import XCTest

/// Real UI interactions with isolated preferences. These cover the client,
/// including offline recovery; they do not claim to verify the live backend.
final class VoiceUITests: XCTestCase {
    private var app: XCUIApplication!

    override func setUpWithError() throws {
        continueAfterFailure = false
        app = XCUIApplication()
        app.launchArguments = ["--ui-testing", "--reset-ui-testing"]
    }

    func testLogoutDoesNotLeakPriorAccountTranscriptOrTasks() {
        app.launchArguments.append("--ui-fixtures")
        app.launch()
        XCTAssertTrue(app.staticTexts["Help me plan a quiet weekend."].waitForExistence(timeout: 10))
        app.buttons["Sign out"].tap()
        XCTAssertTrue(app.secureTextFields["Password"].waitForExistence(timeout: 10))
        let username = app.textFields["Username"]
        username.tap()
        username.typeText("second-user")
        app.secureTextFields["Password"].tap()
        app.secureTextFields["Password"].typeText("offline-only")
        app.buttons["Sign in"].tap()
        XCTAssertTrue(app.buttons["Start chatting"].waitForExistence(timeout: 10))
        XCTAssertFalse(app.staticTexts["Help me plan a quiet weekend."].exists)
        app.tabBars.buttons["Activity"].tap()
        XCTAssertFalse(app.staticTexts["Search backend timed out after 30s"].exists)
    }

    func testWelcomeNavigationAndOfflineRecovery() {
        app.launch()
        XCTAssertTrue(app.buttons["Start chatting"].waitForExistence(timeout: 10))
        XCTAssertTrue(app.staticTexts["Your microphone starts after you connect."].exists)
        app.buttons["Type"].tap()
        XCTAssertTrue(app.buttons["Start chatting"].exists)
        XCTAssertTrue(app.staticTexts["Your microphone stays off."].exists)
        app.buttons["Start chatting"].tap()
        XCTAssertTrue(app.buttons["Try again"].waitForExistence(timeout: 20))
        XCTAssertTrue(app.staticTexts["Couldn’t connect"].exists)
        app.buttons["Settings"].tap()
        XCTAssertTrue(app.textFields["Server URL"].waitForExistence(timeout: 5))
        capture("Offline recovery")
    }

    func testVoiceSelectionPersistsAndURLValidation() {
        app.launch()
        app.buttons["Settings"].tap()
        app.buttons.matching(NSPredicate(format: "label CONTAINS 'Speaking voice'")).firstMatch.tap()
        let voice = app.buttons.matching(NSPredicate(format: "label CONTAINS 'Jenny'")).firstMatch
        XCTAssertTrue(voice.waitForExistence(timeout: 5))
        voice.tap()
        XCTAssertTrue(app.buttons.matching(NSPredicate(format: "label CONTAINS 'Speaking voice' AND label CONTAINS 'Jenny'")).firstMatch.exists)
        let server = app.textFields["Server URL"]
        server.tap()
        let original = server.value as? String ?? ""
        server.typeText(String(repeating: XCUIKeyboardKey.delete.rawValue, count: original.count) + "http://example.com")
        app.buttons["Save server address"].tap()
        XCTAssertTrue(app.staticTexts.matching(NSPredicate(format: "label CONTAINS 'must use https'")).firstMatch.waitForExistence(timeout: 5))

        let invalid = server.value as? String ?? ""
        server.tap()
        server.typeText(String(repeating: XCUIKeyboardKey.delete.rawValue, count: invalid.count) + "  https://127.0.0.1:1  ")
        app.buttons["Save server address"].tap()
        XCTAssertTrue(app.staticTexts["Server address saved."].waitForExistence(timeout: 5))
        XCTAssertEqual(server.value as? String, "https://127.0.0.1:1")

        let unchanged = server.value as? String ?? ""
        server.tap()
        server.typeText(String(repeating: XCUIKeyboardKey.delete.rawValue, count: unchanged.count) + " https://127.0.0.1:2 ")
        app.buttons["Save server address"].tap()
        Thread.sleep(forTimeInterval: 2)
        XCTAssertTrue(app.navigationBars["Settings"].exists)
        XCTAssertTrue(app.staticTexts["Server address saved."].exists)
        XCTAssertEqual(server.value as? String, "https://127.0.0.1:2")

        app.terminate()
        app.launchArguments = ["--ui-testing"]
        app.launch()
        app.buttons["Settings"].tap()
        XCTAssertTrue(app.buttons.matching(NSPredicate(format: "label CONTAINS 'Speaking voice' AND label CONTAINS 'Jenny'")).firstMatch.waitForExistence(timeout: 5))
        XCTAssertEqual(app.textFields["Server URL"].value as? String, "https://127.0.0.1:2")
    }


    func testTranscriptClearConfirmationAndActivityDetails() {
        app.launchArguments.append("--ui-fixtures")
        app.launch()
        XCTAssertTrue(app.staticTexts["Help me plan a quiet weekend."].waitForExistence(timeout: 10))
        app.buttons["Conversation options"].tap()
        app.buttons["Clear conversation"].tap()
        app.buttons["Cancel"].tap()
        XCTAssertTrue(app.staticTexts["Help me plan a quiet weekend."].exists)
        app.buttons["Conversation options"].tap()
        app.buttons["Clear conversation"].tap()
        app.buttons["Clear conversation"].tap()
        XCTAssertTrue(app.buttons["Start chatting"].exists)
        XCTAssertFalse(app.staticTexts["Help me plan a quiet weekend."].exists)
        app.tabBars.buttons["Activity"].tap()
        XCTAssertTrue(app.staticTexts["Needs attention"].waitForExistence(timeout: 5))
        XCTAssertTrue(app.staticTexts["Search backend timed out after 30s"].exists)
        app.staticTexts["Search backend timed out after 30s"].tap()
        XCTAssertTrue(app.staticTexts["Fetching benchmark articles…"].waitForExistence(timeout: 5))
        capture("Activity details")
    }

    func testRestoredTranscriptStaysAtTopUntilLatest() {
        app.launchArguments.append("--ui-long-transcript")
        app.launch()

        let first = app.staticTexts.matching(NSPredicate(format: "label CONTAINS 'Earlier message 1:'")).firstMatch
        let last = app.staticTexts.matching(NSPredicate(format: "label CONTAINS 'Earlier message 30:'")).firstMatch
        XCTAssertTrue(first.waitForExistence(timeout: 10))
        XCTAssertTrue(app.buttons["Latest"].exists)
        XCTAssertFalse(last.isHittable)

        app.buttons["Latest"].tap()
        XCTAssertTrue(last.waitForExistence(timeout: 5))
        XCTAssertTrue(last.isHittable)
    }

    func testLargeTypeNavigation() {
        app.launchArguments += ["-UIPreferredContentSizeCategoryName", "UICTContentSizeCategoryAccessibilityXXXL"]
        app.launch()
        XCTAssertTrue(app.buttons["Start chatting"].waitForExistence(timeout: 10))
        XCTAssertTrue(app.buttons["Start chatting"].isHittable)
        app.tabBars.buttons["Activity"].tap()
        XCTAssertTrue(app.staticTexts["No tasks yet"].waitForExistence(timeout: 15))
        app.buttons["Settings"].tap()
        XCTAssertTrue(app.navigationBars["Settings"].exists)
        capture("Accessibility text size")
    }

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