1 files changed, 222 insertions, 0 deletions
diff --git a/WireGuard/WireGuard/UI/iOS/TunnelDetailTableViewController.swift b/WireGuard/WireGuard/UI/iOS/TunnelDetailTableViewController.swift
new file mode 100644
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+++ b/WireGuard/WireGuard/UI/iOS/TunnelDetailTableViewController.swift
@@ -0,0 +1,222 @@
+//
+//  TunnelDetailTableViewController.swift
+//  WireGuard
+//
+//  Created by Roopesh Chander on 17/10/18.
+//  Copyright © 2018 Roopesh Chander. All rights reserved.
+//
+
+import UIKit
+
+// MARK: TunnelDetailTableViewController
+
+class TunnelDetailTableViewController: UITableViewController {
+
+    let interfaceFieldsBySection: [[TunnelViewModel.InterfaceField]] = [
+        [.name],
+        [.publicKey, .copyPublicKey],
+        [.addresses, .listenPort, .mtu, .dns]
+    ]
+
+    let peerFieldsBySection: [[TunnelViewModel.PeerField]] = [
+        [.publicKey, .preSharedKey, .endpoint,
+         .allowedIPs, .persistentKeepAlive]
+    ]
+
+    let tunnelsManager: TunnelsManager
+    let tunnelViewModel: TunnelViewModel
+
+    init(tunnelsManager tm: TunnelsManager, tunnelConfiguration: TunnelConfiguration) {
+        tunnelsManager = tm
+        tunnelViewModel = TunnelViewModel(tunnelConfiguration: tunnelConfiguration)
+        super.init(style: .grouped)
+    }
+
+    required init?(coder aDecoder: NSCoder) {
+        fatalError("init(coder:) has not been implemented")
+    }
+
+    override func viewDidLoad() {
+        super.viewDidLoad()
+        self.title = tunnelViewModel.interfaceData[.name]
+        self.navigationItem.rightBarButtonItem = UIBarButtonItem(barButtonSystemItem: .edit, target: self, action: #selector(editTapped))
+
+        self.tableView.rowHeight = 44
+        self.tableView.register(TunnelDetailTableViewKeyValueCell.self, forCellReuseIdentifier: TunnelDetailTableViewKeyValueCell.id)
+        self.tableView.register(TunnelDetailTableViewButtonCell.self, forCellReuseIdentifier: TunnelDetailTableViewButtonCell.id)
+    }
+
+    @objc func editTapped() {
+        print("Edit")
+    }
+}
+
+// MARK: UITableViewDataSource
+
+extension TunnelDetailTableViewController {
+    override func numberOfSections(in tableView: UITableView) -> Int {
+        let numberOfInterfaceSections = interfaceFieldsBySection.count
+        let numberOfPeerSections = peerFieldsBySection.count
+        let numberOfPeers = tunnelViewModel.peersData.count
+
+        return numberOfInterfaceSections + (numberOfPeers * numberOfPeerSections) + 1
+    }
+
+    override func tableView(_ tableView: UITableView, numberOfRowsInSection section: Int) -> Int {
+        let numberOfInterfaceSections = interfaceFieldsBySection.count
+        let numberOfPeerSections = peerFieldsBySection.count
+        let numberOfPeers = tunnelViewModel.peersData.count
+
+        if (section < numberOfInterfaceSections) {
+            // Interface
+            return interfaceFieldsBySection[section].count
+        } else if ((numberOfPeers > 0) && (section < (numberOfInterfaceSections + numberOfPeers * numberOfPeerSections))) {
+            // Peer
+            let fieldIndex = (section - numberOfInterfaceSections) % numberOfPeerSections
+            return peerFieldsBySection[fieldIndex].count
+        } else {
+            // Add peer
+            return 1
+        }
+    }
+
+    override func tableView(_ tableView: UITableView, titleForHeaderInSection section: Int) -> String? {
+        let numberOfInterfaceSections = interfaceFieldsBySection.count
+        let numberOfPeerSections = peerFieldsBySection.count
+        let numberOfPeers = tunnelViewModel.peersData.count
+
+        if (section < numberOfInterfaceSections) {
+            // Interface
+            return (section == 0) ? "Interface" : nil
+        } else if ((numberOfPeers > 0) && (section < (numberOfInterfaceSections + numberOfPeers * numberOfPeerSections))) {
+            // Peer
+            let fieldIndex = (section - numberOfInterfaceSections) % numberOfPeerSections
+            return (fieldIndex == 0) ? "Peer" : nil
+        } else {
+            // Add peer
+            return nil
+        }
+    }
+
+    override func tableView(_ tableView: UITableView, cellForRowAt indexPath: IndexPath) -> UITableViewCell {
+        let numberOfInterfaceSections = interfaceFieldsBySection.count
+        let numberOfPeerSections = peerFieldsBySection.count
+        let numberOfPeers = tunnelViewModel.peersData.count
+
+        let section = indexPath.section
+        let row = indexPath.row
+
+        if (section < numberOfInterfaceSections) {
+            // Interface
+            let interfaceData = tunnelViewModel.interfaceData
