FilterView.swift

//
//  FilterView.swift
//  HDAugmentedRealityDemo
//
//  Created by Andrey Apet on 3/7/17.
//  Copyright © 2017 Danijel Huis. All rights reserved.
//

import UIKit

class FilterView: UIView, UITableViewDelegate, UITableViewDataSource, UIPickerViewDataSource, UIPickerViewDelegate, UITextFieldDelegate {
    
    override init(frame: CGRect) {
        super.init(frame:frame)
        
        showFilterView()
    }
    
    required init?(coder aDecoder: NSCoder) {
        super.init(coder: aDecoder)
    }
    
    var view = UIView()
    var tableView: UITableView = UITableView()
    var picker: UIPickerView = UIPickerView()
    let toolBar = UIToolbar()
    
    let filterData = Filter()
    var pickerData = [[String]]()
    var pickerArray = [String]()
    var selectedTF: UITextField?
    
    var indexPicker = [0,0,0,0,0]
    var tagPicker = 0
    
    var nameForFilter  = ""
    var yearForFilter  = ""
    var roundForFilter = ""
    var holeForFilter  = ""
    
    var sortedData = [InfoShot]()
    
    var updateButton: UIButton = {
        let button = UIButton()
        button.setTitle("Select shot data to view", for: .normal)
        button.setTitleColor(.white, for: .normal)
        button.titleLabel?.font = UIFont.boldSystemFont(ofSize: 25)
        button.backgroundColor = UIColor(red: 101/255, green: 156/255, blue: 53/255, alpha: 1)
        return button
    }()
    
    var titleLabel: UILabel = {
        let label = UILabel()
        label.text = "Select Shot Data to View"
        label.backgroundColor = .white
        label.font = UIFont.boldSystemFont(ofSize: 24)
        label.textColor = UIColor(red: 230/255, green: 76/255, blue: 60/255, alpha: 1)
        label.textAlignment = .center
        return label
    }()
    
    func update() {
        print("Update tapped")
        self.sort()
    }
    
    func sort() {
        self.sortedData = self.filterData.filtering(year: self.yearForFilter, playerName: self.nameForFilter, round: self.roundForFilter, hole: self.holeForFilter)
    }
    
    func showFilterView() {
        let screenBounds = UIScreen.main.bounds
        print(screenBounds.height)
        view = UIView(frame: CGRect(x: 0, y: screenBounds.height / 2 - 50, width: screenBounds.width, height: screenBounds.height))
        view.backgroundColor = .white
        
        titleLabel.frame = CGRect(x: 0, y: 0, width: screenBounds.width, height: 50)
        view.addSubview(titleLabel)
        
        tableView = UITableView(frame: CGRect(x: 0, y: 50, width: screenBounds.width, height: screenBounds.height / 2 - 70))
        tableView.backgroundColor = .black
        tableView.separatorInset = UIEdgeInsets.zero
        tableView.allowsSelection = false
        tableView.isScrollEnabled = false
        tableView.delegate      =   self
        tableView.dataSource    =   self
        tableView.register(FilterCell.self, forCellReuseIdentifier: "Cell")
        view.addSubview(tableView)
        
        picker = UIPickerView(frame: CGRect(x: 0, y: 0, width: screenBounds.width, height: screenBounds.height / 2 + 10))
        picker.backgroundColor = UIColor(red: 136/255, green: 192/255, blue: 87/255, alpha: 0.6)
        picker.tintColor = .white
        picker.showsSelectionIndicator = true
        picker.delegate = self
        picker.dataSource = self
        
        toolBar.barStyle = UIBarStyle.default
        toolBar.barTintColor = UIColor(red: 136/255, green: 192/255, blue: 87/255, alpha: 0.3)
        toolBar.isTranslucent = false
        toolBar.tintColor = .white
        
        toolBar.sizeToFit()
        
        let doneButton = UIBarButtonItem(title: "Done", style: UIBarButtonItemStyle.plain, target: self, action: #selector(donePicker))
        let spaceButton = UIBarButtonItem(barButtonSystemItem: UIBarButtonSystemItem.flexibleSpace, target: nil, action: nil)
        let cancelButton = UIBarButtonItem(title: "Cancel", style: UIBarButtonItemStyle.plain, target: self, action: #selector(cancelPicker))
        
        toolBar.setItems([cancelButton, spaceButton, doneButton], animated: false)
        toolBar.isUserInteractionEnabled = true
        
        updateButton.frame = CGRect(x: 0, y: screenBounds.height / 2 - 20, width: screenBounds.width, height: 70)
        updateButton.addTarget(self, action: #selector(update), for: UIControlEvents.touchUpInside)
        //view.addSubview(updateButton)
        
        addSubview(view)
        
        pickerData = [filterData.tournaments, filterData.golfers, filterData.years, filterData.rounds, filterData.holes]
    }
    
    //MARK: TableView
    
    func tableView(_ tableView: UITableView, numberOfRowsInSection section: Int) -> Int {
        return 5
        
