import {z} from 'zod'

export type UploadClient = {id: string, version?: string | undefined};

export type CreateUploadRequest = {contentLength?: (number | null) | undefined, sourceFormat: 'ply' | 'sog' | 'ssog' | 'lcc', title?: string | undefined, description?: string | undefined, uploadClient?: UploadClient | undefined, softwareTools?: Array<string> | undefined};

export type CreateApiV1SplatsUploadsArgs = {'Idempotency-Key'?: string | undefined, body: CreateUploadRequest};

export type CreateApiV1SplatsUploadsOptions = {baseUrl?: string | undefined, bearerAuth?: string | undefined, fetch?: typeof fetch | undefined};

export const uploadSession = z.object({id: z.string(), status: z.enum(["created", "uploading", "processing", "completed", "canceled"]), contentLength: z.number().int().gte(0).lte(25000000000).nullable(), sourceFormat: z.enum(["ply", "sog", "ssog", "lcc"]), title: z.string(), description: z.string(), softwareTools: z.array(z.string().min(1).max(64)).optional(), partSize: z.number().int().gte(1).lte(25000000000), uploadedParts: z.array(z.object({partNumber: z.number().int().gte(1).lte(10000), etag: z.string(), size: z.number().int().gte(0).lte(25000000000).optional()}).and(z.record(z.string(), z.unknown()))), expiresAt: z.string()}).and(z.record(z.string(), z.unknown()));

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 a resumable splat upload
 * 
 * POST /v1/splats/uploads
 */
export const createApiV1SplatsUploads = async (args: CreateApiV1SplatsUploadsArgs, options?: CreateApiV1SplatsUploadsOptions) => {
const {baseUrl = "https://playcanvas.com/api/supersplat", fetch: fetchFn = fetch, bearerAuth} = options ?? {}

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

if (args['Idempotency-Key'] != null) headers.set("Idempotency-Key", String(args['Idempotency-Key']))
if (bearerAuth !== undefined) headers.set('authorization', `Bearer ${bearerAuth}`)

const url = `${baseUrl.replace(/\/+$/, '')}/v1/splats/uploads${query.size > 0 ? `?${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(uploadSession, await res.json())
};