import Foundation
import SwiftUI
import CloudKit

extension SetsView {
    
    @MainActor class SetsViewModel: ViewModel {
        
        @Published var sets: [Set] = []
        
        private var db = CKContainer.default().privateCloudDatabase // Container CloudKit
        
        enum SetSortingKeys {
            case code, releaseDate, numberOfCards
        }
        
        func delete(_ recordId: CKRecord.ID) {
            db.delete(withRecordID: recordId) { deletedRecordId, error in
                if let error = error {
                    print(error)
                } else {
                    Task { 
                     let _: () = try await self.fetchSets()
                    }
                }
            }
        }
        
        func fetchSets() async throws {
            let query = CKQuery(recordType: SetRecordKeys.type.rawValue, predicate: NSPredicate(value: true))
            query.sortDescriptors = [NSSortDescriptor(key: "name", ascending: false)]
            let result = try await db.records(matching: query) // récupère les données qui correspondent aux critères
            let records = result.matchResults.compactMap { try? $0.1.get() } // Récupère les records
            
            sets.removeAll()
            
            records.forEach { record in
                sets.append(Set(record: record)!)
            }
            print(sets)
        }
    }
}