// forgen-managed — do not edit; regenerated by `forgen install opencode`
/**
 * forgen — OpenCode plugin (W3-3 P1). forgen 결정적 가드 + 개인화 브릿지:
 *   - tool.execute.before → forgen opencode-guard → block 이면 throw(도구 차단).
 *   - experimental.session.compacting → forgen opencode-context → forge-loop 상태 유지.
 * 얇은 shim — 로직은 forgen 소유(drift-free). async execFile(이벤트루프 비차단).
 * GUARD_CMD/CONTEXT_CMD 는 install-opencode 가 절대경로로 치환(런타임 PATH 비의존).
 */
import { execFile } from "node:child_process"

// forgen:guard-cmd — install-opencode 가 [node, <절대 cli 경로>, opencode-guard] 로 치환
const GUARD_CMD: string[] = ["forgen", "opencode-guard"]
// forgen:context-cmd — install-opencode 가 [node, <절대 cli 경로>, opencode-context] 로 치환
const CONTEXT_CMD: string[] = ["forgen", "opencode-context"]

function runForgen(cmd: string[], stdin: string, timeout: number): Promise<string> {
  return new Promise((resolve) => {
    const [bin, ...rest] = cmd
    const child = execFile(bin, rest, { timeout, encoding: "utf-8" }, (err, stdout) => {
      if (err) console.error("[forgen] 호출 실패(fail-open):", err.message)
      resolve(stdout || "")
    })
    child.stdin?.end(stdin)
  })
}

export const forgen = async () => ({
  "tool.execute.before": async (
    input: { tool?: string },
    output: { args?: Record<string, unknown> },
  ) => {
    const out = await runForgen(GUARD_CMD, JSON.stringify({ tool: input?.tool, args: output?.args }), 8000)
    let decision: { block?: boolean; reason?: string } = { block: false }
    try {
      if (out) decision = JSON.parse(out)
    } catch {
      /* fail-open */
    }
    if (decision.block) throw new Error(decision.reason || "[forgen] blocked by guard")
  },
  "experimental.session.compacting": async (
    _input: unknown,
    output: { context?: string[] },
  ) => {
    const ctx = await runForgen(CONTEXT_CMD, "", 5000)
    if (ctx.trim() && Array.isArray(output?.context)) {
      output.context.push(ctx.trim())
    }
  },
})

export default forgen