//
//  ScanView.swift
//  Twear
//
//  Created by yangbin on 2021/12/6.
//

import UIKit
import SnapKit


enum ScanViewType: Int {
    case ScanStart = 0
    case ScanComplete
    case Pairing
    case PairSuccess
    case PairFail
    case WearTip
    case FailReason
}


class ScanView: UIView {
    
    typealias clickActionClosure = (_ index: Int, _ action: Any?) -> Void
    var clickClosure: clickActionClosure?
    
    var deviceArray: [ScanDevice] = [] {
        didSet {
            if type == .ScanStart {
            bgView.snp.updateConstraints { make in
                make.height.equalTo(min(75 + max(CGFloat(deviceArray.count) * 50.0, 150), SCREEN_HEIGHT/2.0))
            }
            tableView.snp.updateConstraints { make in
                make.height.equalTo(min(max(CGFloat(deviceArray.count) * 50.0, 150), SCREEN_HEIGHT/2.0-75))
            }
            tableView.reloadData()
            }
        }
    }
    
    var type: ScanViewType = .ScanStart

    private let bgView = UIView() //白色框
    private var tableViewHeight: CGFloat = 0
    
//    var
    
    
    private lazy var titleLabel: UILabel = {
        let label = UILabel()
        label.font = BoldFont(13)
        label.textColor = .black
        label.textAlignment = .left
        label.text = LocString("正在搜索...")
        return label
    }()
    
    private lazy var detailLabel: UILabel = {
        let label = UILabel()
        label.font = RegularFont(11)
        label.numberOfLines = 0
        label.textColor = .black
        return label
    }()
    
    
    private lazy var cancelBtn: UIButton = {
        let button = UIButton()
        button.addTarget(self, action: #selector(clickBtnAction(_:)), for: .touchUpInside)
        button.setTitleColor(UIColor.rgbColorFromHex(0x00993E), for: .normal)
        button.titleLabel?.font = BoldFont(16)
        button.setTitle(LocString("暂不配对"), for: .normal)
        button.tag = 2
        return button
    }()
    
    private lazy var reasonBtn: UIButton = {
        let button = UIButton()
        button.addTarget(self, action: #selector(clickBtnAction(_:)), for: .touchUpInside)
        button.setTitleColor(UIColor.rgbColorFromHex(0xD00000), for: .normal)
        button.titleLabel?.font = RegularFont(14)
        button.setTitle(LocString("为什么配对失败？"), for: .normal)
        button.tag = 5
        return button
    }()
    
    private lazy var tableView: UITableView = {
        let tableView = UITableView(frame: CGRect(x: 0, y: 31, width: SCREEN_WIDTH-20, height: 150))
        tableView.bounces = false
        tableView.delegate = self
        tableView.dataSource = self
        tableView.separatorStyle = .none
        return tableView
    }()
    
    private lazy var splitLine: UIView = {
        let view = UIView()
        view.backgroundColor = LineColor
        return view
    }()
    
    private lazy var imageView: UIImageView = {
        let view = UIImageView()
        return view
    }()
    
    
    private lazy var loadButton: LoaderButton = {
        let button = LoaderButton()
        button.addTarget(self, action: #selector(clickBtnAction(_:)), for: .touchUpInside)
        button.setTitle(LocString("重新搜索"), for: .normal)
        button.setTitleColor(UIColor.rgbColorFromHex(0xD00000), for: .normal)
        button.titleLabel?.font = BoldFont(11)
        button.tag = 4
//        button.layer.cornerRadius = 8
        
        return button
    }()
    
    
    
    init() {
        super.init(frame: CGRect(x: 0, y: 0, width: SCREEN_WIDTH, height: SCREEN_HEIGHT))
        createView()
    }
    
    func createView() {
        backgroundColor = UIColor.black.withAlphaComponent(0.1)
        bgView.layer.cornerRadius = 10
        bgView.clipsToBounds = true
        bgView.backgroundColor = .white
        
        addSubview(bgView)
        bgView.addSubview(titleLabel)
        bgView.addSubview(cancelBtn)
        bgView.addSubview(tableView)
        bgView.addSubview(splitLine)
        bgView.addSubview(imageView)
        bgView.addSubview(detailLabel)
        bgView.addSubview(reasonBtn)
        bgView.addSubview(loadButton)
        imageView.isHidden = true
        detailLabel.isHidden = true
        reasonBtn.isHidden = true
        
