/*
 Copyright 2017-present the Material Components for iOS authors. All Rights Reserved.
 Licensed under the Apache License, Version 2.0 (the "License");
 you may not use this file except in compliance with the License.
 You may obtain a copy of the License at
 http://www.apache.org/licenses/LICENSE-2.0
 Unless required by applicable law or agreed to in writing, software
 distributed under the License is distributed on an "AS IS" BASIS,
 WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 See the License for the specific language governing permissions and
 limitations under the License.
 */

import UIKit
import MaterialComponents.MaterialActivityIndicator

class ActivityIndicatorSwiftController: UIViewController {

   struct MDCPalette {
      static let blue: UIColor = UIColor(red: 0.129, green: 0.588, blue: 0.953, alpha: 1.0)
      static let red: UIColor = UIColor(red: 0.957, green: 0.263, blue: 0.212, alpha: 1.0)
      static let green: UIColor = UIColor(red: 0.298, green: 0.686, blue: 0.314, alpha: 1.0)
      static let yellow: UIColor = UIColor(red: 1.0, green: 0.922, blue: 0.231, alpha: 1.0)
   }

   override func viewDidLoad() {
      super.viewDidLoad()

      view.backgroundColor = .white
      let width: CGFloat = view.bounds.width / 2
      let height: CGFloat = view.bounds.height / 2

      //Initialize single color progress indicator
      let frame1: CGRect = CGRect(x: width - 16, y: height - 116, width: 32, height: 32)
      let activityIndicator1 = MDCActivityIndicator(frame: frame1)
      view.addSubview(activityIndicator1)
      activityIndicator1.delegate = self
      // Set the progress of the indicator
      activityIndicator1.progress = 0.6
      // Set the progress indicator to determinate
      activityIndicator1.indicatorMode = .determinate
      activityIndicator1.sizeToFit()
      activityIndicator1.startAnimating()

      // Initialize indeterminate indicator
      let frame2: CGRect = CGRect(x: width - 16, y: height - 16, width: 32, height: 32)
      let activityIndicator2 = MDCActivityIndicator(frame: frame2)
      view.addSubview(activityIndicator2)
      activityIndicator2.delegate = self
      activityIndicator2.indicatorMode = .indeterminate
      activityIndicator2.sizeToFit()
      activityIndicator2.startAnimating()

      // Initialize multiple color indicator
      let frame3: CGRect = CGRect(x: width - 16, y: height + 84, width: 32, height: 32)
      let activityIndicator3 = MDCActivityIndicator(frame: frame3)
      view.addSubview(activityIndicator3)
      // Pass colors you want to indicator to cycle through
      activityIndicator3.cycleColors = [MDCPalette.blue, MDCPalette.red, MDCPalette.green, MDCPalette.yellow]
      activityIndicator3.delegate = self
      activityIndicator3.indicatorMode = .indeterminate
      activityIndicator3.sizeToFit()
      activityIndicator3.startAnimating()

      // Initialize with different radius and stroke with
      let frame4: CGRect = CGRect(x: width - 24, y: height + 176, width: 48, height: 48)
      let activityIndicator4 = MDCActivityIndicator(frame: frame4)
      view.addSubview(activityIndicator4)
      activityIndicator4.delegate = self
      // Set the radius of the circle
      activityIndicator4.radius = 18.0
      activityIndicator4.indicatorMode = .indeterminate
      // Set the width of the ring
      activityIndicator4.strokeWidth = 4.0
      activityIndicator4.sizeToFit()
      activityIndicator4.startAnimating()
   }
}

extension ActivityIndicatorSwiftController : MDCActivityIndicatorDelegate {
   func activityIndicatorAnimationDidFinish(_ activityIndicator: MDCActivityIndicator) {
      return
   }

   // MARK: Catalog by convention
   @objc class func catalogBreadcrumbs() -> [String] {
      return ["Activity Indicator", "Activity Indicator (Swift)"]
   }

   @objc class func catalogIsPrimaryDemo() -> Bool {
      return false
   }

  @objc class func catalogIsPresentable() -> Bool {
    return true
  }
}