//
//  NCCollectionViewUnifiedSearch.swift
//  Nextcloud
//
//  Created by Marino Faggiana on 14/03/24.
//  Copyright © 2024 Marino Faggiana. All rights reserved.
//
//  Author Marino Faggiana <marino.faggiana@nextcloud.com>
//
//  This program is free software: you can redistribute it and/or modify
//  it under the terms of the GNU General Public License as published by
//  the Free Software Foundation, either version 3 of the License, or
//  (at your option) any later version.
//
//  This program is distributed in the hope that it will be useful,
//  but WITHOUT ANY WARRANTY; without even the implied warranty of
//  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
//  GNU General Public License for more details.
//
//  You should have received a copy of the GNU General Public License
//  along with this program.  If not, see <http://www.gnu.org/licenses/>.
//

import Foundation
import UIKit
import Queuer
import NextcloudKit
import RealmSwift

class NCCollectionViewUnifiedSearch: ConcurrentOperation, @unchecked Sendable {
    var collectionViewCommon: NCCollectionViewCommon
    var metadatas: [tableMetadata]
    var searchResult: NKSearchResult

    init(collectionViewCommon: NCCollectionViewCommon, metadatas: [tableMetadata], searchResult: NKSearchResult) {
        self.collectionViewCommon = collectionViewCommon
        self.metadatas = metadatas
        self.searchResult = searchResult
    }

    func reloadDataThenPerform(_ closure: @escaping (() -> Void)) {
        DispatchQueue.main.asyncAfter(deadline: .now() + 0.1) {
            CATransaction.begin()
            CATransaction.setCompletionBlock(closure)
            self.collectionViewCommon.collectionView.reloadData()
            CATransaction.commit()
        }
    }

    override func start() {
        guard !isCancelled else { return self.finish() }

        self.collectionViewCommon.dataSource.addSection(metadatas: metadatas, searchResult: searchResult)
        self.collectionViewCommon.searchResults?.append(self.searchResult)
        reloadDataThenPerform {
            self.finish()
        }
    }
}