        bgView.snp.makeConstraints { (make) in
            make.left.equalToSuperview().offset(10)
            make.right.equalToSuperview().offset(-10)
            make.bottom.equalToSuperview().offset(isiPhoneX() ? -42.5 : -22.5)
            make.height.equalTo(150+31+44)
            make.top.equalTo(titleLabel).offset(-13)
        }
        
        titleLabel.snp.makeConstraints { make in
            make.left.equalToSuperview().offset(10)
            make.top.equalToSuperview().offset(13)
            make.right.equalToSuperview().offset(-10)
        }
        
        loadButton.snp.makeConstraints { make in
            make.right.equalToSuperview()
            make.centerY.equalTo(titleLabel)
            make.width.equalTo(80)
            make.height.equalTo(26)
        }
        
        imageView.snp.makeConstraints { make in
            make.top.equalTo(titleLabel.snp_bottom).offset(23)
            make.centerX.equalToSuperview()
        }
        
        detailLabel.snp.makeConstraints { make in
            make.top.equalTo(imageView.snp_bottom).offset(25)
            make.left.equalToSuperview().offset(20)
            make.right.equalToSuperview().offset(-20)
        }
        
        tableView.snp.makeConstraints { make in
            make.left.right.equalToSuperview()
            make.top.equalToSuperview().offset(31)
            make.bottom.equalTo(splitLine.snp_top)
            make.height.equalTo(150)
        }
        
        reasonBtn.snp.makeConstraints { make in
            make.left.equalToSuperview().offset(20)
            make.bottom.equalTo(splitLine.snp_top).offset(-12)
        }
        
        splitLine.snp.makeConstraints { make in
            make.height.equalTo(0.5)
            make.right.equalToSuperview().offset(-10)
            make.left.equalToSuperview().offset(10)
            make.bottom.equalToSuperview().offset(-44)
        }
        
        cancelBtn.snp.makeConstraints { make in
            make.left.right.equalToSuperview()
            make.bottom.equalToSuperview()
            make.top.equalTo(splitLine.snp_bottom)
        }
        
//        loadButton.toggle()
        loadButton.cornerRadius = 1
        loadButton.loaderNormalImage = UIImage(named: "微信运动")
        loadButton.startAnimate(loaderType: .circleRotate, loaderColor: UIColor.rgbColorFromHex(0x00993E), complete: nil)
    }
    
    
    func updateUI(_ type: ScanViewType) {
        
        splitLine.isHidden = false
        reasonBtn.isHidden = true
        loadButton.isHidden = true
        self.type = type
        switch type {
        case .ScanStart:
            bgView.snp.updateConstraints { make in
                make.height.equalTo(225)
            }
            
            cancelBtn.setTitleColor(UIColor.rgbColorFromHex(0x00993E), for: .normal)
            cancelBtn.setTitle(LocString("暂不配对"), for: .normal)
            cancelBtn.tag = 2
            cancelBtn.isHidden = false
            
            titleLabel.font = BoldFont(13)
            titleLabel.textAlignment = .left
            titleLabel.text = LocString("正在搜索...")
            
            imageView.isHidden = true
            
            tableView.isHidden = false
            
            detailLabel.isHidden = true
            
            loadButton.isHidden = false
            loadButton.startAnimate(loaderType: .circleRotate, loaderColor: UIColor.rgbColorFromHex(0x00993E), complete: nil)
            
        case .ScanComplete:
            bgView.snp.updateConstraints { make in
                make.height.equalTo(min(75 + max(CGFloat(deviceArray.count) * 50.0, 150), SCREEN_HEIGHT/2.0))
            }
            
            cancelBtn.setTitleColor(UIColor.rgbColorFromHex(0xD00000), for: .normal)
            cancelBtn.setTitle(LocString("暂不配对"), for: .normal)
            cancelBtn.tag = 2
            cancelBtn.isHidden = false
            
            titleLabel.font = BoldFont(13)
            titleLabel.textAlignment = .left
            titleLabel.text = LocString("搜索完成")
            
            imageView.isHidden = true
            
            tableView.isHidden = false
            
            detailLabel.isHidden = true
            
            loadButton.isHidden = false
            loadButton.stopAnimate(complete: nil)
            
        case .Pairing:
            bgView.snp.updateConstraints { make in
                make.height.equalTo(220)
            }
            
