//
//  HomePlaceholderViewController.swift
//  suixinkan
//
//  Created by Codex on 2026/6/26.
//

import SnapKit
import UIKit

/// 首页迁移占位页，用于尚未完成 UIKit 迁移的入口。
final class HomePlaceholderViewController: UIViewController {
    private let pageTitle: String
    private let uri: String?

    /// 初始化实例。
    init(title: String, uri: String? = nil) {
        pageTitle = title
        self.uri = uri
        super.init(nibName: nil, bundle: nil)
    }

    @available(*, unavailable)
    required init?(coder: NSCoder) {
        fatalError("init(coder:) has not been implemented")
    }

    /// 视图加载完成后的 UI 初始化与数据绑定。
    override func viewDidLoad() {
        super.viewDidLoad()
        title = pageTitle
        view.backgroundColor = UIColor(hex: 0xF5F7FA)

        let iconView = UIImageView(image: UIImage(systemName: "square.grid.2x2"))
        iconView.tintColor = AppDesign.primary
        iconView.contentMode = .scaleAspectFit

        let titleLabel = UILabel()
        titleLabel.text = pageTitle
        titleLabel.font = .systemFont(ofSize: 20, weight: .semibold)
        titleLabel.textColor = AppDesign.textPrimary
        titleLabel.textAlignment = .center

        let uriLabel = UILabel()
        uriLabel.text = uri
        uriLabel.font = .systemFont(ofSize: 14)
        uriLabel.textColor = AppDesign.textSecondary
        uriLabel.textAlignment = .center
        uriLabel.numberOfLines = 2
        uriLabel.isHidden = uri?.isEmpty != false

        let stack = UIStackView(arrangedSubviews: [iconView, titleLabel, uriLabel])
        stack.axis = .vertical
        stack.spacing = 12
        stack.alignment = .center
        view.addSubview(stack)
        stack.snp.makeConstraints { make in
            make.center.equalToSuperview()
            make.leading.trailing.equalToSuperview().inset(24)
        }
        iconView.snp.makeConstraints { make in
            make.width.height.equalTo(44)
        }
    }
}