//

// ViewController.swift

// Examples

//

// Created by Ryan Nystrom on 1/28/18.

// Copyright © 2018 Ryan Nystrom. All rights reserved.

//

import UIKit

import MessageViewController

class ViewController: MessageViewController, UITableViewDataSource, UITableViewDelegate, MessageAutocompleteControllerDelegate {

var data = "Lorem ipsum dolor sit amet|consectetur adipiscing elit|sed do eiusmod|tempor incididunt|ut labore et dolore|magna aliqua| Ut enim ad minim|veniam, quis nostrud|exercitation ullamco|laboris nisi ut aliquip|ex ea commodo consequat|Duis aute|irure dolor in reprehenderit|in voluptate|velit esse cillum|dolore eu|fugiat nulla pariatur|Excepteur sint occaecat|cupidatat non proident|sunt in culpa|qui officia|deserunt|mollit anim id est laborum"

.components(separatedBy: "|")

let users = ["rnystrom", "BasThomas", "jessesquires", "Sherlouk"]

var autocompleteUsers = [String]()

let tableView = UITableView()

override func viewDidLoad() {

super.viewDidLoad()

tableView.dataSource = self

tableView.register(UITableViewCell.self, forCellReuseIdentifier: "cell")

view.addSubview(tableView)

borderColor = .lightGray

messageView.inset = UIEdgeInsets(top: 8, left: 16, bottom: 8, right: 16)

messageView.textView.placeholderText = "New message..."

messageView.textView.placeholderTextColor = .lightGray

messageView.font = UIFont.systemFont(ofSize: 17)

messageView.set(buttonTitle: "Send", for: .normal)

messageView.addButton(target: self, action: #selector(onButton))

messageView.buttonTint = .blue

messageAutocompleteController.tableView.register(UITableViewCell.self, forCellReuseIdentifier: "cell")

messageAutocompleteController.tableView.dataSource = self

messageAutocompleteController.tableView.delegate = self

messageAutocompleteController.register(prefix: "@")

// Set custom attributes for an autocompleted string

let tintColor = UIColor(red: 0, green: 122/255, blue: 1, alpha: 1)

messageAutocompleteController.registerAutocomplete(prefix: "@", attributes: [

.font: UIFont.preferredFont(forTextStyle: .body),

.foregroundColor: tintColor,

.backgroundColor: tintColor.withAlphaComponent(0.1)

])

messageAutocompleteController.delegate = self

setup(scrollView: tableView)

}

@objc func onButton() {

data.append(messageView.text)

messageView.text = ""

tableView.reloadData()

tableView.scrollToRow(

at: IndexPath(row: data.count - 1, section: 0),

at: .bottom,

animated: true

)

}

// MARK: UITableViewDataSource

func tableView(_ tableView: UITableView, numberOfRowsInSection section: Int) -> Int {

return tableView === self.tableView

? data.count

: autocompleteUsers.count

}

func tableView(_ tableView: UITableView, cellForRowAt indexPath: IndexPath) -> UITableViewCell {

let cell = tableView.dequeueReusableCell(withIdentifier: "cell", for: indexPath)

if tableView === self.tableView {

cell.textLabel?.text = data[indexPath.row]

} else {

cell.textLabel?.text = autocompleteUsers[indexPath.row]

}

return cell

}

// MARK: UITableViewDelegate

func tableView(_ tableView: UITableView, didSelectRowAt indexPath: IndexPath) {

tableView.deselectRow(at: indexPath, animated: true)

if tableView === messageAutocompleteController.tableView {

messageAutocompleteController.accept(autocomplete: autocompleteUsers[indexPath.row])

}

}

// MARK: MessageAutocompleteControllerDelegate

func didFind(controller: MessageAutocompleteController, prefix: String, word: String) {

autocompleteUsers = users.filter { word.isEmpty || $0.lowercased().contains(word.lowercased()) }

controller.show(true)

}

}