import {z} from 'zod'

export type GetApiApiOrgIdRumAnalyticsFunnelsIdArgs = {org_id: string, id: string, app: string};

export type GetApiApiOrgIdRumAnalyticsFunnelsIdOptions = {baseUrl: string, Authorization?: string | undefined, fetch?: typeof fetch | undefined};

export const funnelDef = z.object({b: z.string().nullable().optional(), bs: z.number().int().gte(0).nullable().optional(), f: z.array(z.object({})).nullable().optional(), s: z.array(z.array(z.object({}))), u: z.string().nullable().optional(), w: z.string().nullable().optional(), x: z.array(z.object({})).nullable().optional()});

export const savedFunnel = z.object({app: z.string(), createdAt: z.number().int(), createdBy: z.string(), currentRulesHash: z.string(), def: funnelDef, description: z.string().nullable().optional(), eventIds: z.array(z.string()), id: z.string(), name: z.string(), rulesHash: z.string().nullable().optional(), sql: z.string(), updatedAt: z.number().int(), updatedBy: z.string(), version: z.number().int()});

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 a saved funnel
 * 
 * GET /api/{org_id}/rum/analytics/funnels/{id}
 */
export const getApiApiOrgIdRumAnalyticsFunnelsId = async (args: GetApiApiOrgIdRumAnalyticsFunnelsIdArgs, options: GetApiApiOrgIdRumAnalyticsFunnelsIdOptions) => {
const {baseUrl, fetch: fetchFn = fetch, Authorization} = options ?? {}

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

if (args.app != null) query.append("app", String(args.app))
if (Authorization !== undefined) headers.set("Authorization", Authorization)

const url = `${baseUrl.replace(/\/+$/, '')}/api/${encodeURIComponent(String(args.org_id))}/rum/analytics/funnels/${encodeURIComponent(String(args.id))}${query.size > 0 ? `?${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(savedFunnel, await res.json())
};