import ApiControllerLive
import Dependencies
import PsychrometricClientLive
import Vapor
import ViewControllerLive

// Taken from discussions page on `swift-dependencies`.

struct DependenciesMiddleware: AsyncMiddleware {

  private let values: DependencyValues.Continuation
  private let apiController: ApiController
  private let psychrometricClient: PsychrometricClient
  // private let database: DatabaseClient
  private let viewController: ViewController

  init(
    // database: DatabaseClient,
    apiController: ApiController = .liveValue,
    psychrometricClient: PsychrometricClient = .liveValue,
    viewController: ViewController = .liveValue
  ) {
    self.values = withEscapedDependencies { $0 }
    self.apiController = apiController
    // self.database = database
    self.psychrometricClient = psychrometricClient
    self.viewController = viewController
  }

  func respond(to request: Request, chainingTo next: any AsyncResponder) async throws -> Response {
    try await values.yield {
      try await withDependencies {
        $0.apiController = apiController
        // $0.database = database
        // $0.dateFormatter = .liveValue
        $0.psychrometricClient = psychrometricClient
        $0.viewController = viewController
      } operation: {
        try await next.respond(to: request)
      }
    }
  }

}