import XCTest

/// Regression test for the App Store rejection (Guideline 2.1a): the
/// "disconnect & delete account data" button was unresponsive. This drives the
/// full flow: open settings, tap delete, confirm, and verify the app returns to
/// the initial connect screen with the account data cleared.
final class AccountDeletionUITests: XCTestCase {
    override func setUpWithError() throws {
        continueAfterFailure = false
    }

    private func launchConfigured() -> XCUIApplication {
        let app = XCUIApplication()
        // Argument-domain overrides win over the app's persisted UserDefaults,
        // so the app starts already connected to the test server.
        app.launchArguments = [
            "-webdav.url", "https://test-denote.andros.dev",
            "-webdav.username", "reviewer",
            "-webdav.notesPath", "/notes/",
            "-debug.password", "DenoteTest2026",
        ]
        app.launch()
        return app
    }

    func testDeleteAccountButtonIsResponsiveAndClearsData() throws {
        let app = launchConfigured()

        // We start on the note list.
        let settingsButton = app.buttons["M-x settings"]
        XCTAssertTrue(settingsButton.waitForExistence(timeout: 10), "note list did not appear")
        settingsButton.tap()

        // Reach the delete button (scroll if needed).
        let deleteButton = app.buttons["[ disconnect & delete account data ]"]
        XCTAssertTrue(deleteButton.waitForExistence(timeout: 5), "delete button not found in settings")
        if !deleteButton.isHittable {
            app.swipeUp()
        }
        deleteButton.tap()

        // The button must respond by showing the confirmation alert.
        let alert = app.alerts["Delete account data?"]
        XCTAssertTrue(alert.waitForExistence(timeout: 5), "delete button was unresponsive: no confirmation alert")
        alert.buttons["Delete"].tap()

        // After deletion we land back on the initial connect screen.
        let testConnection = app.buttons["[ test connection ]"]
        XCTAssertTrue(testConnection.waitForExistence(timeout: 5), "did not return to connect screen after deletion")
        XCTAssertFalse(app.buttons["M-x settings"].exists, "still showing the note list after deletion")
    }
}