import {z} from 'zod'

export type GetApiComfyNodesArgs = {pageSize?: number | undefined, page?: number | undefined, node_id?: string | undefined, node_version?: string | undefined, comfy_node_name?: string | undefined};

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

export const comfyNodePolicy = z.enum(["ComfyNodePolicyActive", "ComfyNodePolicyBanned", "ComfyNodePolicyLocalOnly"]);

export const comfyNode = z.object({category: z.string().optional(), comfy_node_name: z.string().optional(), deprecated: z.boolean().optional(), description: z.string().optional(), experimental: z.boolean().optional(), function: z.string().optional(), input_types: z.string().optional(), output_is_list: z.array(z.boolean()).optional(), policy: comfyNodePolicy.optional(), return_names: z.string().optional(), return_types: z.string().optional()});

export const getApiComfyNodesResponse = z.object({comfy_nodes: z.array(comfyNode).optional(), total: z.number().int().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 all comfy-nodes
 * 
 * GET /comfy-nodes
 */
export const getApiComfyNodes = async (args: GetApiComfyNodesArgs, options?: GetApiComfyNodesOptions) => {
const {baseUrl = "https://api.comfy.org", fetch: fetchFn = fetch} = options ?? {}

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

if (args.pageSize != null) query.append("pageSize", String(args.pageSize))
if (args.page != null) query.append("page", String(args.page))
if (args.node_id != null) query.append("node_id", String(args.node_id))
if (args.node_version != null) query.append("node_version", String(args.node_version))
if (args.comfy_node_name != null) query.append("comfy_node_name", String(args.comfy_node_name))

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