import { Effect } from "effect"
import { getRound, setRound } from "../domain/rounds.ts"
import type { AppError } from "../errors.ts"
import { ok, type ToolResult } from "../result.ts"
import { RunStore } from "../services/run-store.ts"

/**
 * Human-only: reset rework counter for a gate key.
 * Missing/corrupt state → NoRunState / StateCorrupt.
 */
export const resetRoundsWorkflow = (
  params: { gate: string },
  root: string,
): Effect.Effect<ToolResult, AppError, RunStore> =>
  Effect.gen(function* () {
    const store = yield* RunStore
    const state = yield* store.require(root)
    const key = params.gate
    const prev = getRound(state, key)
    setRound(state, key, 1)
    state.last_error = null
    yield* store.save(state, root)
    return ok(`reset rounds for ${key}: ${prev} → 1`, {
      note: "human-only tool; orchestrator must not call this",
    })
  })