import {
  AllPublishOptions,
  BaseS3Options,
  BitbucketOptions,
  CustomPublishOptions,
  GenericServerOptions,
  getS3LikeProviderBaseUrl,
  GithubOptions,
  KeygenOptions,
  newError,
  PublishConfiguration,
} from "builder-util-runtime"
import { AppUpdater } from "./AppUpdater"
import { BitbucketProvider } from "./providers/BitbucketProvider"
import { GenericProvider } from "./providers/GenericProvider"
import { GitHubProvider } from "./providers/GitHubProvider"
import { KeygenProvider } from "./providers/KeygenProvider"
import { PrivateGitHubProvider } from "./providers/PrivateGitHubProvider"
import { Provider, ProviderRuntimeOptions } from "./providers/Provider"

export function isUrlProbablySupportMultiRangeRequests(url: string): boolean {
  return !url.includes("s3.amazonaws.com")
}

export function createClient(data: PublishConfiguration | AllPublishOptions, updater: AppUpdater, runtimeOptions: ProviderRuntimeOptions): Provider<any> {
  // noinspection SuspiciousTypeOfGuard
  if (typeof data === "string") {
    throw newError("Please pass PublishConfiguration object", "ERR_UPDATER_INVALID_PROVIDER_CONFIGURATION")
  }

  const provider = data.provider
  switch (provider) {
    case "github": {
      const githubOptions = data as GithubOptions
      const token = (githubOptions.private ? process.env["GH_TOKEN"] || process.env["GITHUB_TOKEN"] : null) || githubOptions.token
      if (token == null) {
        return new GitHubProvider(githubOptions, updater, runtimeOptions)
      } else {
        return new PrivateGitHubProvider(githubOptions, updater, token, runtimeOptions)
      }
    }

    case "bitbucket":
      return new BitbucketProvider(data as BitbucketOptions, updater, runtimeOptions)

    case "keygen":
      return new KeygenProvider(data as KeygenOptions, updater, runtimeOptions)

    case "s3":
    case "spaces":
      return new GenericProvider(
        {
          provider: "generic",
          url: getS3LikeProviderBaseUrl(data),
          channel: (data as BaseS3Options).channel || null,
        },
        updater,
        {
          ...runtimeOptions,
          // https://github.com/minio/minio/issues/5285#issuecomment-350428955
          isUseMultipleRangeRequest: false,
        }
      )

    case "generic": {
      const options = data as GenericServerOptions
      return new GenericProvider(options, updater, {
        ...runtimeOptions,
        isUseMultipleRangeRequest: options.useMultipleRangeRequest !== false && isUrlProbablySupportMultiRangeRequests(options.url),
      })
    }

    case "custom": {
      const options = data as CustomPublishOptions
      const constructor = options.updateProvider
      if (!constructor) {
        throw newError("Custom provider not specified", "ERR_UPDATER_INVALID_PROVIDER_CONFIGURATION")
      }
      return new constructor(options, updater, runtimeOptions)
    }

    default:
      throw newError(`Unsupported provider: ${provider}`, "ERR_UPDATER_UNSUPPORTED_PROVIDER")
  }
}