//
//  TiletViewController.swift
//  VDSSample
//
//  Created by Matt Bruce on 12/19/22.
//

import Foundation
import UIKit
import VDS
import VDSColorTokens

class TiletViewController: BaseViewController {

    lazy var titleTextStylePickerSelectorView = {
        PickerSelectorView(title: "",
                           picker: self.picker,
                           items: TiletTitleTypographicalStyle.allCases.sorted{ $0.rawValue < $1.rawValue })
    }()
    
    lazy var otherTextStylePickerSelectorView = {
        PickerSelectorView(title: "",
                           picker: self.picker,
                           items: TiletOtherTypographicalStyle.allCases.sorted{ $0.rawValue < $1.rawValue })
    }()
    
    lazy var subtitleColorPickerSelectorView = {
        PickerSelectorView<Use>(title: "",
                                 picker: self.picker,
                                 items: [.primary, .secondary])
    }()

    var titleTextField = TextField()
    var subTitleTextField = TextField()
    var widthTextField = NumericField()
    var textPercentageTextField = NumericField()
    var textWidthTextField = NumericField()

    var tilet = Tilet()

    override func viewDidLoad() {
        super.viewDidLoad()
        addContentTopView(view: .makeWrapper(for: tilet))
        
        setupForm()
        setupPicker()
        setupModel()
    }
    
    override func allTextFields() -> [TextField]? { [titleTextField, subTitleTextField, widthTextField, textWidthTextField, textPercentageTextField] }

    func setupForm(){
        addFormRow(label: "Surface", view: surfacePickerSelectorView)
        
        addFormRow(label: "Title Style", view: titleTextStylePickerSelectorView)
        addFormRow(label: "Other Style", view: otherTextStylePickerSelectorView)
        
        addFormRow(label: "Title Text", view: titleTextField)
        addFormRow(label: "Subtitle Color", view: subtitleColorPickerSelectorView)
        addFormRow(label: "Subtitle Text", view: subTitleTextField)
        addFormRow(label: "Width", view: widthTextField)
        addFormRow(label: "Text Width", view: textWidthTextField)
        addFormRow(label: "Text Percentage", view: textPercentageTextField)

        widthTextField
            .textPublisher
            .sink { [weak self] text in
                if let n = NumberFormatter().number(from: text) {
                    self?.tilet.width = CGFloat(truncating: n)
                }
            }.store(in: &subscribers)

        textWidthTextField
            .textPublisher
            .sink { [weak self] text in
                guard let self else { return }
                if let n = NumberFormatter().number(from: text), n.floatValue > 50.0 && n.floatValue <= Float(self.tilet.width) {
                    self.tilet.textWidth = CGFloat(truncating: n)
                    self.textPercentageTextField.text = ""
                } else {
                    self.tilet.textWidth = nil
                }
            }.store(in: &subscribers)
        
        textPercentageTextField
            .textPublisher
            .sink { [weak self] text in
                if let n = NumberFormatter().number(from: text), n.intValue > 15 && n.intValue <= 100 {
                    self?.tilet.textPercentage = CGFloat(truncating: n)
                    self?.textWidthTextField.text = ""
                } else {
                    self?.tilet.textPercentage = nil
                }
            }.store(in: &subscribers)

        titleTextField
            .textPublisher
            .sink { [weak self] text in
                self?.tilet.titleText = text
            }.store(in: &subscribers)

        subTitleTextField
            .textPublisher
            .sink { [weak self] text in
                self?.tilet.subTitleText = text
            }.store(in: &subscribers)
    }
    
    func setupModel() {
        tilet.surface = .light
        tilet.width = 312
        tilet.titleText = "Save $XX on your monthly bill."
        tilet.subTitleText = "Enroll in Auto Pay & paper-free billing to save on your monthly bill."
        
        //setup UI
        surfacePickerSelectorView.text = tilet.surface.rawValue
        otherTextStylePickerSelectorView.text = tilet.otherTypograpicalStyle.rawValue
        titleTextStylePickerSelectorView.text = tilet.titleTypograpicalStyle.rawValue
        subtitleColorPickerSelectorView.text = tilet.subTitleColor.rawValue
        titleTextField.text = tilet.titleText
        subTitleTextField.text = tilet.subTitleText
        widthTextField.text = "\(tilet.width)"
    }
    
    //Picker
    func setupPicker(){
        surfacePickerSelectorView.onPickerDidSelect = {  [weak self] item in
            self?.tilet.surface = item
            self?.contentTopView.backgroundColor = item.color
        }
        
        titleTextStylePickerSelectorView.onPickerDidSelect = {  [weak self] item in
            self?.tilet.titleTypograpicalStyle = item
        }

        otherTextStylePickerSelectorView.onPickerDidSelect = {  [weak self] item in
            self?.tilet.otherTypograpicalStyle = item
        }
        
        subtitleColorPickerSelectorView.onPickerDidSelect  = {  [weak self] item in
            self?.tilet.subTitleColor = item
        }
    }
}