import type { IntentId } from '@/lib/interactive-demo/types'
import { carnotCycleSimulator } from './carnot-cycle'
import { carnotCycleAnim } from './carnot-cycle-anim'
import { tsDiagramAnim } from './ts-diagram'
import type { AnimPlugin, AnyPlugin, SimulatorPlugin } from './types'

export const GENERIC_SIM_ID = 'generic-formula' as const

const REGISTRY: Record<string, AnyPlugin> = {
  [carnotCycleSimulator.id]: carnotCycleSimulator,
  [carnotCycleAnim.id]: carnotCycleAnim,
  [tsDiagramAnim.id]: tsDiagramAnim,
}

export function getPlugin(id: string): AnyPlugin | null {
  return REGISTRY[id] ?? null
}

export function getSimulator(id: string): SimulatorPlugin | null {
  const p = REGISTRY[id]
  return p?.family === 'sim' ? p : null
}

export function getAnimPlugin(id: string): AnimPlugin | null {
  const p = REGISTRY[id]
  return p?.family === 'anim' ? p : null
}

export function isCatalogSimId(id: string): boolean {
  return id !== GENERIC_SIM_ID && id in REGISTRY
}

export function listSimulators(): AnyPlugin[] {
  return Object.values(REGISTRY)
}

/**
 * Compact catalog injected into the section-generation prompt so the LLM
 * can pick a curated plugin (sim or anim) and bind note values into a preset.
 */
export function catalogForPrompt(lang: string): string {
  const fr = lang.startsWith('fr')
  const catalog = listSimulators().map((plugin) => ({
    simId: plugin.id,
    family: plugin.family,
    summary: fr ? plugin.summary.fr : plugin.summary.en,
    keywords: plugin.keywords.slice(0, 10),
    ...(plugin.family === 'sim'
      ? {
          params: plugin.params.map((p) => ({
            id: p.id,
            symbol: p.symbol,
            range: [p.min, p.max],
            default: p.defaultValue,
            unit: p.unit,
          })),
          outputs: plugin.outputs.map((o) => o.symbol),
        }
      : {}),
  }))
  return JSON.stringify(catalog, null, 1)
}

export type { SimulatorPlugin, AnimPlugin, AnyPlugin, AnimBeat, SimI18n, SimParamDef, SimOutputDef } from './types'
export type { IntentId }