/** Git operator tool — safe git operations. Mirrors `tools/git/git_operator.rs`. */
import type { JsonValue } from "@zesdex/domain";
import { type Tool, type ToolCtx } from "../mod.ts";
import { argStr, executeCmd, optStrArray } from "../util.ts";
import { checkGitDestructive } from "../shell/git.ts";

export class GitOperator implements Tool {
  name = "git_operator";
  description = "Execute git operations (commit, push, pull, branch, status, log, etc.)";

  parameters = {
    type: "object",
    properties: {
      operation: {
        type: "string",
        enum: ["status", "log", "diff", "commit", "branch", "checkout", "pull", "push", "add", "stash"],
        description: "Git operation to perform",
      },
      args: { type: "array", items: { type: "string" }, description: "Additional arguments for the git operation" },
    },
    required: ["operation"],
  };

  run(_ctx: ToolCtx, args: JsonValue): string {
    const operation = argStr(args, "operation");
    const extraArgs = optStrArray(args, "args");

    const cmdStr = `git ${operation} ${extraArgs.join(" ")}`;
    const blocked = checkGitDestructive(cmdStr);
    if (blocked) throw new Error(`blocked: ${blocked}`);

    return executeCmd(["git", operation, ...extraArgs]);
  }
}