import {z} from 'zod'

export type GetApiV1ProjectsProjectIdGeoTrafficJourneyStatsArgs = {projectId: string, days?: number | undefined, from?: string | undefined, to?: string | undefined};

export type GetApiV1ProjectsProjectIdGeoTrafficJourneyStatsOptions = {baseUrl?: string | undefined, BearerAuth?: string | undefined, fetch?: typeof fetch | undefined};

export const geoJourneyStatsResponse = z.object({configured: z.boolean(), sources: z.array(z.object({source: z.string(), visitorType: z.enum(["crawler", "ai_referral", "human", "unknown"]), journeys: z.number().int(), previousJourneys: z.number().int(), pages: z.number().int(), singleFetch: z.number().int(), deepCrawls: z.number().int(), lastSeenAt: z.string().nullable(), daily: z.array(z.object({day: z.string(), journeys: z.number().int()}))})), pages: z.array(z.object({path: z.string(), journeys: z.number().int(), previousJourneys: z.number().int(), entries: z.number().int(), lastSeenAt: z.string().nullable(), daily: z.array(z.object({day: z.string(), journeys: z.number().int()}))})), totalPages: z.number().int(), previousTotalPages: z.number().int(), organization: z.object({id: z.string(), slug: z.string(), name: z.string(), logo: z.string().nullable()})});

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 AI journey statistics
 * 
 * GET /v1/projects/{projectId}/geo/traffic/journey-stats
 */
export const getApiV1ProjectsProjectIdGeoTrafficJourneyStats = async (args: GetApiV1ProjectsProjectIdGeoTrafficJourneyStatsArgs, options?: GetApiV1ProjectsProjectIdGeoTrafficJourneyStatsOptions) => {
const {baseUrl = "https://api.usenotra.com", fetch: fetchFn = fetch, BearerAuth} = options ?? {}

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

if (args.days != null) query.append("days", String(args.days))
if (args.from != null) query.append("from", String(args.from))
if (args.to != null) query.append("to", String(args.to))
if (BearerAuth !== undefined) headers.set('authorization', `Bearer ${BearerAuth}`)

const url = `${baseUrl.replace(/\/+$/, '')}/v1/projects/${encodeURIComponent(String(args.projectId))}/geo/traffic/journey-stats${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(geoJourneyStatsResponse, await res.json())
};