import {z} from 'zod'

export type GetApiApiUtilitiesV0ContractInstrumentConfigurationAllOptions = {baseUrl?: string | undefined, fetch?: typeof fetch | undefined};

export const contractMeta = z.object({createdAt: z.string().optional(), contractId: z.string(), templateId: z.string(), synchronizerId: z.string().optional(), domainId: z.string().optional()});

export const instrumentIdentifier = z.object({source: z.string(), id: z.string(), scheme: z.string()});

export const partyCredentialRequirement = z.object({issuer: z.string(), requiredClaims: z.string()});

export const instrumentConfigurationPayload = z.object({operator: z.string(), provider: z.string(), registrar: z.string(), defaultIdentifier: instrumentIdentifier, additionalIdentifiers: z.array(instrumentIdentifier), issuerRequirements: z.array(partyCredentialRequirement), holderRequirements: z.array(partyCredentialRequirement)});

export const instrumentConfiguration = z.object({contract: contractMeta, payload: instrumentConfigurationPayload});

export const getAllInstrumentConfigurationsResponse = z.object({instrumentConfigurations: z.array(instrumentConfiguration)});

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 /api/utilities/v0/contract/instrument-configuration/all
 */
export const getApiApiUtilitiesV0ContractInstrumentConfigurationAll = async (options?: GetApiApiUtilitiesV0ContractInstrumentConfigurationAllOptions) => {
const {baseUrl = "https://api.utilities.digitalasset.com", fetch: fetchFn = fetch} = options ?? {}

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

const url = `${baseUrl.replace(/\/+$/, '')}/api/utilities/v0/contract/instrument-configuration/all${query.size > 0 ? `?${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(getAllInstrumentConfigurationsResponse, await res.json())
};