import {z} from 'zod'

export type AnalysisFilters = {tempo_min?: (number | null) | undefined, tempo_max?: (number | null) | undefined, energy_min?: (number | null) | undefined, energy_max?: (number | null) | undefined, danceability_min?: (number | null) | undefined, danceability_max?: (number | null) | undefined, valence_min?: (number | null) | undefined, valence_max?: (number | null) | undefined, instrumentalness_min?: (number | null) | undefined, instrumentalness_max?: (number | null) | undefined, acousticness_min?: (number | null) | undefined, acousticness_max?: (number | null) | undefined, popularity_min?: (number | null) | undefined, popularity_max?: (number | null) | undefined, key?: (number | null) | undefined, mode?: (number | null) | undefined};

export type CreateApiApiV1TracksSearchArgs = {genre?: (string | null) | undefined, limit?: number | undefined, offset?: number | undefined, 'x-api-key'?: string | undefined, body: AnalysisFilters | null};

export type CreateApiApiV1TracksSearchOptions = {baseUrl: string, fetch?: typeof fetch | undefined};

export const trackIDList = z.object({track_ids: z.array(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 Tracks
 * 
 * POST /api/v1/tracks/search
 */
export const createApiApiV1TracksSearch = async (args: CreateApiApiV1TracksSearchArgs, options: CreateApiApiV1TracksSearchOptions) => {
const {baseUrl, fetch: fetchFn = fetch} = options ?? {}

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

if (args.genre != null) query.append("genre", String(args.genre))
if (args.limit != null) query.append("limit", String(args.limit))
if (args.offset != null) query.append("offset", String(args.offset))
if (args['x-api-key'] != null) headers.set("x-api-key", String(args['x-api-key']))

const url = `${baseUrl.replace(/\/+$/, '')}/api/v1/tracks/search${query.size > 0 ? `?${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(trackIDList, await res.json())
};