import {z} from 'zod'

export type GetApiV1TokensTokenNameAssetsThumbnailExtArgs = {fit_mode: unknown, height: unknown, width: unknown, time: unknown, ext: 'jpg' | 'png' | 'webp', tokenName: unknown};

export type GetApiV1TokensTokenNameAssetsThumbnailExtOptions = {baseUrl?: string | undefined, fetch?: typeof fetch | undefined};

export const apiErrorEnvelope = z.union([z.object({error: z.literal(true), message: z.union([z.string(), z.array(z.string())]), status: z.number().int()}), z.object({message: z.string(), statusCode: z.number().int()})]);

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
};

/**
 * Get stream thumbnail
 * 
 * GET /v1/tokens/{tokenName}/assets/thumbnail.{ext}
 */
export const getApiV1TokensTokenNameAssetsThumbnailExt = async (args: GetApiV1TokensTokenNameAssetsThumbnailExtArgs, options?: GetApiV1TokensTokenNameAssetsThumbnailExtOptions) => {
const {baseUrl = "https://lpad-backend.stage.defi.ovh.gala.com", fetch: fetchFn = fetch} = options ?? {}

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

if (args.fit_mode != null) query.append("fit_mode", String(args.fit_mode))
if (args.height != null) query.append("height", String(args.height))
if (args.width != null) query.append("width", String(args.width))
if (args.time != null) query.append("time", String(args.time))

const url = `${baseUrl.replace(/\/+$/, '')}/v1/tokens/${encodeURIComponent(String(args.tokenName))}/assets/thumbnail.${encodeURIComponent(String(args.ext))}${query.size > 0 ? `?${query}` : ''}`

const res = await fetchFn(url, {method: "GET", headers})

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

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