import XCTest

/// Covers the Profile tab's logged-out state (`ProfileLoggedOutView`) and
/// the auth intro screen (`LoginView`) it opens.
final class ProfileLoggedOutFlowTests: XCTestCase {
    /// Authenticated-flow tests no longer log out after themselves (see
    /// decisions/2026-09-11-ui-test-shared-login-session.md), so this
    /// class must force a clean logged-out state before its tests run,
    /// rather than assume one. Done once per class, not once per test:
    /// the underlying navigate-to-Profile-tab dance
    /// (`reachProfileTabRegardlessOfAuthState`) is a known race against
    /// the guest address-picker sheet (see
    /// decisions/2026-08-06-ui-test-account-and-app-attest-bypass.md) -
    /// running it a second time back-to-back inside every test (once
    /// here, once again inside `reachLoggedOutProfile`'s own callers)
    /// doubled exposure to that race and broke tests that were
    /// previously stable.
    override class func setUp() {
        super.setUp()
        let app = XCUIApplication()
        app.launch()
        app.logoutIfAuthenticated()
    }

    override func setUpWithError() throws {
        continueAfterFailure = false
    }

    func testLoggedOutProfileShowsLoginPrompt() throws {
        let app = XCUIApplication()
        app.launch()
        XCTAssertTrue(app.reachLoggedOutProfile(), "Never reached the logged-out profile screen")

        XCTAssertTrue(app.staticTexts["Entre na sua conta"].exists)
        XCTAssertTrue(app.staticTexts["Faça login ou cadastre-se para ver seu perfil, pedidos e endereços."].exists)
        XCTAssertTrue(app.buttons["Entrar ou Cadastrar"].isHittable)
    }

    /// The auth intro screen must offer both entry points plus the legal
    /// links, and — the reason App Review rejected the build in 2026-08 —
    /// a working way back out (its `LCENavigationView` back button, which
    /// sets `root = .main`).
    func testAuthIntroScreenShowsChoicesAndCanGoBack() throws {
        let app = XCUIApplication()
        app.launch()
        XCTAssertTrue(app.reachLoggedOutProfile())

        app.buttons["Entrar ou Cadastrar"].tap()

        XCTAssertTrue(app.buttons["Criar conta"].waitForExistence(timeout: 5), "Auth intro missing 'Criar conta'")
        XCTAssertTrue(app.buttons["Entrar"].exists, "Auth intro missing 'Entrar'")
        XCTAssertTrue(app.buttons["Termos de Uso"].exists, "Auth intro missing 'Termos de Uso' link")
        XCTAssertTrue(app.buttons["Política de Privacidade"].exists, "Auth intro missing 'Política de Privacidade' link")

        let backButton = app.buttons.matching(NSPredicate(format: "label == %@", "Back")).firstMatch
        XCTAssertTrue(backButton.exists, "Auth intro has no back button — user is trapped")
        backButton.tap()

        // Back out of `.auth` lands on the main tab bar again.
        XCTAssertTrue(app.buttons["Home"].waitForExistence(timeout: 5), "Back button did not return to the main flow")
    }

    /// The pushed auth screens (Registration, LoginEmail) must carry the
    /// app's standard `AppBackButtonIcon` via `LCENavigationView`, not the
    /// oversized iOS 26 system glass back button.
    func testPushedAuthScreensUseAppBackButton() throws {
        let app = XCUIApplication()
        app.launch()
        XCTAssertTrue(app.reachLoggedOutProfile())
        app.buttons["Entrar ou Cadastrar"].tap()

        XCTAssertTrue(app.buttons["Criar conta"].waitForExistence(timeout: 5))
        app.buttons["Criar conta"].tap()
        XCTAssertTrue(app.staticTexts["Crie sua conta"].waitForExistence(timeout: 5))
        let regBack = app.buttons.matching(NSPredicate(format: "label == %@", "Back")).firstMatch
        XCTAssertTrue(regBack.exists, "Registration screen has no LCENavigationView back button")
        regBack.tap()

        XCTAssertTrue(app.buttons["Entrar"].waitForExistence(timeout: 5))
        app.buttons["Entrar"].tap()
        XCTAssertTrue(app.staticTexts["Boas-vindas!"].waitForExistence(timeout: 5))
        let loginBack = app.buttons.matching(NSPredicate(format: "label == %@", "Back")).firstMatch
        XCTAssertTrue(loginBack.exists, "Login e-mail screen has no LCENavigationView back button")
        loginBack.tap()
        XCTAssertTrue(app.buttons["Criar conta"].waitForExistence(timeout: 5), "Back did not return to the auth intro")
    }
}