import {z} from 'zod'

export type GetApiV20FlowsFlowIdIntentsArgs = {Accept?: ('application/json' | 'application/hal+json' | 'application/xml' | 'text/xml' | 'text/csv') | undefined, flowId: string, filter?: string | undefined, limit?: number | undefined, skip?: number | undefined, sort?: string | undefined, next?: string | undefined, previous?: string | undefined, parent?: string | undefined, includeChildren?: boolean | undefined, includeFeedbackReport?: boolean | undefined, preferredLocaleId?: string | undefined};

export type GetApiV20FlowsFlowIdIntentsOptions = {baseUrl?: string | undefined, APIKeyHeader?: string | undefined, fetch?: typeof fetch | undefined};

export const getApiV20FlowsFlowIdIntentsResponse = z.object({items: z.array(z.object({_id: z.string().min(24).max(24).optional(), referenceId: z.string().optional(), name: z.string().optional(), description: z.string().optional(), tags: z.array(z.string()).optional(), isRejectIntent: z.boolean().optional(), isDisabled: z.boolean().optional(), localeReference: z.string().min(24).max(24).optional(), parentIntentId: z.string().min(24).max(24).optional(), feedbackReport: z.object({findings: z.array(z.union([z.object({type: z.enum(["poorFScore", "fairFScore", "goodFScore", "fewSentences", "unclearIntent", "noSiblings"]).optional()}), z.object({type: z.enum(["someOverlap", "strongOverlap"]).optional(), overlappingIntentReferenceId: z.string().optional(), overlappingIntentName: z.string().optional(), overlappingIntentId: z.string().min(24).max(24).optional(), overlappingFlowName: z.string().optional(), overlappingFlowId: z.string().min(24).max(24).optional()}), z.object({type: z.literal("lowDataIntents").optional(), intents: z.array(z.object({intentReferenceId: z.string().optional(), intentName: z.string().optional(), intentId: z.string().min(24).max(24).optional(), flowName: z.string().optional(), flowId: z.string().min(24).max(24).optional()})).optional()})])).optional(), info: z.object({fScore: z.number().optional()}).optional()}).optional()})).optional(), total: z.number().int().optional(), nextCursor: z.string().min(24).max(24).nullable().optional(), previousCursor: z.string().min(24).max(24).nullable().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
};

/**
 * Get Intents
 * 
 * GET /v2.0/flows/{flowId}/intents
 * 
 * Also accepts auth: APIKeyQueryParam, CXoneTokenHeader, OAuth2
 */
export const getApiV20FlowsFlowIdIntents = async (args: GetApiV20FlowsFlowIdIntentsArgs, options?: GetApiV20FlowsFlowIdIntentsOptions) => {
const {baseUrl = "https://api-trial.cognigy.ai/testing", fetch: fetchFn = fetch, APIKeyHeader} = options ?? {}

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

if (args.Accept != null) headers.set("Accept", String(args.Accept))
if (args.filter != null) query.append("filter", String(args.filter))
if (args.limit != null) query.append("limit", String(args.limit))
if (args.skip != null) query.append("skip", String(args.skip))
if (args.sort != null) query.append("sort", String(args.sort))
if (args.next != null) query.append("next", String(args.next))
if (args.previous != null) query.append("previous", String(args.previous))
if (args.parent != null) query.append("parent", String(args.parent))
if (args.includeChildren != null) query.append("includeChildren", String(args.includeChildren))
if (args.includeFeedbackReport != null) query.append("includeFeedbackReport", String(args.includeFeedbackReport))
if (args.preferredLocaleId != null) query.append("preferredLocaleId", String(args.preferredLocaleId))
if (APIKeyHeader !== undefined) headers.set("X-API-Key", APIKeyHeader)

const url = `${baseUrl.replace(/\/+$/, '')}/v2.0/flows/${encodeURIComponent(String(args.flowId))}/intents${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(getApiV20FlowsFlowIdIntentsResponse, await res.json())
};