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import { ZodEffects } from 'zod'
import { getRobotSchemaOptions, robotsMeta } from './alphalib/types/robots/_index.ts'
export type RobotListOptions = {
category?: string
search?: string
limit?: number
cursor?: string
}
export type RobotListItem = {
name: string
title?: string
summary: string
category?: string
}
export type RobotListResult = {
robots: RobotListItem[]
nextCursor?: string
}
export type RobotParamHelp = {
name: string
type: string
description?: string
}
export type RobotHelp = {
name: string
summary: string
requiredParams: RobotParamHelp[]
optionalParams: RobotParamHelp[]
examples?: Array<{ description: string; snippet: Record<string, unknown> }>
}
export type RobotHelpOptions = {
robotName: string
detailLevel?: 'summary' | 'params' | 'examples' | 'full'
}
type RobotsMetaMap = typeof robotsMeta
type RobotMeta = RobotsMetaMap[keyof RobotsMetaMap]
const isRecord = (value: unknown): value is Record<string, unknown> =>
typeof value === 'object' && value !== null
const getDef = (schema: z.ZodTypeAny): Record<string, unknown> =>
(schema as unknown as { _def?: Record<string, unknown>; def?: Record<string, unknown> })._def ??
(schema as unknown as { def?: Record<string, unknown> }).def ??
{}
const getDefType = (def: Record<string, unknown>): string | undefined =>
(def.type as string | undefined) ?? (def.typeName as string | undefined)
const robotNameToPath = (name: string): string => {
const base = name.replace(/Robot$/, '')
const spaced = base
.replace(/([a-z0-9])([A-Z])/g, '$1 $2')
.replace(/([A-Z]+)([A-Z][a-z0-9])/g, '$1 $2')
const parts = spaced.split(/\s+/).filter(Boolean)
return `/${parts.map((part) => part.toLowerCase()).join('/')}`
}
const selectSummary = (meta: RobotMeta): string =>
meta.purpose_sentence ?? meta.purpose_words ?? meta.purpose_word ?? meta.title ?? meta.name
const resolveRobotPath = (robotName: string): string =>
robotName.startsWith('/') ? robotName : robotNameToPath(robotName)
const unwrapSchema = (schema: z.ZodTypeAny): { base: z.ZodTypeAny; optional: boolean } => {
let base = schema
let optional = typeof base.isOptional === 'function' ? base.isOptional() : false
while (true) {
// Preprocessing changes accepted inputs, while help still needs the underlying choices.
if (base instanceof ZodEffects) {
base = base.innerType()
continue
}
const def = getDef(base)
const defType = getDefType(def)
if (
defType === 'optional' ||
defType === 'default' ||
defType === 'nullable' ||
defType === 'catch' ||
defType === 'ZodOptional' ||
defType === 'ZodDefault' ||
defType === 'ZodNullable' ||
defType === 'ZodCatch'
) {
const inner = def.innerType as z.ZodTypeAny | undefined
Eif (inner) {
base = inner
if (defType !== 'nullable' && defType !== 'ZodNullable') {
optional = true
}
continue
}
}
break
}
return { base, optional }
}
const describeSchemaType = (schema: z.ZodTypeAny): string => {
const { base } = unwrapSchema(schema)
const def = getDef(base)
const defType = getDefType(def)
switch (defType) {
case 'string':
case 'ZodString':
return 'string'
case 'number':
case 'ZodNumber':
return 'number'
case 'boolean':
case 'ZodBoolean':
return 'boolean'
case 'bigint':
case 'ZodBigInt':
return 'bigint'
case 'literal':
case 'ZodLiteral': {
const value = (def.values as unknown[] | undefined)?.[0] ?? def.value
return value === undefined ? 'literal' : JSON.stringify(value)
}
case 'enum':
case 'ZodEnum': {
const values = Array.isArray(def.values) ? def.values : []
return values.length ? `enum(${values.join(' | ')})` : 'enum'
}
case 'array':
case 'ZodArray': {
const element = def.element as z.ZodTypeAny | undefined
const inner = element ? describeSchemaType(element) : 'unknown'
return `array<${inner}>`
}
case 'object':
case 'ZodObject':
return 'object'
case 'record':
case 'ZodRecord':
return 'record'
case 'union':
case 'ZodUnion': {
const options = Array.isArray(def.options) ? def.options : []
const rendered = options
.map((option) => describeSchemaType(option as z.ZodTypeAny))
.join(' | ')
return rendered ? `union<${rendered}>` : 'union'
}
case 'ZodDiscriminatedUnion':
return 'object'
default:
return defType ?? 'unknown'
}
}
const getParamDescription = (schema: z.ZodTypeAny): string | undefined => {
if (schema.description?.trim()) {
return schema.description.trim()
}
const inner = unwrapSchema(schema).base
return inner.description?.trim()
}
const getShape = (schema: z.ZodTypeAny): Record<string, z.ZodTypeAny> => {
const { base } = unwrapSchema(schema)
