import { Schema } from "effect"; import {  DiscoveryTypingPayloadSchema,  OpenApiHttpMethodSchema,  OpenApiInvocationPayloadSchema,  OpenApiResponseVariantSchema,  OpenApiSecurityRequirementSchema,  OpenApiSecuritySchemeSchema,  OpenApiServerSchema,  OpenApiToolDocumentationSchema,  OpenApiToolProviderDataSchema,  type OpenApiExtractedTool,  type OpenApiToolManifest,} from "./openapi-types"; const VERSION_SEGMENT_REGEX = /^v\d+(?:[._-]\d+)?$/i;const IGNORED_PATH_SEGMENTS = new Set(["api"]); const splitWords = (value: string): Array<string> =>  value    .replace(/([a-z0-9])([A-Z])/g, "$1 $2")    .replace(/([A-Z]+)([A-Z][a-z0-9]+)/g, "$1 $2")    .replace(/[^a-zA-Z0-9]+/g, " ")    .trim()    .split(/\s+/)    .filter((part) => part.length > 0); const normalizeWord = (value: string): string => value.toLowerCase(); const toCamelCase = (value: string): string => {  const words = splitWords(value).map(normalizeWord);  if (words.length === 0) {    return "tool";  }   const [first, ...rest] = words;  return `${first}${rest.map((part) => `${part[0]?.toUpperCase() ?? ""}${part.slice(1)}`).join("")}`;}; const toPascalCase = (value: string): string => {  const camel = toCamelCase(value);  return `${camel[0]?.toUpperCase() ?? ""}${camel.slice(1)}`;}; const normalizeGroupSegment = (value: string | undefined): string | null => {  const candidate = value?.trim();  if (!candidate) {    return null;  }   return toCamelCase(candidate);}; const pathSegmentsFromTemplate = (pathTemplate: string): Array<string> =>  pathTemplate    .split("/")    .map((segment) => segment.trim())    .filter((segment) => segment.length > 0); const isPathParameterSegment = (segment: string): boolean =>  segment.startsWith("{") && segment.endsWith("}"); const deriveVersionSegment = (pathTemplate: string): string | undefined =>  pathSegmentsFromTemplate(pathTemplate)    .map((segment) => segment.toLowerCase())    .find((segment) => VERSION_SEGMENT_REGEX.test(segment)); const derivePathGroup = (pathTemplate: string): string => {  for (const segment of pathSegmentsFromTemplate(pathTemplate)) {    const lower = segment.toLowerCase();    if (VERSION_SEGMENT_REGEX.test(lower)) {      continue;    }    if (IGNORED_PATH_SEGMENTS.has(lower)) {      continue;    }    if (isPathParameterSegment(segment)) {      continue;    }     return normalizeGroupSegment(segment) ?? "root";  }   return "root";}; const splitOperationIdSegments = (value: string): Array<string> =>  value    .split(/[/.]+/)    .map((segment) => segment.trim())    .filter((segment) => segment.length > 0); const deriveLeafSeed = (tool: OpenApiExtractedTool, group: string): string => {  const preferredSource = tool.operationId ?? tool.toolId;  const segments = splitOperationIdSegments(preferredSource);  if (segments.length > 1) {    const [first, ...rest] = segments;    if ((normalizeGroupSegment(first) ?? first) === group && rest.length > 0) {      return rest.join(" ");    }  }   return preferredSource;}; const fallbackLeafSeed = (tool: OpenApiExtractedTool, group: string): string => {  const relevantSegments = pathSegmentsFromTemplate(tool.path)    .filter((segment) => !VERSION_SEGMENT_REGEX.test(segment.toLowerCase()))    .filter((segment) => !IGNORED_PATH_SEGMENTS.has(segment.toLowerCase()))    .filter((segment) => !isPathParameterSegment(segment))    .map((segment) => normalizeGroupSegment(segment) ?? segment)    .filter((segment) => segment !== group);   const segmentSuffix = relevantSegments    .map((segment) => toPascalCase(segment))    .join("");   return `${tool.method}${segmentSuffix || "Operation"}`;}; const deriveLeaf = (tool: OpenApiExtractedTool, group: string): string => {  const preferred = toCamelCase(deriveLeafSeed(tool, group));  if (preferred.length > 0 && preferred !