from __future__ import annotations

import json
from pathlib import Path
from typing import Any, Iterable


def write_manifest(path: str | Path, records: Iterable[dict[str, Any]]) -> None:
    manifest_path = Path(path).expanduser().resolve(strict=False)
    manifest_path.parent.mkdir(parents=True, exist_ok=True)
    with manifest_path.open("w", encoding="utf-8") as handle:
        for record in records:
            normalized = _normalize_record(record)
            handle.write(
                json.dumps(normalized, ensure_ascii=False, sort_keys=True) + "\n"
            )


def read_jsonl(path: str | Path) -> list[dict[str, Any]]:
    jsonl_path = Path(path).expanduser().resolve(strict=False)
    if not jsonl_path.exists():
        return []
    records = []
    for line in jsonl_path.read_text(encoding="utf-8").splitlines():
        if line.strip():
            records.append(json.loads(line))
    return records


def _normalize_record(record: dict[str, Any]) -> dict[str, Any]:
    normalized = dict(record)
    normalized.setdefault("status", "pending")
    normalized.setdefault("retry_count", 0)
    normalized.setdefault("last_error", None)
    return normalized