import {z} from 'zod'

export type GetApiRequirementsArgs = {category?: ('company_provided_documents' | 'required_tax_id' | 'failed_payroll_debit') | undefined, requirement?: ('signatory_identity_verification' | 'signatory_authorization_verification' | 'company_identity_verification' | 'federal_ein_verification' | 'company_financial_verification' | 'state_registration_verification' | 'bank_account_verification' | 'tax_parameters_fed' | 'tax_parameters_al' | 'resolve_funding_failure') | undefined, status?: ('open' | 'pending' | 'closed' | 'failed' | 'resolved') | undefined, company?: string | undefined};

export type GetApiRequirementsOptions = {baseUrl?: string | undefined, sec0?: string | undefined, fetch?: typeof fetch | undefined};

export const getApiRequirementsResponse = z.object({next: z.unknown(), previous: z.unknown(), results: z.array(z.object({id: z.string().optional(), company: z.string().optional(), requirement: z.string().optional(), categories: z.array(z.string()).optional(), status: z.string().optional(), errors: z.array(z.unknown()).optional(), guidance: z.object({document_options: z.array(z.object({name: z.string().optional(), label: z.string().optional()})).optional(), funding_detail: z.unknown()}).optional()})).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
};

/**
 * List requirements
 * 
 * GET /requirements
 */
export const getApiRequirements = async (args: GetApiRequirementsArgs, options?: GetApiRequirementsOptions) => {
const {baseUrl = "https://sandbox.checkhq.com", fetch: fetchFn = fetch, sec0} = options ?? {}

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

if (args.category != null) query.append("category", String(args.category))
if (args.requirement != null) query.append("requirement", String(args.requirement))
if (args.status != null) query.append("status", String(args.status))
if (args.company != null) query.append("company", String(args.company))
if (sec0 !== undefined) headers.set("Authorization", sec0)

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