import {z} from 'zod'

export type PostPassthroughToolApiParameterTool = string;

export type PostPassthroughToolApiParameterApi = string;

export type PostPassthroughToolApiRequestBody = {method: 'GET' | 'POST' | 'DELETE' | 'PUT' | 'PATCH', path: string, headers?: {[key: string]: string} | undefined, params?: {[key: string]: string} | undefined, data: unknown, response_as_base64?: boolean | undefined, multipart_form_data?: (Array<{name: string, value: string | {name: string, content_type?: string | undefined, data_url?: string | undefined, data?: string | undefined}}>) | undefined, api_options?: {[key: string]: string} | undefined};

export type CreateApiPassthroughToolApiArgs = {'X-Integration-Id': string, tool: PostPassthroughToolApiParameterTool, api: PostPassthroughToolApiParameterApi, body: PostPassthroughToolApiRequestBody};

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

export const postPassthroughToolApiPositiveResponse = z.object({status: z.literal("success"), data: z.object({url: z.string(), status: z.number().int(), headers: z.record(z.string(), z.union([z.string(), z.array(z.string())])), data: z.unknown()}), warnings: z.array(z.object({message: z.string()}))});

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
};

/**
 * Send passthrough request
 * 
 * POST /passthrough/{tool}/{api}
 */
export const createApiPassthroughToolApi = async (args: CreateApiPassthroughToolApiArgs, options?: CreateApiPassthroughToolApiOptions) => {
const {baseUrl = "https://api.kombo.dev/v1", fetch: fetchFn = fetch, ApiKey} = options ?? {}

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

if (args['X-Integration-Id'] != null) headers.set("X-Integration-Id", String(args['X-Integration-Id']))
if (ApiKey !== undefined) headers.set('authorization', `Bearer ${ApiKey}`)

const url = `${baseUrl.replace(/\/+$/, '')}/passthrough/${encodeURIComponent(String(args.tool))}/${encodeURIComponent(String(args.api))}${query.size > 0 ? `?${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(postPassthroughToolApiPositiveResponse, await res.json())
};