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/**
* Generic prompt rendering and environment transitions for the CLI setup catalog.
*
* @packageDocumentation
*/
import {
EnvCapabilityConfigurationError,
type EnvCapabilityValue,
type EnvCapabilityValues,
getProviderFields,
hasEnvCapabilityValue,
inspectCapability,
isTruthyEnvCapabilityValue,
validateCapabilityFieldInput,
} from '@sim/deployment-config/env-capabilities'
import {
type CapabilitySetupDefinition,
matchesSetupCondition,
type SetupCondition,
type SetupHint,
type SetupPrompt,
} from './capability-config'
import * as p from './prompter'
export interface CapabilitySetupContext {
containerized: boolean
}
export interface EnvCapabilitySetupTransition {
values: Record<string, string>
remove: readonly string[]
}
interface ResolvedSetupOption {
id: string
label: string
hint?: SetupHint
kind: 'provider' | 'default' | 'action'
providerId?: string
env: Readonly<Record<string, string>>
prompts: readonly SetupPrompt[]
currentWhen?: SetupCondition
}
interface PromptState {
setup: CapabilitySetupDefinition
optionId: string
currentValues: ReadonlyMap<string, string>
values: Record<string, string>
}
const SKIP_OPTION_ID = '__skip-capability-setup__'
/** Stages a capability transition into a larger setup run without losing prompt context. */
export function stageCapabilitySetupTransition(
currentValues: Map<string, string>,
values: Record<string, string>,
remove: Set<string>,
transition: EnvCapabilitySetupTransition
): void {
for (const key of transition.remove) {
currentValues.delete(key)
Reflect.deleteProperty(values, key)
remove.add(key)
}
for (const [key, value] of Object.entries(transition.values)) {
currentValues.set(key, value)
values[key] = value
remove.delete(key)
}
}
function resolveHint(
hint: SetupHint | undefined,
context: CapabilitySetupContext
): string | undefined {
if (!hint || typeof hint === 'string') return hint
return context.containerized ? hint.containerized : hint.development
}
/** Adds the standard status marker without discarding an option's explanatory hint. */
export function markCurrentlyUsed(hint: string | undefined, current: boolean): string | undefined {
if (!current) return hint
return hint ? `${hint} · Currently used` : 'Currently used'
}
function promptKeys(prompts: readonly SetupPrompt[] = []): string[] {
return prompts.flatMap((prompt) => {
if (prompt.type === 'field' || prompt.type === 'confirm') return [prompt.key]
return prompt.options.flatMap((option) => [
...Object.keys(option.env ?? {}),
...promptKeys(option.prompts),
])
})
}
function providerSetupFields(
setup: CapabilitySetupDefinition,
providerId: string
): readonly string[] {
const provider = setup.definition.providers.find((candidate) => candidate.id === providerId)
if (!provider) throw new Error(`Capability ${setup.definition.id} has no provider ${providerId}`)
const providerSetup = setup.providers[providerId]
if (!providerSetup) throw new Error(`Setup ${setup.definition.id} has no provider ${providerId}`)
return [
...(provider.activation.mode === 'enabled' ? [provider.activation.key] : []),
...Object.keys(providerSetup.env ?? {}),
...promptKeys(providerSetup.prompts),
]
}
/** Returns fields the setup flow writes or prompts for, including inferred selectors and flags. */
export function getCapabilitySetupFields(setup: CapabilitySetupDefinition): readonly string[] {
return [
...new Set([
...(setup.definition.strategy === 'selected' && setup.definition.selectorKey
? [setup.definition.selectorKey]
: []),
...setup.definition.providers.flatMap((provider) =>
provider.activation.mode === 'enabled' ? [provider.activation.key] : []
),
...Object.entries(setup.providers).flatMap(([providerId]) =>
providerSetupFields(setup, providerId)
),
...Object.values(setup.actions).flatMap((action) => Object.keys(action.env ?? {})),
