//
//  UploadView.swift
//  Browse
//
//  Created by Javier Cicchelli on 17/12/2022.
//  Copyright © 2022 Röck+Cöde. All rights reserved.
//

import DataModels
import Foundation
import KeychainStorage
import SwiftUI


struct UploadView: View {
    
    // MARK: Storages
    
    @KeychainStorage(key: .KeychainStorage.account) private var account: Account?
    
    // MARK: States
    
    @State private var urls: [URL] = []
    
    // MARK: Properties
    
    let id: String
    let uploaded: ActionClosure
    
    private let uploadFile: UploadFileUseCase = .init()

    // MARK: Body
    
    var body: some View {
        SelectDocumentPicker { urls in
            Task { await addFile(from: urls) }
        }
    }

}

// MARK: - Helpers

private extension UploadView {
    func addFile(from urls: [URL]) async {
        guard let url = urls.first else {
            // TODO: Handle this error case.
            return
        }
        guard let account else {
            // TODO: Handle this error case.
            return
        }
        
        do {
            try await uploadFile(
                id: id,
                url: url,
                username: account.username,
                password: account.password
            )

            uploaded()
        } catch {
            // TODO: Handle this error case.
        }
    }
}

// MARK: - Previews

struct UploadView_Previews: PreviewProvider {
    static var previews: some View {
        UploadView(id: "1234567890") {
            // uploaded closure.
        }
    }
}