            
            cancelBtn.isHidden = true
            
            titleLabel.font = BoldFont(15)
            titleLabel.textAlignment = .center
            titleLabel.text = LocString("正在配对...")
            
            imageView.isHidden = false
            imageView.image = UIImage(named: "pairing")
            
            tableView.isHidden = true
            
            splitLine.isHidden = true
            
            detailLabel.snp.remakeConstraints { make in
                make.top.equalTo(imageView.snp_bottom).offset(25)
                make.left.equalToSuperview().offset(20)
                make.right.equalToSuperview().offset(-20)
            }
            detailLabel.text = LocString("请勿操作手机和手表")
            detailLabel.isHidden = false
            
        case .PairSuccess:
            bgView.snp.updateConstraints { make in
                make.height.equalTo(220)
            }
            
            cancelBtn.setTitleColor(UIColor.rgbColorFromHex(0x00993E), for: .normal)
            cancelBtn.setTitle(LocString("完成"), for: .normal)
            cancelBtn.tag = 6
            cancelBtn.isHidden = false
            
            titleLabel.font = BoldFont(15)
            titleLabel.textAlignment = .center
            titleLabel.text = LocString("配对成功")
            
            imageView.isHidden = false
            imageView.image = UIImage(named: "pair_success")
            
            tableView.isHidden = true
            
            detailLabel.snp.remakeConstraints { make in
                make.top.equalTo(imageView.snp_bottom).offset(25)
                make.left.equalToSuperview().offset(20)
                make.right.equalToSuperview().offset(-20)
            }
            detailLabel.text = LocString("恭喜你，配对成功！")
            detailLabel.isHidden = false
            
        case .PairFail:
            bgView.snp.updateConstraints { make in
                make.height.equalTo(250)
            }
            
            cancelBtn.setTitleColor(UIColor.rgbColorFromHex(0xD00000), for: .normal)
            cancelBtn.setTitle(LocString("重试"), for: .normal)
            cancelBtn.tag = 3
            cancelBtn.isHidden = false
            
            
            titleLabel.font = BoldFont(15)
            titleLabel.textAlignment = .center
            titleLabel.text = LocString("配对失败")
            
            imageView.isHidden = false
            imageView.image = UIImage(named: "pair_fail")
            
            tableView.isHidden = true
            
            reasonBtn.isHidden = false
            
            detailLabel.snp.remakeConstraints { make in
                make.top.equalTo(imageView.snp_bottom).offset(23)
                make.left.equalToSuperview().offset(20)
                make.right.equalToSuperview().offset(-20)
            }
            detailLabel.text = LocString("配对失败，请重试")
            detailLabel.isHidden = false
            
        case .WearTip:
            bgView.snp.updateConstraints { make in
                make.height.equalTo(250)
            }
            
            cancelBtn.setTitleColor(UIColor.rgbColorFromHex(0x00993E), for: .normal)
            cancelBtn.setTitle(LocString("完成"), for: .normal)
            cancelBtn.tag = 2
            cancelBtn.isHidden = false
            
            titleLabel.font = BoldFont(15)
            titleLabel.textAlignment = .center
            titleLabel.text = LocString("佩戴提示")
            
            imageView.isHidden = false
            imageView.image = UIImage(named: "wear_tip")
            
            tableView.isHidden = true
            
            detailLabel.snp.remakeConstraints { make in
                make.top.equalTo(imageView.snp_bottom).offset(20)
                make.left.equalToSuperview().offset(58)
                make.right.equalToSuperview().offset(-58)
            }
            detailLabel.text = LocString("为了准确的测量数据，和不影响APP的正常使用，请您尽量日常佩戴手表。")
            detailLabel.isHidden = false
            
        case .FailReason:
            bgView.snp.updateConstraints { make in
                make.height.equalTo(250)
            }
            
            cancelBtn.setTitleColor(UIColor.rgbColorFromHex(0x00993E), for: .normal)
            cancelBtn.setTitle(LocString("我知道了"), for: .normal)
            cancelBtn.tag = 2
            cancelBtn.isHidden = false
            
