import {z} from 'zod'

export type ScoreComponent = 'PeerScore' | 'AlertScore' | 'SSAScore' | 'ExternalScore' | 'TierNScore';

export type ScoreSubcomponent = 'CountryScore' | 'IndustryScore' | 'CommodityScore' | 'PublicAlertScore' | 'CustomerAlertScore' | 'InternalScore' | 'TierNIndustryScore' | 'TierNCommodityScore' | 'TargetScore';

export type GetApiPublicV1TargetSystemIdTargetIdScoreArgs = {systemId: string, targetId: string, perspectiveId?: number | undefined, groupId?: number | undefined, component?: ScoreComponent | undefined, subcomponent?: ScoreSubcomponent | undefined};

export type GetApiPublicV1TargetSystemIdTargetIdScoreOptions = {baseUrl?: string | undefined, TokenAuthentication?: string | undefined, fetch?: typeof fetch | undefined};

export const publicLevel = z.enum(["NA", "No", "Low", "Mid", "High", "Critical"]);

export const publicScore = z.object({value: z.number().int().nullable().optional(), risk: publicLevel.nullable().optional()});

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

export const publicGroupScore = z.object({group: publicInfotagGroup, score: publicScore.nullable().optional()});

export const publicTargetScore = z.object({score: publicScore, groups: z.array(publicGroupScore)});

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 the target score including the overall score and scores for all infotag-groups.
 * 
 * GET /public/v1/target/{systemId}/{targetId}/score
 */
export const getApiPublicV1TargetSystemIdTargetIdScore = async (args: GetApiPublicV1TargetSystemIdTargetIdScoreArgs, options?: GetApiPublicV1TargetSystemIdTargetIdScoreOptions) => {
const {baseUrl = "https://api.prewave.com", fetch: fetchFn = fetch, TokenAuthentication} = options ?? {}

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

if (args.perspectiveId != null) query.append("perspectiveId", String(args.perspectiveId))
if (args.groupId != null) query.append("groupId", String(args.groupId))
if (args.component != null) query.append("component", String(args.component))
if (args.subcomponent != null) query.append("subcomponent", String(args.subcomponent))
if (TokenAuthentication !== undefined) headers.set("X-Auth-Token", TokenAuthentication)

const url = `${baseUrl.replace(/\/+$/, '')}/public/v1/target/${encodeURIComponent(String(args.systemId))}/${encodeURIComponent(String(args.targetId))}/score${query.size > 0 ? `?${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(publicTargetScore, await res.json())
};