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//  Creating a simple Augmented Reality object with ARKit and SceneKit is surprisingly easy! But before you get started, you
//  need to add a key-value pair to your application's Info.plist (Information Property List) file. Add the key "Privacy -
//  Camera Usage Description" with the corresponding value "This application will use your camera for Augmented Reality", or
//  some similarly descriptive note.

//  Let's get started!

//  You'll need to import SceneKit to create your object and ARKit to place it in your augmented reality space.
import UIKit
import SceneKit

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//  Creating a 3D text object with ARKit isn't overwhelming. It might not be immediately obvious, but these objects could
//  be quite valuable moving forward. Imagine dropping a 3D advertisement in someone's augmented reality universe...

//  We'll get started in a sec, but first you need to add a key-value pair to your application's Info.plist (Information 
//  Property List) file. Add the key "Privacy - Camera Usage Description" with the corresponding value "This application 
//  will use your camera for Augmented Reality", or some similarly descriptive note.

//  Let's get started!

//  You'll need to import SceneKit to create your object and ARKit to place it in your augmented reality space.

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//  Adding a second object to your Augmented Reality space is not much different from adding the first, so we will change
//  things up here a bit. Here we will create a sphere in addition to a box and we will give our objects some style.

//  If you haven't already, you need to add a key-value pair to your application's Info.plist (Information Property List) file.
//  Add the key "Privacy - Camera Usage Description" with the corresponding value "This application will use your camera for
//  Augmented Reality", or some similarly descriptive note.

//  Let's get started!

//  You'll need to import SceneKit to create and edit your objects and ARKit to place it in your augmented reality space.

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//  Using touch gestures to interact with your Augmented Reality objects actually doesn't involve more ARKit code! Rather,
//  you'll have to implement some new SCNKit code and play with a UITapGestureRecognizer from good ol' UIKit. Here we will
//  create a Super Mario box, and it will pop up as if you were Mario jumping underneath it!

//  If you're jumping straight into this view controller, you might need to update your info.plist (Information Property
//  List) file first. Add the key "Privacy - Camera Usage Description" with the corresponding value "This application will
//  use your camera for Augmented Reality", or some similarly descriptive note.

//  Let's get started!

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//  The table views in this app actually don't make use of tableView(_:heightForRowAt:). These table views set the table views' 
//  rowHeight and estimatedRowHeight properties to UITableViewAutomaticDimension and 110, respectively, and they make use 
//  of a series of constraints to automatically set each cells' row height. 

//  Use tableView(_:heightForRowAt:) to set the height for specific table view cells.

func tableView(_ tableView: UITableView, heightForRowAt indexPath: IndexPath) -> CGFloat {
//  Set the row height for the first (zeroth) cell in all section(s) to 100, and set all other cells to 50.
//  You can also set the row height for all cells in a section by accessing indexPath.section.
    if indexPath.row == 0 {

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//  Use tableView(_:didSelectRowAt:) to manage what happens when a user selects a UITableViewCell.
//  This example exhibits how this app makes use of this method.

func tableView(_ tableView: UITableView, didSelectRowAt indexPath: IndexPath) {
        
    //  Determine what to do when a cell in a particular section is selected.
        switch indexPath.section {
        case 0:
        //  If the cell in the first section is selected, this will trigger the segue with the "toHeightForRowAt" identifier
            self.performSegue(withIdentifier: "toHeightForRowAt", sender: nil)

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//  Use tableView(_:editActionsForRowAt:) to implement swipe actions for a UITableView's cells.
//  This example exhibits how this app makes use of this method.

func tableView(_ tableView: UITableView, editActionsForRowAt indexPath: IndexPath) -> [UITableViewRowAction]? {
        
//  Get the title of each section to notify the user that a cell in a particular section was swiped.
    let sectionHeaderView = tableView.headerView(forSection: indexPath.section)
    let sectionTitle = sectionHeaderView?.textLabel?.text

//  Create an action. Create custom actions in the UITableViewRowAction's closure.

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//  Use tableView(_:numberOfRowsInSection:) to determine the number of rows each section of a UITableView should display.
//  This example exhibits how this app makes use of this method.

//  Create some sort of data source. This is often an array or, in this case, a dictionary.
var dataSource: [String: String] {
        return ["cellForRowAt: indexPath": "Update cell information based on the data source\nReturns a UITableViewCell.",
                "numberOfRowsInSection: Int": "Determine the number of rows needed for each section of the tableView\nReturns an Int",
                "titleForHeaderInSection: Int": "Set the title for a particular section of your tableView\nReturns a String"]
    }
    

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//  Use tableView(_:titleForHeaderInSection:) to set the title for each section in a table view.
//  This example exhibits two instances of this method used in this app.

//  This demonstrates the use of this method in this app's UITableViewDataSource view controller.
func tableView(_ tableView: UITableView, titleForHeaderInSection section: Int) -> String? {
    switch section {
    case 0:
      return "Configuring a Table View"
    default:
      print("out of index")

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//  Use tableView(_:cellForRowAt:) to customize the cells in a table view.
//  This example demonstrates an instance of how one of this app's table views uses this method.


//  Create some sort of data source. This is often an array or, in this case, a dictionary.
var dataSource: [String: String] {
    return ["cellForRowAt: indexPath": "Update cell information based on the data source\nReturns a UITableViewCell.",
            "numberOfRowsInSection: Int": "Determine the number of rows needed for each section of the tableView\nReturns an Int",
            "titleForHeaderInSection: Int": "Set the title for a particular section of your tableView\nReturns a String"]
}