import PrimerSDK
import React

// swiftlint:disable type_name
@objc(RNPrimerHeadlessUniversalCheckoutVaultManager)
class RNPrimerHeadlessUniversalCheckoutVaultManager: RCTEventEmitter {
  // swiftlint:enable type_name

  private var vaultedManager: PrimerHeadlessUniversalCheckout.VaultManager!

  override func supportedEvents() -> [String]! {
    return []
  }

  override class func requiresMainQueueSetup() -> Bool {
    return true
  }

  @objc
  func configure(
    _ resolver: @escaping RCTPromiseResolveBlock, rejecter: @escaping RCTPromiseRejectBlock
  ) {
    do {
      self.vaultedManager = PrimerSDK.PrimerHeadlessUniversalCheckout.VaultManager()
      try self.vaultedManager.configure()
      resolver(nil)
    } catch {
      rejecter(error.rnError["errorId"]!, error.rnError["description"], error)
    }
  }

  @objc
  func fetchVaultedPaymentMethods(
    _ resolver: @escaping RCTPromiseResolveBlock, rejecter: @escaping RCTPromiseRejectBlock
  ) {
    self.vaultedManager.fetchVaultedPaymentMethods { vaultedPaymentMethods, err in
      if let err = err {
        rejecter(err.rnError["errorId"]!, err.rnError["description"], err)
      } else if let paymentMethods = vaultedPaymentMethods {
        do {
          let paymentMethodObjects = try paymentMethods.compactMap({ try $0.toJsonObject() })
          resolver(["paymentMethods": paymentMethodObjects])
        } catch {
          rejecter(error.rnError["errorId"]!, error.rnError["description"], error)
        }
      }
    }
  }

  @objc
  func deleteVaultedPaymentMethod(
    _ vaultedPaymentMethodId: String, resolver: @escaping RCTPromiseResolveBlock,
    rejecter: @escaping RCTPromiseRejectBlock
  ) {
    self.vaultedManager.deleteVaultedPaymentMethod(id: vaultedPaymentMethodId) { err in
      if let err = err {
        rejecter(err.rnError["errorId"]!, err.rnError["description"], err)
      } else {
        resolver([])
      }
    }
  }

  @objc
  func validate(
    _ vaultedPaymentMethodId: String, additionalDataStr: String,
    resolver: @escaping RCTPromiseResolveBlock, rejecter: @escaping RCTPromiseRejectBlock
  ) {
    do {
      let additionalData = try PrimerVaultedCardAdditionalData.from(jsonString: additionalDataStr)
      self.vaultedManager.validate(
        vaultedPaymentMethodId: vaultedPaymentMethodId,
        vaultedPaymentMethodAdditionalData: additionalData
      ) { err in
        if let err = err, err.count > 0 {
          rejecter(err.first!.rnError["errorId"]!, err.first!.rnError["description"], err.first!)
        } else {
          resolver(["validationErrors": []])
        }
      }
    } catch {
      rejecter(error.rnError["errorId"]!, error.rnError["description"], error)
    }
  }

  @objc
  func startPaymentFlow(
    _ vaultedPaymentMethodId: String, resolver: @escaping RCTPromiseResolveBlock,
    rejecter: @escaping RCTPromiseRejectBlock
  ) {
    self.vaultedManager.startPaymentFlow(vaultedPaymentMethodId: vaultedPaymentMethodId)
  }

  @objc
  func startPaymentFlowWithAdditionalData(
    _ vaultedPaymentMethodId: String, additionalDataStr: String,
    resolver: @escaping RCTPromiseResolveBlock, rejecter: @escaping RCTPromiseRejectBlock
  ) {
    do {
      let additionalData = try PrimerVaultedCardAdditionalData.from(jsonString: additionalDataStr)
      self.vaultedManager.startPaymentFlow(
        vaultedPaymentMethodId: vaultedPaymentMethodId,
        vaultedPaymentMethodAdditionalData: additionalData)
    } catch {
      rejecter(error.rnError["errorId"]!, error.rnError["description"], error)
    }
  }
}