}

func (r *AttachmentRepo) Delete(ctx context.Context, id uuid.UUID) error {
	return r.db.Attachment.DeleteOneID(id).Exec(ctx)
}