import axios from "axios"
import * as E from "fp-ts/Either"
import { z } from "zod"

const expectedAllowedProvidersSchema = z.object({
  // currently supported values are "GOOGLE", "GITHUB", "EMAIL", "MICROSOFT", "SAML"
  // keeping it as string to avoid backend accidentally breaking frontend when adding new providers
  providers: z.array(z.string()),
})

export const getAllowedAuthProviders = async () => {
  try {
    const res = await axios.get(
      `${import.meta.env.VITE_BACKEND_API_URL}/auth/providers`,
      {
        withCredentials: true,
      }
    )

    const parseResult = expectedAllowedProvidersSchema.safeParse(res.data)

    if (!parseResult.success) {
      return E.left("SOMETHING_WENT_WRONG")
    }

    return E.right(parseResult.data.providers)
  } catch (_) {
    return E.left("SOMETHING_WENT_WRONG")
  }
}