import {z} from 'zod'

export type FileContents = {Text: string} | {Binary: Array<number>};

export type User = {email: string, name: string};

export type FileNew = {contents: FileContents, path: string, user: User};

export type Commit = {author: string, email: string, id: string, message: string, parent_ids: Array<string>, timestamp: string};

export type StorageKind = 'local' | 's3';

export type RepoNew = {description?: (string | null) | undefined, files?: (Array<FileNew> | null) | undefined, host?: (string | null) | undefined, is_public?: (boolean | null) | undefined, name: string, namespace: string, namespace_name?: (string | null) | undefined, repo_name?: (string | null) | undefined, repo_uuid?: (string | null) | undefined, root_commit?: (Commit | null) | undefined, scheme?: (string | null) | undefined, storage_kind?: (StorageKind | null) | undefined};

export type CreateApiApiReposArgs = {body: RepoNew};

export type CreateApiApiReposOptions = {baseUrl?: string | undefined, apiKey?: string | undefined, fetch?: typeof fetch | undefined};

export const commit = z.object({author: z.string(), email: z.string(), id: z.string(), message: z.string(), parent_ids: z.array(z.string()), timestamp: z.string()});

export const storageKind = z.enum(["local", "s3"]);

export const repositoryCreationView = z.object({latest_commit: commit.nullable().optional(), min_version: z.string().nullable().optional(), name: z.string(), namespace: z.string(), repo_uuid: z.string().nullable().optional(), storage_kind: storageKind});

export const repositoryCreationResponse = z.object({repository: repositoryCreationView, status: z.string(), status_message: z.string()});

export const validateResponse = async <Output>(
  schema: {
    readonly '~standard': {
      readonly validate: (value: unknown) => ({ readonly value: Output; readonly issues?: undefined } | { readonly issues: ReadonlyArray<{ readonly message: string; readonly path?: ReadonlyArray<PropertyKey | { readonly key: PropertyKey }> | undefined }> }) | Promise<{ readonly value: Output; readonly issues?: undefined } | { readonly issues: ReadonlyArray<{ readonly message: string; readonly path?: ReadonlyArray<PropertyKey | { readonly key: PropertyKey }> | undefined }> }>
    }
  },
  value: unknown
): Promise<Output> => {
  const result = await schema['~standard'].validate(value)

  if (result.issues !== undefined) {
    const detail = result.issues
      .map(({ message, path }) =>
        path?.length
          ? `${path.map((segment) => String(typeof segment === 'object' ? segment.key : segment)).join('.')}: ${message}`
          : message
      )
      .join('; ')

    throw new Error(`Response does not match the schema: ${detail}`, { cause: { issues: result.issues } })
  }

  return result.value
};

/**
 * Create repository
 * 
 * POST /api/repos
 */
export const createApiApiRepos = async (args: CreateApiApiReposArgs, options?: CreateApiApiReposOptions) => {
const {baseUrl = "https://hub.oxen.ai", fetch: fetchFn = fetch, apiKey} = options ?? {}

const query = new URLSearchParams()
const headers = new Headers()
headers.set('content-type', "application/json")
headers.set('accept', "application/json")

if (apiKey !== undefined) headers.set('authorization', `Bearer ${apiKey}`)

const url = `${baseUrl.replace(/\/+$/, '')}/api/repos${query.size > 0 ? `?${query}` : ''}`

const res = await fetchFn(url, {method: "POST", headers, body: JSON.stringify(args.body)})

if (!res.ok) throw new Error(`Request failed with status ${res.status}`, {cause: {status: res.status, body: await res.text()}})

return validateResponse(repositoryCreationResponse, await res.json())
};