import {z} from 'zod'

export type GetApiV2AudioArgs = {id: Array<string>, view?: ('minimal' | 'full') | undefined, search_id?: string | undefined};

export type GetApiV2AudioOptions = {baseUrl?: string | undefined, basic?: {username: string, password: string} | undefined, fetch?: typeof fetch | undefined};

export const getApiV2AudioResponse = z.object({data: z.array(z.object({added_date: z.string().optional(), affiliate_url: z.string().optional(), album: z.object({id: z.string(), title: z.string()}).optional(), artists: z.array(z.object({name: z.string()})).optional(), assets: z.object({album_art: z.object({file_size: z.number().int().optional(), url: z.string().optional()}).optional(), clean_audio: z.object({file_size: z.number().int().optional(), url: z.string().optional()}).optional(), original_audio: z.object({file_size: z.number().int().optional(), url: z.string().optional()}).optional(), preview_mp3: z.object({file_size: z.number().int().optional(), url: z.string().optional()}).optional(), preview_ogg: z.object({file_size: z.number().int().optional(), url: z.string().optional()}).optional(), waveform: z.object({file_size: z.number().int().optional(), url: z.string().optional()}).optional(), waveform_json: z.object({file_size: z.number().int().optional(), url: z.string().optional()}).optional(), shorts_loops_stems: z.object({shorts: z.unknown(), loops: z.unknown(), stems: z.unknown()}).optional()}).optional(), bpm: z.number().int().optional(), contributor: z.object({id: z.string(), name: z.string().optional()}), deleted_time: z.string().optional(), description: z.string().optional(), duration: z.number().optional(), genres: z.array(z.string()).optional(), id: z.string(), instruments: z.array(z.string()).optional(), is_adult: z.boolean().optional(), is_instrumental: z.boolean().optional(), isrc: z.string().optional(), keywords: z.array(z.string()).optional(), language: z.string().optional(), lyrics: z.string().optional(), media_type: z.string(), model_releases: z.array(z.object({id: z.string().optional()})).optional(), moods: z.array(z.string()).optional(), published_time: z.string().optional(), recording_version: z.string().optional(), releases: z.array(z.string()).optional(), similar_artists: z.array(z.object({name: z.string()})).optional(), submitted_time: z.string().optional(), title: z.string().optional(), updated_time: z.string().optional(), vocal_description: z.string().optional(), url: z.string().optional()})).optional(), errors: z.array(z.object({statusCode: z.number().optional(), code: z.string().optional(), data: z.string().optional(), items: z.array(z.object({})).optional(), message: z.string(), path: z.string().optional()})).optional(), message: z.string().optional(), page: z.number().int().optional(), per_page: z.number().int().optional(), total_count: z.number().int().optional()});

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
};

/**
 * List audio tracks
 * 
 * GET /v2/audio
 * 
 * Also accepts auth: customer_accessCode
 */
export const getApiV2Audio = async (args: GetApiV2AudioArgs, options?: GetApiV2AudioOptions) => {
const {baseUrl = "https://api.shutterstock.com", fetch: fetchFn = fetch, basic} = options ?? {}

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

for (const item of args.id ?? []) query.append("id", String(item))
if (args.view != null) query.append("view", String(args.view))
if (args.search_id != null) query.append("search_id", String(args.search_id))
if (basic !== undefined) headers.set('authorization', `Basic ${btoa(`${basic.username}:${basic.password}`)}`)

const url = `${baseUrl.replace(/\/+$/, '')}/v2/audio${query.size > 0 ? `?${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(getApiV2AudioResponse, await res.json())
};