]),
]
}
/** Expands the runtime providers and CLI-only actions into renderable options. */
export function getCapabilitySetupOptions(
setup: CapabilitySetupDefinition
): readonly ResolvedSetupOption[] {
const definition = setup.definition
const options: ResolvedSetupOption[] = definition.providers.map((provider) => {
const providerSetup = setup.providers[provider.id]
if (!providerSetup) throw new Error(`Setup ${definition.id} has no provider ${provider.id}`)
return {
id: provider.id,
label: provider.label,
hint: providerSetup.hint,
kind: 'provider',
providerId: provider.id,
env: providerSetup.env ?? {},
prompts: providerSetup.prompts,
currentWhen: providerSetup.currentWhen,
}
})
if (definition.strategy === 'selected' && definition.defaultProvider.kind === 'built-in') {
options.push({
id: definition.defaultProvider.id,
label: definition.defaultProvider.label,
hint: setup.defaultOption?.hint,
kind: 'default',
env: {},
prompts: [],
})
}
for (const [id, action] of Object.entries(setup.actions)) {
options.push({
id,
label: action.label,
hint: action.hint,
kind: 'action',
env: action.env ?? {},
prompts: [],
currentWhen: action.currentWhen,
})
}
const byId = new Map(options.map((option) => [option.id, option]))
return setup.optionOrder.map((id) => {
const option = byId.get(String(id))
if (!option) throw new Error(`Setup ${definition.id} option order references ${String(id)}`)
return option
})
}
/** Resolves the setup option representing the effective current configuration, if one exists. */
export function resolveCurrentCapabilitySetupOptionId(
setup: CapabilitySetupDefinition,
values: EnvCapabilityValues
): string | undefined {
const options = getCapabilitySetupOptions(setup)
const explicitAction = options.find(
(option) =>
option.kind === 'action' &&
option.currentWhen &&
matchesSetupCondition(option.currentWhen, values)
)
if (explicitAction) return explicitAction.id
const inspection = inspectCapability(setup.definition, values)
const selectedProviderId =
inspection.strategy === 'selected'
? (inspection.providerId ?? inspection.providers.find((provider) => provider.active)?.id)
: (inspection.providerIds[0] ?? inspection.providers.find((provider) => provider.active)?.id)
if (selectedProviderId) {
const provider = options.find(
(option) =>
option.kind === 'provider' &&
option.providerId === selectedProviderId &&
(!option.currentWhen || matchesSetupCondition(option.currentWhen, values))
)
if (provider) return provider.id
}
if (
setup.definition.strategy === 'selected' &&
setup.definition.defaultProvider.kind === 'built-in'
) {
return setup.definition.defaultProvider.id
}
const firstAction = options.find((option) => option.kind === 'action')
if (firstAction) return firstAction.id
if (options.length === 0) {
throw new Error(`Capability ${setup.definition.id} has no setup options`)
}
return undefined
}
/** Applies selector and activation inference to the CLI-entered values. */
export function getCapabilitySetupDraftValues(
setup: CapabilitySetupDefinition,
optionId: string,
promptedValues: Readonly<Record<string, string>>
): Record<string, string> {
const definition = setup.definition
const option = getCapabilitySetupOptions(setup).find((candidate) => candidate.id === optionId)
if (!option) throw new Error(`Capability ${definition.id} has no setup option ${optionId}`)
const values: Record<string, string> = { ...option.env }
if (definition.strategy === 'selected' && definition.selectorKey) {
if (option.providerId) values[definition.selectorKey] = option.providerId
else if (option.kind === 'default' && option.id === definition.defaultProvider.id) {
values[definition.selectorKey] = option.id
}
}
for (const provider of definition.providers) {
if (provider.activation.mode !== 'enabled') continue
