import {z} from 'zod'

export type ComplianceWalletAnalysisRequest = {provider: 'ELLIPTIC', walletAddress: string} | {provider: 'CHAINALYSIS', walletAddress: string, transactionAmount: number, ledger: string, tickerId: string};

export type CreateApiV1DomainsDomainIdComplianceAnalysisPreviewArgs = {domainId: string, body: ComplianceWalletAnalysisRequest};

export type CreateApiV1DomainsDomainIdComplianceAnalysisPreviewOptions = {baseUrl: string, httpAuth?: string | undefined, fetch?: typeof fetch | undefined};

export const complianceChainalysisAlert = z.object({alertLevel: z.enum(["SEVERE", "HIGH", "MEDIUM", "LOW", "NO_RISK_DETECTED"]), exposureType: z.literal("DIRECT"), externalLink: z.string(), category: z.string().optional()});

export const complianceScreeningDetailChainalysis = z.object({alerts: z.array(complianceChainalysisAlert).optional(), directCounterparty: z.string().optional()});

export const complianceScreeningDetailElliptic = z.object({walletCategory: z.string().optional(), referenceLink: z.string(), referenceId: z.string(), riskScoreValue: z.string()});

export const complianceWalletAnalysisResponse = z.union([z.object({provider: z.literal("CHAINALYSIS"), walletAddress: z.string(), transactionAmount: z.number().optional(), ledger: z.string(), transactionType: z.enum(["INCOMING", "OUTGOING"]), screenedAt: z.string().optional(), errorDetails: z.string().optional(), warningDetails: z.string().optional(), riskLevel: z.enum(["UNKNOWN", "SEVERE", "HIGH", "MEDIUM", "LOW", "NO_RISK_DETECTED"]).optional(), screeningDetail: complianceScreeningDetailChainalysis.optional()}), z.object({provider: z.literal("ELLIPTIC"), walletAddress: z.string(), transactionAmount: z.number().optional(), ledger: z.string(), transactionType: z.enum(["INCOMING", "OUTGOING"]), screenedAt: z.string().optional(), errorDetails: z.string().optional(), warningDetails: z.string().optional(), riskLevel: z.enum(["LOW", "MEDIUM", "HIGH", "UNKNOWN"]).optional(), screeningDetail: complianceScreeningDetailElliptic.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
};

/**
 * Performs a preview analysis of the wallet
 * 
 * POST /v1/domains/{domainId}/compliance/analysis/preview
 */
export const createApiV1DomainsDomainIdComplianceAnalysisPreview = async (args: CreateApiV1DomainsDomainIdComplianceAnalysisPreviewArgs, options: CreateApiV1DomainsDomainIdComplianceAnalysisPreviewOptions) => {
const {baseUrl, fetch: fetchFn = fetch, httpAuth} = options ?? {}

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

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

const url = `${baseUrl.replace(/\/+$/, '')}/v1/domains/${encodeURIComponent(String(args.domainId))}/compliance/analysis/preview${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(complianceWalletAnalysisResponse, await res.json())
};