            titleLabel.font = BoldFont(13)
            titleLabel.textAlignment = .center
            titleLabel.text = LocString("可能原因")
            
            imageView.isHidden = true
            
            tableView.isHidden = true
            
            detailLabel.snp.remakeConstraints { make in
                make.top.equalToSuperview().offset(55)
                make.left.equalToSuperview().offset(20)
                make.right.equalToSuperview().offset(-20)
            }
            detailLabel.text = LocString("1.距离太远，请将手表靠近手机；\n2.当前APP版本太低，请更新升级新版本后重试；\n3.您的手机此时存在短暂性网络通讯故障，请稍后重试；\n4.关闭蓝牙并删除当前已连接的蓝牙设备后，再次开启蓝牙重试；\n5.重启手表和手机后重试。")
            detailLabel.isHidden = false
            
        }
        
    }
    
    
    @objc private func clickBtnAction(_ sender: UIButton) {

        
        if sender.tag == 2 {
            dismiss()
        } else if sender.tag == 3 {
            deviceArray = []
            updateUI(.ScanStart)
        } else if sender.tag == 4 {
            deviceArray = []
            updateUI(.ScanStart)
        } else if sender.tag == 5 {
            updateUI(.FailReason)
        } else if sender.tag == 6 {
            updateUI(.WearTip)
        }
        
        if (clickClosure != nil) {
            clickClosure!(sender.tag, nil)
        }
    }
    
    
    
    func show() {
        let window = KeyWindow
        window.addSubview(self)
        self.alpha = 0
        UIView.animate(withDuration: 0.25, animations: {
//            self.bgView.frame.origin.y = SCREEN_HEIGHT - self.tableViewHeight
            self.alpha = 1
        }, completion: { (finish) -> Void in
            
        })
    }
    
    @objc func dismiss() {
        UIView.animate(withDuration: 0.25, animations: { () -> Void in
            self.alpha = 0
        }, completion: { (finish) -> Void in
            if finish {
                self.removeFromSuperview()
            }
        })
        if GCDTimer.shared.isExistTimer(WithTimerName: "StartScan") {
            GCDTimer.shared.cancleTimer(WithTimerName: "StartScan")
        }
        if GCDTimer.shared.isExistTimer(WithTimerName: "DevicePairing") {
            GCDTimer.shared.cancleTimer(WithTimerName: "DevicePairing")
        }
    }
    
    deinit {
        print("ScanView dealloc")
    }
    
    required init?(coder aDecoder: NSCoder) {
        fatalError("init(coder:) has not been implemented")
    }
    /*
    // Only override draw() if you perform custom drawing.
    // An empty implementation adversely affects performance during animation.
    override func draw(_ rect: CGRect) {
        // Drawing code
    }
    */

}


extension ScanView: UITableViewDelegate, UITableViewDataSource {
    func tableView(_ tableView: UITableView, numberOfRowsInSection section: Int) -> Int {
        return deviceArray.count
    }
    
    func tableView(_ tableView: UITableView, heightForRowAt indexPath: IndexPath) -> CGFloat {
        return 50
    }
    
    func tableView(_ tableView: UITableView, cellForRowAt indexPath: IndexPath) -> UITableViewCell {
        var cell = tableView.dequeueReusableCell(withIdentifier: "ScanView")
        if cell == nil {
            cell = UITableViewCell(style: .subtitle, reuseIdentifier: "ScanView")
        }
        cell?.accessoryType = .disclosureIndicator
        cell?.textLabel?.text = deviceArray[indexPath.row].peripheral.name ?? " "
        cell?.textLabel?.font = BoldFont(15)
        cell?.detailTextLabel?.text = "mac: \(deviceArray[indexPath.row].mac)"
        cell?.detailTextLabel?.font = RegularFont(11)
        return cell!
    }
    
    func tableView(_ tableView: UITableView, didSelectRowAt indexPath: IndexPath) {
        let cell = tableView.cellForRow(at: indexPath)
        cell?.isSelected = false
        
        if (clickClosure != nil) {
            clickClosure!(6, deviceArray[indexPath.row].peripheral)
        }
    }
    
}