import {z} from 'zod'

export type GetApiRegistryRegistryNameV01XDevToolhivePluginsNamespacePluginNameArgs = {registryName: string, namespace: string, pluginName: string};

export type GetApiRegistryRegistryNameV01XDevToolhivePluginsNamespacePluginNameOptions = {baseUrl: string, fetch?: typeof fetch | undefined};

export const registrySkillIcon = z.object({label: z.string().optional(), size: z.string().optional(), src: z.string().optional(), type: z.string().optional()});

export const registrySkillPackage = z.object({commit: z.string().optional(), digest: z.string().optional(), identifier: z.string().optional(), mediaType: z.string().optional(), ref: z.string().optional(), registryType: z.string().optional(), subfolder: z.string().optional(), url: z.string().optional()});

export const registryVerifiedAttestation = z.object({predicate: z.unknown(), predicate_type: z.string().optional()});

export const registryProvenance = z.object({attestation: registryVerifiedAttestation.optional(), cert_issuer: z.string().optional(), repository_ref: z.string().optional(), repository_uri: z.string().optional(), runner_environment: z.string().optional(), signer_identity: z.string().optional(), sigstore_url: z.string().optional()});

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

export const registryPlugin = z.object({_meta: z.record(z.string(), z.unknown()).optional(), description: z.string().optional(), icons: z.array(registrySkillIcon).optional(), license: z.string().optional(), metadata: z.record(z.string(), z.unknown()).optional(), name: z.string().optional(), namespace: z.string().optional(), packages: z.array(registrySkillPackage).optional(), provenance: registryProvenance.optional(), repository: registrySkillRepository.optional(), status: z.string().optional(), title: z.string().optional(), version: 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
};

/**
 * Get a registry plugin
 * 
 * GET /registry/{registryName}/v0.1/x/dev.toolhive/plugins/{namespace}/{pluginName}
 */
export const getApiRegistryRegistryNameV01XDevToolhivePluginsNamespacePluginName = async (args: GetApiRegistryRegistryNameV01XDevToolhivePluginsNamespacePluginNameArgs, options: GetApiRegistryRegistryNameV01XDevToolhivePluginsNamespacePluginNameOptions) => {
const {baseUrl, fetch: fetchFn = fetch} = options ?? {}

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

const url = `${baseUrl.replace(/\/+$/, '')}/registry/${encodeURIComponent(String(args.registryName))}/v0.1/x/dev.toolhive/plugins/${encodeURIComponent(String(args.namespace))}/${encodeURIComponent(String(args.pluginName))}${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(registryPlugin, await res.json())
};