//
//  DatePickerViewController.swift
//  VDSSample
//
//  Created by Matt Bruce on 4/11/24.
//

import Foundation
import VDS

class DatePickerViewController: BaseViewController<DatePicker> {
    
    var disabledSwitch = Toggle()
    var requiredSwitch = Toggle()
    var labelTextField = TextField()
    var errorTextField = TextField()
    var helperTextField = TextField()
    var inlineLabelSwitch = Toggle()
    var readonlySwitch = Toggle()
    var transparentBgSwitch = Toggle()
    var errorSwitch = Toggle()
    var tooltipTitleTextField = TextField()
    var tooltipContentTextField = TextField()
    lazy var dateFormatPickerSelectorView = {
        PickerSelectorView(title: "shortNumeric",
                           picker: self.picker,
                           items: DatePicker.DateFormat.allCases)
    }()

    override func viewDidLoad() {
        super.viewDidLoad()
        addContentTopView(view: component)
        setupModel()
        setupPicker()
    }
        
    override func setupForm(){
        addFormRow(label: "Surface", view: surfacePickerSelectorView)
        addFormRow(label: "Disabled", view: disabledSwitch)
        addFormRow(label: "Required", view: requiredSwitch)
        addFormRow(label: "Date Format", view: dateFormatPickerSelectorView)
        addFormRow(label: "Label Text", view: labelTextField)
        addFormRow(label: "Helper Text", view: helperTextField)
        addFormRow(label: "Readonly", view: readonlySwitch)
        addFormRow(label: "Transparent Background", view: transparentBgSwitch)
        addFormRow(label: "Error", view: .makeWrapper(for: errorSwitch))
        addFormRow(label: "Error Text", view: errorTextField)
        addFormRow(label: "ToolTip Title", view: tooltipTitleTextField)
        addFormRow(label: "ToolTip Content", view: tooltipContentTextField)

        disabledSwitch.onChange = { [weak self] sender in
            self?.component.isEnabled = !sender.isOn
        }
        
        requiredSwitch.onChange = { [weak self] sender in
            self?.component.isRequired = sender.isOn
        }
                
        readonlySwitch.onChange = { [weak self] sender in
            self?.component.isReadOnly = sender.isOn
        }

        transparentBgSwitch.onChange = { [weak self] sender in
            self?.component.transparentBackground = sender.isOn
        }

        errorSwitch
            .publisher(for: .valueChanged)
            .sink { [weak self] sender in
                guard let self else { return }
                component.showError = sender.isOn
                if component.showError != sender.isOn {
                    self.errorSwitch.isOn = self.component.showError
                }
            }.store(in: &subscribers)
        
        labelTextField
            .textPublisher
            .sink { [weak self] text in
                self?.component.labelText = text
            }.store(in: &subscribers)
        
        helperTextField
            .textPublisher
            .sink { [weak self] text in
                self?.component.helperText = text
            }.store(in: &subscribers)
        
        errorTextField
            .textPublisher
            .sink { [weak self] text in
                self?.component.errorText = text
            }.store(in: &subscribers)
        
        tooltipTitleTextField
            .textPublisher
            .sink { [weak self] text in
                self?.updateTooltip()
            }.store(in: &subscribers)
        
        tooltipContentTextField
            .textPublisher
            .sink { [weak self] text in
                self?.updateTooltip()
            }.store(in: &subscribers)
        
    }
    
    func setupModel() {
        component.selectedDate = Calendar.current.date(byAdding: .day, value: -5, to: Date())
        component.labelText = "Date"
        component.helperText = "Pick a date for your needs."
        component.errorText = "Enter a date."
        component.tooltipModel = .init(title: "Check your date.", content:"Here is the content for your date component")
        
        component.onChange = { c in
            print("selected value: \(c.value ?? "no date selected")")
        }
        
        //setup UI
        disabledSwitch.isOn = !component.isEnabled
        requiredSwitch.isOn = component.isRequired
        surfacePickerSelectorView.text = component.surface.rawValue
        labelTextField.text = component.labelText
        helperTextField.text = component.helperText
        readonlySwitch.isOn = false
        transparentBgSwitch.isOn = false
        errorSwitch.isOn = component.showError
        errorTextField.text = component.errorText
        tooltipTitleTextField.text = component.tooltipModel?.title
        tooltipContentTextField.text = component.tooltipModel?.content
    }
    
    func setupPicker() {
        surfacePickerSelectorView.onPickerDidSelect = {  [weak self] item in
            self?.component.surface = item
            self?.contentTopView.backgroundColor = item.color
        }
        
        dateFormatPickerSelectorView.onPickerDidSelect = {  [weak self] item in
            self?.component.dateFormat = item
        }

    }
    
    func updateTooltip() {
        let title = tooltipTitleTextField.text ?? ""
        let content = tooltipContentTextField.text ?? ""
        
        component.tooltipModel = !title.isEmpty || !content.isEmpty ? .init(title: title,
                                                                            content: content) : nil
    }
}