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

import XCTest

struct TabBarScreen {
    let app: XCUIApplication

    private let defaultTimeout: TimeInterval = 2
    private let navigationTimeout: TimeInterval = 5

    // MARK: - Actions

    @discardableResult
    func tapDay(file: StaticString = #filePath, line: UInt = #line) -> DayScreen {
        app.tapTab(identifier: UITestID.Tab.day, labels: ["Day", "Main"], timeout: navigationTimeout, file: file, line: line)
        return DayScreen(app: app)
    }

    @discardableResult
    func tapMonth(file: StaticString = #filePath, line: UInt = #line) -> TabBarScreen {
        app.tapTab(identifier: UITestID.Tab.month, labels: ["Month"], timeout: navigationTimeout, file: file, line: line)
        return self
    }

    @discardableResult
    func tapYear(file: StaticString = #filePath, line: UInt = #line) -> TabBarScreen {
        app.tapTab(identifier: UITestID.Tab.year, labels: ["Year", "Filter"], timeout: navigationTimeout, file: file, line: line)
        return self
    }

    @discardableResult
    func tapInsights(file: StaticString = #filePath, line: UInt = #line) -> TabBarScreen {
        app.tapTab(identifier: UITestID.Tab.insights, labels: ["Insights"], timeout: navigationTimeout, file: file, line: line)
        return self
    }

    @discardableResult
    func tapSettings(file: StaticString = #filePath, line: UInt = #line) -> SettingsScreen {
        app.tapTab(identifier: UITestID.Tab.settings, labels: ["Settings"], timeout: navigationTimeout, file: file, line: line)
        return SettingsScreen(app: app)
    }

    // MARK: - Assertions

    @discardableResult
    func assertVisible(file: StaticString = #filePath, line: UInt = #line) -> TabBarScreen {
        app.tabBars.firstMatch
            .waitForExistenceOrFail(timeout: navigationTimeout, message: "Tab bar should be visible", file: file, line: line)
        return self
    }

    func assertDayTabSelected(file: StaticString = #filePath, line: UInt = #line) {
        let dayTab = app.tabBars.buttons[UITestID.Tab.day]
        dayTab.waitForExistenceOrFail(timeout: defaultTimeout, message: "Day tab should exist", file: file, line: line)
        XCTAssertTrue(dayTab.isSelected, "Day tab should be selected", file: file, line: line)
    }
}