import {z} from 'zod'

export type GetApiApiChartsTwitchUsersArgs = {date?: string | undefined, since?: string | undefined, limit?: number | undefined, duration: 'daily' | 'weekly' | 'monthly', type?: ('followers' | 'viewer_hours') | undefined, latest?: boolean | undefined};

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

export const getApiApiChartsTwitchUsersResponse = z.object({obj: z.object({length: z.number().int().nullable().optional(), data: z.array(z.object({rank: z.number().int().nullable().optional(), pre_rank: z.number().int().nullable().optional(), peak_rank: z.number().int().nullable().optional(), peak_date: z.union([z.string(), z.string()]).nullable().optional(), added_at: z.union([z.string(), z.string()]).nullable().optional(), velocity: z.number().nullable().optional(), time_on_chart: z.union([z.string(), z.number()]).nullable().optional(), twitch_user: z.union([z.number().int().gte(0).lte(2147483647), z.string()]).nullable().optional(), followers: z.union([z.number(), z.string()]).nullable().optional(), weekly_followers: z.union([z.number(), z.string()]).nullable().optional(), monthly_followers: z.union([z.number(), z.string()]).nullable().optional(), count: z.union([z.number(), z.string()]).nullable().optional(), weekly_count: z.union([z.number(), z.string()]).nullable().optional(), monthly_count: z.union([z.number(), z.string()]).nullable().optional(), name: z.string().nullable().optional(), image_url: z.string().nullable().optional(), link: z.string().nullable().optional(), cm_artist: z.number().int().gte(0).lte(2147483647).nullable().optional(), rankStats: z.array(z.object({rank: z.number().int().nullable().optional(), followers: z.union([z.number(), z.string()]).nullable().optional(), timestp: z.union([z.string(), z.string()]).nullable().optional()})).nullable().optional()})).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
};

/**
 * Twitch User Charts
 * 
 * GET /api/charts/twitch/users
 */
export const getApiApiChartsTwitchUsers = async (args: GetApiApiChartsTwitchUsersArgs, options?: GetApiApiChartsTwitchUsersOptions) => {
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.date != null) query.append("date", String(args.date))
if (args.since != null) query.append("since", String(args.since))
if (args.limit != null) query.append("limit", String(args.limit))
if (args.duration != null) query.append("duration", String(args.duration))
if (args.type != null) query.append("type", String(args.type))
if (args.latest != null) query.append("latest", String(args.latest))
if (BearerAuth !== undefined) headers.set('authorization', `Bearer ${BearerAuth}`)

const url = `${baseUrl.replace(/\/+$/, '')}/api/charts/twitch/users${query.size > 0 ? `?${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(getApiApiChartsTwitchUsersResponse, await res.json())
};