values[provider.activation.key] = provider.id === option.providerId ? 'true' : 'false'
}
Object.assign(values, promptedValues)
return values
}
function copyValues(values: EnvCapabilityValues): Record<string, EnvCapabilityValue> {
return values instanceof Map
? Object.fromEntries(values)
: { ...(values as Readonly<Record<string, EnvCapabilityValue>>) }
}
function fieldsToReplace(
setup: CapabilitySetupDefinition,
option: ResolvedSetupOption
): readonly string[] {
if (setup.definition.strategy === 'fallback' && option.providerId) {
return providerSetupFields(setup, option.providerId)
}
const selectedProviderFields = new Set(
setup.definition.providers
.filter((provider) => provider.id === option.providerId)
.flatMap(getProviderFields)
)
const inactiveProviderFields = setup.definition.providers
.filter((provider) => provider.id !== option.providerId)
.flatMap(getProviderFields)
.filter((field) => !selectedProviderFields.has(field))
return [...new Set([...getCapabilitySetupFields(setup), ...inactiveProviderFields])]
}
function proposedCapabilitySetupValues(
setup: CapabilitySetupDefinition,
option: ResolvedSetupOption,
values: Readonly<Record<string, string>>,
currentValues: EnvCapabilityValues
): Record<string, EnvCapabilityValue> {
const proposed = copyValues(currentValues)
for (const key of fieldsToReplace(setup, option)) Reflect.deleteProperty(proposed, key)
Object.assign(proposed, values)
return proposed
}
/** Returns provider requirements discovered after earlier prompts have been answered. */
export function getCapabilitySetupProviderMissingFields(
setup: CapabilitySetupDefinition,
optionId: string,
promptedValues: Readonly<Record<string, string>>,
currentValues: EnvCapabilityValues
): readonly string[] {
const option = getCapabilitySetupOptions(setup).find((candidate) => candidate.id === optionId)
if (!option?.providerId) return []
const values = getCapabilitySetupDraftValues(setup, optionId, promptedValues)
const inspection = inspectCapability(
setup.definition,
proposedCapabilitySetupValues(setup, option, values, currentValues)
)
return (
inspection.providers.find((provider) => provider.id === option.providerId)?.missingFields ?? []
)
}
/** Builds and validates the complete environment transition for one setup option. */
export function buildCapabilitySetupTransition(
setup: CapabilitySetupDefinition,
optionId: string,
promptedValues: Readonly<Record<string, string>>,
currentValues: EnvCapabilityValues
): EnvCapabilitySetupTransition {
const definition = setup.definition
const option = getCapabilitySetupOptions(setup).find((candidate) => candidate.id === optionId)
if (!option) throw new Error(`Capability ${definition.id} has no setup option ${optionId}`)
const values = getCapabilitySetupDraftValues(setup, optionId, promptedValues)
const ownedFields = getCapabilitySetupFields(setup)
const unexpected = Object.keys(values).filter((key) => !ownedFields.includes(key))
if (unexpected.length > 0) {
throw new Error(
`Capability ${definition.id} setup produced unowned fields: ${unexpected.join(', ')}`
)
}
const replacedFields = fieldsToReplace(setup, option)
const remove = replacedFields.filter((key) => !Object.hasOwn(values, key))
const proposed = proposedCapabilitySetupValues(setup, option, values, currentValues)
const inspection = inspectCapability(definition, proposed)
if (inspection.error) throw inspection.error
if (option.providerId) {
const provider = inspection.providers.find((candidate) => candidate.id === option.providerId)
if (!provider || provider.state !== 'ready') {
throw new EnvCapabilityConfigurationError(
definition.id,
`${definition.label} setup option ${option.id} did not configure ${option.providerId}`
)
}
if (inspection.strategy === 'selected' && inspection.providerId !== option.providerId) {
throw new EnvCapabilityConfigurationError(
definition.id,
