import XCTest

@MainActor
final class SettingsUITests: XCTestCase {

    override func setUpWithError() throws {
        continueAfterFailure = false
    }

    func testSettingsView() throws {
        let app = XCUIApplication()
        app.launchPaired()

        // 1. Open Settings
        let settingsButton = app.buttons["Settings"]
        XCTAssertTrue(settingsButton.waitForExistence(timeout: 10))
        settingsButton.tap()

        // 2. Assert Navigation Title
        let navTitle = app.staticTexts["Settings"]
        XCTAssertTrue(navTitle.waitForExistence(timeout: 5), "Settings sheet should have title 'Settings'")

        // 3. Assert section content (SwiftUI renders Section headers as
        // uppercase "SECURITY" etc. but visibility is fragile across SDKs.
        // Asserting on the section's contents is more robust.)
        XCTAssertTrue(app.switches["Require Face ID"].waitForExistence(timeout: 5),
                      "Security → Face ID toggle should exist")
        XCTAssertTrue(app.buttons["Unpair"].exists,
                      "Danger → Unpair button should exist")

        // 4. Toggle Face ID. SwiftUI's Toggle inside a Form is famously
        // sticky for XCUI's .tap() — a coordinate hit on the switch itself
        // is more reliable.
        let faceIDToggle = app.switches["Require Face ID"]
        XCTAssertTrue(faceIDToggle.exists, "Require Face ID toggle should exist")
        let initialState = faceIDToggle.value as? String
        faceIDToggle.coordinate(withNormalizedOffset: CGVector(dx: 0.95, dy: 0.5)).tap()
        // Give SwiftUI a moment to update + persist into UserDefaults.
        let flipped = NSPredicate(format: "value != %@", initialState ?? "")
        expectation(for: flipped, evaluatedWith: faceIDToggle, handler: nil)
        waitForExpectations(timeout: 3)

        // 5. Verify Sidecar Info
        // Host:Port is in a LabeledContent. In XCUITest, LabeledContent often appears as two staticTexts.
        // We look for the value that matches the pattern.
        let hostText = app.staticTexts.matching(NSPredicate(format: "label CONTAINS '10.13.37.2:17373'")).firstMatch
        XCTAssertTrue(hostText.exists, "Sidecar host:port should be displayed correctly")

        // 6. Dismiss
        let doneButton = app.buttons["Done"]
        XCTAssertTrue(doneButton.exists)
        doneButton.tap()
        XCTAssertFalse(navTitle.waitForExistence(timeout: 5), "Settings sheet should dismiss")
    }
}