import {z} from 'zod'

export type AuditorEnabledStateTransition = 'ACCEPT' | 'MARK_APPLICABLE' | 'FLAG' | 'MARK_NA' | 'READY_FOR_AUDIT';

export type AuditEvidenceUpdateInput = {statusUpdate?: {auditorEmail: string, stateTransition: AuditorEnabledStateTransition} | undefined};

export type PatchApiAuditsAuditIdEvidenceAuditEvidenceIdArgs = {auditId: string, auditEvidenceId: string, body: AuditEvidenceUpdateInput};

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

export const auditEvidenceState = z.enum(["Accepted", "Flagged", "Initialized", "NA", "Not ready for audit", "Ready for audit"]);

export const auditEvidenceType = z.enum(["Evidence Request", "Policy", "Test"]);

export const evidenceControl = z.object({name: z.string(), sectionNames: z.array(z.string())});

export const evidence = z.object({id: z.string(), externalId: z.string(), status: auditEvidenceState, name: z.string(), deletionDate: z.string().nullable(), creationDate: z.string(), statusUpdatedDate: z.string(), testStatus: z.string().nullable(), evidenceType: auditEvidenceType, evidenceId: z.string(), relatedControls: z.array(evidenceControl), description: z.string().nullable()});

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
};

/**
 * Update audit evidence
 * 
 * PATCH /audits/{auditId}/evidence/{auditEvidenceId}
 */
export const patchApiAuditsAuditIdEvidenceAuditEvidenceId = async (args: PatchApiAuditsAuditIdEvidenceAuditEvidenceIdArgs, options?: PatchApiAuditsAuditIdEvidenceAuditEvidenceIdOptions) => {
const {baseUrl = "https://api.vanta.com", fetch: fetchFn = fetch, bearerAuth} = options ?? {}

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

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

const url = `${baseUrl.replace(/\/+$/, '')}/audits/${encodeURIComponent(String(args.auditId))}/evidence/${encodeURIComponent(String(args.auditEvidenceId))}${query.size > 0 ? `?${query}` : ''}`

const res = await fetchFn(url, {method: "PATCH", 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(evidence, await res.json())
};