import {z} from 'zod'

export type GetApiCounterpartiesArgs = {limit?: number | undefined, cursor?: string | undefined, query?: string | undefined, status?: ('active' | 'archived') | undefined};

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

export const subject = z.object({name: z.string().min(2).max(300), entityType: z.enum(["person", "organization", "vessel", "aircraft", "other"]).optional(), identifiers: z.array(z.object({type: z.string().min(1).max(80), value: z.string().min(1).max(160), issuer: z.string().min(1).max(100).optional()})).optional(), birthDate: z.union([z.string(), z.string()]).optional(), country: z.string().min(2).max(100).optional()});

export const counterparty = z.object({id: z.string(), environment: z.enum(["sandbox", "production"]), label: z.string(), externalId: z.string().nullable(), relationship: z.enum(["customer", "vendor", "employee", "other"]), subject: subject, tags: z.array(z.string()), status: z.enum(["active", "archived"]), revision: z.number().int().gte(0), createdAt: z.string(), updatedAt: z.string()});

export const counterpartyPage = z.object({items: z.array(counterparty), nextCursor: z.string().nullable()});

export const getApiCounterpartiesResponse = z.object({data: counterpartyPage});

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
};

/**
 * List persistent customer and vendor records
 * 
 * GET /counterparties
 */
export const getApiCounterparties = async (args: GetApiCounterpartiesArgs, options: GetApiCounterpartiesOptions) => {
const {baseUrl, fetch: fetchFn = fetch, bearerAuth} = options ?? {}

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

if (args.limit != null) query.append("limit", String(args.limit))
if (args.cursor != null) query.append("cursor", String(args.cursor))
if (args.query != null) query.append("query", String(args.query))
if (args.status != null) query.append("status", String(args.status))
if (bearerAuth !== undefined) headers.set('authorization', `Bearer ${bearerAuth}`)

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