//
//  TabBarScreen.swift
//  Tests iOS
//
//  Screen object for the main tab bar navigation.
//

import XCTest

struct TabBarScreen {
    let app: XCUIApplication

    // MARK: - Tab Buttons (using localized labels)

    var dayTab: XCUIElement { app.tabBars.buttons["Day"] }
    var monthTab: XCUIElement { app.tabBars.buttons["Month"] }
    var yearTab: XCUIElement { app.tabBars.buttons["Year"] }
    var insightsTab: XCUIElement { app.tabBars.buttons["Insights"] }
    var settingsTab: XCUIElement { app.tabBars.buttons["Settings"] }

    // MARK: - Actions

    @discardableResult
    func tapDay() -> DayScreen {
        tapTab(dayTab)
        return DayScreen(app: app)
    }

    @discardableResult
    func tapMonth() -> TabBarScreen {
        tapTab(monthTab)
        return self
    }

    @discardableResult
    func tapYear() -> TabBarScreen {
        tapTab(yearTab)
        return self
    }

    @discardableResult
    func tapInsights() -> TabBarScreen {
        tapTab(insightsTab)
        return self
    }

    @discardableResult
    func tapSettings() -> SettingsScreen {
        tapTab(settingsTab)
        return SettingsScreen(app: app)
    }

    // MARK: - Assertions

    func assertDayTabSelected() {
        XCTAssertTrue(dayTab.isSelected, "Day tab should be selected")
    }

    func assertTabBarVisible() {
        XCTAssertTrue(dayTab.waitForExistence(timeout: 5), "Tab bar should be visible")
    }

    // MARK: - Private

    /// Tap a tab bar button. Uses coordinate tap to avoid iOS 26 Liquid Glass
    /// overlay elements reporting buttons as not hittable.
    private func tapTab(_ tab: XCUIElement) {
        _ = tab.waitForExistence(timeout: 5)
        tab.coordinate(withNormalizedOffset: CGVector(dx: 0.5, dy: 0.5)).tap()
    }
}