import {z} from 'zod'

export type GetApiSamplingPointPointNotationSampleSampleNotationObservationObservationNotationArgs = {pointNotation: string, sampleNotation: number, observationNotation: number, 'Accept-Crs'?: ('http://www.opengis.net/def/crs/EPSG/0/27700' | 'http://www.opengis.net/def/crs/EPSG/0/4326') | undefined, 'API-Version'?: string | undefined};

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

export const hydraViewModel = z.object({first: z.string().nullable().optional(), last: z.string().nullable().optional(), next: z.string().nullable().optional(), previous: z.string().nullable().optional()});

export const geometryModel = z.object({id: z.string(), "@type": z.string().optional(), asWKT: z.string()});

export const samplingPointRegionModel = z.record(z.string(), z.unknown());

export const samplingPointAreaModel = z.record(z.string(), z.unknown());

export const samplingPointSubAreaModel = z.record(z.string(), z.unknown());

export const samplingPointStatusModel = z.record(z.string(), z.unknown());

export const samplingPointTypeModel = z.record(z.string(), z.unknown());

export const samplingPointModelAbridged = z.object({id: z.string().nullable().optional(), "@type": z.array(z.string()).optional(), notation: z.string().nullable().optional(), hasObservations: z.string().nullable().optional(), prefLabel: z.string().nullable().optional(), altLabel: z.string().nullable().optional(), geometry: geometryModel.nullable().optional(), region: samplingPointRegionModel.nullable().optional(), area: samplingPointAreaModel.nullable().optional(), subArea: samplingPointSubAreaModel.nullable().optional(), samplingPointStatus: samplingPointStatusModel.nullable().optional(), samplingPointType: samplingPointTypeModel.nullable().optional()});

export const samplingPointModel = z.object({id: z.string(), "@type": z.array(z.string()).optional(), altLabel: z.string(), prefLabel: z.string().nullable().optional(), notation: z.string().nullable().optional(), hasObservations: z.string().nullable().optional(), geometry: geometryModel.nullable().optional(), samplingPointStatus: samplingPointStatusModel.nullable().optional(), samplingPointType: samplingPointTypeModel.nullable().optional(), region: samplingPointRegionModel.nullable().optional(), area: samplingPointAreaModel.nullable().optional(), subArea: samplingPointSubAreaModel.nullable().optional()});

export const sampleMaterialModel = z.record(z.string(), z.unknown());

export const sampleModelAbridged = z.object({id: z.string(), "@type": z.string().optional(), sampleMaterialType: sampleMaterialModel.nullable().optional()});

export const samplingPurposeModel = z.record(z.string(), z.unknown());

export const samplingModel = z.object({id: z.string(), "@type": z.string().optional(), samplingPurpose: z.union([samplingPurposeModel, z.string()]).nullable().optional(), resultDate: z.string().nullable().optional(), startTime: z.string().nullable().optional(), hasResult: z.union([z.lazy(() => sampleModel), sampleModelAbridged, z.string()]).nullable().optional(), hasFeatureOfInterest: z.union([samplingPointModel, z.string()]).nullable().optional()});

export const samplingModelAbridged = z.object({id: z.string(), "@type": z.string().optional(), samplingPurpose: z.union([samplingPurposeModel, z.string()]).nullable().optional()});

export const sampleModel: z.ZodType<SampleModel> = z.object({id: z.string(), "@type": z.string().optional(), sampleMaterialType: sampleMaterialModel.nullable().optional(), hasSamplingPoint: z.union([samplingPointModel, z.string()]).nullable().optional(), isResultOf: z.union([samplingModel, samplingModelAbridged, z.string()]).nullable().optional()});

export const unitModel = z.record(z.string(), z.unknown());

export const resultNumericModel = z.object({"@type": z.string().optional(), numericValue: z.union([z.number().int(), z.number()]).nullable().optional(), upperBound: z.union([z.number().int(), z.number()]).nullable().optional(), lowerBound: z.union([z.number().int(), z.number()]).nullable().optional(), hasUnit: unitModel.nullable().optional()});

export const resultCodedModel = z.record(z.string(), z.unknown());

export const observedPropertyModel = z.record(z.string(), z.unknown());

export const observationModel = z.object({id: z.string(), "@type": z.string().optional(), hasSamplingPoint: z.union([samplingPointModelAbridged, samplingPointModel, z.string()]).nullable().optional(), hasSample: z.union([sampleModelAbridged, sampleModel, z.string()]).nullable().optional(), phenomenonTime: z.string().nullable().optional(), hasSimpleResult: z.union([z.string(), z.number()]).nullable().optional(), hasUnit: z.string().nullable().optional(), hasResult: z.union([resultNumericModel, resultCodedModel]).nullable().optional(), observedProperty: z.union([observedPropertyModel, z.string()]).nullable().optional()});

export const hydraObservationModel = z.object({"@context": z.string().optional(), "@type": z.string().optional(), totalItems: z.number().int().optional(), view: hydraViewModel.nullable().optional(), member: z.array(observationModel)});

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 specific observation from its constituent notations
 * 
 * GET /sampling-point/{pointNotation}/sample/{sampleNotation}/observation/{observationNotation}
 */
export const getApiSamplingPointPointNotationSampleSampleNotationObservationObservationNotation = async (args: GetApiSamplingPointPointNotationSampleSampleNotationObservationObservationNotationArgs, options?: GetApiSamplingPointPointNotationSampleSampleNotationObservationObservationNotationOptions) => {
const {baseUrl = "https://environment.data.gov.uk/water-quality", fetch: fetchFn = fetch} = options ?? {}

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

if (args['Accept-Crs'] != null) headers.set("Accept-Crs", String(args['Accept-Crs']))
if (args['API-Version'] != null) headers.set("API-Version", String(args['API-Version']))

const url = `${baseUrl.replace(/\/+$/, '')}/sampling-point/${encodeURIComponent(String(args.pointNotation))}/sample/${encodeURIComponent(String(args.sampleNotation))}/observation/${encodeURIComponent(String(args.observationNotation))}${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(hydraObservationModel, await res.json())
};