== group) {    return preferred;  }   return toCamelCase(fallbackLeafSeed(tool, group));}; const defaultDescription = (tool: OpenApiExtractedTool): string =>  tool.description ?? `${tool.method.toUpperCase()} ${tool.path}`; export const OpenApiToolDefinitionSchema = Schema.Struct({  toolId: Schema.String,  rawToolId: Schema.String,  operationId: Schema.optional(Schema.String),  name: Schema.String,  description: Schema.String,  group: Schema.String,  leaf: Schema.String,  tags: Schema.Array(Schema.String),  versionSegment: Schema.optional(Schema.String),  method: OpenApiHttpMethodSchema,  path: Schema.String,  invocation: OpenApiInvocationPayloadSchema,  operationHash: Schema.String,  typing: Schema.optional(DiscoveryTypingPayloadSchema),  documentation: Schema.optional(OpenApiToolDocumentationSchema),  responses: Schema.optional(Schema.Array(OpenApiResponseVariantSchema)),  authRequirement: Schema.optional(OpenApiSecurityRequirementSchema),  securitySchemes: Schema.optional(Schema.Array(OpenApiSecuritySchemeSchema)),  documentServers: Schema.optional(Schema.Array(OpenApiServerSchema)),  servers: Schema.optional(Schema.Array(OpenApiServerSchema)),}); export type OpenApiToolDefinition = typeof OpenApiToolDefinitionSchema.Type; type MutableOpenApiToolDefinition = {  -readonly [Key in keyof OpenApiToolDefinition]: OpenApiToolDefinition[Key];}; const withResolvedToolIds = (  definitions: Array<Omit<OpenApiToolDefinition, "toolId">>,): Array<OpenApiToolDefinition> => {  const staged: Array<MutableOpenApiToolDefinition> = definitions.map((definition) => ({    ...definition,    toolId: `${definition.group}.${definition.leaf}`,  }));   const applyCandidates = (    candidates: Array<MutableOpenApiToolDefinition>,    factory: (definition: MutableOpenApiToolDefinition) => string,  ): void => {    const byToolId = new Map<string, Array<MutableOpenApiToolDefinition>>();    for (const candidate of candidates) {      const bucket = byToolId.get(candidate.toolId) ?? [];      bucket.push(candidate);      byToolId.set(candidate.toolId, bucket);    }     for (const bucket of byToolId.values()) {      if (bucket.length < 2) {        continue;      }       for (const definition of bucket) {        definition.toolId = factory(definition);      }    }  };   applyCandidates(staged, (definition) =>    definition.versionSegment      ? `${definition.group}.${definition.versionSegment}.${definition.leaf}`      : definition.toolId,  );   applyCandidates(staged, (definition) => {    const prefix = definition.versionSegment      ? `${definition.group}.${definition.versionSegment}`      : definition.group;    return `${prefix}.${definition.leaf}${toPascalCase(definition.method)}`;  });   applyCandidates(staged, (definition) => {    const prefix = definition.versionSegment      ? `${definition.group}.${definition.versionSegment}`      : definition.group;    return `${prefix}.${definition.leaf}${toPascalCase(definition.method)}${definition.operationHash.slice(0, 8)}`;  });   return staged;}; export const compileOpenApiToolDefinitions = (  manifest: OpenApiToolManifest,): Array<OpenApiToolDefinition> => {  const definitions = manifest.tools.map((tool) => {    const group = normalizeGroupSegment(tool.tags[0]) ?? derivePathGroup(tool.path);    const leaf = deriveLeaf(tool, group);     return {      rawToolId: tool.toolId,      operationId: tool.operationId,      name: tool.name,      description: defaultDescription(tool),      group,      leaf,      tags: [...tool.tags],      versionSegment: deriveVersionSegment(tool.path),      method: tool.method,      path: tool.path,      invocation: tool.invocation,      operationHash: tool.operationHash,      typing: tool.typing,      documentation: tool.documentation,      responses: tool.responses,      authRequirement: tool.authRequirement,      securitySchemes: tool.securitySchemes,      documentServers: tool.documentServers,      servers: tool.servers,    } satisfies Omit<OpenApiToolDefinition, "toolId">;  });   return withResolvedToolIds(definitions).sort((left, right) =>    left.toolId.localeCompare(right.toolId)    || left.rawToolId.localeCompare(right.rawToolId)    || left.operationHash.localeCompare(right.operationHash),  );}; export const openApiProviderDataFromDefinition = (  definition: OpenApiToolDefinition,): typeof OpenApiToolProviderDataSchema.Type => ({    kind: "openapi",    toolId: definition.toolId,    rawToolId: definition.rawToolId,    operationId: definition.operationId,    group: definition.group,    leaf: definition.leaf,    tags: definition.tags,    versionSegment: definition.versionSegment,    method: definition.method,    path: definition.path,    operationHash: definition.operationHash,    invocation: definition.invocation,    documentation: definition.documentation,    responses: definition.responses,    authRequirement: definition.authRequirement,    securitySchemes: definition.securitySchemes,    documentServers: definition.documentServers,    servers: definition.servers,  } satisfies typeof OpenApiToolProviderDataSchema.Type);