import {z} from 'zod'

export type PageSize = number;

export type PageCursor = string;

export type InformationRequestSupportedEvidenceType = 'UPLOADED_DOCUMENT' | 'OBSERVATION' | 'LINK' | 'VANTA_DOCUMENT' | 'VANTA_POLICY' | 'VANTA_TEST' | 'VANTA_TEST_SNAPSHOT';

export type GetApiAuditsAuditIdInformationRequestsRequestIdEvidenceArgs = {auditId: string, requestId: string, pageSize?: PageSize | undefined, pageCursor?: PageCursor | undefined, changedSinceDate?: string | undefined, evidenceTypeMatchesAny?: Array<InformationRequestSupportedEvidenceType> | undefined};

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

export const informationRequestSupportedEvidenceType = z.enum(["UPLOADED_DOCUMENT", "OBSERVATION", "LINK", "VANTA_DOCUMENT", "VANTA_POLICY", "VANTA_TEST", "VANTA_TEST_SNAPSHOT"]);

export const uploadedDocumentEvidence = z.object({id: z.string(), filename: z.string().optional(), mimeType: z.string(), url: z.string()});

export const linkEvidence = z.object({title: z.string(), description: z.string().optional(), url: z.string()});

export const observationEvidence = z.object({observationDetails: z.string()});

export const vantaDocumentUploadedEvidence = z.object({type: z.literal("uploaded"), id: z.string(), filename: z.string().optional(), mimeType: z.string(), url: z.string()});

export const vantaDocumentLinkEvidence = z.object({type: z.literal("link"), id: z.string(), url: z.string()});

export const vantaDocumentEvidence = z.object({title: z.string(), description: z.string().optional(), expirationDate: z.string().optional(), addedBy: z.object({email: z.string(), name: z.string()}).optional(), documentVersionId: z.string(), file: z.union([vantaDocumentUploadedEvidence, vantaDocumentLinkEvidence])});

export const vantaPolicyEvidence = z.object({title: z.string(), description: z.string().optional(), expirationDate: z.string().optional(), lastEditedBy: z.object({email: z.string(), name: z.string()}).optional(), policyId: z.string(), policyVersionId: z.string(), policyVersionFileId: z.string(), file: z.object({effectiveOrCreationDate: z.string(), locale: z.string(), url: z.string(), mimeType: z.string(), filename: z.string().optional(), id: z.string()})});

export const vantaTestRunStatus = z.enum(["NA", "IN_PROGRESS", "FAIL", "PASS", "INVALID", "DISABLED"]);

export const vantaTestFileType = z.enum(["TEST_EVIDENCE_WORKPAPER", "TEST_RAW_DATA", "OUT_OF_SCOPE_RESOURCES", "API_REQUESTS"]);

export const vantaTestEvidence = z.object({title: z.string(), testId: z.string(), snapshotId: z.string(), testRunStatus: vantaTestRunStatus, executedAt: z.string(), fileType: vantaTestFileType, file: z.object({mimeType: z.string(), url: z.string()})});

export const vantaTestSnapshotEvidence = z.object({snapshotId: z.string(), testId: z.string(), testRunId: z.string(), testRunTitle: z.string(), testRunStatus: z.enum(["NA", "IN_PROGRESS", "FAIL", "PASS", "INVALID", "DISABLED"]), testRunExecutedAt: z.string()});

export const informationRequestEvidenceUnion = z.union([uploadedDocumentEvidence, linkEvidence, observationEvidence, vantaDocumentEvidence, vantaPolicyEvidence, vantaTestEvidence, vantaTestSnapshotEvidence]);

export const informationRequestEvidence = z.object({id: z.string(), evidenceType: informationRequestSupportedEvidenceType, visibleToAuditorDate: z.string().nullable().optional(), creationDate: z.string(), modificationDate: z.string(), deletionDate: z.string().nullable().optional(), evidence: informationRequestEvidenceUnion});

export const pageInfo = z.object({endCursor: z.string().nullable(), hasNextPage: z.boolean(), hasPreviousPage: z.boolean(), startCursor: z.string().nullable()});

export const paginatedResponseInformationRequestEvidence = z.object({results: z.object({data: z.array(informationRequestEvidence), pageInfo: pageInfo})});

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
};

/**
 * List evidence for an information request
 * 
 * GET /audits/{auditId}/information-requests/{requestId}/evidence
 */
export const getApiAuditsAuditIdInformationRequestsRequestIdEvidence = async (args: GetApiAuditsAuditIdInformationRequestsRequestIdEvidenceArgs, options?: GetApiAuditsAuditIdInformationRequestsRequestIdEvidenceOptions) => {
const {baseUrl = "https://api.vanta.com", fetch: fetchFn = fetch, bearerAuth} = options ?? {}

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

if (args.pageSize != null) query.append("pageSize", String(args.pageSize))
if (args.pageCursor != null) query.append("pageCursor", String(args.pageCursor))
if (args.changedSinceDate != null) query.append("changedSinceDate", String(args.changedSinceDate))
for (const item of args.evidenceTypeMatchesAny ?? []) query.append("evidenceTypeMatchesAny", String(item))
if (bearerAuth !== undefined) headers.set('authorization', `Bearer ${bearerAuth}`)

const url = `${baseUrl.replace(/\/+$/, '')}/audits/${encodeURIComponent(String(args.auditId))}/information-requests/${encodeURIComponent(String(args.requestId))}/evidence${query.size > 0 ? `?${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(paginatedResponseInformationRequestEvidence, await res.json())
};