import DatabaseClientLive
import Dependencies
import Vapor

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

// TODO: Pass dependencies to set into this middleware.
struct DependenciesMiddleware: AsyncMiddleware {

  private let values: DependencyValues.Continuation
  private let database: DatabaseClient

  init(
    database: DatabaseClient
  ) {
    self.values = withEscapedDependencies { $0 }
    self.database = database
  }

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

}