import XCTest

/// Where a board is stored, and the one operation that changes it.
///
/// Both tests drive the real `BoardIndexStore.relocateBoard(at:to:)` over two real directories the
/// test owns — the DEBUG stand-in cloud root and the DEBUG device root — so the move that lands is a
/// coordinated move of an actual `.kanban` package, not a model edit. The `setUbiquitous` path a
/// shipped build takes cannot be exercised without an iCloud account; what these cover is everything
/// on either side of it.
final class BoardLocationUITests: XCTestCase {

    @MainActor
    func testMoveBoardOutOfICloudAndBack() throws {
        let (app, cloudRoot, deviceRoot) = XCUIApplication.launchedWithFixtureBoardInCloud()
        let inCloud = cloudRoot.appendingPathComponent(RichBoard.packageName, isDirectory: true)
        let onDevice = deviceRoot.appendingPathComponent(RichBoard.packageName, isDirectory: true)

        // Out of iCloud.
        app.openBoardSettings(for: RichBoard.title)
        // `LabeledContent` publishes label and value as one flattened node — "Stored In, iCloud" —
        // which is the sheet's whole claim about where the board is, in one assertion.
        XCTAssertTrue(
            app.staticTexts["Stored In, iCloud"].waitForExistence(timeout: XCUIApplication.uiTimeout),
            "the sheet did not report the board as stored in iCloud"
        )
        app.buttons["Move to Local"].tap()
        app.confirmMove()

        XCTAssertTrue(
            app.navigationBars["Board Settings"].waitForNonExistence(timeout: XCUIApplication.uiTimeout),
            "the sheet stayed up after a move that should have succeeded"
        )
        XCTAssertTrue(
            waitForDirectory(at: onDevice),
            "the package never arrived under the device root at \(onDevice.path)"
        )
        XCTAssertTrue(
            waitForDirectory(at: inCloud, toExist: false),
            "the package was still under the cloud root at \(inCloud.path)"
        )
        XCTAssertTrue(
            app.boardRow(RichBoard.title, alsoContaining: "Local")
                .waitForExistence(timeout: XCUIApplication.uiTimeout),
            "the row never picked up the Local marker"
        )

        // And back.
        app.openBoardSettings(for: RichBoard.title)
        XCTAssertTrue(
            app.staticTexts["Stored In, Local"].waitForExistence(timeout: XCUIApplication.uiTimeout),
            "the sheet did not report the moved board as stored locally"
        )
        let moveToCloud = app.buttons["Move to iCloud"]
        XCTAssertTrue(
            moveToCloud.waitForExistence(timeout: XCUIApplication.uiTimeout),
            "the sheet did not offer the return trip"
        )
        moveToCloud.tap()
        app.confirmMove()

        XCTAssertTrue(
            waitForDirectory(at: inCloud),
            "the package never came back under the cloud root at \(inCloud.path)"
        )
        XCTAssertTrue(
            waitForDirectory(at: onDevice, toExist: false),
            "the package was still under the device root at \(onDevice.path)"
        )
    }

    /// The softened wall (2026-08-08): no iCloud is a notice above a working list, not a screen
    /// instead of one.
    @MainActor
    func testLocalBoardWorksWithoutICloud() throws {
        let (app, _) = XCUIApplication.launchedWithFixtureBoardOnDevice()

        XCTAssertTrue(
            app.element(labelContaining: "iCloud Unavailable").waitForExistence(timeout: XCUIApplication.uiTimeout),
            "the iCloud notice never appeared"
        )

        let boardRow = app.boardRow(RichBoard.title, alsoContaining: "Local")
        XCTAssertTrue(
            boardRow.waitForExistence(timeout: XCUIApplication.uiTimeout),
            "the device-home board never listed — the old wall would have replaced the list here"
        )

        // It is a whole board, not a listing: it opens and navigates like any other.
        boardRow.tap()
        let laneRow = app.element(labelContaining: RichBoard.firstLane)
        XCTAssertTrue(
            laneRow.waitForExistence(timeout: XCUIApplication.uiTimeout),
            "the local board's lanes never appeared"
        )
        app.navigationBars.buttons.element(boundBy: 0).tap()

        // The one thing it cannot do: go somewhere that does not exist.
        app.openBoardSettings(for: RichBoard.title)
        XCTAssertTrue(
            app.staticTexts["Stored In, Local"].waitForExistence(timeout: XCUIApplication.uiTimeout),
            "the sheet did not report the board as stored locally"
        )
        let moveToCloud = app.buttons["Move to iCloud"]
        XCTAssertTrue(
            moveToCloud.waitForExistence(timeout: XCUIApplication.uiTimeout),
            "the sheet never offered a move to iCloud"
        )
        XCTAssertFalse(
            moveToCloud.isEnabled,
            "moving to iCloud was offered as available with no iCloud to move to"
        )
    }
}