import {z} from 'zod'

export type CreateApiSunoV1SampleArgs = {body: {music_id: string, chop_sample_start_s: number, chop_sample_end_s: number, custom: boolean, instrumental: boolean, mv: 'chirp-v5-5' | 'chirp-v5' | 'chirp-v4-5+' | 'chirp-v4-5' | 'chirp-v4-5-all' | 'chirp-v4' | 'chirp-v3-5' | 'chirp-v3-0', gpt_description_prompt?: string | undefined, prompt?: string | undefined, title?: string | undefined, tags?: string | undefined, negative_tags?: string | undefined, style_weight?: number | undefined, weirdness_constraint?: number | undefined, audio_weight?: number | undefined, auto_lyrics?: boolean | undefined, vocal_gender?: ('Male' | 'Female') | undefined, isStorage?: boolean | undefined, hookUrl?: string | undefined}};

export type CreateApiSunoV1SampleOptions = {baseUrl?: string | undefined, CustomApiKey?: string | undefined, fetch?: typeof fetch | undefined};

export const createApiSunoV1SampleResponse = z.object({status: z.string(), message: z.string(), data: z.object({})});

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
};

/**
 * POST /suno/v1/sample
 */
export const createApiSunoV1Sample = async (args: CreateApiSunoV1SampleArgs, options?: CreateApiSunoV1SampleOptions) => {
const {baseUrl = "https://api.ttapi.io", fetch: fetchFn = fetch, CustomApiKey} = options ?? {}

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

if (CustomApiKey !== undefined) headers.set("TT-API-KEY", CustomApiKey)

const url = `${baseUrl.replace(/\/+$/, '')}/suno/v1/sample${query.size > 0 ? `?${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(createApiSunoV1SampleResponse, await res.json())
};