from __future__ import annotations

from pathlib import Path
from typing import Any

from engine.devops_agent.evidence import write_run_artifact
from engine.devops_agent.policies import RuntimePolicy


def run_issue_comment_workflow(
    *,
    lock: dict[str, Any],
    provider: Any,
    event_payload: dict[str, Any],
    output_dir: str | Path,
) -> dict[str, Any]:
    event = provider.parse_issue_comment_event(event_payload)
    repo = str(event["repo"])
    issue_number = int(event["issue_number"])
    issue = provider.get_issue(repo, issue_number)

    policy = RuntimePolicy(
        safe_outputs=lock.get("safe_outputs") or {},
        path_scope=lock.get("policy", {}).get("path_scope") or [],
    )
    policy.assert_operation_allowed("add_comment")

    verification_summary = (
        f"Workflow `{lock['workflow_name']}` processed issue #{issue_number} "
        f"and prepared evidence for review."
    )
    comment_response = provider.post_issue_comment(
        repo,
        issue_number,
        verification_summary,
    )

    artifact: dict[str, Any] = {
        "run_id": f"{lock['workflow_name']}-issue-{issue_number}",
        "workflow_name": lock["workflow_name"],
        "provider": lock["provider"],
        "event": event,
        "plan_state": {
            "status": "pending_review",
            "repo": repo,
            "issue_number": issue_number,
            "issue_title": issue.get("title", ""),
        },
        "operations": [
            {
                "action": "add_comment",
                "issue_number": issue_number,
                "repo": repo,
            }
        ],
        "evidence": {
            "issue_comment": comment_response,
            "verification_summary": verification_summary,
        },
        "result": "success",
    }
    artifact_path = write_run_artifact(output_dir, artifact)
    artifact["artifact_path"] = str(artifact_path.as_posix())
    artifact_path.write_text(__import__("json").dumps(artifact, ensure_ascii=False, indent=2), encoding="utf-8")
    return artifact