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 ExtendedPointId = number | string;

export type PayloadSelectorInclude = {include: Array<string>};

export type PayloadSelectorExclude = {exclude: Array<string>};

export type PayloadSelector = PayloadSelectorInclude | PayloadSelectorExclude;

export type WithPayloadInterface = boolean | Array<string> | PayloadSelector;

export type WithVector = boolean | Array<string>;

export type PointRequest = {shard_key?: (ShardKeySelector | unknown) | undefined, ids: Array<ExtendedPointId>, with_payload?: (WithPayloadInterface | unknown) | undefined, with_vector?: WithVector | undefined};

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

export type CreateApiCollectionsCollectionNamePointsOptions = {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 payload = z.record(z.string(), z.unknown());

export const sparseVector = z.object({indices: z.array(z.number().int().gte(0)), values: z.array(z.number())});

export const vectorOutput = z.union([z.array(z.number()), sparseVector, z.array(z.array(z.number()))]);

export const vectorStructOutput = z.union([z.array(z.number()), z.array(z.array(z.number())), z.record(z.string(), vectorOutput)]);

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

export const orderValue = z.union([z.number().int(), z.number()]);

export const record = z.object({id: extendedPointId, payload: z.union([payload, z.unknown()]).optional(), vector: z.union([vectorStructOutput, z.unknown()]).optional(), shard_key: z.union([shardKey, z.unknown()]).optional(), order_value: z.union([orderValue, z.unknown()]).optional()});

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

/**
 * Get points
 * 
 * POST /collections/{collection_name}/points
 * 
 * Also accepts auth: bearerAuth
 */
export const createApiCollectionsCollectionNamePoints = async (args: CreateApiCollectionsCollectionNamePointsArgs, options?: CreateApiCollectionsCollectionNamePointsOptions) => {
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/${encodeURIComponent(String(args.collection_name))}/points${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(createApiCollectionsCollectionNamePointsResponse, await res.json())
};