//
//  SessionExpiredDialogViewControllerTests.swift
//  suixinkanTests
//

import UIKit
import XCTest
@testable import suixinkan

/// 登录失效弹窗测试，覆盖强制展示配置、Android 对齐文案与确认防重。
@MainActor
final class SessionExpiredDialogViewControllerTests: XCTestCase {

    func testDialogUsesForcedPresentationAndAndroidCopy() throws {
        let dialog = SessionExpiredDialogViewController(onConfirm: {})
        dialog.loadViewIfNeeded()

        XCTAssertEqual(dialog.modalPresentationStyle, .overFullScreen)
        XCTAssertEqual(dialog.modalTransitionStyle, .crossDissolve)
        XCTAssertTrue(dialog.isModalInPresentation)
        XCTAssertTrue(dialog.view.accessibilityViewIsModal)

        let labels = dialog.view.allSubviews(of: UILabel.self)
        XCTAssertTrue(labels.contains { $0.text == "登录提醒" })
        XCTAssertTrue(labels.contains { $0.text == "当前用户已在其他设备登录，\n请重新登录" })

        let button = try XCTUnwrap(
            dialog.view.allSubviews(of: UIButton.self).first {
                $0.accessibilityIdentifier == "sessionExpired.confirmButton"
            }
        )
        XCTAssertEqual(button.title(for: .normal), "确认并退出登录")
    }

    func testConfirmCallbackOnlyRunsOnce() throws {
        var confirmationCount = 0
        let dialog = SessionExpiredDialogViewController {
            confirmationCount += 1
        }
        dialog.loadViewIfNeeded()
        let button = try XCTUnwrap(
            dialog.view.allSubviews(of: UIButton.self).first {
                $0.accessibilityIdentifier == "sessionExpired.confirmButton"
            }
        )

        button.sendActions(for: .touchUpInside)
        button.sendActions(for: .touchUpInside)

        XCTAssertEqual(confirmationCount, 1)
        XCTAssertFalse(button.isEnabled)
    }
}

private extension UIView {
    func allSubviews<View: UIView>(of type: View.Type) -> [View] {
        subviews.flatMap { subview -> [View] in
            let current = (subview as? View).map { [$0] } ?? []
            return current + subview.allSubviews(of: type)
        }
    }
}