//
//  AboutView.swift
//  QuickLocation
//

import UIKit

final class AboutView: UIView {

    lazy var navView: BaseNavigationView = {
        BaseNavigationView(title: "关于我们")
    }()

    lazy var navBgView: UIImageView = {
        let iv = UIImageView(image: UIImage(named: "Common/navBar_bg_2"))
        iv.contentMode = .scaleAspectFill
        return iv
    }()
    
    let logoImage = UIImageView(image: UIImage(named: "Mine/"))
    let nameImage = UIImageView(image: UIImage(named: "Mine/about_logo"))
    let versionLab = UILabel()

    let feedbackBtn = AboutMenuButton(title: "意见反馈")
    let rateBtn = AboutMenuButton(title: "给个好评")
    let agreementBtn = AboutMenuButton(title: "用户协议")
    let privacyBtn = AboutMenuButton(title: "隐私政策")
    let kidsPrivacyBtn = AboutMenuButton(title: "儿童隐私政策")

    override init(frame: CGRect) {
        super.init(frame: frame)
        backgroundColor = UIColor(hexStr: "#FAFAFA")
        setupUI()
    }

    required init?(coder: NSCoder) { fatalError("init(coder:) has not been implemented") }

    private func setupUI() {
        addSubview(navBgView)
        addSubview(navView)
        navBgView.layoutChain.edges(excludingEdge: .bottom).heightToWidth(160 / 375)
        navView.layoutChain.top().edgesHorzontal().height(kNaviHeight)

        logoImage.contentMode = .scaleAspectFill
        logoImage.backgroundColor = .lightGray
        logoImage.cornerRadius = 30
        
        addSubview(logoImage)
        logoImage.layoutChain
            .topToBottomOfView(navView, offset: 67)
            .centerX()
            .width(100)
            .heightToWidth(1)
        
        addSubview(nameImage)
        nameImage.layoutChain
            .topToBottomOfView(logoImage, offset: 24)
            .centerX()
            .width(114)
            .height(25)

        let card1 = makeCard()
        addSubview(card1)
        card1.layoutChain.topToBottomOfView(nameImage, offset: 40).edgesHorzontal(15)
        stackInCard(card1, buttons: [feedbackBtn, rateBtn])

        let card2 = makeCard()
        addSubview(card2)
        card2.layoutChain.topToBottomOfView(card1, offset: 12).edgesHorzontal(15)
        stackInCard(card2, buttons: [agreementBtn, privacyBtn, kidsPrivacyBtn])

        versionLab.text = kAppShortVersion
        versionLab.font = .systemFont(ofSize: 12, weight: .medium)
        versionLab.textColor = UIColor(hexStr: "#AAAAAA")
        versionLab.textAlignment = .center
        addSubview(versionLab)
        versionLab.layoutChain.bottom(34).centerX()
    }

    private func makeCard() -> UIView {
        let v = UIView()
        v.backgroundColor = .white
        v.layer.cornerRadius = 16
        v.layer.shadowColor = UIColor(hexStr: "#0F2846", alpha: 0.08).cgColor
        v.layer.shadowOffset = CGSize(width: 0, height: 2)
        v.layer.shadowOpacity = 1
        v.layer.shadowRadius = 8
        return v
    }

    private func stackInCard(_ card: UIView, buttons: [AboutMenuButton]) {
        let stack = UIStackView(arrangedSubviews: buttons)
        stack.axis = .vertical
        stack.spacing = 0
        card.addSubview(stack)
        stack.layoutChain.edges()
        buttons.forEach { $0.layoutChain.height(52) }
        for (i, btn) in buttons.enumerated() where i < buttons.count - 1 {
            let line = UIView()
            line.backgroundColor = UIColor(hexStr: "#F2F2F2")
            btn.addSubview(line)
            line.layoutChain.left(15).right(15).bottom(0).height(0.5)
        }
    }
}

final class AboutMenuButton: UIControl {
    private let titleLab = UILabel()
    private let arrow = UIImageView(image: UIImage(named: "Mine/arrow_right"))

    init(title: String) {
        super.init(frame: .zero)
        titleLab.text = title
        titleLab.font = .systemFont(ofSize: 15, weight: .medium)
        titleLab.textColor = UIColor(hexStr: "#293445")
        addSubview(titleLab)
        titleLab.layoutChain.left(15).centerY()
        arrow.contentMode = .scaleAspectFit
        addSubview(arrow)
        arrow.layoutChain.right(15).centerY().width(12).height(12)
    }

    required init?(coder: NSCoder) { fatalError("init(coder:) has not been implemented") }
}