import {z} from 'zod'

export type GetApiFestivalsArgs = {name?: string | undefined, festivalSeriesName?: string | undefined, perPage?: number | undefined, page?: number | undefined};

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

export const pagination = z.object({page: z.number().int().gte(0).optional(), perPage: z.number().int().gte(1).optional(), totalItems: z.number().int().gte(0).optional(), totalPages: z.number().int().gte(0).optional(), nextPage: z.string().optional(), previousPage: z.string().optional()});

export const request = z.object({endpoint: z.string().optional(), method: z.string().optional(), params: z.array(z.unknown()).optional(), ip: z.union([z.string(), z.string()]).optional(), userAgent: z.string().optional()});

export const getApiFestivalsResponse = z.object({success: z.boolean().optional(), pagination: pagination.optional(), festivalSeries: z.array(z.object({"@type": z.string().optional(), identifier: z.string().optional(), name: z.string().optional(), url: z.string().optional(), image: z.string().optional(), "x-editionCount": z.number().int().optional(), "x-latestYear": z.number().int().optional(), "x-latestCity": z.string().optional(), "x-apiUrl": z.string().optional()})).optional(), request: request.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
};

/**
 * Search Festival Series
 * 
 * GET /festivals
 */
export const getApiFestivals = async (args: GetApiFestivalsArgs, options?: GetApiFestivalsOptions) => {
const {baseUrl = "https://api.data.jambase.com/v3", fetch: fetchFn = fetch, BearerAuth} = options ?? {}

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

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

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