`${definition.label} setup selected ${inspection.providerId ?? 'nothing'} instead of ${option.providerId}`
)
}
} else {
const activeProvider = inspection.providers.find((provider) => provider.active)
if (activeProvider) {
throw new EnvCapabilityConfigurationError(
definition.id,
`${definition.label} setup option ${option.id} left ${activeProvider.id} active`
)
}
}
return { values, remove }
}
function proposedPromptValues(state: PromptState): EnvCapabilityValues {
const option = getCapabilitySetupOptions(state.setup).find(
(candidate) => candidate.id === state.optionId
)
if (!option) {
throw new Error(`Capability ${state.setup.definition.id} has no setup option ${state.optionId}`)
}
return proposedCapabilitySetupValues(
state.setup,
option,
getCapabilitySetupDraftValues(state.setup, state.optionId, state.values),
state.currentValues
)
}
function shouldRenderPrompt(prompt: SetupPrompt, state: PromptState): boolean {
if (!prompt.when) return true
if (prompt.when.kind === 'provider-missing-field') {
return getCapabilitySetupProviderMissingFields(
state.setup,
state.optionId,
state.values,
state.currentValues
).includes(prompt.when.key)
}
return matchesSetupCondition(prompt.when, proposedPromptValues(state))
}
/** Formats current-value status without ever rendering the configured value. */
export function formatCapabilitySetupFieldMessage(
prompt: Extract<SetupPrompt, { type: 'field' }>,
current: boolean,
keepExisting = false
): string {
const label = prompt.message ?? prompt.key
const status = current ? ' (Currently used)' : ''
const hint = prompt.hint ? ` — ${prompt.hint}` : ''
const preservation = current && keepExisting ? '; leave empty to keep it' : ''
return `${label}${status}${hint}${preservation}`
}
async function promptField(
prompt: Extract<SetupPrompt, { type: 'field' }>,
state: PromptState
): Promise<void> {
const existing = state.currentValues.get(prompt.key)
const current = hasEnvCapabilityValue(state.currentValues, prompt.key)
const draft = getCapabilitySetupDraftValues(state.setup, state.optionId, state.values)
/**
* A configured value is only offered back when it is valid for the provider
* being configured. Switching families otherwise pre-fills the previous
* family's model, and accepting the displayed value silently keeps it — the
* transition then rejects the provider the operator just chose.
*/
const reusableExisting =
existing !== undefined &&
validateCapabilityFieldInput(state.setup.definition, prompt.key, existing, state.optionId) ===
undefined
? existing
: undefined
const initialValue = reusableExisting ?? draft[prompt.key] ?? prompt.defaultValue
const validate = (value: string): string | undefined => {
if (!value) return prompt.required && !existing ? 'required' : undefined
return prompt.validate
? validateCapabilityFieldInput(state.setup.definition, prompt.key, value, state.optionId)
: undefined
}
let value: string
if (prompt.input === 'secret') {
value = await p.password({
message: formatCapabilitySetupFieldMessage(prompt, current, true),
validate,
})
if (!value && existing) value = existing
} else {
value = await p.text({
message: formatCapabilitySetupFieldMessage(prompt, current),
initialValue,
defaultValue: initialValue ? undefined : prompt.defaultValue,
validate,
})
}
if (value) state.values[prompt.key] = value
else Reflect.deleteProperty(state.values, prompt.key)
}
async function renderPrompts(prompts: readonly SetupPrompt[], state: PromptState): Promise<void> {
for (const prompt of prompts) {
if (!shouldRenderPrompt(prompt, state)) continue
if (prompt.type === 'field') {
await promptField(prompt, state)
continue
}
if (prompt.type === 'confirm') {
const proposed = proposedPromptValues(state)
const current = hasEnvCapabilityValue(state.currentValues, prompt.key)
const enabled = await p.confirm({
