import {
  GetWorkspacePlan,
  GetWorkspaceSubscriptionBySubscriptionId,
  PaidWorkspacePlanStatuses,
  SubscriptionData,
  UpsertPaidWorkspacePlan,
  UpsertWorkspaceSubscription
} from '@/modules/gatekeeper/domain/billing'
import {
  WorkspacePlanMismatchError,
  WorkspacePlanNotFoundError,
  WorkspaceSubscriptionNotFoundError
} from '@/modules/gatekeeper/errors/billing'
import { throwUncoveredError } from '@speckle/shared'

export const handleSubscriptionUpdateFactory =
  ({
    upsertPaidWorkspacePlan,
    getWorkspacePlan,
    getWorkspaceSubscriptionBySubscriptionId,
    upsertWorkspaceSubscription
  }: {
    getWorkspacePlan: GetWorkspacePlan
    upsertPaidWorkspacePlan: UpsertPaidWorkspacePlan
    getWorkspaceSubscriptionBySubscriptionId: GetWorkspaceSubscriptionBySubscriptionId
    upsertWorkspaceSubscription: UpsertWorkspaceSubscription
  }) =>
  async ({ subscriptionData }: { subscriptionData: SubscriptionData }) => {
    // we're only handling marking the sub scheduled for cancelation right now
    const subscription = await getWorkspaceSubscriptionBySubscriptionId({
      subscriptionId: subscriptionData.subscriptionId
    })
    if (!subscription) throw new WorkspaceSubscriptionNotFoundError()

    const workspacePlan = await getWorkspacePlan({
      workspaceId: subscription.workspaceId
    })
    if (!workspacePlan) throw new WorkspacePlanNotFoundError()

    let status: PaidWorkspacePlanStatuses | undefined = undefined

    if (
      subscriptionData.status === 'active' &&
      subscriptionData.cancelAt &&
      subscriptionData.cancelAt > new Date()
    ) {
      status = 'cancelationScheduled'
    } else if (
      subscriptionData.status === 'active' &&
      subscriptionData.cancelAt === null
    ) {
      status = 'valid'
    } else if (subscriptionData.status === 'past_due') {
      status = 'paymentFailed'
    } else if (subscriptionData.status === 'canceled') {
      status = 'canceled'
    }

    if (status) {
      switch (workspacePlan.name) {
        case 'team':
        case 'pro':
        case 'business':
          break
        case 'unlimited':
        case 'academia':
          throw new WorkspacePlanMismatchError()
        default:
          throwUncoveredError(workspacePlan)
      }

      await upsertPaidWorkspacePlan({
        workspacePlan: { ...workspacePlan, status }
      })
      // if there is a status in the sub, we recognize, we need to update our state
      await upsertWorkspaceSubscription({
        workspaceSubscription: { ...subscription, subscriptionData }
      })
    }
  }