import {z} from 'zod'

export type GetApiRestV1CoreDrugbankCompIdArgs = {comp_id: string};

export type GetApiRestV1CoreDrugbankCompIdOptions = {baseUrl: string, fetch?: typeof fetch | undefined};

export const drugbankContainerIdentifiers = z.object({drugbank_id: z.string()});

export const drugbankInfoDrugProducts = z.object({approved: z.enum(["N", "Y"]).optional(), country: z.enum(["Canada", "EU", "US"]).optional(), ended_marketing_on: z.string().optional(), name: z.string().optional(), source: z.enum(["DPD", "EMA", "FDA NDC"]).optional(), started_marketing_on: z.string().optional()});

export const drugbankInfo = z.object({affected_organisms: z.array(z.string()).optional(), atc_codes: z.array(z.string()).optional(), brand_names: z.array(z.string()).optional(), cas_number: z.string().optional(), description: z.string().optional(), drug_categories: z.array(z.string()).optional(), drug_groups: z.array(z.enum(["approved", "experimental", "illicit", "investigational", "nutraceutical", "vet_approved", "withdrawn"])).optional(), drugbank_id: z.string(), indication: z.string().optional(), mechanism_of_action: z.string().optional(), name: z.string().optional(), pharmacology: z.string().optional(), synonyms: z.array(z.string()).optional(), drug_products: z.array(drugbankInfoDrugProducts).optional()});

export const drugbankTarget = z.object({interaction_type: z.string().optional(), name: z.string().optional(), ordinal: z.number().int(), organism_common_name: z.string().optional(), reference_database_accession_code: z.string().optional(), reference_database_name: z.literal("UniProt").optional(), seq_one_letter_code: z.string().optional(), target_actions: z.array(z.string()).optional()});

export const coreDrugbank = z.object({drugbank_container_identifiers: drugbankContainerIdentifiers.optional(), drugbank_info: drugbankInfo.optional(), drugbank_target: z.array(drugbankTarget).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 DrugBank annotations (integrated from DrugBank resource) for a given chemical component (identified by CHEM COMP ID) .
 * 
 * GET /rest/v1/core/drugbank/{comp_id}
 */
export const getApiRestV1CoreDrugbankCompId = async (args: GetApiRestV1CoreDrugbankCompIdArgs, options: GetApiRestV1CoreDrugbankCompIdOptions) => {
const {baseUrl, fetch: fetchFn = fetch} = options ?? {}

const query = new URLSearchParams()
const headers = new Headers()
headers.set('accept', "application/json;charset=utf-8")

const url = `${baseUrl.replace(/\/+$/, '')}/rest/v1/core/drugbank/${encodeURIComponent(String(args.comp_id))}${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(coreDrugbank, await res.json())
};