import {z} from 'zod'

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

export const authRolePermissionValue = z.enum(["read", "write", "manage"]).nullable();

export const authRolePermissions = z.object({channel: authRolePermissionValue.optional(), "channel.default-channel": authRolePermissionValue.optional(), "channel.group": authRolePermissionValue.optional(), "channel.mirror": authRolePermissionValue.optional(), "channel.routes-filtered": authRolePermissionValue.optional(), subchannel: authRolePermissionValue.optional(), "subchannel.group": authRolePermissionValue.optional(), "subchannel.mirror": authRolePermissionValue.optional(), artifact: authRolePermissionValue.optional(), cve: authRolePermissionValue.optional(), role: authRolePermissionValue.optional(), system: authRolePermissionValue.optional(), "system.license": authRolePermissionValue.optional(), "system.settings": authRolePermissionValue.optional(), "user.token": authRolePermissionValue.optional(), mirror: authRolePermissionValue.optional(), "audit-logs": authRolePermissionValue.optional(), "cve-notifications": authRolePermissionValue.optional()});

export const authRole = z.object({id: z.string().optional(), name: z.string(), persistent: z.boolean().optional(), permissions: authRolePermissions});

export const getApiRolesResponse = z.object({total_count: z.number().optional(), items: z.array(authRole).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 the list of available roles
 * 
 * GET /roles
 */
export const getApiRoles = async (options?: GetApiRolesOptions) => {
const {baseUrl = "https://api.anaconda.cloud/api", fetch: fetchFn = fetch, jwt} = options ?? {}

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

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

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