import {z} from 'zod'

export type GetApiApiV1SettingsOptions = {baseUrl: string, fetch?: typeof fetch | undefined};

export const clusterConnector = z.object({name: z.string().optional(), type: z.string().optional()});

export const clusterDexConfig = z.object({connectors: z.array(clusterConnector).optional()});

export const clusterGoogleAnalyticsConfig = z.object({anonymizeUsers: z.boolean().optional(), trackingID: z.string().optional()});

export const clusterHelp = z.object({chatText: z.string().optional(), chatUrl: z.string().optional()});

export const v1alpha1KustomizeOptions = z.object({buildOptions: z.string().optional()});

export const clusterOIDCConfig = z.object({cliClientID: z.string().optional(), clientID: z.string().optional(), issuer: z.string().optional(), name: z.string().optional(), scopes: z.array(z.string()).optional()});

export const v1alpha1ResourceOverride = z.object({actions: z.string().optional(), healthLua: z.string().optional(), ignoreDifferences: z.string().optional()});

export const clusterSettings = z.object({appLabelKey: z.string().optional(), dexConfig: clusterDexConfig.optional(), googleAnalytics: clusterGoogleAnalyticsConfig.optional(), help: clusterHelp.optional(), kustomizeOptions: v1alpha1KustomizeOptions.optional(), oidcConfig: clusterOIDCConfig.optional(), resourceOverrides: z.record(z.string(), v1alpha1ResourceOverride).optional(), statusBadgeEnabled: z.boolean().optional(), url: 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 returns Argo CD settings
 * 
 * GET /api/v1/settings
 */
export const getApiApiV1Settings = async (options: GetApiApiV1SettingsOptions) => {
const {baseUrl, fetch: fetchFn = fetch} = options ?? {}

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

const url = `${baseUrl.replace(/\/+$/, '')}/api/v1/settings${query.size > 0 ? `?${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(clusterSettings, await res.json())
};