import {z} from 'zod'

export type GetApiApiV1WeatherNwsAlertAlertIdArgs = {alert_id: string};

export type GetApiApiV1WeatherNwsAlertAlertIdOptions = {baseUrl?: string | undefined, APIKeyHeader?: string | undefined, fetch?: typeof fetch | undefined};

export const nwsAlertPayload = z.object({id: z.string().nullable().optional(), sent: z.string().nullable().optional(), effective: z.string().nullable().optional(), onset: z.string().nullable().optional(), expires: z.string().nullable().optional(), ends: z.string().nullable().optional(), status: z.string().nullable().optional(), message_type: z.string().nullable().optional(), category: z.string().nullable().optional(), severity: z.string().nullable().optional(), certainty: z.string().nullable().optional(), urgency: z.string().nullable().optional(), response: z.string().nullable().optional(), event: z.string().nullable().optional(), sender: z.string().nullable().optional(), sender_name: z.string().nullable().optional(), headline: z.string().nullable().optional(), description: z.string().nullable().optional(), instruction: z.string().nullable().optional(), area_description: z.string().nullable().optional(), affected_zones: z.array(z.string().nullable()).optional(), geocode: z.record(z.string(), z.unknown()).optional(), parameters: z.record(z.string(), z.unknown()).optional(), geometry: z.record(z.string(), z.unknown()).nullable().optional()});

export const sugraMeta = z.object({endpoint: z.string(), data_time: z.string(), response_time: z.string(), provider: z.string(), data_age_days: z.number().nullable().optional(), source: z.string().nullable().optional(), attribution: z.string().nullable().optional(), source_url: z.string().nullable().optional(), citation: z.string().nullable().optional(), fallback_used: z.boolean().nullable().optional(), fallback_chain: z.array(z.string()).nullable().optional(), cached: z.boolean().nullable().optional(), stale: z.boolean().nullable().optional(), stale_since: z.string().nullable().optional(), period: z.string().nullable().optional(), notes: z.string().nullable().optional()});

export const envelopeNwsAlertPayload = z.object({data: nwsAlertPayload, meta: sugraMeta});

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
};

/**
 * Single NWS alert by identifier
 * 
 * GET /api/v1/weather/nws/alert/{alert_id}
 */
export const getApiApiV1WeatherNwsAlertAlertId = async (args: GetApiApiV1WeatherNwsAlertAlertIdArgs, options?: GetApiApiV1WeatherNwsAlertAlertIdOptions) => {
const {baseUrl = "https://sugra.ai", fetch: fetchFn = fetch, APIKeyHeader} = options ?? {}

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

if (APIKeyHeader !== undefined) headers.set("x-api-key", APIKeyHeader)

const url = `${baseUrl.replace(/\/+$/, '')}/api/v1/weather/nws/alert/${encodeURIComponent(String(args.alert_id))}${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(envelopeNwsAlertPayload, await res.json())
};