//
//  MineView.swift
//  QuickLocation
//
//  Created based on Lanhu design: 我的·版本6 / 照片墙改版
//

import UIKit
import RxSwift
import RxCocoa

final class MineView: UIView {

    var disposeBag = DisposeBag()

    private let vipCardHeight: CGFloat = 90
    private let settingsRowHeight: CGFloat = 52
    private let quickItemTitles = ["权限检测", "数据安全", "状态设置", "隐私设置"]

    var onQuickTap: ((String) -> Void)?

    func setupData(_ model: UserConfigModel) {
        guard AppContextManager.shared.systemConfig?.isIntercept == false else {
            maskBgView.isHidden = false
            return
        }
        maskBgView.isHidden = true
        guard model.vip > 1 else {
            vipTitleLab.text = "开通会员"
            vipContentLab.text = "会员尊享10+VIP特权"
            vipActivateButton.isHidden = false
            vipActivateButton.setTitle("立即开通", for: .normal)
            return
        }
        vipTitleLab.text = model.vip_name
        vipContentLab.text = model.vip == 3 ? "会员终身有效"
        : "会员到期:\(self.getDateInterval2String(date: model.vip_expire_time, dateFormat: "yyyy.MM.dd"))"
        vipActivateButton.setTitle("点击续费", for: .normal)
        vipActivateButton.isHidden = model.vip == 3
    }

    // MARK: - Components

    private lazy var scrollView: UIScrollView = {
        let sv = UIScrollView()
        sv.backgroundColor = UIColor(hexStr: "#FAFAFA")
        sv.showsVerticalScrollIndicator = false
//        sv.alwaysBounceVertical = true
        return sv
    }()

    private lazy var contentView: UIView = {
        let v = UIView()
        v.backgroundColor = .clear
        return v
    }()

    private lazy var headerBgView: UIView = {
        let v = UIView()
        v.backgroundColor = .clear
        return v
    }()

    lazy var photoWall: MinePhotoWallView = {
        MinePhotoWallView()
    }()

    lazy var vipCardView: UIView = {
        let view = UIView()
        view.layer.cornerRadius = 16
        view.clipsToBounds = true
        return view
    }()

    lazy var vipCardBgImageView: UIImageView = {
        let iv = UIImageView()
        iv.image = UIImage(named: "Mine/vip_card")
        iv.contentMode = .scaleToFill
        return iv
    }()

    lazy var maskBgView: UIImageView = {
        let iv = UIImageView()
        iv.image = UIImage(named: "Mine/mask_bg")
        iv.contentMode = .scaleToFill
        iv.isHidden = true
        return iv
    }()

    lazy var vipTitleLab: UILabel = {
        let label = UILabel()
        label.font = FontManager.boboBold(18)
        label.textColor = .white
        label.text = " "
        return label
    }()

    lazy var vipContentLab: UILabel = {
        let label = UILabel()
        label.font = .systemFont(ofSize: 12, weight: .medium)
        label.textColor = .white
        label.text = " "
        return label
    }()

    lazy var vipActivateButton: UIButton = {
        let btn = UIButton(type: .custom)
        btn.backgroundColor = UIColor(hexStr: "#C0FF54")
        btn.setTitle("立即开通", for: .normal)
        btn.setTitleColor(UIColor(hexStr: "#00343B"), for: .normal)
        btn.titleLabel?.font = FontManager.boboBold(14)
        btn.cornerRadius = 9
        btn.isHidden = true
        return btn
    }()

    private lazy var quickCardView: UIView = {
        let v = UIView()
        v.backgroundColor = .white
        v.cornerRadius = 20
        return v
    }()

    private lazy var quickStack: UIStackView = {
        let stack = UIStackView()
        stack.axis = .horizontal
        stack.distribution = .fillEqually
        stack.alignment = .center
        return stack
    }()

