import {z} from 'zod'

export type CreateApiCallsArgs = {body: {meta?: ({name: string, tags?: Array<string> | undefined, description?: string | undefined}) | undefined, request?: ({method: string, url: string, parameters?: Array<{key: string, value: string}> | undefined, headers?: Array<{key: string, value: string}> | undefined, body?: string | undefined, auth_id?: string | undefined, token_id?: string | undefined}) | undefined}};

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

export const createApiCallsResponse = z.object({meta: z.object({domain: z.string().optional(), description: z.unknown(), created: z.string().optional(), tags: z.array(z.unknown()).optional(), accept: z.unknown(), last_update: z.string().optional(), content_type: z.unknown(), owner: z.string().optional(), name: z.string().optional()}).optional(), request: z.object({body: z.unknown(), parameters: z.array(z.unknown()).optional(), url: z.string().optional(), auth_id: z.unknown(), headers: z.array(z.unknown()).optional(), token_id: z.unknown(), method: z.string().optional()}).optional(), id: 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
};

/**
 * Create a New API Call
 * 
 * POST /calls/
 */
export const createApiCalls = async (args: CreateApiCallsArgs, options?: CreateApiCallsOptions) => {
const {baseUrl = "https://client.apimetrics.io/api/2", fetch: fetchFn = fetch, ApiKeyAuth} = options ?? {}

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

if (ApiKeyAuth !== undefined) headers.set("Authorization", ApiKeyAuth)

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