import {z} from 'zod'

export type GetApiV2AudioSearchArgs = {artists?: Array<string> | undefined, bpm?: number | undefined, bpm_from?: number | undefined, bpm_to?: number | undefined, duration?: number | undefined, duration_from?: number | undefined, duration_to?: number | undefined, genre?: Array<string> | undefined, is_instrumental?: boolean | undefined, is_pro_free?: (boolean | null) | undefined, instruments?: Array<string> | undefined, moods?: Array<string> | undefined, page?: number | undefined, per_page?: number | undefined, query?: string | undefined, sort?: ('score' | 'ranking_all' | 'artist' | 'title' | 'bpm' | 'freshness' | 'duration') | undefined, sort_order?: ('asc' | 'desc') | undefined, vocal_description?: string | undefined, view?: ('minimal' | 'full') | undefined, fields?: string | undefined, library?: ('shutterstock' | 'premier') | undefined, language?: string | undefined};

export type GetApiV2AudioSearchOptions = {baseUrl?: string | undefined, basic?: {username: string, password: string} | undefined, fetch?: typeof fetch | undefined};

export const getApiV2AudioSearchResponse = 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()})), message: z.string().optional(), page: z.number().int().optional(), per_page: z.number().int().optional(), total_count: z.number().int(), search_id: 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
};

/**
 * Search for tracks
 * 
 * GET /v2/audio/search
 * 
 * Also accepts auth: customer_accessCode
 */
export const getApiV2AudioSearch = async (args: GetApiV2AudioSearchArgs, options?: GetApiV2AudioSearchOptions) => {
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.artists ?? []) query.append("artists", String(item))
if (args.bpm != null) query.append("bpm", String(args.bpm))
if (args.bpm_from != null) query.append("bpm_from", String(args.bpm_from))
if (args.bpm_to != null) query.append("bpm_to", String(args.bpm_to))
if (args.duration != null) query.append("duration", String(args.duration))
if (args.duration_from != null) query.append("duration_from", String(args.duration_from))
if (args.duration_to != null) query.append("duration_to", String(args.duration_to))
for (const item of args.genre ?? []) query.append("genre", String(item))
if (args.is_instrumental != null) query.append("is_instrumental", String(args.is_instrumental))
if (args.is_pro_free != null) query.append("is_pro_free", String(args.is_pro_free))
for (const item of args.instruments ?? []) query.append("instruments", String(item))
for (const item of args.moods ?? []) query.append("moods", String(item))
if (args.page != null) query.append("page", String(args.page))
if (args.per_page != null) query.append("per_page", String(args.per_page))
if (args.query != null) query.append("query", String(args.query))
if (args.sort != null) query.append("sort", String(args.sort))
if (args.sort_order != null) query.append("sort_order", String(args.sort_order))
if (args.vocal_description != null) query.append("vocal_description", String(args.vocal_description))
if (args.view != null) query.append("view", String(args.view))
if (args.fields != null) query.append("fields", String(args.fields))
if (args.library != null) query.append("library", String(args.library))
if (args.language != null) query.append("language", String(args.language))
if (basic !== undefined) headers.set('authorization', `Basic ${btoa(`${basic.username}:${basic.password}`)}`)

const url = `${baseUrl.replace(/\/+$/, '')}/v2/audio/search${query.size > 0 ? `?${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(getApiV2AudioSearchResponse, await res.json())
};