+            let field = interfaceFieldsBySection[section][row]
+            if (field == .copyPublicKey) {
+                let cell = tableView.dequeueReusableCell(withIdentifier: TunnelDetailTableViewButtonCell.id, for: indexPath) as! TunnelDetailTableViewButtonCell
+                cell.buttonText = field.rawValue
+                cell.onTapped = {
+                    print("Copying public key is unimplemented") // TODO
+                }
+                return cell
+            } else {
+                let cell = tableView.dequeueReusableCell(withIdentifier: TunnelDetailTableViewKeyValueCell.id, for: indexPath) as! TunnelDetailTableViewKeyValueCell
+                // Set key and value
+                cell.key = field.rawValue
+                cell.value = interfaceData[field]
+                if (field != .publicKey) {
+                    cell.detailTextLabel?.allowsDefaultTighteningForTruncation = true
+                    cell.detailTextLabel?.adjustsFontSizeToFitWidth = true
+                    cell.detailTextLabel?.minimumScaleFactor = 0.85
+                }
+                return cell
+            }
+        } else if ((numberOfPeers > 0) && (section < (numberOfInterfaceSections + numberOfPeers * numberOfPeerSections))) {
+            // Peer
+            let peerIndex = Int((section - numberOfInterfaceSections) / numberOfPeerSections)
+            let peerSectionIndex = (section - numberOfInterfaceSections) % numberOfPeerSections
+            let peerData = tunnelViewModel.peersData[peerIndex]
+            let field = peerFieldsBySection[peerSectionIndex][row]
+            let cell = tableView.dequeueReusableCell(withIdentifier: TunnelDetailTableViewKeyValueCell.id, for: indexPath) as! TunnelDetailTableViewKeyValueCell
+            // Set key and value
+            cell.key = field.rawValue
+            cell.value = peerData[field]
+            if (field != .publicKey && field != .preSharedKey) {
+                cell.detailTextLabel?.allowsDefaultTighteningForTruncation = true
+                cell.detailTextLabel?.adjustsFontSizeToFitWidth = true
+                cell.detailTextLabel?.minimumScaleFactor = 0.85
+            }
+
+            return cell
+        } else {
+            assert(section == (numberOfInterfaceSections + numberOfPeers * numberOfPeerSections))
+            // Delete configuration
+            let cell = tableView.dequeueReusableCell(withIdentifier: TunnelDetailTableViewButtonCell.id, for: indexPath) as! TunnelDetailTableViewButtonCell
+            cell.buttonText = "Delete tunnel"
+            cell.onTapped = {
+                print("Delete peer unimplemented")
+            }
+            return cell
+        }
+    }
+}
+
+class TunnelDetailTableViewKeyValueCell: UITableViewCell {
+    static let id: String = "TunnelDetailTableViewKeyValueCell"
+    var key: String {
+        get { return textLabel?.text ?? "" }
+        set(value) { textLabel?.text = value }
+    }
+    var value: String {
+        get { return detailTextLabel?.text ?? "" }
+        set(value) { detailTextLabel?.text = value }
+    }
+
+    override init(style: UITableViewCellStyle, reuseIdentifier: String?) {
+        super.init(style: .value1, reuseIdentifier: TunnelDetailTableViewKeyValueCell.id)
+    }
+
+    required init?(coder aDecoder: NSCoder) {
+        fatalError("init(coder:) has not been implemented")
+    }
+
+    override func prepareForReuse() {
+        super.prepareForReuse()
+        key = ""
+        value = ""
+    }
+}
+
+class TunnelDetailTableViewButtonCell: UITableViewCell {
+    static let id: String = "TunnelsEditTableViewButtonCell"
+    var buttonText: String {
+        get { return button.title(for: .normal) ?? "" }
+        set(value) { button.setTitle(value, for: .normal) }
+    }
+    var onTapped: (() -> Void)? = nil
+
+    let button: UIButton
+
+    override init(style: UITableViewCellStyle, reuseIdentifier: String?) {
+        button = UIButton(type: .system)
+        super.init(style: style, reuseIdentifier: reuseIdentifier)
+        contentView.addSubview(button)
+        button.translatesAutoresizingMaskIntoConstraints = false
+        NSLayoutConstraint.activate([
+            button.centerYAnchor.constraint(equalTo: contentView.centerYAnchor),
+            button.centerXAnchor.constraint(equalTo: contentView.centerXAnchor)
+            ])
+        button.addTarget(self, action: #selector(buttonTapped), for: .touchUpInside)
+    }
+
+    @objc func buttonTapped() {
+        onTapped?()
+    }
+
+    required init?(coder aDecoder: NSCoder) {
+        fatalError("init(coder:) has not been implemented")
+    }
+
+    override func prepareForReuse() {
+        buttonText = ""
+        onTapped = nil
+    }
+}