    private lazy var settingsCardView: UIView = {
        let view = UIView()
        view.backgroundColor = .white
        view.layer.cornerRadius = 12
        view.layer.shadowColor = UIColor(red: 0.898, green: 0.898, blue: 0.898, alpha: 0.3).cgColor
        view.layer.shadowOffset = .zero
        view.layer.shadowRadius = 4
        view.layer.shadowOpacity = 1
        return view
    }()

    lazy var settingsTableView: UITableView = {
        let tv = UITableView(frame: .zero, style: .plain)
        tv.backgroundColor = .clear
        tv.isScrollEnabled = false
        tv.separatorStyle = .none
        tv.register(MineMenuCell.self)
        tv.rowHeight = settingsRowHeight
        tv.estimatedRowHeight = settingsRowHeight
        return tv
    }()

    private var settingsCardHeightConstraint: NSLayoutConstraint?
    private var contentSizeObservation: NSKeyValueObservation?

    // 兼容旧绑定（已迁到 photoWall）
    lazy var avatarImageView: UIImageView = UIImageView()
    lazy var nameLabel: UILabel = UILabel()
    lazy var idLabel: UILabel = UILabel()
    lazy var editButton: UIButton = UIButton(type: .custom)
    lazy var copyButton: UIButton = UIButton(type: .custom)

    override init(frame: CGRect) {
        super.init(frame: frame)
        setupUI()
        setupLayout()
        setupQuickActions()
    }

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

    private func setupUI() {
        backgroundColor = UIColor(hexStr: "#FAFAFA")

        addSubview(scrollView)
        scrollView.addSubview(contentView)
        contentView.addSubview(headerBgView)

        // 照片墙固定顶部，不随列表滚动
        addSubview(photoWall)

        contentView.addSubview(vipCardView)
        vipCardView.addSubview(vipCardBgImageView)
        vipCardView.addSubview(vipActivateButton)
        vipCardView.addSubview(vipTitleLab)
        vipCardView.addSubview(vipContentLab)
        vipCardView.addSubview(maskBgView)

        contentView.addSubview(quickCardView)
        quickCardView.addSubview(quickStack)

        contentView.addSubview(settingsCardView)
        settingsCardView.addSubview(settingsTableView)
    }

    private func setupLayout() {
        photoWall.layoutChain
            .top(40)
            .edgesHorzontal()

        scrollView.layoutChain
            .topToBottomOfView(photoWall)
            .edgesHorzontal()
            .bottom()

        contentView.layoutChain
            .edges()
            .widthToView(scrollView)

        vipCardView.layoutChain
            .top(12)
            .left(16).right(16)
            .height(vipCardHeight)

        vipCardBgImageView.layoutChain.edges()

        vipTitleLab.layoutChain
            .top(22)
            .left(77)

        vipContentLab.layoutChain
            .topToBottomOfView(vipTitleLab, offset: 6)
            .leftToView(vipTitleLab)

        vipActivateButton.layoutChain
            .right(19).centerY()
            .width(70).height(28)

        maskBgView.layoutChain.edges()

        quickCardView.layoutChain
            .topToBottomOfView(vipCardView, offset: 20)
            .left(16).right(16)
            .height(90)

        quickStack.layoutChain
            .edges(all: 8)

        settingsCardView.layoutChain
            .topToBottomOfView(quickCardView, offset: 16)
            .left(16).right(16)
            .bottom(20)

        settingsCardHeightConstraint = settingsCardView.heightAnchor.constraint(equalToConstant: 208)
        settingsCardHeightConstraint?.isActive = true

        settingsTableView.layoutChain.edges()

        contentSizeObservation = settingsTableView.observe(\.contentSize, options: [.new, .initial]) { [weak self] _, _ in
            self?.refreshTableViewHeight()
        }
    }

    private func setupQuickActions() {
        let icons = [
            "Mine/quick_permission",
            "Mine/quick_data_security",
            "Mine/quick_status",
            "Mine/quick_privacy"
        ]
        for (i, title) in quickItemTitles.enumerated() {
            let item = makeQuickItem(icon: icons[i], title: title)
            item.tag = i
            item.rx.tapGesture
                .subscribe(onNext: { [weak self] _ in
                    self?.onQuickTap?(title)
                })
                .disposed(by: disposeBag)
            quickStack.addArrangedSubview(item)
        }
    }

