import {z} from 'zod'

export type GetApiLicensesPoolsArgs = {owner?: Array<string> | undefined};

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

export const accountPublic = z.object({id: z.string(), account_type: z.string(), name: z.string(), display_name: z.string().optional(), description: z.string().optional(), picture_url: z.string().optional()});

export const team = z.object({name: z.string(), description: z.string().optional(), id: z.string(), slug: z.string(), member_count: z.number().int().optional()});

export const permission = z.enum(["admin", "write", "read"]);

export const accessor = z.object({subject: z.union([accountPublic, team]), permission: permission});

export const userPermission = z.object({admin: z.boolean().optional(), write: z.boolean().optional(), read: z.boolean().optional()});

export const licensePoolPublic = z.object({id: z.string(), license_id: z.string(), owner: accountPublic, accessors: z.array(accessor).optional(), permissions: userPermission, product: z.string(), description: z.string().optional(), total_activations: z.number().int(), allowed_activations: z.number().int()});

export const licensePoolList = z.object({resources: z.array(licensePoolPublic)});

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 license pools available to authenticated user
 * 
 * GET /licenses/pools
 * 
 * Also accepts auth: APIKeyAuth
 */
export const getApiLicensesPools = async (args: GetApiLicensesPoolsArgs, options: GetApiLicensesPoolsOptions) => {
const {baseUrl, fetch: fetchFn = fetch, JWTAuth} = options ?? {}

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

for (const item of args.owner ?? []) query.append("owner", String(item))
if (JWTAuth !== undefined) headers.set('authorization', `Bearer ${JWTAuth}`)

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