import {z} from 'zod'

export type GetApiV2VulnerabilityIdArgs = {fields?: string | undefined};

export type GetApiV2VulnerabilityIdOptions = {baseUrl?: string | undefined, XAPIKey?: string | undefined, fetch?: typeof fetch | undefined};

export const kevInfo = z.object({added_date: z.string().optional(), due_date: z.string().optional(), known_ransomware_campaign_use: z.boolean().optional(), source: z.string().optional()});

export const pOC = z.object({added_at: z.string().optional(), source: z.string().optional(), url: z.string().optional()});

export const citation = z.object({source: z.string().optional(), tags: z.array(z.string()).optional(), url: z.string().optional(), added_at: z.string().optional()});

export const weakness = z.object({cwe_id: z.string().optional(), cwe_name: z.string().optional()});

export const aIMeta = z.object({model_used: z.string().optional(), is_prompt_by_human: z.boolean().optional(), is_template_by_human: z.boolean().optional(), prompt: z.string().optional()});

export const classification = z.object({"cve-id": z.array(z.string()).optional(), "cwe-id": z.array(z.string()).optional(), "cvss-metrics": z.string().optional(), "cvss-score": z.number().optional(), "epss-score": z.number().optional(), "epss-percentile": z.number().optional(), cpe: z.string().optional()});

export const productInfo = z.object({cpe: z.array(z.string()).optional(), product: z.string().optional(), project_repos: z.object({}).optional(), projects: z.array(z.string()).optional(), vendor: z.string().optional(), product_category: z.string().optional(), product_type: z.string().optional(), industry: z.string().optional(), tech_domain: z.string().optional(), category: z.string().optional(), deployment_model: z.string().optional(), summary: z.string().optional()});

export const searchEngineStats = z.object({max_hosts: z.number().int().optional(), min_hosts: z.number().int().optional(), queries: z.array(z.string()).optional()});

export const exposureStats = z.object({fofa: searchEngineStats.optional(), id: z.string().optional(), max_hosts: z.number().int().optional(), min_hosts: z.number().int().optional(), shodan: searchEngineStats.optional()});

export const vulnExposure = z.object({max_hosts: z.number().int().optional(), min_hosts: z.number().int().optional(), values: z.array(exposureStats).optional()});

export const h1Stats = z.object({delta_rank: z.number().int().optional(), delta_reports: z.number().int().optional(), rank: z.number().int().optional(), reports: z.number().int().optional()});

export const vulnerability = z.object({age_in_days: z.number().int().optional(), assignee: z.string().optional(), cve_created_at: z.string().optional(), cve_id: z.string().optional(), cve_updated_at: z.string().optional(), cvss_metrics: z.string().optional(), cvss_score: z.number().optional(), epss_percentile: z.number().optional(), epss_score: z.number().optional(), is_kev: z.boolean().optional(), is_vkev: z.boolean().optional(), is_oss: z.boolean().optional(), is_patch_available: z.boolean().optional(), is_poc: z.boolean().optional(), is_remote: z.boolean().optional(), is_template: z.boolean().optional(), kev: z.array(kevInfo).optional(), poc_count: z.number().int().optional(), pocs: z.array(pOC).optional(), nuclei_template: z.string().optional(), is_auth: z.boolean().optional(), is_exploit_seen: z.boolean().optional(), poc_first_seen: z.string().optional(), vuln_status: z.string().optional(), citations: z.array(citation).optional(), cwe: z.array(z.string()).optional(), description: z.string().optional(), impact: z.string().optional(), name: z.string().optional(), product: z.string().optional(), remediation: z.string().optional(), severity: z.string().optional(), vendor: z.string().optional(), requirement_type: z.string().optional(), requirements: z.string().optional(), template_coverage: z.string().optional(), vulnerability_impact: z.array(z.string()).optional(), vulnerability_type: z.string().optional(), weaknesses: z.array(weakness).optional(), category: z.string().optional(), integration_id: z.string().optional(), integration_type: z.string().optional(), pull_request: z.string().optional(), ref: z.string().optional(), release_tag: z.string().optional(), score: z.number().int().optional(), template_type: z.string().optional(), is_draft: z.boolean().optional(), is_early: z.boolean().optional(), is_github: z.boolean().optional(), is_new: z.boolean().optional(), is_pdteam: z.boolean().optional(), directory: z.string().optional(), filename: z.string().optional(), uri: z.string().optional(), author: z.array(z.string()).optional(), digest: z.string().optional(), metadata: z.object({}).optional(), raw: z.string().optional(), tags: z.array(z.string()).optional(), type: z.string().optional(), organizations: z.array(z.string()).optional(), origin_template_id: z.string().optional(), share_type: z.string().optional(), ttl: z.string().optional(), ttl_from: z.string().optional(), users: z.array(z.number().int()).optional(), ai_meta: aIMeta.optional(), classification: classification.optional(), id: z.string().optional(), user_id: z.number().int().optional(), affected_products: z.array(productInfo).optional(), created_at: z.string().optional(), doc_id: z.string().optional(), doc_type: z.string().optional(), exposure: vulnExposure.optional(), h1: h1Stats.optional(), ntps: z.number().int().optional(), updated_at: z.string().optional(), template_created_at: z.string().optional()});

export const getApiV2VulnerabilityIdResponse = z.object({data: vulnerability.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
};

/**
 * Get Vulnerability by ID
 * 
 * GET /v2/vulnerability/{id}
 */
export const getApiV2VulnerabilityId = async (args: GetApiV2VulnerabilityIdArgs, options?: GetApiV2VulnerabilityIdOptions) => {
const {baseUrl = "https://api.projectdiscovery.io", fetch: fetchFn = fetch, XAPIKey} = options ?? {}

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

if (args.fields != null) query.append("fields", String(args.fields))
if (XAPIKey !== undefined) headers.set("X-API-Key", XAPIKey)

const url = `${baseUrl.replace(/\/+$/, '')}/v2/vulnerability/${encodeURIComponent(String(args.id))}${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(getApiV2VulnerabilityIdResponse, await res.json())
};