    private func makeQuickItem(icon: String, title: String) -> UIView {
        let wrap = UIView()
        wrap.isUserInteractionEnabled = true
        let view = UIView()
        view.backgroundColor = UIColor(hexStr: "#F3F5F8")
        view.cornerRadius = 16
        
        let iv = UIImageView(image: UIImage(named: icon))
        iv.contentMode = .scaleAspectFill
        view.addSubview(iv)
        
        let lab = UILabel()
        lab.text = title
        lab.font = .systemFont(ofSize: 12, weight: .medium)
        lab.textColor = UIColor(hexStr: "#293445")
        lab.textAlignment = .center
        wrap.addSubview(view)
        wrap.addSubview(lab)
        view.layoutChain
            .top(8)
            .centerX()
            .width(40)
            .height(40)
        iv.layoutChain
            .centerY()
            .centerX()
            .width(24)
            .height(24)
        lab.layoutChain
            .topToBottomOfView(view, offset: 6)
            .edgesHorzontal(2)
            .bottom(4)
        return wrap
    }

    override func layoutSubviews() {
        super.layoutSubviews()
        // 顶部淡色渐变氛围
        setGradientLayer(
            frame: CGRect(x: 0, y: 0, width: bounds.width, height: min(280, bounds.height * 0.35)),
            startPoint: CGPoint(x: 0.5, y: 0),
            endPoint: CGPoint(x: 0.5, y: 1),
            colors: [UIColor(hexStr: "#D8F4FF"), UIColor(hexStr: "#FAFAFA")],
            locations: [0, 1]
        )
        refreshTableViewHeight()
    }

    func refreshTableViewHeight() {
        let contentHeight = settingsTableView.contentSize.height
        guard contentHeight > 0 else { return }
        settingsCardHeightConstraint?.constant = contentHeight
        settingsTableView.isScrollEnabled = false
    }
}

// MARK: - MineMenuCell
final class MineMenuCell: UITableViewCell {

    func configure(_ model: MineMenuItem) {
        iconImageView.image = UIImage(named: model.icon)
        titleLabel.text = model.title
    }

    private func setupSubviews() {
        contentView.addSubview(iconImageView)
        contentView.addSubview(titleLabel)
        contentView.addSubview(arrowImageView)
        contentView.addSubview(dividerLine)

        iconImageView.layoutChain
            .left(14).centerY()
            .size(CGSize(width: 24, height: 24))

        titleLabel.layoutChain
            .leftToRightOfView(iconImageView, offset: 8)
            .centerY()

        arrowImageView.layoutChain
            .right(14).centerY()
            .size(CGSize(width: 18, height: 18))

        dividerLine.layoutChain
            .left(14).right().bottom()
            .height(0.5)
    }

    var showDivider: Bool = true {
        didSet { dividerLine.isHidden = !showDivider }
    }

    private let iconImageView: UIImageView = {
        let iv = UIImageView()
        iv.contentMode = .scaleAspectFit
        return iv
    }()

    private let titleLabel: UILabel = {
        let label = UILabel()
        label.font = UIFont(name: "PingFangSC-Medium", size: 14)
            ?? UIFont.systemFont(ofSize: 14, weight: .medium)
        label.textColor = UIColor(hexStr: "#1A1A1A")
        return label
    }()

    private let arrowImageView: UIImageView = {
        let iv = UIImageView()
        iv.contentMode = .scaleAspectFit
        iv.image = UIImage(named: "Mine/arrow_right")
        return iv
    }()

    private let dividerLine: UIView = {
        let view = UIView()
        view.backgroundColor = UIColor(hexStr: "#EDEDED")
        return view
    }()

    override init(style: CellStyle, reuseIdentifier: String?) {
        super.init(style: style, reuseIdentifier: reuseIdentifier)
        backgroundColor = .clear
        selectionStyle = .none
        setupSubviews()
    }

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