import {z} from 'zod'

export type GetApiV0PlatformMetricsIdArgs = {id: string};

export type GetApiV0PlatformMetricsIdOptions = {baseUrl?: string | undefined, APIKey?: string | undefined, fetch?: typeof fetch | undefined};

export const assetIDTarget = z.object({type: z.literal("asset_id"), identifier: z.string()});

export const contractCallMetric = z.object({type: z.literal("contract_call"), target: assetIDTarget, function_name: z.string(), function_args: z.array(z.string()).optional(), return_field_index: z.number().int().optional()});

export const readObjectMetric = z.object({type: z.literal("read_object"), target: assetIDTarget, field_path: z.string()});

export const hMACAuthentication = z.object({type: z.literal("hmac"), hmac_secret: z.string()});

export const authorizationHeaderAuthentication = z.object({type: z.literal("authorization_header"), value: z.string()});

export const aPIKeyAuthorization = z.object({type: z.literal("api_key"), header_name: z.string(), api_key: z.string()});

export const basicAuth = z.object({type: z.literal("basic_auth"), username: z.string(), password: z.string()});

export const authentication = z.union([hMACAuthentication, authorizationHeaderAuthentication, aPIKeyAuthorization, basicAuth]);

export const aPICallMetric = z.object({type: z.literal("api_call"), url: z.string(), method: z.enum(["GET", "POST"]), authentication: authentication.optional(), query_params: z.object({}).optional(), content_type: z.enum(["application/json", "text/plain"]), extra_headers: z.object({}).optional(), sample_interval_seconds: z.number().int(), field_path: z.string(), body: z.string().optional()});

export const assetTagTarget = z.object({type: z.literal("asset_tag"), identifier: z.string()});

export const transferMetric = z.object({type: z.literal("transfer"), from: z.object({operator: z.enum(["in", "not_in"]), target: z.array(z.union([assetTagTarget, assetIDTarget]))}), to: z.object({operator: z.enum(["in", "not_in"]), target: z.array(z.union([assetTagTarget, assetIDTarget]))})});

export const computedMetric = z.object({type: z.literal("computed_metric"), metrics: z.array(z.object({symbol: z.string(), metric_id: z.string()})), formula: z.string()});

export const eventMetric = z.object({type: z.literal("event_metric"), target: assetIDTarget, event_name: z.string(), output_field: z.string(), event_filters: z.array(z.object({parameter_name: z.string(), parameter_value: z.union([z.string(), z.number().int()])})).optional()});

export const solanaAccountInfoReadMetric = z.object({type: z.literal("solana_account_info_read"), target: assetIDTarget, abi: z.object({metadata: z.object({offset: z.number().int(), length: z.number().int()}), field_path: z.string()})});

export const solanaInstructionMetric = z.object({type: z.literal("solana_instruction"), target: assetIDTarget, instruction_name: z.string(), output_field: z.string(), instruction_filters: z.array(z.object({parameter_name: z.string(), parameter_value: z.string()})).optional()});

export const metricsResponse = z.union([contractCallMetric, readObjectMetric, aPICallMetric, transferMetric, computedMetric, eventMetric, solanaAccountInfoReadMetric, solanaInstructionMetric]);

export const metricObject = z.object({kind: z.literal("metric"), id: z.string(), name: z.string(), data: metricsResponse, created_at: z.string(), added_by: z.string(), skipped_asset_ids: z.array(z.string()).nullable().optional()});

export const assetLabelTarget = z.object({type: z.literal("asset_label"), identifier: z.string()});

export const assetIDExcludeTarget = z.object({type: z.literal("exclude_asset_id"), identifier: z.string()});

export const metricParentObject = z.object({kind: z.literal("metric_parent"), id: z.string(), name: z.string(), sampler_type: z.string().nullable().optional(), runtime: z.string().nullable().optional(), target: z.array(z.union([assetIDTarget, assetTagTarget, assetLabelTarget, assetIDExcludeTarget])), data: metricsResponse.optional(), function_signature: z.string().nullable().optional(), created_at: z.string(), added_by: z.string().nullable().optional(), skipped_asset_ids: z.array(z.string()).nullable().optional()});

export const getApiV0PlatformMetricsIdResponse = z.discriminatedUnion("kind", [metricObject, metricParentObject]);

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 Metric
 * 
 * GET /v0/platform/metrics/{id}
 * 
 * Also accepts auth: ClientID, JWT
 */
export const getApiV0PlatformMetricsId = async (args: GetApiV0PlatformMetricsIdArgs, options?: GetApiV0PlatformMetricsIdOptions) => {
const {baseUrl = "https://api.blockaid.io", fetch: fetchFn = fetch, APIKey} = options ?? {}

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

if (APIKey !== undefined) headers.set("X-API-Key", APIKey)

const url = `${baseUrl.replace(/\/+$/, '')}/v0/platform/metrics/${encodeURIComponent(String(args.id))}${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(getApiV0PlatformMetricsIdResponse, await res.json())
};