import {z} from 'zod'

export type GetApiOsaLibrariesArgs = {scanId: string, page?: number | undefined, itemsPerPage?: number | undefined};

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

export const cxOsaApplicationDTOsMatchTypeDto = z.object({id: z.number().int().optional(), name: z.string().optional(), description: z.string().optional()});

export const cxOsaApplicationDTOsSeverityDTO = z.object({id: z.number().int().optional(), name: z.string().optional()});

export const cxOsaApplicationDTOsResponsesLibraryLocationDto = z.object({path: z.string().optional(), matchType: cxOsaApplicationDTOsMatchTypeDto.optional()});

export const cxOsaApplicationDTOsResponsesV3ScannedLibraryDTO = z.object({id: z.string().optional(), name: z.string().optional(), version: z.string().optional(), releaseDate: z.string().optional(), highUniqueVulnerabilityCount: z.number().int().optional(), mediumUniqueVulnerabilityCount: z.number().int().optional(), lowUniqueVulnerabilityCount: z.number().int().optional(), notExploitableVulnerabilityCount: z.number().int().optional(), newestVersion: z.string().optional(), newestVersionReleaseDate: z.string().optional(), numberOfVersionsSinceLastUpdate: z.number().int().optional(), confidenceLevel: z.number().int().optional(), matchType: cxOsaApplicationDTOsMatchTypeDto.optional(), licenses: z.array(z.string()).optional(), outdated: z.boolean().optional(), severity: cxOsaApplicationDTOsSeverityDTO.optional(), riskScore: z.number().optional(), locations: z.array(cxOsaApplicationDTOsResponsesLibraryLocationDto).optional(), codeUsageStatus: z.string().optional(), codeReferenceCount: z.number().int().optional(), packageRepository: z.string().optional()});

export const getApiOsaLibrariesResponse = z.array(cxOsaApplicationDTOsResponsesV3ScannedLibraryDTO);

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
};

/**
 * Returns all the used libraries for the specified scan Id
 * 
 * GET /osa/libraries
 */
export const getApiOsaLibraries = async (args: GetApiOsaLibrariesArgs, options?: GetApiOsaLibrariesOptions) => {
const {baseUrl = "https://desktop-rmvpboc/cxrestapi/help", fetch: fetchFn = fetch, Bearer} = options ?? {}

const query = new URLSearchParams()
const headers = new Headers()
headers.set('accept', "application/json;v=3.0")

if (args.scanId != null) query.append("scanId", String(args.scanId))
if (args.page != null) query.append("page", String(args.page))
if (args.itemsPerPage != null) query.append("itemsPerPage", String(args.itemsPerPage))
if (Bearer !== undefined) headers.set('authorization', `Bearer ${Bearer}`)

const url = `${baseUrl.replace(/\/+$/, '')}/osa/libraries${query.size > 0 ? `?${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(getApiOsaLibrariesResponse, await res.json())
};