import Foundation
import RastrilloApple
import XCTest
@testable import SheetsKit

final class HomeLoadingTests: XCTestCase {
    @MainActor func testLoadingSuccessAndFailureAreDistinct() async throws {
        guard let origin = ProcessInfo.processInfo.environment["HOME_LOADING_TEST_ORIGIN"] else {
            throw XCTSkip("Run the delayed home-list fixture")
        }
        let model = SheetModel(client: NativeHTTP(origin: URL(string: origin)!))
        XCTAssertEqual(model.listState, .loading)
        for expected in [1, 0, -1, 1] {
            let request = Task { await model.loadList() }
            try await Task.sleep(for: .milliseconds(25))
            XCTAssertEqual(model.listState, .loading, "Never classify an in-flight request as empty")
            await request.value
            XCTAssertEqual(model.listState, expected == -1 ? .failed : .loaded)
            if expected >= 0 { XCTAssertEqual(model.sheets.count, expected) }
        }
    }
}