//
//  YFLDragCardExample.swift
//  Crush
//
//  Created by AI Assistant on 2024/12/19.
//  Copyright © 2024年 Crush. All rights reserved.
//

import UIKit
import SnapKit

// MARK: - 使用示例
class MeetDragCardExampleViewController: UIViewController {
    
    private var dragCardContainer: MeetDragCardContainer!
    private var dataArray: [String] = ["卡片1", "卡片2", "卡片3", "卡片4", "卡片5"]
    
    override func viewDidLoad() {
        super.viewDidLoad()
        setupUI()
        setupDragCardContainer()
    }
    
    private func setupUI() {
        view.backgroundColor = UIColor.white
        
        // 创建拖拽卡片容器
        let lr = 12.0
        let cardWidth = UIScreen.width - lr * 2.0
        let cardHeight = 600.0 // 400
        dragCardContainer = MeetDragCardContainer(frame: CGRect(x: 0, y: 0, width: cardWidth, height: cardHeight))
        view.addSubview(dragCardContainer)
        
        dragCardContainer.snp.makeConstraints { make in
            make.center.equalToSuperview()
            make.width.equalTo(cardWidth)
            make.height.equalTo(cardHeight)
        }
        
        // 设置数据源和代理
        dragCardContainer.dataSource = self
        dragCardContainer.delegate = self
        
        // 添加控制按钮
        setupControlButtons()
    }
    
    private func setupControlButtons() {
        let leftButton = UIButton(type: .system)
        leftButton.setTitle("左滑", for: .normal)
        leftButton.backgroundColor = UIColor.red
        leftButton.setTitleColor(.white, for: .normal)
        leftButton.addTarget(self, action: #selector(leftButtonTapped), for: .touchUpInside)
        view.addSubview(leftButton)
        
        let rightButton = UIButton(type: .system)
        rightButton.setTitle("右滑", for: .normal)
        rightButton.backgroundColor = UIColor.green
        rightButton.setTitleColor(.white, for: .normal)
        rightButton.addTarget(self, action: #selector(rightButtonTapped), for: .touchUpInside)
        view.addSubview(rightButton)
        
        let reloadButton = UIButton(type: .system)
        reloadButton.setTitle("重新加载", for: .normal)
        reloadButton.backgroundColor = UIColor.blue
        reloadButton.setTitleColor(.white, for: .normal)
        reloadButton.addTarget(self, action: #selector(reloadButtonTapped), for: .touchUpInside)
        view.addSubview(reloadButton)
        
        leftButton.snp.makeConstraints { make in
            make.bottom.equalTo(view.safeAreaLayoutGuide).offset(-20)
            make.left.equalToSuperview().offset(20)
            make.width.equalTo(80)
            make.height.equalTo(40)
        }
        
        rightButton.snp.makeConstraints { make in
            make.bottom.equalTo(view.safeAreaLayoutGuide).offset(-20)
            make.centerX.equalToSuperview()
            make.width.equalTo(80)
            make.height.equalTo(40)
        }
        
        reloadButton.snp.makeConstraints { make in
            make.bottom.equalTo(view.safeAreaLayoutGuide).offset(-20)
            make.right.equalToSuperview().offset(-20)
            make.width.equalTo(80)
            make.height.equalTo(40)
        }
    }
    
    private func setupDragCardContainer() {
        // 重新加载数据
        dragCardContainer.reloadData()
    }
    
    @objc private func leftButtonTapped() {
        dragCardContainer.removeCardViewForDirection(.left)
    }
    
    @objc private func rightButtonTapped() {
        dragCardContainer.removeCardViewForDirection(.right)
    }
    
    @objc private func reloadButtonTapped() {
        dragCardContainer.reloadData()
    }
}

// MARK: - MeetDragCardContainerDataSource
extension MeetDragCardExampleViewController: MeetDragCardContainerDataSource {
    func numberOfRowsInYFLDragCardContainer(_ container: MeetDragCardContainer) -> Int {
        return dataArray.count
    }
    
    func container(_ container: MeetDragCardContainer, viewForRowsAt index: Int) -> MeetDragCardView {
        let cardView = CustomDragCardView()
        cardView.configure(with: dataArray[index])
        return cardView
    }
}

