import type { FormatterConfig } from "../schema.ts";

export function createCommandFormatterRunner(deps: {
  execCommand: (
    command: string,
    args: string[],
    options: { cwd: string; timeout?: number },
  ) => Promise<{ code: number; stdout: string; stderr: string }>;
}) {
  return {
    async formatFile(input: {
      absolutePath: string;
      workspaceRoot: string;
      formatter: FormatterConfig;
      timeoutMs?: number;
    }) {
      const [command, ...args] = input.formatter.command.map((part) => part.replaceAll("{file}", input.absolutePath));
      const result = await deps.execCommand(command, args, {
        cwd: input.workspaceRoot,
        timeout: input.timeoutMs,
      });

      if (result.code !== 0) {
        return {
          status: "failed" as const,
          message: (result.stderr || result.stdout || `formatter exited with ${result.code}`).trim(),
        };
      }

      return { status: "formatted" as const };
    },
  };
}