import type { EditBatch } from "../../services/semantic-lifecycle/edit-batch.js";
import { applyEditBatch } from "../../services/semantic-lifecycle/edit-batch.js";
import { assertOutputSafe, atomicWrite, loadIR, loadStructured, structuredText, type LifecycleActionOptions } from "../../services/semantic-lifecycle/lifecycle-io.js";
import { diagramIRToDrawio } from "../../authoring/ir-to-drawio.js";
export function run(filePath: string, _page = 0, outputPath?: string, options: LifecycleActionOptions = {}): Record<string, unknown> {
  if (!options.spec) throw new Error("edit requires --spec <batch.yaml>");
  if (!options.dryRun && !outputPath) throw new Error("edit requires --output unless --dry-run is used");
  if (outputPath) assertOutputSafe(outputPath, [filePath, options.spec]);
  const source = loadIR(filePath); const batch = loadStructured(options.spec) as EditBatch;
  const result = applyEditBatch(source, batch, { dryRun: options.dryRun });
  let output: string | undefined;
  if (!options.dryRun && outputPath) {
    const content = /\.(drawio|xml)$/i.test(outputPath) ? diagramIRToDrawio(result.ir) : structuredText(result.ir, outputPath);
    output = atomicWrite(outputPath, content, [filePath, options.spec]);
  }
  return { action: "edit", output, applied: result.applied, dryRun: result.dryRun, preview: options.dryRun ? result.preview : undefined };
}