import {z} from 'zod'

export type Date = string;

export type DateRangeMatch = {gte?: Date | undefined, lte?: Date | undefined};

export type ResourceId = string;

export type RiskEventEntitiesMatch = {id: {any: Array<ResourceId>}};

export type RiskScoreMatch = {'first-reported-at': DateRangeMatch, entities: RiskEventEntitiesMatch};

export type RiskPillar = {name: string, 'event-definition-ids': Array<ResourceId>};

export type RiskScoreBy = {'entity-ids'?: Array<ResourceId> | undefined, pillars?: Array<RiskPillar> | undefined};

export type RiskEventScoreQuery = {where: RiskScoreMatch, 'score-by': RiskScoreBy};

export type CreateApiRiskEventsScoresArgs = {body: RiskEventScoreQuery};

export type CreateApiRiskEventsScoresOptions = {baseUrl?: string | undefined, OAuth2?: string | undefined, fetch?: typeof fetch | undefined};

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

export const resourceId = z.string();

export const entityType = z.enum(["person", "organisation", "location", "substance", "disease", "product", "regulation"]);

export const entity = z.object({id: resourceId, type: entityType, name: z.string()});

export const riskScore = z.object({name: z.string(), "event-definitions": z.array(riskEventDefinition), entity: entity.optional(), "document-count": z.number(), "event-count": z.number(), likelihood: z.number().gte(1).lte(5), impact: z.number().gte(1).lte(5), score: z.number().gte(1).lte(25)});

export const riskEventScoreResponse = z.object({scores: z.array(riskScore)});

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
};

/**
 * Risk Events Scores
 * 
 * POST /risk-events-scores
 */
export const createApiRiskEventsScores = async (args: CreateApiRiskEventsScoresArgs, options?: CreateApiRiskEventsScoresOptions) => {
const {baseUrl = "https://api.signal-ai.com", fetch: fetchFn = fetch, OAuth2} = options ?? {}

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

if (OAuth2 !== undefined) headers.set('authorization', `Bearer ${OAuth2}`)

const url = `${baseUrl.replace(/\/+$/, '')}/risk-events-scores${query.size > 0 ? `?${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(riskEventScoreResponse, await res.json())
};