import Hummingbird
import HummingbirdTesting
import NIOCore
import Testing

@testable import WebsiteCore

@Suite("RootController controller")
struct RootControllerTests {
    
    // MARK: Constants
    
    private let app: Application = .init(router: {
        let router = Router(context: WebsiteRequestContext.self)

        router.addMiddleware {
            LocalizationMiddleware()
        }

        router.addRoutes(RootController<WebsiteRequestContext>().routes)
        
        return router
    }())

    // MARK: Functional tests

    @Test
    func `serves the landing page at the root path`() async throws {
        try await app.test(.router) { client in
            try await client.execute(
                uri: "/",
                method: .get
            ) { response in
                let body = String(buffer: response.body)

                #expect(response.status == .ok)
                #expect(response.headers[.contentType] == "text/html; charset=utf-8")
                #expect(response.headers[.contentLanguage] == "en")
                #expect(response.headers[.vary] == "Accept-Language")
                #expect(body.contains("Hello world!"))
            }
        }
    }

}