import XCTest
@testable import FuelBoardShared

/// User-facing copy: the Fuel Savings SORT is called "Best Value" (renamed on the
/// user's instruction from "Worth the Drive"), while the feature that backs it
/// keeps the name "Worth the Drive" in Settings and on the sheet. Pin both so
/// neither drifts by accident.
final class SortModeNamesTests: XCTestCase {

    func testSortModeNames() {
        XCTAssertEqual(SortMode.cheapest.displayName, "Cheapest")
        XCTAssertEqual(SortMode.closest.displayName, "Closest")
        XCTAssertEqual(SortMode.worthTheDrive.displayName, "Best Value")
    }

    func testRawValueIsUnchangedSoStoredPreferencesKeepDecoding() {
        // The label is copy; the raw value is persisted state. Renaming the one
        // must never move the other.
        XCTAssertEqual(SortMode.worthTheDrive.rawValue, "worthTheDrive")
        XCTAssertEqual(SortMode(rawValue: "worthTheDrive"), .worthTheDrive)
        XCTAssertEqual(SortMode.allCases.map(\.rawValue), ["cheapest", "closest", "worthTheDrive"])
    }

    func testTheFeatureItselfIsStillCalledWorthTheDrive() {
        // Only the sort was renamed — the status wording the feature produces
        // keeps its own name.
        XCTAssertEqual(FuelSavingsStatus.worthTheDrive.displayName, "Worth the drive")
        XCTAssertEqual(FuelSavingsStatus.notWorthTheDrive.displayName, "Not worth the drive")
    }
}