message: `${prompt.message}${current ? ' (Currently used)' : ''}`,
initialValue: hasEnvCapabilityValue(proposed, prompt.key)
? isTruthyEnvCapabilityValue(proposed, prompt.key)
: (prompt.defaultValue ?? false),
})
state.values[prompt.key] = enabled ? 'true' : 'false'
continue
}
const currentOption = prompt.options.find(
(option) =>
option.currentWhen && matchesSetupCondition(option.currentWhen, state.currentValues)
)
const initialOption = currentOption ?? prompt.options[0]
if (!initialOption) throw new Error(`Setup choice ${prompt.id} has no options`)
const selectedId = await p.select({
message: prompt.message,
options: prompt.options.map((option) => ({
value: option.id,
label: option.label,
hint: markCurrentlyUsed(option.hint, option.id === currentOption?.id),
})),
initialValue: initialOption.id,
})
const selected = prompt.options.find((option) => option.id === selectedId)
if (!selected) {
throw new Error(`Setup choice ${prompt.id} returned unknown option ${selectedId}`)
}
Object.assign(state.values, selected.env ?? {})
await renderPrompts(selected.prompts ?? [], state)
}
}
async function promptSelectedCapabilitySetup(
setup: CapabilitySetupDefinition,
selected: ResolvedSetupOption,
currentValues: ReadonlyMap<string, string>
): Promise<EnvCapabilitySetupTransition> {
const state: PromptState = {
setup,
optionId: selected.id,
currentValues,
values: {},
}
await renderPrompts(selected.prompts, state)
return buildCapabilitySetupTransition(setup, selected.id, state.values, currentValues)
}
/** Renders a CLI-owned capability setup and returns its validated environment transition. */
export async function promptCapabilitySetup(
setup: CapabilitySetupDefinition,
currentValues: ReadonlyMap<string, string>,
context: CapabilitySetupContext
): Promise<EnvCapabilitySetupTransition> {
const options = getCapabilitySetupOptions(setup)
const currentOptionId = resolveCurrentCapabilitySetupOptionId(setup, currentValues)
const selectedOptionId = await p.select({
message: setup.message,
options: options.map((option) => ({
value: option.id,
label: option.label,
hint: markCurrentlyUsed(resolveHint(option.hint, context), option.id === currentOptionId),
})),
initialValue: currentOptionId,
})
const selected = options.find((option) => option.id === selectedOptionId)
if (!selected) {
throw new Error(
`Capability ${setup.definition.id} returned unknown setup option ${selectedOptionId}`
)
}
return promptSelectedCapabilitySetup(setup, selected, currentValues)
}
/** Offers capability providers while allowing the user to leave configuration unchanged. */
export async function promptOptionalCapabilitySetup(
setup: CapabilitySetupDefinition,
currentValues: ReadonlyMap<string, string>,
context: CapabilitySetupContext,
skipHint: string
): Promise<EnvCapabilitySetupTransition | null> {
const options = getCapabilitySetupOptions(setup)
if (options.some((option) => option.id === SKIP_OPTION_ID)) {
throw new Error(`Capability ${setup.definition.id} uses reserved option ${SKIP_OPTION_ID}`)
}
const currentOptionId = resolveCurrentCapabilitySetupOptionId(setup, currentValues)
const selectedOptionId = await p.select({
message: setup.message,
options: [
...options.map((option) => ({
value: option.id,
label: option.label,
hint: markCurrentlyUsed(resolveHint(option.hint, context), option.id === currentOptionId),
})),
{
value: SKIP_OPTION_ID,
label: 'Not now',
hint: currentOptionId ? 'leave the current configuration unchanged' : skipHint,
},
],
initialValue: currentOptionId ?? options[0]?.id,
})
if (selectedOptionId === SKIP_OPTION_ID) return null
const selected = options.find((option) => option.id === selectedOptionId)
if (!selected) {
throw new Error(
`Capability ${setup.definition.id} returned unknown setup option ${selectedOptionId}`
)
}
return promptSelectedCapabilitySetup(setup, selected, currentValues)
}