    }
    
    func tableView(_ tableView: UITableView, cellForRowAt indexPath: IndexPath) -> UITableViewCell {
        let cell = tableView.dequeueReusableCell(withIdentifier: "Cell", for: indexPath) as! FilterCell
        
        cell.label.textColor = .black
        cell.textField.inputView = picker
        cell.textField.inputAccessoryView = toolBar
        cell.textField.tag = indexPath.row
        cell.textField.delegate = self
        
        switch indexPath.row {
        case 1:
            cell.label.text = "Golfer:"
            cell.textField.attributedPlaceholder = NSAttributedString(string: "Choose Golfer",attributes: [NSForegroundColorAttributeName: UIColor.lightGray])
        case 2:
            cell.label.text = "Year:"
            cell.textField.attributedPlaceholder = NSAttributedString(string: "Choose Year",attributes: [NSForegroundColorAttributeName: UIColor.lightGray])
        case 3:
            cell.label.text = "Round:"
            cell.textField.attributedPlaceholder = NSAttributedString(string: "Choose Round",attributes: [NSForegroundColorAttributeName: UIColor.lightGray])
        case 4:
            cell.label.text = "Hole:"
            cell.textField.attributedPlaceholder = NSAttributedString(string: "Choose Hole",attributes: [NSForegroundColorAttributeName: UIColor.lightGray])
        default:
            cell.label.text = "Tournament:"
            cell.textField.text = "The Players Championship"
            cell.textField.font = UIFont.boldSystemFont(ofSize: 15)
        }
        
        return cell
    }
    
    func tableView(_ tableView: UITableView, heightForRowAt indexPath: IndexPath) -> CGFloat {
        return (UIScreen.main.bounds.height / 2 - 70) / 5
    }
    
    func textFieldDidBeginEditing(_ textField: UITextField) {
        pickerArray = pickerData[textField.tag]
        (textField.inputView as! UIPickerView).reloadAllComponents()
        selectedTF = textField
        tagPicker = textField.tag
    }
    
    func textFieldDidEndEditing(_ textField: UITextField) {
        if textField.tag == 1 {
            self.selectedTF?.text = pickerArray[indexPicker[tagPicker]]
            self.nameForFilter = (self.selectedTF?.text)!
//            self.updateButton.setTitle("\(String(self.filterData.filtering(year: self.yearForFilter, playerName: self.nameForFilter, round: self.roundForFilter, hole: self.holeForFilter).count)) POI have for Show", for: .normal)
        } else if textField.tag == 2 {
            self.yearForFilter = (self.selectedTF?.text)!
//            self.updateButton.setTitle("\(String(self.filterData.filtering(year: self.yearForFilter, playerName: self.nameForFilter, round: self.roundForFilter, hole: self.holeForFilter).count)) POI have for Show", for: .normal)
        } else if textField.tag == 3 {
            if self.selectedTF?.text != "" {
                self.roundForFilter = "0\((self.selectedTF?.text)!)"
            }
//            self.updateButton.setTitle("\(String(self.filterData.filtering(year: self.yearForFilter, playerName: self.nameForFilter, round: self.roundForFilter, hole: self.holeForFilter).count)) POI have for Show", for: .normal)
        } else if textField.tag == 4 {
            if self.selectedTF?.text != "" {
                if Double((self.selectedTF?.text)!)! < 10.0 {
                    self.holeForFilter = "0\((self.selectedTF?.text)!)"
                } else if Double((self.selectedTF?.text)!)! > 10.0 {
                    self.holeForFilter = (self.selectedTF?.text!)!
                }
            }
//            self.updateButton.setTitle("\(String(self.filterData.filtering(year: self.yearForFilter, playerName: self.nameForFilter, round: self.roundForFilter, hole: self.holeForFilter).count)) POI have for Show", for: .normal)
        }
        // uncomment if need to show coount of sorted data on update button
    }
    
    //MARK: PickerView
    
    func numberOfComponents(in pickerView: UIPickerView) -> Int {
        return 1
    }
    
    func pickerView(_ pickerView: UIPickerView, numberOfRowsInComponent component: Int) -> Int {
        return pickerArray.count
    }
    
    func pickerView(_ pickerView: UIPickerView, titleForRow row: Int, forComponent component: Int) -> String? {
        return pickerArray[row]
    }
    
    func pickerView(_ pickerView: UIPickerView, didSelectRow row: Int, inComponent component: Int) {
        if selectedTF != nil {
            selectedTF!.text = pickerArray[row]
        }
    }
    
    func pickerView(_ pickerView: UIPickerView, attributedTitleForRow row: Int, forComponent component: Int) -> NSAttributedString? {
        let titleData = pickerArray[row]
        let myTitle = NSAttributedString(string: titleData, attributes: [NSFontAttributeName: UIFont.boldSystemFont(ofSize: 20), NSForegroundColorAttributeName:UIColor.white])
        return myTitle
    }
    
    func donePicker(sender:UIBarButtonItem) {
        tableView.reloadData()
        
        self.picker.resignFirstResponder()
    }
    
    func cancelPicker(sender:UIBarButtonItem) {
        if selectedTF != nil {
            selectedTF!.text = ""
        }
        
        tableView.reloadData()
        
        self.picker.resignFirstResponder()
    }
    
}