//
//  PremiumCustomizationTests.swift
//  Tests iOS
//
//  Premium customization gate tests: verify upgrade banner and subscribe
//  button appear when trial is expired and user is not subscribed.
//  TC-075
//

import XCTest

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

    /// TC-075: Upgrade banner visible on Customize tab when trial expired.
    func testCustomizeTab_UpgradeBannerVisible_WhenTrialExpired() {
        let settingsScreen = TabBarScreen(app: app).tapSettings()
        settingsScreen.assertVisible()

        settingsScreen.assertUpgradeBannerVisible()

        captureScreenshot(name: "customize_upgrade_banner")
    }

    /// TC-075: Subscribe button visible on Customize tab when trial expired.
    func testCustomizeTab_SubscribeButtonVisible_WhenTrialExpired() {
        let settingsScreen = TabBarScreen(app: app).tapSettings()
        settingsScreen.assertVisible()

        settingsScreen.subscribeButton
            .waitForExistenceOrFail(
                timeout: navigationTimeout,
                message: "Subscribe button should be visible when trial is expired"
            )

        captureScreenshot(name: "customize_subscribe_button")
    }

    /// TC-075: Tapping subscribe button opens subscription sheet without crash.
    func testCustomizeTab_SubscribeButtonOpensSheet() {
        let settingsScreen = TabBarScreen(app: app).tapSettings()
        settingsScreen.assertVisible()

        settingsScreen.subscribeButton
            .waitUntilHittableOrFail(timeout: navigationTimeout, message: "Subscribe button should be hittable")
            .forceTap()

        // Verify the subscription sheet appears without crashing.
        // StoreKit may not load products in test environments, so just verify
        // we didn't crash and can still interact with the app after dismissing.
        captureScreenshot(name: "subscription_sheet_opened")

        // Dismiss the sheet
        app.swipeDown()

        // Verify we can still see the settings screen (no crash)
        settingsScreen.assertVisible()

        captureScreenshot(name: "settings_after_subscription_sheet_dismissed")
    }

    /// TC-075: Settings sub-tab shows upgrade CTA when trial expired.
    func testSettingsSubTab_ShowsPaywallGate_WhenTrialExpired() {
        let settingsScreen = TabBarScreen(app: app).tapSettings()
        settingsScreen.assertVisible()
        settingsScreen.tapSettingsTab()

        // Either the upgrade banner or subscribe button should be present
        let bannerExists = settingsScreen.upgradeBanner.waitForExistence(timeout: navigationTimeout)
        let buttonExists = settingsScreen.subscribeButton.waitForExistence(timeout: defaultTimeout)

        XCTAssertTrue(
            bannerExists || buttonExists,
            "Settings sub-tab should show upgrade CTA when trial is expired"
        )

        captureScreenshot(name: "settings_subtab_paywall_gate")
    }
}