import {z} from 'zod'

export type PageSize = number;

export type PageCursor = string;

export type RiskOrderBy = 'inherentRisk' | 'riskId' | 'riskScenario' | 'treatment' | 'residualRisk' | 'reviewStatus' | 'owner' | 'categories' | 'ciaCategories' | 'identified';

export type OrderDirection = 'asc' | 'desc';

export type GetApiAuditsAuditIdRisksSnapshotIdArgs = {auditId: string, snapshotId: string, pageSize?: PageSize | undefined, pageCursor?: PageCursor | undefined, search?: string | undefined, orderBy?: RiskOrderBy | undefined, orderDirection?: OrderDirection | undefined};

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

export const auditRiskTreatment = z.enum(["ACCEPT", "AVOID", "MITIGATE", "TRANSFER"]);

export const auditRiskTreatmentStatus = z.enum(["IN_PROGRESS", "DONE"]);

export const auditRiskReviewStatus = z.enum(["APPROVED", "DRAFT", "NOT_REVIEWED", "AWAITING_SUBMISSION", "PENDING_APPROVAL", "REQUESTED_CHANGES"]);

export const auditRiskOwner = z.object({displayName: z.string(), imageUrl: z.string().nullable()});

export const auditRiskCia = z.enum(["AVAILABILITY", "CONFIDENTIALITY", "INTEGRITY"]);

export const auditRisk = z.object({id: z.string(), riskId: z.string().nullable(), riskScenario: z.string().nullable().optional(), likelihood: z.number().nullable().optional(), impact: z.number().nullable().optional(), inherentRisk: z.number().nullable().optional(), treatment: auditRiskTreatment.nullable().optional(), treatmentStatus: auditRiskTreatmentStatus.nullable().optional(), residualRisk: z.number().nullable().optional(), reviewStatus: auditRiskReviewStatus.nullable().optional(), owner: auditRiskOwner.nullable().optional(), categories: z.array(z.string()).optional(), ciaCategories: z.array(auditRiskCia).optional(), linkedControlIds: z.array(z.string()).optional(), identified: z.string().nullable().optional()});

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

export const paginatedResponseAuditRisk = z.object({results: z.object({data: z.array(auditRisk), 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 risks for an audit
 * 
 * GET /audits/{auditId}/risks/{snapshotId}
 */
export const getApiAuditsAuditIdRisksSnapshotId = async (args: GetApiAuditsAuditIdRisksSnapshotIdArgs, options?: GetApiAuditsAuditIdRisksSnapshotIdOptions) => {
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.search != null) query.append("search", String(args.search))
if (args.orderBy != null) query.append("orderBy", String(args.orderBy))
if (args.orderDirection != null) query.append("orderDirection", String(args.orderDirection))
if (bearerAuth !== undefined) headers.set('authorization', `Bearer ${bearerAuth}`)

const url = `${baseUrl.replace(/\/+$/, '')}/audits/${encodeURIComponent(String(args.auditId))}/risks/${encodeURIComponent(String(args.snapshotId))}${query.size > 0 ? `?${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(paginatedResponseAuditRisk, await res.json())
};