import {z} from 'zod'

export type GetApiParcellationsArgs = {page?: number | undefined, size?: number | undefined};

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

export const ebrainsDsUrl = z.object({"@type": z.string(), url: z.string()});

export const ebrainsDsPerson = z.object({"@type": z.string(), "@id": z.string(), "schema.org/shortName": z.string(), identifier: z.string(), shortName: z.string(), name: z.string()});

export const ebrainsDatasetModel = z.object({"@type": z.string(), "@id": z.string(), name: z.string(), urls: z.array(ebrainsDsUrl), description: z.string().optional(), contributors: z.array(ebrainsDsPerson), ebrains_page: z.string().optional(), custodians: z.array(ebrainsDsPerson)});

export const vocabModel = z.object({"@vocab": z.string()});

export const copyright = z.object({"@context": vocabModel.optional(), holder: z.array(z.unknown()), year: z.string()});

export const hasTerminologyVersion = z.object({"@context": vocabModel.optional(), definedIn: z.array(z.unknown()).optional(), hasEntityVersion: z.array(z.unknown()), ontologyIdentifier: z.array(z.string()).optional()});

export const otherContribution = z.object({"@context": vocabModel.optional(), contributionType: z.array(z.unknown()), contributor: z.unknown()});

export const brainAtlasVersionModel = z.object({"@type": z.string(), "@context": vocabModel.optional(), "@id": z.string(), abbreviation: z.string().optional(), accessibility: z.object({}), atlasType: z.object({}).optional(), author: z.array(z.unknown()).optional(), coordinateSpace: z.object({}), copyright: copyright.optional(), custodian: z.array(z.unknown()).optional(), description: z.string().max(2000).optional(), digitalIdentifier: z.object({}).optional(), fullDocumentation: z.object({}), fullName: z.string().optional(), funding: z.array(z.unknown()).optional(), hasTerminologyVersion: hasTerminologyVersion, homepage: z.object({}).optional(), howToCite: z.string().optional(), isAlternativeVersionOf: z.array(z.unknown()).optional(), isNewVersionOf: z.object({}).optional(), keyword: z.array(z.unknown()).optional(), license: z.object({}), ontologyIdentifier: z.array(z.string()).optional(), otherContribution: otherContribution.optional(), relatedPublication: z.array(z.unknown()).optional(), releaseDate: z.string(), repository: z.object({}).optional(), shortName: z.string().max(30), supportChannel: z.array(z.string()).optional(), versionIdentifier: z.string(), versionInnovation: z.string()});

export const siibraAtIdModel = z.object({"@id": z.string()});

export const siibraParcellationVersionModel = z.object({"@type": z.string(), name: z.string(), deprecated: z.boolean().optional(), collection: z.string().optional(), prev: siibraAtIdModel.optional(), next: siibraAtIdModel.optional()});

export const siibraParcellationModel = z.object({"@type": z.string(), "@id": z.string(), name: z.string(), modality: z.string().optional(), datasets: z.array(ebrainsDatasetModel), brainAtlasVersions: z.array(brainAtlasVersionModel), version: siibraParcellationVersionModel.optional(), shortname: z.string().optional()});

export const pageSiibraParcellationModel = z.object({items: z.array(siibraParcellationModel), total: z.number().int().gte(0).optional(), page: z.number().int().gte(1).optional(), size: z.number().int().gte(1).optional(), pages: z.number().int().gte(0).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 All Parcellations
 * 
 * GET /parcellations
 */
export const getApiParcellations = async (args: GetApiParcellationsArgs, options: GetApiParcellationsOptions) => {
const {baseUrl, fetch: fetchFn = fetch} = options ?? {}

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

if (args.page != null) query.append("page", String(args.page))
if (args.size != null) query.append("size", String(args.size))

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