import XCTest

/// Page object for the main tab view that appears after login.
///
/// The app has 4 tabs: Residences, Tasks, Contractors, Documents.
/// Profile is accessed via the settings button on the Residences screen.
/// Uses accessibility identifiers for reliable element lookup.
class MainTabScreen: BaseScreen {

    // MARK: - Tab Elements

    var residencesTab: XCUIElement {
        app.tabBars.buttons[AccessibilityIdentifiers.Navigation.residencesTab]
    }

    var tasksTab: XCUIElement {
        app.tabBars.buttons[AccessibilityIdentifiers.Navigation.tasksTab]
    }

    var contractorsTab: XCUIElement {
        app.tabBars.buttons[AccessibilityIdentifiers.Navigation.contractorsTab]
    }

    var documentsTab: XCUIElement {
        app.tabBars.buttons[AccessibilityIdentifiers.Navigation.documentsTab]
    }

    /// Settings button on the Residences tab (leads to profile/settings).
    var settingsButton: XCUIElement {
        app.buttons[AccessibilityIdentifiers.Navigation.settingsButton]
    }

    override var isDisplayed: Bool {
        residencesTab.waitForExistence(timeout: timeout)
    }

    // MARK: - Navigation

    @discardableResult
    func goToResidences() -> Self {
        waitForElement(residencesTab).tap()
        return self
    }

    @discardableResult
    func goToTasks() -> Self {
        waitForElement(tasksTab).tap()
        return self
    }

    @discardableResult
    func goToContractors() -> Self {
        waitForElement(contractorsTab).tap()
        return self
    }

    @discardableResult
    func goToDocuments() -> Self {
        waitForElement(documentsTab).tap()
        return self
    }

    /// Navigates to settings/profile via the settings button on Residences tab.
    @discardableResult
    func goToSettings() -> Self {
        goToResidences()
        waitForElement(settingsButton).tap()
        return self
    }

    // MARK: - Logout

    /// Logs out by navigating to settings and tapping the logout button.
    /// Handles the confirmation alert automatically.
    func logout() {
        goToSettings()

        let logoutButton = app.buttons[AccessibilityIdentifiers.Profile.logoutButton]
        if logoutButton.waitForExistence(timeout: 5) {
            waitForHittable(logoutButton).tap()

            // Handle confirmation alert
            let alert = app.alerts.firstMatch
            if alert.waitForExistence(timeout: 3) {
                let confirmLogout = alert.buttons["Log Out"]
                if confirmLogout.exists {
                    confirmLogout.tap()
                }
            }
        }
    }
}