const def = getDef(base)
const shape = def.shape as
| Record<string, z.ZodTypeAny>
| (() => Record<string, z.ZodTypeAny>)
| undefined
Eif (typeof shape === 'function') {
return shape()
}
return shape ?? {}
}
const getRobotParams = (
schema: z.ZodTypeAny,
): { required: RobotParamHelp[]; optional: RobotParamHelp[] } => {
const shape = getShape(schema)
const required: RobotParamHelp[] = []
const optional: RobotParamHelp[] = []
for (const [key, value] of Object.entries(shape)) {
if (key === 'robot') continue
const { optional: isOptional } = unwrapSchema(value)
const param: RobotParamHelp = {
name: key,
type: describeSchemaType(value),
description: getParamDescription(value),
}
if (isOptional) {
optional.push(param)
} else {
required.push(param)
}
}
return { required, optional }
}
const getRobotsMetaIndex = (): {
byName: Map<string, RobotMeta>
byPath: Map<string, RobotMeta>
} => {
const byName = new Map<string, RobotMeta>()
const byPath = new Map<string, RobotMeta>()
for (const meta of Object.values(robotsMeta)) {
byName.set(meta.name, meta)
byPath.set(robotNameToPath(meta.name), meta)
}
return { byName, byPath }
}
const getRobotSchemaIndex = (): Map<string, z.ZodTypeAny> => {
const index = new Map<string, z.ZodTypeAny>()
for (const option of getRobotSchemaOptions()) {
const shape = getShape(option)
const robotSchema = shape.robot
Iif (!robotSchema) continue
const robotDef = getDef(robotSchema)
const robotLiteral = (robotDef.values as unknown[] | undefined)?.[0] ?? robotDef.value
Eif (typeof robotLiteral === 'string') {
index.set(robotLiteral, option)
}
}
return index
}
let cachedMetaIndex: ReturnType<typeof getRobotsMetaIndex> | null = null
let cachedSchemaIndex: ReturnType<typeof getRobotSchemaIndex> | null = null
const getMetaIndex = (): ReturnType<typeof getRobotsMetaIndex> => {
if (!cachedMetaIndex) {
cachedMetaIndex = getRobotsMetaIndex()
}
return cachedMetaIndex
}
const getSchemaIndex = (): ReturnType<typeof getRobotSchemaIndex> => {
if (!cachedSchemaIndex) {
cachedSchemaIndex = getRobotSchemaIndex()
}
return cachedSchemaIndex
}
export const listRobots = (options: RobotListOptions = {}): RobotListResult => {
const normalizedSearch = options.search?.toLowerCase()
const normalizedCategory = options.category?.toLowerCase()
const { byPath } = getMetaIndex()
const allRobots: RobotListItem[] = Array.from(byPath.entries()).map(([path, meta]) => ({
name: path,
title: meta.title,
summary: selectSummary(meta),
category: meta.service_slug,
}))
const filtered = allRobots
.filter((robot) => {
Iif (normalizedCategory && robot.category?.toLowerCase() !== normalizedCategory) {
return false
}
Iif (!normalizedSearch) return true
const haystack = `${robot.name} ${robot.title ?? ''} ${robot.summary}`.toLowerCase()
return haystack.includes(normalizedSearch)
})
.sort((a, b) => a.name.localeCompare(b.name))
const start = options.cursor ? Number.parseInt(options.cursor, 10) : 0
const safeStart = Number.isFinite(start) && start > 0 ? start : 0
const safeLimit = options.limit && options.limit > 0 ? options.limit : 200
const page = filtered.slice(safeStart, safeStart + safeLimit)
const nextCursor =
safeStart + safeLimit < filtered.length ? String(safeStart + safeLimit) : undefined
return {
robots: page,
nextCursor,
}
}
export const getRobotHelp = (options: RobotHelpOptions): RobotHelp => {
const detailLevel = options.detailLevel ?? 'summary'
const { byPath, byName } = getMetaIndex()
const schemaIndex = getSchemaIndex()
const path = resolveRobotPath(options.robotName)
const meta = byPath.get(path) ?? byName.get(options.robotName) ?? null
const summary = meta ? selectSummary(meta) : `Robot ${path}`
const schema = schemaIndex.get(path)
const params = schema ? getRobotParams(schema) : { required: [], optional: [] }
const help: RobotHelp = {
name: path,
summary,
requiredParams: detailLevel === 'params' || detailLevel === 'full' ? params.required : [],
optionalParams: detailLevel === 'params' || detailLevel === 'full' ? params.optional : [],
}
Eif ((detailLevel === 'examples' || detailLevel === 'full') && meta?.example_code) {
const snippet = isRecord(meta.example_code) ? meta.example_code : {}
help.examples = [
{
description: meta.example_code_description ?? 'Example',
snippet,
},
]
}
return help
}
export const isKnownRobot = (robotName: string): boolean => {
const { byPath, byName } = getMetaIndex()
const schemaIndex = getSchemaIndex()
const path = resolveRobotPath(robotName)
return byPath.has(path) || byName.has(robotName) || schemaIndex.has(path)
}
|