ReaderHive/ReaderHive/Class/Store/V/NRCoinsPackConfirmView.swift

//
//  NRCoinsPackConfirmView.swift
//  ReaderHive
//
//  Created by 澜声世纪 on 2025/12/12.
//

import UIKit
import SnapKit
import HWPanModal
internal import StoreKit

class NRCoinsPackConfirmView: NRPanModalContentView {
    
    
    var buyFinishHandle: (() -> Void)?
    
    var shortPlayId: String?
    var videoId: String?
    
    var model: NRPayItem? {
        didSet {
            tipView.list = model?.ext_info?.sub_coins_txt_list

            var price = model?.price ?? ""
            if model?.discount_type == 1, let introductoryPrice = model?.introductionaryOffer {
                price = introductoryPrice.price.stringValue
            } else if model?.discount_type == 2, let discount = model?.promotionalOffers?.first {
                price = discount.price.stringValue
            }
            
            priceLabel.text = "\(model?.currency ?? "")\(price)/\(model?.getTimeString() ?? "")"
            
        }
    }
    
    private lazy var bgView: UIImageView = {
        let imageView = UIImageView(image: UIImage(named: "bg_image_01"))
        return imageView
    }()
    
    private lazy var titleLabel: NRLabel = {
        let label = NRLabel()
        label.font = .font(ofSize: 24, weight: .bold)
        label.textColorImage = UIImage(named: "gradient_color_01")
        label.text = "What You Get".localized
        return label
    }()
    
    private lazy var closeButton: UIButton = {
        let button = UIButton(type: .custom, primaryAction: UIAction(handler: { [weak self] _ in
            guard let self = self else { return }
            Task {
                await self.dismiss(animated: true)
            }
        }))
        button.setImage(UIImage(named: "close_icon_02"), for: .normal)
        return button
    }()
    
    private lazy var scrollView: NRScrollView = {
        let scrollView = NRScrollView()
        scrollView.addObserver(self, forKeyPath: "contentSize", context: nil)
        return scrollView
    }()
    
    private lazy var titleView: NRCoinsPackConfirmTitleView = {
        let view = NRCoinsPackConfirmTitleView()
        return view
    }()
    
    private lazy var tipView: NRCoinsPackConfirmTipView = {
        let view = NRCoinsPackConfirmTipView()
        return view
    }()
    
    private lazy var priceLabel: UILabel = {
        let label = NRLabel()
        label.font = .font(ofSize: 18, weight: .bold)
        label.textColorImage = UIImage(named: "gradient_color_01")
        return label
    }()
    
    private lazy var buyButton: UIButton = {
        var configuration = UIButton.Configuration.plain()
        configuration.background.image = UIImage(named: "gradient_color_01")
        configuration.background.cornerRadius = 24
        configuration.attributedTitle = AttributedString("Continue".localized, attributes: AttributeContainer([
            .font : UIFont.font(ofSize: 14, weight: .bold),
            .foregroundColor : UIColor.white
        ]))
        
        let button = UIButton(configuration: configuration, primaryAction: UIAction(handler: { [weak self] _ in
            guard let self = self else { return }
            self.buyCoinsPack()
        }))
        
        return button
    }()
    
    @MainActor deinit {
        scrollView.removeObserver(self, forKeyPath: "contentSize")
    }
    
    override init(frame: CGRect) {
        super.init(frame: frame)
        nr_setupUI()
    }
    
    @MainActor 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 == "contentSize" {
            self.panModalSetNeedsLayoutUpdate()
        }
    }
    
    override func allowsTapBackgroundToDismiss() -> Bool {
        return false
    }
    
    override func longFormHeight() -> PanModalHeight {
        let height = 88 + scrollView.contentSize.height + 92 + 10
        return PanModalHeightMake(.content, height + UIScreen.safeBottom)
    }
    
    private func buyCoinsPack() {
        guard let model = self.model else { return }
        NRIapManager.manager.start(model: model, shortPlayId: self.shortPlayId, videoId: self.videoId) { [weak self] finish in
            guard let self = self else { return }
            if finish {
                self.buyFinishHandle?()
                Task {
                    await self.dismiss(animated: true)
                }
            }
        }
    }
}


extension NRCoinsPackConfirmView {
    
    private func nr_setupUI() {
        addSubview(bgView)
        addSubview(titleLabel)
        addSubview(closeButton)
        addSubview(scrollView)
        scrollView.addSubview(titleView)
        scrollView.addSubview(tipView)
        addSubview(buyButton)
        addSubview(priceLabel)
        
        bgView.snp.makeConstraints { make in
            make.left.right.top.equalToSuperview()
        }
        
        titleLabel.snp.makeConstraints { make in
            make.centerX.equalToSuperview()
            make.top.equalToSuperview().offset(52)
        }
        
        closeButton.snp.makeConstraints { make in
            make.right.equalToSuperview().offset(-6)
            make.top.equalToSuperview().offset(6)
            make.width.height.equalTo(44)
        }
        
        scrollView.snp.makeConstraints { make in
            make.left.right.equalToSuperview()
            make.top.equalToSuperview().offset(88)
            make.bottom.equalToSuperview().offset(-(92 + UIScreen.safeBottom + 10))
        }
        
        titleView.snp.makeConstraints { make in
            make.left.equalToSuperview().offset(16)
            make.centerX.equalToSuperview()
            make.top.equalToSuperview()
        }
        
        tipView.snp.makeConstraints { make in
            make.left.right.equalTo(titleView)
            make.top.equalTo(titleView.snp.bottom).offset(12)
            make.bottom.equalToSuperview()
        }
        
        buyButton.snp.makeConstraints { make in
            make.left.equalToSuperview().offset(16)
            make.centerX.equalToSuperview()
            make.top.equalTo(scrollView.snp.bottom).offset(44)
            make.height.equalTo(48)
        }
        
        priceLabel.snp.makeConstraints { make in
            make.centerX.equalToSuperview()
            make.centerY.equalTo(scrollView.snp.bottom).offset(22)
        }
    }
    
}