import {z} from 'zod'

export type BrowserInformation = {color_depth?: (number | null) | undefined, java_enabled?: (boolean | null) | undefined, java_script_enabled?: (boolean | null) | undefined, language?: (string | null) | undefined, screen_height?: (number | null) | undefined, screen_width?: (number | null) | undefined, time_zone?: (number | null) | undefined, ip_address?: (string | null) | undefined, accept_header?: (string | null) | undefined, user_agent?: (string | null) | undefined, os_type?: (string | null) | undefined, os_version?: (string | null) | undefined, device_model?: (string | null) | undefined, accept_language?: (string | null) | undefined, referer?: (string | null) | undefined};

export type VisaEligibilityCheckData = {consumerPresent: boolean, consumerStatus?: (string | null) | undefined, customData?: (BrowserInformation | null) | undefined};

export type MasterCardEligibilityCheckData = {consumerPresent: boolean, idLookupSessionId?: (string | null) | undefined, lastUsedCardTimestamp?: (string | null) | undefined};

export type ClickToPayEligibilityCheckData = {visa?: (VisaEligibilityCheckData | null) | undefined, mastercard?: (MasterCardEligibilityCheckData | null) | undefined};

export type AuthenticationEligibilityCheckData = {click_to_pay: ClickToPayEligibilityCheckData};

export type AuthenticationEligibilityCheckRequest = {client_secret?: (string | null) | undefined, eligibility_check_data: AuthenticationEligibilityCheckData};

export type CreateApiAuthenticationAuthenticationIdEligibilityCheckArgs = {body: AuthenticationEligibilityCheckRequest};

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

export const authenticationSdkNextAction = z.union([z.literal("await_merchant_callback"), z.object({deny: z.object({message: z.string()})}), z.literal("proceed")]);

export const authenticationEligibilityCheckResponse = z.object({authentication_id: z.string(), sdk_next_action: authenticationSdkNextAction});

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
};

/**
 * Authentication - POST Eligibility Check
 * 
 * POST /authentication/{authentication_id}/eligibility-check
 */
export const createApiAuthenticationAuthenticationIdEligibilityCheck = async (args: CreateApiAuthenticationAuthenticationIdEligibilityCheckArgs, options: CreateApiAuthenticationAuthenticationIdEligibilityCheckOptions) => {
const {baseUrl, fetch: fetchFn = fetch, publishableKey} = options ?? {}

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

if (publishableKey !== undefined) headers.set("api-key", publishableKey)

const url = `${baseUrl.replace(/\/+$/, '')}/authentication/${encodeURIComponent(String(args.authentication_id))}/eligibility-check${query.size > 0 ? `?${query}` : ''}`

const res = await fetchFn(url, {method: "POST", headers, body: JSON.stringify(args.body)})

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

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