import {z} from 'zod'

export type GetApiProjectsProjectIdEnvironmentsEnvironmentIdRoutesArgs = {projectId: string, environmentId: string};

export type GetApiProjectsProjectIdEnvironmentsEnvironmentIdRoutesOptions = {baseUrl?: string | undefined, OAuth2?: string | undefined, fetch?: typeof fetch | undefined};

export const proxyRoute = z.object({id: z.string(), primary: z.boolean().nullable(), production_url: z.string().nullable(), attributes: z.record(z.string(), z.string()), type: z.enum(["proxy", "redirect", "upstream"]), tls: z.object({strict_transport_security: z.object({enabled: z.boolean().nullable(), include_subdomains: z.boolean().nullable(), preload: z.boolean().nullable()}), min_version: z.enum(["TLSv1.0", "TLSv1.1", "TLSv1.2", "TLSv1.3"]).nullable(), client_authentication: z.enum(["request", "require"]).nullable(), client_certificate_authorities: z.array(z.string())}), to: z.string()});

export const redirectRoute = z.object({id: z.string(), primary: z.boolean().nullable(), production_url: z.string().nullable(), attributes: z.record(z.string(), z.string()), type: z.enum(["proxy", "redirect", "upstream"]), tls: z.object({strict_transport_security: z.object({enabled: z.boolean().nullable(), include_subdomains: z.boolean().nullable(), preload: z.boolean().nullable()}), min_version: z.enum(["TLSv1.0", "TLSv1.1", "TLSv1.2", "TLSv1.3"]).nullable(), client_authentication: z.enum(["request", "require"]).nullable(), client_certificate_authorities: z.array(z.string())}), to: z.string(), redirects: z.object({expires: z.string(), paths: z.record(z.string(), z.object({regexp: z.boolean(), to: z.string(), prefix: z.boolean().nullable(), append_suffix: z.boolean().nullable(), code: z.union([z.literal(301), z.literal(302), z.literal(307), z.literal(308)]), expires: z.string().nullable()}))})});

export const upstreamRoute = z.object({id: z.string(), primary: z.boolean().nullable(), production_url: z.string().nullable(), attributes: z.record(z.string(), z.string()), type: z.enum(["proxy", "redirect", "upstream"]), tls: z.object({strict_transport_security: z.object({enabled: z.boolean().nullable(), include_subdomains: z.boolean().nullable(), preload: z.boolean().nullable()}), min_version: z.enum(["TLSv1.0", "TLSv1.1", "TLSv1.2", "TLSv1.3"]).nullable(), client_authentication: z.enum(["request", "require"]).nullable(), client_certificate_authorities: z.array(z.string())}), cache: z.object({enabled: z.boolean(), default_ttl: z.number().int(), cookies: z.array(z.string()), headers: z.array(z.string())}), ssi: z.object({enabled: z.boolean()}), upstream: z.string(), redirects: z.object({expires: z.string(), paths: z.record(z.string(), z.object({regexp: z.boolean(), to: z.string(), prefix: z.boolean().nullable(), append_suffix: z.boolean().nullable(), code: z.union([z.literal(301), z.literal(302), z.literal(307), z.literal(308)]), expires: z.string().nullable()}))}), sticky: z.object({enabled: z.boolean()})});

export const route = z.union([proxyRoute, redirectRoute, upstreamRoute]);

export const routeCollection = z.array(route);

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 list of routes
 * 
 * GET /projects/{projectId}/environments/{environmentId}/routes
 */
export const getApiProjectsProjectIdEnvironmentsEnvironmentIdRoutes = async (args: GetApiProjectsProjectIdEnvironmentsEnvironmentIdRoutesArgs, options?: GetApiProjectsProjectIdEnvironmentsEnvironmentIdRoutesOptions) => {
const {baseUrl = "https://api.upsun.com", fetch: fetchFn = fetch, OAuth2} = options ?? {}

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

if (OAuth2 !== undefined) headers.set('authorization', `Bearer ${OAuth2}`)

const url = `${baseUrl.replace(/\/+$/, '')}/projects/${encodeURIComponent(String(args.projectId))}/environments/${encodeURIComponent(String(args.environmentId))}/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(routeCollection, await res.json())
};