import {z} from 'zod'

export type ReadConsistencyType = 'majority' | 'quorum' | 'all';

export type ReadConsistency = number | ReadConsistencyType;

export type ShardKey = string | number;

export type ShardKeyWithFallback = {target: ShardKey, fallback: ShardKey};

export type ShardKeySelector = ShardKey | Array<ShardKey> | ShardKeyWithFallback;

export type ValueVariants = string | number | boolean;

export type MatchValue = {value: ValueVariants};

export type MatchText = {text: string};

export type MatchTextAny = {text_any: string};

export type MatchPhrase = {phrase: string};

export type MatchPrefix = {prefix: string};

export type MatchSubstring = {substring: string};

export type AnyVariants = Array<string> | Array<number>;

export type MatchAny = {any: AnyVariants};

export type MatchExcept = {except: AnyVariants};

export type Match = MatchValue | MatchText | MatchTextAny | MatchPhrase | MatchPrefix | MatchSubstring | MatchAny | MatchExcept;

export type Range = {lt?: (number | null) | undefined, gt?: (number | null) | undefined, gte?: (number | null) | undefined, lte?: (number | null) | undefined};

export type DatetimeRange = {lt?: (string | null) | undefined, gt?: (string | null) | undefined, gte?: (string | null) | undefined, lte?: (string | null) | undefined};

export type RangeInterface = Range | DatetimeRange;

export type GeoPoint = {lon: number, lat: number};

export type GeoBoundingBox = {top_left: GeoPoint, bottom_right: GeoPoint};

export type GeoRadius = {center: GeoPoint, radius: number};

export type GeoLineString = {points: Array<GeoPoint>};

export type GeoPolygon = {exterior: GeoLineString, interiors?: (Array<GeoLineString> | null) | undefined};

export type ValuesCount = {lt?: (number | null) | undefined, gt?: (number | null) | undefined, gte?: (number | null) | undefined, lte?: (number | null) | undefined};

export type FieldCondition = {key: string, match?: (Match | unknown) | undefined, range?: (RangeInterface | unknown) | undefined, geo_bounding_box?: (GeoBoundingBox | unknown) | undefined, geo_radius?: (GeoRadius | unknown) | undefined, geo_polygon?: (GeoPolygon | unknown) | undefined, values_count?: (ValuesCount | unknown) | undefined, is_empty?: (boolean | null) | undefined, is_null?: (boolean | null) | undefined};

export type PayloadField = {key: string};

export type IsEmptyCondition = {is_empty: PayloadField};

export type IsNullCondition = {is_null: PayloadField};

export type ExtendedPointId = number | string;

export type HasIdCondition = {has_id: Array<ExtendedPointId>};

export type HasVectorCondition = {has_vector: string};

export type Slice = {total: number, index: number};

export type SliceCondition = {slice: Slice};

export type Nested = {key: string, filter: Filter};

export type NestedCondition = {nested: Nested};

export type Condition = FieldCondition | IsEmptyCondition | IsNullCondition | HasIdCondition | HasVectorCondition | SliceCondition | NestedCondition | Filter;

export type MinShould = {conditions: Array<Condition>, min_count: number};

export type Filter = {should?: (Condition | Array<Condition> | unknown) | undefined, min_should?: (MinShould | unknown) | undefined, must?: (Condition | Array<Condition> | unknown) | undefined, must_not?: (Condition | Array<Condition> | unknown) | undefined};

export type SearchMatrixRequest = {shard_key?: (ShardKeySelector | unknown) | undefined, filter?: (Filter | unknown) | undefined, sample?: (number | null) | undefined, limit?: (number | null) | undefined, using?: (string | null) | undefined};

export type CreateApiCollectionsCollectionNamePointsSearchMatrixPairsArgs = {collection_name: string, consistency?: ReadConsistency | undefined, timeout?: number | undefined, body: SearchMatrixRequest};

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

export const hardwareUsage = z.object({cpu: z.number().int().gte(0), payload_io_read: z.number().int().gte(0), payload_io_write: z.number().int().gte(0), payload_index_io_read: z.number().int().gte(0), payload_index_io_write: z.number().int().gte(0), vector_io_read: z.number().int().gte(0), vector_io_write: z.number().int().gte(0)});

export const modelUsage = z.object({tokens: z.number().int().gte(0)});

export const inferenceUsage = z.object({models: z.record(z.string(), modelUsage)});

export const usage = z.object({hardware: z.union([hardwareUsage, z.unknown()]).optional(), inference: z.union([inferenceUsage, z.unknown()]).optional()});

export const extendedPointId = z.union([z.number().int().gte(0), z.string()]);

export const searchMatrixPair = z.object({a: extendedPointId, b: extendedPointId, score: z.number()});

export const searchMatrixPairsResponse = z.object({pairs: z.array(searchMatrixPair)});

export const createApiCollectionsCollectionNamePointsSearchMatrixPairsResponse = z.object({usage: z.union([usage, z.unknown()]).optional(), time: z.number().optional(), status: z.string().optional(), result: searchMatrixPairsResponse.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
};

/**
 * Search points matrix distance pairs
 * 
 * POST /collections/{collection_name}/points/search/matrix/pairs
 * 
 * Also accepts auth: bearerAuth
 */
export const createApiCollectionsCollectionNamePointsSearchMatrixPairs = async (args: CreateApiCollectionsCollectionNamePointsSearchMatrixPairsArgs, options?: CreateApiCollectionsCollectionNamePointsSearchMatrixPairsOptions) => {
const {baseUrl = "http://localhost:6333", fetch: fetchFn = fetch, apiKey} = options ?? {}

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

if (args.consistency != null) query.append("consistency", String(args.consistency))
if (args.timeout != null) query.append("timeout", String(args.timeout))
if (apiKey !== undefined) headers.set("api-key", apiKey)

const url = `${baseUrl.replace(/\/+$/, '')}/collections/${encodeURIComponent(String(args.collection_name))}/points/search/matrix/pairs${query.size > 0 ? `?${query}` : ''}`

const res = await fetchFn(url, {method: "POST", headers, body: JSON.stringify(args.body)})

if (!res.ok) throw new Error(`Request failed with status ${res.status}`, {cause: {status: res.status, body: await res.text()}})

return validateResponse(createApiCollectionsCollectionNamePointsSearchMatrixPairsResponse, await res.json())
};