import {z} from 'zod'

export type GetApiApiPlaylistPlatformIdStatsArgs = {id: string | number, platform: 'spotify' | 'deezer' | 'youtube' | 'soundcloud', since?: string | undefined, until?: string | undefined};

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

export const getApiApiPlaylistPlatformIdStatsResponse = z.object({obj: z.array(z.object({id: z.number().int().gte(0).lte(2147483647).nullable().optional(), value: z.number().int().gte(0), timestp: z.union([z.string(), z.string()]), daily_diff: z.number().int().nullable().optional(), weekly_diff: z.number().int().nullable().optional(), weekly_diff_percent: z.number().nullable().optional(), monthly_diff: z.number().int().nullable().optional(), monthly_diff_percent: z.number().nullable().optional(), interpolated: z.boolean().optional(), extrapolated: z.boolean().optional(), flags: z.boolean().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
};

/**
 * Get Playlist Stats Over Time
 * 
 * GET /api/playlist/{platform}/{id}/stats
 */
export const getApiApiPlaylistPlatformIdStats = async (args: GetApiApiPlaylistPlatformIdStatsArgs, options?: GetApiApiPlaylistPlatformIdStatsOptions) => {
const {baseUrl = "https://api.chartmetric.com", fetch: fetchFn = fetch, BearerAuth} = options ?? {}

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

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

const url = `${baseUrl.replace(/\/+$/, '')}/api/playlist/${encodeURIComponent(String(args.platform))}/${encodeURIComponent(String(args.id))}/stats${query.size > 0 ? `?${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(getApiApiPlaylistPlatformIdStatsResponse, await res.json())
};