import XCTest

/// Critical path tests for core navigation.
///
/// Validates tab bar navigation, settings access, and screen transitions.
/// Requires a logged-in user. Zero sleep() calls — all waits are condition-based.
final class NavigationCriticalPathTests: AuthenticatedTestCase {
    override var useSeededAccount: Bool { true }

    // MARK: - Tab Navigation

    func testAllTabsExist() {
        let tabBar = app.tabBars.firstMatch
        guard tabBar.waitForExistence(timeout: defaultTimeout) else {
            XCTFail("Main screen did not appear")
            return
        }

        let residencesTab = app.tabBars.buttons.containing(NSPredicate(format: "label CONTAINS[c] 'Residences'")).firstMatch
        let tasksTab = app.tabBars.buttons.containing(NSPredicate(format: "label CONTAINS[c] 'Tasks'")).firstMatch
        let contractorsTab = app.tabBars.buttons.containing(NSPredicate(format: "label CONTAINS[c] 'Contractors'")).firstMatch
        let documentsTab = app.tabBars.buttons.containing(NSPredicate(format: "label CONTAINS[c] 'Doc'")).firstMatch

        XCTAssertTrue(residencesTab.exists, "Residences tab should exist")
        XCTAssertTrue(tasksTab.exists, "Tasks tab should exist")
        XCTAssertTrue(contractorsTab.exists, "Contractors tab should exist")
        XCTAssertTrue(documentsTab.exists, "Documents tab should exist")
    }

    func testNavigateToTasksTab() {
        let tabBar = app.tabBars.firstMatch
        guard tabBar.waitForExistence(timeout: defaultTimeout) else {
            XCTFail("Main screen did not appear")
            return
        }

        navigateToTasks()
        let tasksTab = app.tabBars.buttons.containing(NSPredicate(format: "label CONTAINS[c] 'Tasks'")).firstMatch
        XCTAssertTrue(tasksTab.isSelected, "Tasks tab should be selected")
    }

    func testNavigateToContractorsTab() {
        let tabBar = app.tabBars.firstMatch
        guard tabBar.waitForExistence(timeout: defaultTimeout) else {
            XCTFail("Main screen did not appear")
            return
        }

        navigateToContractors()
        let contractorsTab = app.tabBars.buttons.containing(NSPredicate(format: "label CONTAINS[c] 'Contractors'")).firstMatch
        XCTAssertTrue(contractorsTab.isSelected, "Contractors tab should be selected")
    }

    func testNavigateToDocumentsTab() {
        let tabBar = app.tabBars.firstMatch
        guard tabBar.waitForExistence(timeout: defaultTimeout) else {
            XCTFail("Main screen did not appear")
            return
        }

        navigateToDocuments()
        let documentsTab = app.tabBars.buttons.containing(NSPredicate(format: "label CONTAINS[c] 'Doc'")).firstMatch
        XCTAssertTrue(documentsTab.isSelected, "Documents tab should be selected")
    }

    func testNavigateBackToResidencesTab() {
        let tabBar = app.tabBars.firstMatch
        guard tabBar.waitForExistence(timeout: defaultTimeout) else {
            XCTFail("Main screen did not appear")
            return
        }

        navigateToDocuments()
        navigateToResidences()
        let residencesTab = app.tabBars.buttons.containing(NSPredicate(format: "label CONTAINS[c] 'Residences'")).firstMatch
        XCTAssertTrue(residencesTab.isSelected, "Residences tab should be selected")
    }

    // MARK: - Settings Access

    func testSettingsButtonExists() {
        let tabBar = app.tabBars.firstMatch
        guard tabBar.waitForExistence(timeout: defaultTimeout) else {
            XCTFail("Main screen did not appear")
            return
        }

        navigateToResidences()
        let settingsButton = app.buttons[AccessibilityIdentifiers.Navigation.settingsButton]
        XCTAssertTrue(
            settingsButton.waitForExistence(timeout: 5),
            "Settings button should exist on Residences screen"
        )
    }

    // MARK: - Add Buttons

    func testResidenceAddButtonExists() {
        let tabBar = app.tabBars.firstMatch
        guard tabBar.waitForExistence(timeout: defaultTimeout) else {
            XCTFail("Main screen did not appear")
            return
        }

        navigateToResidences()
        let addButton = app.buttons[AccessibilityIdentifiers.Residence.addButton].firstMatch
        XCTAssertTrue(
            addButton.waitForExistence(timeout: 5),
            "Residence add button should exist"
        )
    }

    func testTaskAddButtonExists() {
        let tabBar = app.tabBars.firstMatch
        guard tabBar.waitForExistence(timeout: defaultTimeout) else {
            XCTFail("Main screen did not appear")
            return
        }

        navigateToTasks()
        let addButton = app.buttons[AccessibilityIdentifiers.Task.addButton].firstMatch
        XCTAssertTrue(
            addButton.waitForExistence(timeout: 5),
            "Task add button should exist"
        )
    }

    func testContractorAddButtonExists() {
        let tabBar = app.tabBars.firstMatch
        guard tabBar.waitForExistence(timeout: defaultTimeout) else {
            XCTFail("Main screen did not appear")
            return
        }

        navigateToContractors()
        let addButton = app.buttons[AccessibilityIdentifiers.Contractor.addButton].firstMatch
        XCTAssertTrue(
            addButton.waitForExistence(timeout: 5),
            "Contractor add button should exist"
        )
    }

    func testDocumentAddButtonExists() {
        let tabBar = app.tabBars.firstMatch
        guard tabBar.waitForExistence(timeout: defaultTimeout) else {
            XCTFail("Main screen did not appear")
            return
        }

        navigateToDocuments()
        let addButton = app.buttons[AccessibilityIdentifiers.Document.addButton].firstMatch
        XCTAssertTrue(
            addButton.waitForExistence(timeout: 5),
            "Document add button should exist"
        )
    }
}