DeveloperToolsController.swift

import Cocoa

class DeveloperToolsController {
  let commandController: CommandController

  init(commandController: CommandController) {
    self.commandController = commandController
  }

  #if DEBUG
  var enabled: Bool = true
  #else
  var enabled: Bool = false
  #endif

  func debug(_ object: AnyObject) {
    guard enabled else { return }

    switch object {
    case let controller as NSViewController:
      let controllerName = "\(type(of: controller))"

      var toolTip = controllerName
      if let superclassName = controller.superclass {
        toolTip += ": \(superclassName)"
      }

      controller.view.toolTip = toolTip
      let menu = NSMenu()
      let menuItem = NSMenuItem(title: "Open \(controllerName).swift",
                                action: #selector(openController(_:)),
                                keyEquivalent: "")
      menuItem.toolTip = controllerName
      menuItem.target = self
      menu.addItem(menuItem)
      controller.view.menu = menu
    default:
      break
    }
  }

  @objc func openController(_ menuItem: NSMenuItem) {
    guard let path = ProcessInfo.processInfo.environment["SOURCE_ROOT"] else { return }
    guard let fileName = menuItem.toolTip else { return }

    let fileManager = FileManager.default
    guard let enumerator = fileManager.enumerator(atPath: path) else {
      return
    }

    let elements = enumerator.allObjects.compactMap({ $0 as? String })

    for element in elements {
      if (element as NSString).lastPathComponent == "\(fileName).swift" {
        let filePath = "\(path)/\(element)"
        let fileCommand = Command.fileCommand(fileAtPath: filePath, withAppName: "Xcode")
        do {
          try commandController.execute(fileCommand)
        } catch let error {
          debugPrint(error)
        }
        break
      }
    }
  }
}