import {z} from 'zod'

export type CreateApiUserSamlLoginArgs = {issuer: string, samlResponse: string, source?: string | undefined};

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

export const userResponsePreferences = z.object({dateFormat: z.string().min(1).max(2147483647).optional(), timeZone: z.string().min(1).max(2147483647).optional(), currency: z.enum(["AUD", "BRL", "CAD", "EUR", "GBP", "HKD", "IDR", "INR", "JPY", "NZD", "SGD", "USD", "ZAR", "CNY", "VND", "MYR", "CHF"]).optional(), locale: z.enum(["en_US", "en_ES", "fr_CA", "zh_CN"]).optional()});

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

export const name = z.object({middle: z.string().optional(), last: z.string().optional(), fullName: z.string().optional(), first: z.string().optional()});

export const user = z.object({preferences: userResponsePreferences.optional(), session: userSession.optional(), loginName: z.string().optional(), name: name.optional(), id: z.number().int().optional(), roleType: z.literal("INDIVIDUAL").optional()});

export const userResponse = z.object({user: user.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
};

/**
 * Saml Login
 * 
 * POST /user/samlLogin
 */
export const createApiUserSamlLogin = async (args: CreateApiUserSamlLoginArgs, options: CreateApiUserSamlLoginOptions) => {
const {baseUrl, fetch: fetchFn = fetch} = options ?? {}

const query = new URLSearchParams()
const headers = new Headers()
headers.set('accept', "application/json;charset=UTF-8")

if (args.issuer != null) query.append("issuer", String(args.issuer))
if (args.samlResponse != null) query.append("samlResponse", String(args.samlResponse))
if (args.source != null) query.append("source", String(args.source))

const url = `${baseUrl.replace(/\/+$/, '')}/user/samlLogin${query.size > 0 ? `?${query}` : ''}`

const res = await fetchFn(url, {method: "POST", headers})

if (!res.ok) throw new Error(`Request failed with status ${res.status}`, {cause: {status: res.status, body: await res.text()}})

return validateResponse(userResponse, await res.json())
};