import {z} from 'zod'

export type GetApiApiTrackIdMilestonesArgs = {id: number, limit?: number | undefined, offset?: number | undefined, 'stars[]'?: Array<number> | undefined, fromDaysAgo?: number | undefined, sortColumn?: ('date' | 'stars') | undefined, sortOrderDesc?: boolean | undefined, 'platforms[]'?: (Array<'amazon' | 'apple_music' | 'beatport' | 'chartmetric' | 'deezer' | 'instagram' | 'itunes' | 'pandora' | 'shazam' | 'soundcloud' | 'spotify' | 'tiktok' | 'youtube'>) | undefined, grouped?: boolean | undefined};

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

export const getApiApiTrackIdMilestonesResponse = z.object({obj: z.object({insights: z.array(z.object({id: z.union([z.number(), z.string()]).optional(), date: z.string().nullable().optional(), summary: z.string().nullable().optional(), artist_name: z.string().nullable().optional(), track_name: z.string().nullable().optional(), platform: z.string().nullable().optional(), stars: z.number().int().nullable().optional()})), count: z.number().int().gte(0).nullable().optional()}).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
};

/**
 * List Milestones for a Track
 * 
 * GET /api/track/{id}/milestones
 */
export const getApiApiTrackIdMilestones = async (args: GetApiApiTrackIdMilestonesArgs, options?: GetApiApiTrackIdMilestonesOptions) => {
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.limit != null) query.append("limit", String(args.limit))
if (args.offset != null) query.append("offset", String(args.offset))
for (const item of args['stars[]'] ?? []) query.append("stars[]", String(item))
if (args.fromDaysAgo != null) query.append("fromDaysAgo", String(args.fromDaysAgo))
if (args.sortColumn != null) query.append("sortColumn", String(args.sortColumn))
if (args.sortOrderDesc != null) query.append("sortOrderDesc", String(args.sortOrderDesc))
for (const item of args['platforms[]'] ?? []) query.append("platforms[]", String(item))
if (args.grouped != null) query.append("grouped", String(args.grouped))
if (BearerAuth !== undefined) headers.set('authorization', `Bearer ${BearerAuth}`)

const url = `${baseUrl.replace(/\/+$/, '')}/api/track/${encodeURIComponent(String(args.id))}/milestones${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(getApiApiTrackIdMilestonesResponse, await res.json())
};