import Dependencies
import DependenciesMacros
import Logging
import PsychrometricClient
import Routes

public extension DependencyValues {
  var apiController: ApiController {
    get { self[ApiController.self] }
    set { self[ApiController.self] = newValue }
  }
}

@DependencyClient
public struct ApiController: Sendable {
  public var json: @Sendable (SiteRoute.Api, Logger) async throws -> (any Encodable)?
}

extension ApiController: TestDependencyKey {
  public static let testValue: ApiController = Self()
}

extension ApiController: DependencyKey {
  public static var liveValue: ApiController {
    @Dependency(\.psychrometricClient) var psychrometricClient

    return .init(json: { route, logger in
      logger.debug("API Route: \(route)")

      switch route {
      case let .calculateDehumidifierSize(request):
        logger.debug("Calculating dehumidifier size: \(request)")
        return try await request.respond(logger)

      case let .calculateHVACSystemPerformance(request):
        logger.debug("Calculating hvac system performance: \(request)")
        return try await request.respond(logger: logger)

      case let .calculateMoldRisk(request):
        logger.debug("Calculating mold risk: \(request)")
        return try await psychrometricClient.respond(request, logger)

      case let .calculateRoomPressure(request):
        logger.debug("Calculating room pressure: \(request)")
        // FIX:
        fatalError()
      }
    })
  }
}