// MARK: - MeetDragCardContainerDelegate
extension MeetDragCardExampleViewController: MeetDragCardContainerDelegate {
    func container(_ container: MeetDragCardContainer, didSelectRowAt index: Int) {
        print("点击了卡片: \(index)")
    }
    
    func container(_ container: MeetDragCardContainer, dataSourceIsEmpty isEmpty: Bool) {
        if isEmpty {
            print("数据源为空，可以加载更多数据")
            // 这里可以加载更多数据
            loadMoreData()
        }
    }
    
    func container(_ container: MeetDragCardContainer, canDragForCardView cardView: MeetDragCardView) -> Bool {
        return true
    }
    
    func container(_ container: MeetDragCardContainer, dargingForCardView cardView: MeetDragCardView, direction: ContainerDragDirection, widthRate: CGFloat, heightRate: CGFloat) {
        // 拖拽过程中的回调
        if direction == .left {
            container.showNopeLogo(true, widthRate: CGFloat(abs(widthRate)))
        } else if direction == .right {
            container.showLikeLogo(true, widthRate: CGFloat(abs(widthRate)))
        } else {
            container.showNopeLogo(false, widthRate: 0)
            container.showLikeLogo(false, widthRate: 0)
        }
    }
    
    func container(_ container: MeetDragCardContainer, canDragFinishForDirection direction: ContainerDragDirection, forCardView cardView: MeetDragCardView) -> Bool {
        return true
    }
    
    func container(_ container: MeetDragCardContainer, dragDidFinshForDirection direction: ContainerDragDirection, forCardView cardView: MeetDragCardView) {
        print("卡片拖拽完成，方向: \(direction)")
        
        // 显示相应的动画
        switch direction {
        case .left:
           // container.showNopeLottie()
            break
        case .right:
//            container.showLikeLottie()
            break
        default:
            break
        }
    }
    
    func container(_ container: MeetDragCardContainer, lookingBack direction: ContainerDragDirection, forCardView cardView: MeetDragCardView) {
        print("卡片回看，方向: \(direction)")
    }
    
    func container(_ container: MeetDragCardContainer, enterSmallCardMode smallCardMode: Bool, forCardView cardView: MeetDragCardView) {
        print("进入小卡片模式: \(smallCardMode)")
    }
    
    private func loadMoreData() {
        // 模拟加载更多数据
        DispatchQueue.main.asyncAfter(deadline: .now() + 1.0) {
            self.dataArray.append(contentsOf: ["新卡片1", "新卡片2", "新卡片3"])
            self.dragCardContainer.reloadData()
        }
    }
}

// MARK: - 自定义卡片视图
class CustomDragCardView: MeetDragCardView {
    
    private let titleLabel = UILabel()
    private let contentLabel = UILabel()
    private let imageView = UIImageView()
    
    override init(frame: CGRect) {
        super.init(frame: frame)
        setupSubviews()
    }
    
    required init?(coder: NSCoder) {
        super.init(coder: coder)
        setupSubviews()
    }
    
    private func setupSubviews() {
        backgroundColor = UIColor.systemBlue
        
        // 设置圆角和阴影
        layer.cornerRadius = 12
        layer.shadowColor = UIColor.black.cgColor
        layer.shadowOffset = CGSize(width: 0, height: 2)
        layer.shadowRadius = 4
        layer.shadowOpacity = 0.1
        
        // 添加子视图
        addSubview(imageView)
        addSubview(titleLabel)
        addSubview(contentLabel)
        
        // 配置子视图
        imageView.backgroundColor = UIColor.lightGray
        imageView.contentMode = .scaleAspectFill
        imageView.layer.cornerRadius = 8
        imageView.clipsToBounds = true
        
        titleLabel.font = UIFont.boldSystemFont(ofSize: 18)
        titleLabel.textColor = .white
        titleLabel.textAlignment = .center
        
        contentLabel.font = UIFont.systemFont(ofSize: 14)
        contentLabel.textColor = .white
        contentLabel.textAlignment = .center
        contentLabel.numberOfLines = 0
        
        // 使用SnapKit进行布局
        imageView.snp.makeConstraints { make in
            make.top.equalToSuperview().offset(20)
            make.centerX.equalToSuperview()
            make.width.height.equalTo(100)
        }
        
        titleLabel.snp.makeConstraints { make in
            make.top.equalTo(imageView.snp.bottom).offset(20)
            make.left.right.equalToSuperview().inset(20)
        }
        
        contentLabel.snp.makeConstraints { make in
            make.top.equalTo(titleLabel.snp.bottom).offset(10)
            make.left.right.equalToSuperview().inset(20)
            make.bottom.lessThanOrEqualToSuperview().offset(-20)
        }
    }
    
    func configure(with text: String) {
        titleLabel.text = text
        contentLabel.text = "这是 \(text) 的详细内容描述"
    }
    
    override func YFLDragCardViewLayoutSubviews() {
        super.YFLDragCardViewLayoutSubviews()
        // 子类可以在这里进行额外的布局调整
    }
    
    override func startAnimatingForDirection(_ direction: ContainerDragDirection) {
        super.startAnimatingForDirection(direction)
        
        // 根据方向添加动画效果
        switch direction {
        case .left:
            // 不喜欢动画
            UIView.animate(withDuration: 0.3) {
                self.transform = self.transform.rotated(by: -CGFloat.pi / 6)
                self.alpha = 0.7
            }
        case .right:
            // 喜欢动画
            UIView.animate(withDuration: 0.3) {
                self.transform = self.transform.rotated(by: CGFloat.pi / 6)
                self.alpha = 0.7
            }
        default:
            break
        }
    }
}