import XCTest

/// Opt-in tests against the actual NAS deployment. No injected replies or media.
final class VoiceLiveTests: XCTestCase {
    private var app: XCUIApplication!
    private var startedMusic = false

    override func record(_ issue: XCTIssue) {
        if let app, app.state == .runningForeground {
            capture("Failure state")
            let hierarchy = XCTAttachment(string: app.debugDescription)
            hierarchy.name = "Failure UI hierarchy"
            hierarchy.lifetime = .keepAlways
            add(hierarchy)
        }
        super.record(issue)
    }

    override func tearDownWithError() throws {
        defer { app?.terminate() }
        guard let app, app.state == .runningForeground else { return }
        // Stop only playback initiated by this test, including assertion failures.
        // Do not leave the shared default room playing between test runs.
        if startedMusic, app.buttons["Stop playback"].exists {
            app.buttons["Stop playback"].tap()
        }
    }

    override func setUpWithError() throws {
        try XCTSkipUnless(ProcessInfo.processInfo.environment["HOPE_RUN_LIVE_TESTS"] == "1", "Requires the live Hope server")
        continueAfterFailure = false
        app = XCUIApplication()
        startedMusic = false
        app.launchArguments = ["--ui-testing", "--reset-ui-testing", "--live-testing"]
        app.launch()
    }

    func testLiveConversationAndBackgroundTask() {
        app.buttons["Start chatting"].tap()
        let composer = app.descendants(matching: .any).matching(identifier: "Message Hope").firstMatch
        XCTAssertTrue(composer.waitForExistence(timeout: 60), "Agent must join the real LiveKit room")
        composer.tap()
        composer.typeText("What is six times seven? Reply in one short sentence.")
        app.buttons["Send message"].tap()
        let reply = app.staticTexts.matching(NSPredicate(format: "label CONTAINS[c] 'forty-two' OR label CONTAINS[c] 'forty two' OR label CONTAINS '42'")).firstMatch
        XCTAssertTrue(reply.waitForExistence(timeout: 60), "Qwen must produce a real response")
        capture("Live Qwen reply")

        composer.tap()
        composer.typeText("Compare espresso and filter coffee in a short background task. Use your existing knowledge; no web search needed.")
        app.buttons["Send message"].tap()
        app.tabBars.buttons["Activity"].tap()
        let complete = app.staticTexts["Complete"].firstMatch
        XCTAssertTrue(complete.waitForExistence(timeout: 90), "Background task must finish and deliver its result")
        capture("Live background result")
        app.tabBars.buttons["Talk"].tap()
        app.buttons["End conversation"].tap()
        XCTAssertTrue(app.buttons["Start chatting"].waitForExistence(timeout: 20))
        // A second room must connect cleanly after the first was torn down.
        app.buttons["Start chatting"].tap()
        XCTAssertTrue(composer.waitForExistence(timeout: 60))
        app.buttons["End conversation"].tap()
        XCTAssertTrue(app.buttons["Start chatting"].waitForExistence(timeout: 20))
    }

    func testLiveLibraryPlayback() {
        app.tabBars.buttons["Music"].tap()
        let play = app.buttons.matching(NSPredicate(format: "label BEGINSWITH 'Play Sheryl Crow'")).firstMatch
        XCTAssertTrue(play.waitForExistence(timeout: 20), "Existing library must load from NAS")
        startedMusic = true
        play.tap()
        XCTAssertTrue(app.buttons["Pause"].waitForExistence(timeout: 30))
        // Elapsed media time proves AVPlayer decoded and advanced, beyond a server desired-state label.
        let position = app.sliders["Playback position"]
        XCTAssertTrue(position.waitForExistence(timeout: 10))
        let advanced = NSPredicate { _, _ in
            let value = position.value as? String ?? "0%"
            return value != "0%" && value != "0" && !value.isEmpty
        }
        expectation(for: advanced, evaluatedWith: position)
        waitForExpectations(timeout: 35)
        app.buttons["Pause"].tap()
        XCTAssertTrue(app.buttons["Play"].waitForExistence(timeout: 10))
        app.buttons["Seek forward 10 seconds"].tap()
        capture("Live music playback")
        app.buttons["Stop playback"].tap()
        XCTAssertFalse(app.buttons["Pause"].exists)
        startedMusic = false
    }

    private func capture(_ name: String) {
        let attachment = XCTAttachment(screenshot: app.screenshot())
        attachment.name = name
        attachment.lifetime = .keepAlways
        add(attachment)
    }
}