import {z} from 'zod'

export type AbstractFunctionParameter = Record<string, never>;

export type AbstractFunctionRequest = {functionId?: string | undefined, title?: string | undefined, description?: string | undefined, className?: string | undefined, parameters?: {[key: string]: AbstractFunctionParameter} | undefined, exits?: ({TRUE?: string | undefined, FALSE?: string | undefined, VALID?: string | undefined, INVALID?: string | undefined, NEXT?: string | undefined, TERMINATE?: string | undefined, ERROR?: string | undefined}) | undefined};

export type AbstractGlobalParameter = {name?: string | undefined, type: string, constraints?: {[key: string]: string} | undefined};

export type ValidateWorkflowRequest = {initialFunction?: string | undefined, functions?: Array<AbstractFunctionRequest> | undefined, globalParameters?: Array<AbstractGlobalParameter> | undefined};

export type CreateApiOrganizationsOrgIdIntegrationdestinationsWorkflowsValidateArgs = {orgId: string, body: ValidateWorkflowRequest};

export type CreateApiOrganizationsOrgIdIntegrationdestinationsWorkflowsValidateOptions = {baseUrl?: string | undefined, OAuth2?: string | undefined, fetch?: typeof fetch | undefined};

export const validateWorkflowResponse = z.object({validationErrors: z.record(z.string(), z.array(z.string())).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
};

/**
 * Validate Workflow
 * 
 * POST /organizations/{orgId}/integrationdestinations/workflows/validate
 */
export const createApiOrganizationsOrgIdIntegrationdestinationsWorkflowsValidate = async (args: CreateApiOrganizationsOrgIdIntegrationdestinationsWorkflowsValidateArgs, options?: CreateApiOrganizationsOrgIdIntegrationdestinationsWorkflowsValidateOptions) => {
const {baseUrl = "https://api.m3ter.com", fetch: fetchFn = fetch, OAuth2} = options ?? {}

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

if (OAuth2 !== undefined) headers.set('authorization', `Bearer ${OAuth2}`)

const url = `${baseUrl.replace(/\/+$/, '')}/organizations/${encodeURIComponent(String(args.orgId))}/integrationdestinations/workflows/validate${query.size > 0 ? `?${query}` : ''}`

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

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

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