import XCTest

/// Settings' only section — `SettingsScreen`'s `IndieAbout` block: version/build (which
/// doubles as the changelog link), the License document link, and the copyright line.
final class SettingsAboutUITests: XCTestCase {

    @MainActor
    func testSettingsAboutSection() throws {
        let (app, _) = XCUIApplication.launchedWithFixtureBoard()

        app.navigationBars.buttons["Settings"].tap()

        // The About section is the only section in the form — a speculative swipe settles the
        // list near the bottom before anything here is queried, harmless if the content already
        // fit on screen.
        app.swipeUp()

        // `IndieAbout`'s version line is three sibling `Text` views (prefix, the tappable
        // "1.0-<build>" link, suffix) — none of them wrapped in a control that would flatten them
        // into one accessibility element, so the link is addressable on its own by the substring
        // only it carries. `MARKETING_VERSION` for KanbanMobile is "1.0" (project.yml).
        let versionLink = app.staticTexts.matching(NSPredicate(format: "label CONTAINS %@", "1.0")).firstMatch
        XCTAssertTrue(
            versionLink.waitForExistence(timeout: XCUIApplication.uiTimeout),
            "no version label containing \"1.0\" appeared in Settings"
        )

        let licenseLink = app.staticTexts["License"]
        XCTAssertTrue(licenseLink.waitForExistence(timeout: XCUIApplication.uiTimeout), "the License link never appeared")

        let copyright = app.element(labelContaining: "2026 rzen")
        XCTAssertTrue(copyright.waitForExistence(timeout: XCUIApplication.uiTimeout), "the copyright text never appeared")

        // Tap the version link — opens the changelog (`IndieAbout.versionLineView`'s
        // `.onTapGesture`, wired to `changelogDocument: .changelog()` in `SettingsScreen`).
        app.scrollUntilHittable(versionLink)
        versionLink.tap()
        let changelogText = app.element(labelContaining: "August 2026")
        XCTAssertTrue(
            changelogText.waitForExistence(timeout: XCUIApplication.uiTimeout),
            "the changelog sheet never showed \"August 2026\" (KanbanMobile/CHANGELOG.md)"
        )
        // Scoped to the "Changelog" nav bar specifically — `SettingsScreen` is itself a sheet with
        // its own "Done" button, and that nav bar stays in the accessibility tree underneath this
        // one, so an unscoped `app.navigationBars.buttons["Done"]` would match both.
        app.navigationBars["Changelog"].buttons["Done"].tap()

        // Tap License — opens the bundled ISC license.
        app.scrollUntilHittable(licenseLink)
        licenseLink.tap()
        let licenseText = app.element(labelContaining: "ISC License")
        XCTAssertTrue(
            licenseText.waitForExistence(timeout: XCUIApplication.uiTimeout),
            "the license sheet never showed \"ISC License\" (LICENSE.md)"
        )
        // Same scoping reason as the changelog Done tap above.
        app.navigationBars["License"].buttons["Done"].tap()
    }
}