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 RiskEventDefinitionsMatch = {id: {any: Array<ResourceId>}};

export type RiskEventMatch = {'first-reported-at'?: DateRangeMatch | undefined, entities?: RiskEventEntitiesMatch | undefined, 'event-definitions'?: RiskEventDefinitionsMatch | undefined};

export type RiskEventSearchQuery = {where: RiskEventMatch, size?: number | undefined, 'from-cursor'?: string | undefined};

export type CreateApiRiskEventsSearchArgs = {body: RiskEventSearchQuery};

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

export const resourceId = z.string();

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

export const date = 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 riskEventDocument = z.object({id: resourceId, title: z.string(), "signal-url": z.string().optional()});

export const riskEvent = z.object({id: resourceId, title: z.string(), "event-definition": riskEventDefinition, "first-reported": date, "first-detected": date, actors: z.array(entity), targets: z.array(entity), documents: z.array(riskEventDocument)});

export const riskEventSearchResponse = z.object({events: z.array(riskEvent), "next-cursor": z.string().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
};

/**
 * Risk Events Search
 * 
 * POST /risk-events-search
 */
export const createApiRiskEventsSearch = async (args: CreateApiRiskEventsSearchArgs, options?: CreateApiRiskEventsSearchOptions) => {
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-search${query.size > 0 ? `?${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(riskEventSearchResponse, await res.json())
};