import {z} from 'zod'

export type GetApiTracksTrackIdAccessInfoArgs = {track_id: string, user_id?: string | undefined};

export type GetApiTracksTrackIdAccessInfoOptions = {baseUrl: string, OAuth2?: string | undefined, fetch?: typeof fetch | undefined};

export const access = z.object({stream: z.boolean(), download: z.boolean()});

export const tipGate = z.object({tip_user_id: z.number().int()});

export const followGate = z.object({follow_user_id: z.number().int()});

export const extendedPaymentSplit = z.object({user_id: z.number().int().optional(), percentage: z.number(), eth_wallet: z.string().optional(), payout_wallet: z.string(), amount: z.number().int()});

export const extendedUsdcGate = z.object({price: z.number().int(), splits: z.array(extendedPaymentSplit)});

export const extendedPurchaseGate = z.object({usdc_purchase: extendedUsdcGate});

export const extendedTokenGate = z.object({token_mint: z.string(), token_amount: z.number().int()});

export const tokenGate = z.object({token_gate: extendedTokenGate});

export const extendedAccessGate = z.union([tipGate, followGate, extendedPurchaseGate, tokenGate]);

export const trackAccessInfo = z.object({access: access.optional(), user_id: z.string(), blocknumber: z.number().int(), is_stream_gated: z.boolean().optional(), stream_conditions: extendedAccessGate.optional(), is_download_gated: z.boolean().optional(), download_conditions: extendedAccessGate.optional()});

export const accessInfoResponse = z.object({data: trackAccessInfo.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
};

/**
 * Gets the information necessary to access the track and what access the given user has.
 * 
 * GET /tracks/{track_id}/access-info
 */
export const getApiTracksTrackIdAccessInfo = async (args: GetApiTracksTrackIdAccessInfoArgs, options: GetApiTracksTrackIdAccessInfoOptions) => {
const {baseUrl, fetch: fetchFn = fetch, OAuth2} = options ?? {}

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

if (args.user_id != null) query.append("user_id", String(args.user_id))
if (OAuth2 !== undefined) headers.set('authorization', `Bearer ${OAuth2}`)

const url = `${baseUrl.replace(/\/+$/, '')}/tracks/${encodeURIComponent(String(args.track_id))}/access-info${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(accessInfoResponse, await res.json())
};