import {z} from 'zod'

export type ProcessAuthentication = {identity: string, namespace: 'MSA' | 'MSAINT'};

export type ProcessOpenRequest = {language?: string | undefined, lifecycle?: ('PERMANENT' | 'TEMPORARY') | undefined, skipAuthorization?: boolean | undefined, backUrl?: string | undefined, successUrl?: string | undefined, authentication?: ProcessAuthentication | undefined, scope?: string | undefined, mode?: ('DEFAULT' | 'EMBEDDED') | undefined};

export type CreateApiApiProcessProcessIdOpenPersonIdArgs = {processId: string, personId: string, body: ProcessOpenRequest};

export type CreateApiApiProcessProcessIdOpenPersonIdOptions = {baseUrl?: string | undefined, SwisscomSignOAuth2?: string | undefined, fetch?: typeof fetch | undefined};

export const processOpenResponse = z.object({id: z.string().optional(), url: 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
};

/**
 * Generate participant access URL
 * 
 * POST /api/process/{processId}/open/{personId}
 */
export const createApiApiProcessProcessIdOpenPersonId = async (args: CreateApiApiProcessProcessIdOpenPersonIdArgs, options?: CreateApiApiProcessProcessIdOpenPersonIdOptions) => {
const {baseUrl = "https://sign.swisscom.ch/system", fetch: fetchFn = fetch, SwisscomSignOAuth2} = options ?? {}

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

if (SwisscomSignOAuth2 !== undefined) headers.set('authorization', `Bearer ${SwisscomSignOAuth2}`)

const url = `${baseUrl.replace(/\/+$/, '')}/api/process/${encodeURIComponent(String(args.processId))}/open/${encodeURIComponent(String(args.personId))}${query.size > 0 ? `?${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(processOpenResponse, await res.json())
};