import { z } from "incur";
import { JavaScriptRecoveryService } from "../application/javascript/JavaScriptRecoveryService.js";
import { createJavaScriptRecoveryProvider } from "../composition/javascriptRecovery.js";
import { CLI_COMMANDS } from "../cliCommandNames.js";
import { logCliCommand } from "../cliLogging.js";
import { projectAnalysisError } from "../domain/analysisErrorProjection.js";
import type { Logger } from "pino";
import type { CliInstance } from "./types.js";
import { withCommandCancellation } from "./commandCancellation.js";

/** Share source recovery with MCP while keeping CLI spelling at this boundary. */
export const registerJavaScriptRecoveryCommands = (
  cli: CliInstance,
  logger: Logger,
  environment: Readonly<Record<string, string | undefined>>,
): void => {
  const service = new JavaScriptRecoveryService(
    createJavaScriptRecoveryProvider(environment),
  );
  cli.command(CLI_COMMANDS.recoverJavaScriptSources, {
    description:
      "Recover readable JavaScript modules with source provenance and verified files",
    args: z.object({
      path: z
        .string()
        .describe("Absolute UTF-8 JavaScript input; never executed"),
      outputDirectory: z.string().describe("Absolute absent output directory"),
    }),
    options: z.object({
      extractionMode: z
        .enum(["structural", "heuristic", "inspection"])
        .optional()
        .describe(
          "Structural boundaries, heuristic fallback, or inspection-only regions",
        ),
      rewriteLevel: z
        .enum(["minimal", "standard", "aggressive"])
        .optional()
        .describe(
          "Upstream syntax recovery level; runtime equivalence remains unknown",
        ),
    }),
    run: ({ args, options }) =>
      withCommandCancellation(async (signal) => {
        try {
          return await logCliCommand(
            logger,
            CLI_COMMANDS.recoverJavaScriptSources,
            async () => {
              const result = await service.recover(
                {
                  path: args.path,
                  output_directory: args.outputDirectory,
                  ...(options.extractionMode === undefined
                    ? {}
                    : { extraction_mode: options.extractionMode }),
                  ...(options.rewriteLevel === undefined
                    ? {}
                    : { rewrite_level: options.rewriteLevel }),
                },
                { signal },
              );
              return result.ok
                ? result.value
                : projectAnalysisError(result.error);
            },
          );
        } finally {
          await service.close();
        }
      }),
  });
};