import {z} from 'zod'

export type CreateApiApiV1AuditExportArgs = {'X-Tenant-ID': string, format?: ('csv' | 'json') | undefined, body: {user_email?: string | undefined, client_id?: string | undefined, action?: string | undefined, session_id?: string | undefined, decision_id?: string | undefined, policy_name?: string | undefined, override_id?: string | undefined, start_time?: string | undefined, end_time?: string | undefined}};

export type CreateApiApiV1AuditExportOptions = {baseUrl?: string | undefined, fetch?: typeof fetch | undefined};

export const auditLogEntry = z.object({id: z.string().optional(), request_id: z.string().optional(), timestamp: z.string().optional(), user_id: z.number().int().optional(), user_email: z.string().optional(), user_role: z.string().optional(), client_id: z.string().optional(), tenant_id: z.string().optional(), org_id: z.string().optional(), request_type: z.string().optional(), query: z.string().optional(), query_hash: z.string().optional(), policy_decision: z.string().optional(), policy_details: z.record(z.string(), z.unknown()).optional(), provider: z.string().optional(), model: z.string().optional(), response_time_ms: z.number().int().optional(), tokens_used: z.number().int().optional(), cost: z.number().optional(), redacted_fields: z.array(z.string()).optional(), error_message: z.string().optional(), response_sample: z.string().optional(), compliance_flags: z.array(z.string()).optional(), security_metrics: z.record(z.string(), z.unknown()).optional(), decision_id: z.string().optional(), plane: z.string().optional(), correlation_id: z.string().optional(), transfer_basis: z.string().optional(), data_residency: z.string().optional(), session_id: z.string().optional()});

export const createApiApiV1AuditExportResponse = z.object({entries: z.array(auditLogEntry).optional(), count: z.number().int().optional(), truncated: z.boolean().optional(), row_cap: z.number().int().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
};

/**
 * Export audit logs (CSV or JSON)
 * 
 * POST /api/v1/audit/export
 */
export const createApiApiV1AuditExport = async (args: CreateApiApiV1AuditExportArgs, options?: CreateApiApiV1AuditExportOptions) => {
const {baseUrl = "https://orchestrator.getaxonflow.com", fetch: fetchFn = fetch} = options ?? {}

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

if (args['X-Tenant-ID'] != null) headers.set("X-Tenant-ID", String(args['X-Tenant-ID']))
if (args.format != null) query.append("format", String(args.format))

const url = `${baseUrl.replace(/\/+$/, '')}/api/v1/audit/export${query.size > 0 ? `?${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(createApiApiV1AuditExportResponse, await res.json())
};