//
//  DoubleTimePickerCell.swift
//  Lookfit
//
//  Created by lemo on 2018/5/11.
//  Copyright © 2020年 ecell. All rights reserved.
//

import UIKit

fileprivate struct Metric {
    static let textColor = kHexColor(0x2A2A2A)
    static let textFont = SystemLightFont(12)
    static let topspace = kScaleHeight(15.0)
}

class DoubleTimePickerCell: TableViewCell {

    var selectedItems: [String]? {
        didSet {
            setSelectedItems()
        }
    }
    
    var type: Int = 0
    var types: Int = 0
    
    let begintimeLabel = UILabel().then {
        $0.textColor = Metric.textColor
        $0.font = Metric.textFont
        $0.textAlignment = .center
    }
    
    let endtimeLabel = UILabel().then {
        $0.textColor = Metric.textColor
        $0.font = Metric.textFont
        $0.textAlignment = .center
    }
    
    let pickerView = UIPickerView().then { _ in
    }
    
    typealias DoublePickerColsure = ([String]) -> Void
    var pickerColsure: DoublePickerColsure?

    override func makeUI() {
        super.makeUI()
        contentView.addSubview(begintimeLabel)
        contentView.addSubview(endtimeLabel)
        contentView.addSubview(pickerView)
    }
    
    override func layoutSubviews() {
        super.layoutSubviews()
        begintimeLabel.snp.makeConstraints { (make) in
            make.top.equalToSuperview().offset(Metric.topspace)
            make.left.equalToSuperview()
            make.right.equalTo(contentView.snp.centerX)
        }
        pickerView.snp.makeConstraints { (make) in
            make.top.equalToSuperview().offset(kScaleHeight(20.0))
            make.left.right.equalToSuperview()
            make.bottom.equalToSuperview().offset(-kScaleHeight(10.0))
        }
        endtimeLabel.snp.makeConstraints { (make) in
            make.top.equalToSuperview().offset(Metric.topspace)
            make.right.equalToSuperview()
            make.left.equalTo(contentView.snp.centerX)
        }
    }
}

extension DoubleTimePickerCell {
    func setSelectedItems() {
        let viewModel = DoublePickerViewModel(type: type,types:types)
        viewModel.dataSourceVariable.asObservable()
            .bind(to: pickerView.rx.items(adapter: DoublePickerViewViewAdapter()))
            .disposed(by: cellDisposeBag)
        pickerView.rx.modelSelected(String.self)
            .subscribe(onNext: { [weak self] items in
                guard let `self` = self else { return }
                if let picker = self.pickerColsure {
                    picker(items)
                }
            })
            .disposed(by: cellDisposeBag)
        if selectedItems?.count == 2 {
            if let first = selectedItems?.first, let index1 = viewModel.dataSourceVariable.value.first?.firstIndex(of: first) {
                pickerView.selectRow(index1, inComponent: 0, animated: false)
            }
            if let last = selectedItems?.last, let index2 = viewModel.dataSourceVariable.value.last?.lastIndex(of: last) {
                pickerView.selectRow(index2, inComponent: 1, animated: false)
            }
        }
    }
}