SideStore/SideStoreApp/Sources/SideStoreAppKit/Settings/RefreshAttemptsViewController.swift

//
//  RefreshAttemptsViewController.swift
//  AltStore
//
//  Created by Riley Testut on 7/31/19.
//  Copyright © 2019 Riley Testut. All rights reserved.
//

import UIKit

import SideStoreCore
import RoxasUIKit

@objc(RefreshAttemptTableViewCell)
private final class RefreshAttemptTableViewCell: UITableViewCell {
    @IBOutlet var successLabel: UILabel!
    @IBOutlet var dateLabel: UILabel!
    @IBOutlet var errorDescriptionLabel: UILabel!
}

final class RefreshAttemptsViewController: UITableViewController {
    private lazy var dataSource = self.makeDataSource()

    private lazy var dateFormatter: DateFormatter = {
        let dateFormatter = DateFormatter()
        dateFormatter.dateStyle = .short
        dateFormatter.timeStyle = .short
        return dateFormatter
    }()

    override func viewDidLoad() {
        super.viewDidLoad()

        tableView.dataSource = dataSource
    }
}

private extension RefreshAttemptsViewController {
    func makeDataSource() -> RSTFetchedResultsTableViewDataSource<RefreshAttempt> {
        let fetchRequest = RefreshAttempt.fetchRequest() as NSFetchRequest<RefreshAttempt>
        fetchRequest.sortDescriptors = [NSSortDescriptor(keyPath: \RefreshAttempt.date, ascending: false)]
        fetchRequest.returnsObjectsAsFaults = false

        let dataSource = RSTFetchedResultsTableViewDataSource(fetchRequest: fetchRequest, managedObjectContext: DatabaseManager.shared.viewContext)
        dataSource.cellConfigurationHandler = { [weak self] cell, attempt, _ in
            let cell = cell as! RefreshAttemptTableViewCell
            cell.dateLabel.text = self?.dateFormatter.string(from: attempt.date)
            cell.errorDescriptionLabel.text = attempt.errorDescription

            if attempt.isSuccess {
                cell.successLabel.text = NSLocalizedString("Success", comment: "")
                cell.successLabel.textColor = .refreshGreen
            } else {
                cell.successLabel.text = NSLocalizedString("Failure", comment: "")
                cell.successLabel.textColor = .refreshRed
            }
        }

        let placeholderView = RSTPlaceholderView()
        placeholderView.textLabel.text = NSLocalizedString("No Refresh Attempts", comment: "")
        placeholderView.detailTextLabel.text = NSLocalizedString("The more you use SideStore, the more often iOS will allow it to refresh apps in the background.", comment: "")
        dataSource.placeholderView = placeholderView

        return dataSource
    }
}