ReaderHive/ReaderHive/Class/Novel/V/NRNovelDetailBottomView.swift

//
//  NRNovelDetailBottomView.swift
//  ReaderHive
//
//  Created by 澜声世纪 on 2025/11/26.
//

import UIKit
import SnapKit
import YYCategories

class NRNovelDetailBottomView: UIView {

    override var intrinsicContentSize: CGSize {
        return .init(width: UIScreen.width, height: UIScreen.safeBottom + 64)
    }
    
    weak var viewModel: NRNovelDetailViewModel? {
        didSet {
            viewModel?.addObserver(self, forKeyPath: "novelModel", context: nil)
        }
    }
    
    lazy var lineView: UIView = {
        let view = UIView()
        view.backgroundColor = .F_2_EFEE
        return view
    }()
    
    lazy var readBgView: UIView = {
        let view = NRGradientView()
        view.colors = [UIColor.F_3912_F.cgColor, UIColor.FF_4_A_4_A.cgColor, UIColor.FA_9_B_1_F.cgColor]
        view.startPoint = .init(x: 0, y: 0.5)
        view.endPoint = .init(x: 1, y: 0.5)
        view.layer.cornerRadius = 24
        view.layer.masksToBounds = true
        return view
    }()
    
    lazy var readButton: UIButton = {
        let button = UIButton(type: .custom, primaryAction: UIAction(handler: { [weak self] _ in
            guard let self = self else { return }
            guard let id = self.viewModel?.novelId else { return }
            let vc = NRNovelReaderViewController()
            vc.novelId = id
            self.viewController?.navigationController?.pushViewController(vc, animated: true)
        }))
        button.setTitle("reader_book_startReading".localized, for: .normal)
        button.setTitleColor(.white, for: .normal)
        button.titleLabel?.font = .font(ofSize: 14, weight: .medium)
        return button
    }()
    
    lazy var collectButton: UIButton = {
        var configuration = UIButton.Configuration.plain()
        configuration.background.backgroundColor = .clear
        configuration.contentInsets = .zero
        configuration.imagePadding = 4
        configuration.imagePlacement = .top
        configuration.attributedTitle = AttributedString("reader_book_collects".localized, attributes: AttributeContainer([
            .font : UIFont.font(ofSize: 10, weight: .regular),
            .foregroundColor : UIColor.black
        ]))
        
        let button = UIButton(configuration: configuration, primaryAction: UIAction(handler: { [weak self] _ in
            guard let self = self else { return }
            guard let model = self.viewModel?.novelModel else { return }
            let isCollect = !(model.is_collect ?? false)
            
            Task {
                await NRNovelAPI.requestCollect(isCollect: isCollect, id: self.viewModel?.novelId ?? "")                
            }
        }))
        
        button.configurationUpdateHandler = { [weak self] button in
            guard let self = self else { return }
            if button.isSelected {
                button.configuration?.image = UIImage(named: "collect_icon_01_selected")
            } else {
                button.configuration?.image = UIImage(named: "collect_icon_01")
            }
            
        }
        
        
        return button
    }()
    
    deinit {
        self.viewModel?.removeObserver(self, forKeyPath: "novelModel")
        NotificationCenter.default.removeObserver(self)
    }
    
    override init(frame: CGRect) {
        super.init(frame: frame)
        self.backgroundColor = .white
        NotificationCenter.default.addObserver(self, selector: #selector(updateCollectStateNotification), name: NRNovelAPI.updateCollectStateNotification, object: nil)
        
        nr_setupUI()
    }
    
    required init?(coder: NSCoder) {
        fatalError("init(coder:) has not been implemented")
    }
    
    override func observeValue(forKeyPath keyPath: String?, of object: Any?, change: [NSKeyValueChangeKey : Any]?, context: UnsafeMutableRawPointer?) {
        if keyPath == "novelModel" {
            didChangeCollectState()
        }
    }
    
    
    @objc private func updateCollectStateNotification(sender: Notification) {
        guard let userInfo = sender.userInfo else { return }
        guard let id = userInfo["id"] as? String else { return }
        guard let state = userInfo["state"] as? Bool else { return }
        guard id == self.viewModel?.novelId else { return }
        
        self.viewModel?.novelModel?.is_collect = state
        
        didChangeCollectState()
    }
    
    private func didChangeCollectState() {
        self.collectButton.isSelected = self.viewModel?.novelModel?.is_collect ?? false
    }
}

extension NRNovelDetailBottomView {
    
    private func nr_setupUI() {
        addSubview(lineView)
        addSubview(readBgView)
        readBgView.addSubview(readButton)
        addSubview(collectButton)
        
        lineView.snp.makeConstraints { make in
            make.left.right.top.equalToSuperview()
            make.height.equalTo(1)
        }
        
        readBgView.snp.makeConstraints { make in
            make.top.equalToSuperview().offset(8)
            make.height.equalTo(48)
            make.right.equalToSuperview().offset(-16)
//            make.left.equalToSuperview().offset(16)
            make.left.equalTo(collectButton.snp.right).offset(12)
        }
        
        readButton.snp.makeConstraints { make in
            make.edges.equalToSuperview()
        }
        
        collectButton.snp.makeConstraints { make in
            make.centerX.equalTo(self.snp.left).offset(40)
            make.centerY.equalTo(readBgView)
        }
    }
    
}