import {z} from 'zod'

export type GetApiV1KongAdminRoutesOptions = {baseUrl?: string | undefined, fetch?: typeof fetch | undefined};

export const clientCertificate = z.object({id: z.string().optional()});

export const service = z.object({id: z.string().optional(), name: z.string().optional(), retries: z.number().int().optional(), protocol: z.string().optional(), host: z.string().optional(), port: z.number().int().optional(), path: z.string().optional(), tags: z.array(z.string()).optional(), enabled: z.boolean().optional(), created_at: z.number().int().optional(), updated_at: z.number().int().optional(), connect_timeout: z.number().int().optional(), write_timeout: z.number().int().optional(), read_timeout: z.number().int().optional(), client_certificate: clientCertificate.optional(), tls_verify: z.boolean().optional(), tls_verify_depth: z.object({}).optional(), ca_certificates: z.array(z.string()).optional()});

export const route = z.object({id: z.string().optional(), name: z.string().optional(), protocols: z.array(z.string()).optional(), methods: z.array(z.string()).optional(), hosts: z.array(z.string()).optional(), paths: z.array(z.string()).optional(), headers: z.record(z.string(), z.array(z.string())).optional(), tags: z.array(z.string()).optional(), service: service.optional(), snis: z.array(z.string()).optional(), sources: z.array(z.record(z.string(), z.object({}))).optional(), destinations: z.array(z.record(z.string(), z.object({}))).optional(), regex_priority: z.number().int().optional(), strip_path: z.boolean().optional(), preserve_host: z.boolean().optional(), created_at: z.number().int().optional(), updated_at: z.number().int().optional(), response_buffering: z.boolean().optional(), request_buffering: z.boolean().optional(), https_redirect_status_code: z.number().int().optional(), path_handling: z.string().optional()});

export const routeListResponse = z.object({data: z.array(route).optional(), next: z.string().optional(), offset: 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 all routes
 * 
 * GET /v1/kong-admin/routes
 */
export const getApiV1KongAdminRoutes = async (options?: GetApiV1KongAdminRoutesOptions) => {
const {baseUrl = "http://api.floik.com", fetch: fetchFn = fetch} = options ?? {}

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

const url = `${baseUrl.replace(/\/+$/, '')}/v1/kong-admin/routes${query.size > 0 ? `?${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(routeListResponse, await res.json())
};