import {z} from 'zod'

export type CreateApiRestGlossaryMatchArgs = {category?: (Array<'GENERAL' | 'SOLID_TUMOR' | 'HEMATO' | 'NON_NEOPLASTIC' | 'SEERRX' | 'SEER_TRAINING' | 'LYMPH_NODES' | 'STAGING'>) | undefined, wholeWordsOnly?: boolean | undefined, body: BodyInit};

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

export const apiKeywordMatch = z.object({id: z.string().optional(), name: z.string().optional(), keyword: z.string().optional(), category: z.array(z.enum(["GENERAL", "SOLID_TUMOR", "HEMATO", "NON_NEOPLASTIC", "SEERRX", "SEER_TRAINING", "LYMPH_NODES", "STAGING"])).optional(), start: z.number().int().optional(), end: z.number().int().optional()});

export const createApiRestGlossaryMatchResponse = z.array(apiKeywordMatch);

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
};

/**
 * Match supplied text against the glossary
 * 
 * POST /rest/glossary/match
 */
export const createApiRestGlossaryMatch = async (args: CreateApiRestGlossaryMatchArgs, options?: CreateApiRestGlossaryMatchOptions) => {
const {baseUrl = "https://api.seer.cancer.gov", fetch: fetchFn = fetch, apiKeyScheme} = options ?? {}

const query = new URLSearchParams()
const headers = new Headers()
headers.set('content-type', "text/plain")
headers.set('accept', "application/json")

for (const item of args.category ?? []) query.append("category", String(item))
if (args.wholeWordsOnly != null) query.append("wholeWordsOnly", String(args.wholeWordsOnly))
if (apiKeyScheme !== undefined) headers.set("X-SEERAPI-Key", apiKeyScheme)

const url = `${baseUrl.replace(/\/+$/, '')}/rest/glossary/match${query.size > 0 ? `?${query}` : ''}`

const res = await fetchFn(url, {method: "POST", headers, body: args.body})

if (!res.ok) throw new Error(`Request failed with status ${res.status}`, {cause: {status: res.status, body: await res.text()}})

return validateResponse(createApiRestGlossaryMatchResponse, await res.json())
};