import {z} from 'zod'

export type GetApiAnalysisEvidenceFactIDSessionIDArgs = {factID: string, sessionID: string};

export type GetApiAnalysisEvidenceFactIDSessionIDOptions = {baseUrl?: string | undefined, evidenceKey?: string | undefined, fetch?: typeof fetch | undefined};

export const object = z.union([z.string(), z.number(), z.boolean()]);

export const certainty = z.number().gte(1).lte(100);

export const subject = z.string();

export const relationship = z.string();

export const salience = z.number().gte(1).lte(100);

export const impact = z.number();

export const alt = z.string();

export const wasMet = z.boolean();

export const getApiAnalysisEvidenceFactIDSessionIDResponse = z.object({factID: z.string().optional(), source: z.string().optional(), fact: z.object({subject: z.object({type: z.string().optional(), value: z.string().optional(), dataType: z.string().optional()}).optional(), relationship: z.object({type: z.string().optional()}).optional(), object: z.object({type: z.string().optional(), value: object.optional(), dataType: z.string().optional()}).optional(), certainty: certainty.optional()}).optional(), time: z.number().optional(), rule: z.object({bindings: z.record(z.string(), z.unknown()).optional(), conditions: z.array(z.union([z.object({subject: subject.optional(), relationship: relationship.optional(), object: object.optional(), salience: salience.optional(), certainty: certainty.optional(), impact: impact.optional(), factID: z.string().optional(), objectType: z.string().optional(), alt: alt.optional(), factKey: z.string().optional()}), z.object({expression: z.object({functions: z.object({"function-that-was-called": z.object({facts: z.array(z.object({subject: subject.optional(), relationship: relationship.optional(), object: object.optional(), certainty: certainty.optional(), factID: z.string().optional(), objectType: z.string().optional(), factKey: z.string().optional()})).optional(), result: z.object({type: z.string().optional(), value: z.union([z.string(), z.number(), z.boolean()]).optional()}).optional()}).optional()}).optional(), text: z.string().optional(), value: z.string().optional()}).optional(), impact: impact.optional(), salience: salience.optional(), wasMet: wasMet.optional(), alt: alt.optional()})])).optional(), ruleMaxCertainty: certainty.optional()}).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
};

/**
 * Evidence - Returns the evidence for a given fact
 * 
 * GET /analysis/evidence/{factID}/{sessionID}
 */
export const getApiAnalysisEvidenceFactIDSessionID = async (args: GetApiAnalysisEvidenceFactIDSessionIDArgs, options?: GetApiAnalysisEvidenceFactIDSessionIDOptions) => {
const {baseUrl = "https://api.rainbird.ai", fetch: fetchFn = fetch, evidenceKey} = options ?? {}

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

if (evidenceKey !== undefined) headers.set("x-evidence-key", evidenceKey)

const url = `${baseUrl.replace(/\/+$/, '')}/analysis/evidence/${encodeURIComponent(String(args.factID))}/${encodeURIComponent(String(args.sessionID))}${query.size > 0 ? `?${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(getApiAnalysisEvidenceFactIDSessionIDResponse, await res.json())
};