//
//  AppThemeTests.swift
//  Tests iOS
//
//  App theme tests: browse themes sheet, verify all 12 theme cards exist,
//  and apply a theme without crashing.
//  TC-070
//

import XCTest

final class AppThemeTests: BaseUITestCase {
    override var seedFixture: String? { "single_mood" }
    override var bypassSubscription: Bool { true }

    /// All 12 app theme names (must match the accessibility IDs: apptheme_card_{lowercased name}).
    private let allThemes = [
        "Zen Garden", "Synthwave", "Celestial", "Editorial",
        "Mixtape", "Bloom", "Heartfelt", "Minimal",
        "Luxe", "Forecast", "Playful", "Journal"
    ]

    /// TC-070: Open Browse Themes sheet and verify all 12 theme cards exist.
    func testBrowseThemes_AllCardsExist() {
        let settingsScreen = TabBarScreen(app: app).tapSettings()
        settingsScreen.assertVisible()
        settingsScreen.tapCustomizeTab()

        let customizeScreen = CustomizeScreen(app: app)
        customizeScreen.openThemePicker()

        // Verify all 12 theme cards are accessible (some may require scrolling)
        for theme in allThemes {
            let card = customizeScreen.appThemeCard(named: theme)
            card.scrollIntoView(in: app, direction: .up)
            card.waitForExistenceOrFail(
                timeout: defaultTimeout,
                message: "Theme card '\(theme)' should exist in the Browse Themes sheet"
            )
        }

        captureScreenshot(name: "browse_themes_all_cards")
    }

    /// TC-070: Apply a theme and verify no crash.
    func testApplyThemes_NoCrash() {
        let tabBar = TabBarScreen(app: app)
        let settingsScreen = tabBar.tapSettings()
        settingsScreen.assertVisible()
        settingsScreen.tapCustomizeTab()

        let customizeScreen = CustomizeScreen(app: app)
        customizeScreen.openThemePicker()

        // Tap a theme card, apply it
        let card = customizeScreen.appThemeCard(named: "Zen Garden")
        card.scrollIntoView(in: app, direction: .up)
        card.forceTap()

        // Apply via the preview apply button
        let applyButton = app.element(UITestID.Customize.previewApplyButton)
        applyButton.waitForExistenceOrFail(timeout: navigationTimeout, message: "Apply button should appear after tapping theme card")
        applyButton.forceTap()

        // Dismiss the themes sheet
        let doneButton = app.element(UITestID.Customize.pickerDoneButton)
        doneButton.waitForExistenceOrFail(timeout: navigationTimeout, message: "Done button should be visible to dismiss theme picker")
        doneButton.forceTap()

        // Navigate to Day tab and verify no crash
        tabBar.tapDay()
        DayScreen(app: app).assertAnyEntryExists()

        captureScreenshot(name: "day_view_after_theme_change")
    }
}