import {z} from 'zod'

export type VerifyFaceRequest = {session_id: string};

export type CreateApiLivenessVerifyFaceArgs = {body: VerifyFaceRequest};

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

export const verifyFaceResponse = z.object({metadata: z.object({project_id: z.string().optional(), session_id: z.string().optional(), account_id: z.string().nullable().optional(), referring_session_id: z.string().nullable().optional(), request_id: z.string().optional(), timestamp: z.string().optional()}).optional(), decision: z.enum(["Fake", "Suspicious", "Real"]).optional(), risk_score: z.number().gte(0).lte(1).optional(), risk_flags: z.array(z.string()).optional(), device_network_signals: z.object({device_risk: z.number().gte(0).lte(1).optional(), proxy: z.number().gte(0).lte(1).optional(), vpn: z.number().gte(0).lte(1).optional(), datacenter: z.number().gte(0).lte(1).optional(), tor: z.number().gte(0).lte(1).optional(), spoofed_ip: z.number().gte(0).lte(1).optional(), recent_fraud_ip: z.number().gte(0).lte(1).optional(), device_network_mismatch: z.number().gte(0).lte(1).optional(), location_spoofing: z.number().gte(0).lte(1).optional()}).optional(), referring_session_signals: z.object({impossible_travel: z.number().gte(0).lte(1).optional(), ip_mismatch: z.number().gte(0).lte(1).optional(), user_agent_mismatch: z.number().gte(0).lte(1).optional(), device_timezone_mismatch: z.number().gte(0).lte(1).optional(), ip_timezone_mismatch: z.number().gte(0).lte(1).optional()}).optional(), photo_urls: z.object({face: z.string().optional()}).optional(), video_urls: z.array(z.string()).optional(), session_data: z.object({true_country_code: z.string().optional(), network: z.object({ip_address: z.string().optional(), service_provider: z.string().optional(), connection_type: z.string().optional()}).optional(), location: z.object({continent: z.string().optional(), country_code: z.string().optional(), state: z.string().optional(), city: z.string().optional(), zip_code: z.string().optional(), timezone: z.string().optional(), latitude: z.number().optional(), longitude: z.number().optional()}).optional(), browser: z.object({type: z.string().optional(), version: z.string().optional(), language: z.string().optional(), user_agent: z.string().optional(), timezone: z.string().optional()}).optional(), device: z.object({category: z.enum(["desktop", "mobile", "tablet", "console", "smarttv", "wearable", "embedded", "other"]).optional(), type: z.string().optional(), os: z.string().optional(), cpu_cores: z.number().int().optional(), memory: z.number().int().optional(), gpu: z.string().optional()}).optional()}).optional(), matches: z.object({num_accounts_linked: z.number().int().optional(), accounts_linked: z.array(z.object({account_id: z.string().optional(), match_types: z.array(z.enum(["face", "ip_address", "browser", "document_number", "document_name"])).optional()})).optional()}).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
};

/**
 * Verify Face
 * 
 * POST /liveness/verify-face
 */
export const createApiLivenessVerifyFace = async (args: CreateApiLivenessVerifyFaceArgs, options?: CreateApiLivenessVerifyFaceOptions) => {
const {baseUrl = "https://api.sandbox.verisoul.ai", fetch: fetchFn = fetch, apiKeyAuth} = options ?? {}

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

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

const url = `${baseUrl.replace(/\/+$/, '')}/liveness/verify-face${query.size > 0 ? `?${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(verifyFaceResponse, await res.json())
};