//
//  HomeLocationReportCardView.swift
//  suixinkan
//

import SnapKit
import UIKit

/// 首页位置上报卡片。
final class HomeLocationReportCardView: UIView {

    var onReportTap: (() -> Void)?

    private let titleStackView = UIStackView()
    private let titleIconView = UIImageView(image: UIImage(systemName: "arrow.up.square.fill"))
    private let titleLabel = UILabel()
    private let addressLabel = UILabel()
    private let reportButtonContainer = UIView()
    private let reportButton = UIButton(type: .system)
    private let reportGradientLayer = CAGradientLayer()

    override init(frame: CGRect) {
        super.init(frame: frame)
        backgroundColor = AppColor.cardBackground
        layer.cornerRadius = AppRadius.md
        clipsToBounds = true

        titleStackView.axis = .horizontal
        titleStackView.alignment = .center
        titleStackView.spacing = AppSpacing.xs

        titleIconView.tintColor = AppColor.primary
        titleIconView.contentMode = .scaleAspectFit

        titleLabel.text = "立即上报"
        titleLabel.font = .systemFont(ofSize: 22, weight: .bold)
        titleLabel.textColor = AppColor.textPrimary

        addressLabel.font = .systemFont(ofSize: 15, weight: .regular)
        addressLabel.textColor = AppColor.textTertiary
        addressLabel.numberOfLines = 2

        reportGradientLayer.colors = [AppColor.primary.cgColor, UIColor(hex: 0x5CA8FF).cgColor]
        reportGradientLayer.startPoint = CGPoint(x: 0.5, y: 0)
        reportGradientLayer.endPoint = CGPoint(x: 0.5, y: 1)
        reportButtonContainer.layer.insertSublayer(reportGradientLayer, at: 0)
        reportButtonContainer.layer.cornerRadius = 46
        reportButtonContainer.clipsToBounds = true

        reportButton.backgroundColor = .clear
        reportButton.tintColor = .white
        reportButton.setImage(UIImage(systemName: "hand.tap.fill"), for: .normal)
        reportButton.setPreferredSymbolConfiguration(
            UIImage.SymbolConfiguration(pointSize: 38, weight: .semibold),
            forImageIn: .normal
        )
        reportButton.imageView?.contentMode = .scaleAspectFit
        reportButton.addTarget(self, action: #selector(reportTapped), for: .touchUpInside)
        reportButton.accessibilityLabel = "上报位置"

        titleStackView.addArrangedSubview(titleIconView)
        titleStackView.addArrangedSubview(titleLabel)
        addSubview(titleStackView)
        addSubview(addressLabel)
        addSubview(reportButtonContainer)
        reportButtonContainer.addSubview(reportButton)

        titleIconView.snp.makeConstraints { make in
            make.width.height.equalTo(25)
        }
        titleStackView.snp.makeConstraints { make in
            make.leading.equalToSuperview().offset(15)
            make.top.equalToSuperview().offset(15)
            make.trailing.lessThanOrEqualTo(reportButtonContainer.snp.leading).offset(-AppSpacing.sm)
        }
        addressLabel.snp.makeConstraints { make in
            make.top.equalTo(titleStackView.snp.bottom).offset(AppSpacing.xxs)
            make.leading.equalTo(titleStackView)
            make.trailing.lessThanOrEqualTo(reportButtonContainer.snp.leading).offset(-AppSpacing.sm)
        }
        reportButtonContainer.snp.makeConstraints { make in
            make.trailing.equalToSuperview().offset(-15)
            make.centerY.equalToSuperview()
            make.width.height.equalTo(92)
        }
        reportButton.snp.makeConstraints { make in
            make.edges.equalToSuperview()
        }
    }

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

    override func layoutSubviews() {
        super.layoutSubviews()
        reportGradientLayer.frame = reportButtonContainer.bounds
        reportGradientLayer.cornerRadius = reportButtonContainer.bounds.width / 2
    }

    func apply(address: String, isReporting: Bool) {
        addressLabel.text = address
        reportButton.isEnabled = !isReporting
        reportButton.alpha = 1
        reportGradientLayer.colors = isReporting
            ? [UIColor(hex: 0xC9CED6).cgColor, UIColor(hex: 0xD9DDE4).cgColor]
            : [AppColor.primary.cgColor, UIColor(hex: 0x5CA8FF).cgColor]
    }

    @objc private func reportTapped() { onReportTap?() }
}