from __future__ import annotations

from pathlib import Path
import json
import os
import sys

ROOT = Path(__file__).resolve().parents[1]
if str(ROOT) not in sys.path:
    sys.path.insert(0, str(ROOT))

from src.api.visual_watch import cleanup_visual_watch_captures


def main(env=None) -> int:
    env = os.environ if env is None else env
    output_json = _get_bool(env, "VISUAL_CAPTURE_CLEANUP_OUTPUT_JSON", False)
    payload = cleanup_visual_watch_captures(
        retention_hours=_get_int(env, "VISUAL_CAPTURE_CLEANUP_RETENTION_HOURS", 168),
        dry_run=_get_bool(env, "VISUAL_CAPTURE_CLEANUP_DRY_RUN", False),
        output_dir=_get_optional_value(env, "VISUAL_CAPTURE_CLEANUP_OUTPUT_DIR"),
        max_delete_files=_get_int(env, "VISUAL_CAPTURE_CLEANUP_MAX_DELETE_FILES", 500),
    )
    if output_json:
        print(json.dumps(payload, ensure_ascii=False, sort_keys=True, default=str))
    else:
        print(f"Visual capture cleanup status: {payload.get('status')}")
        print(f"Root: {payload.get('root')}")
        print(f"Retention hours: {payload.get('retention_hours')}")
        print(f"Eligible files: {payload.get('eligible_file_count')}")
        print(f"Deleted files: {payload.get('deleted_file_count')}")
        if payload.get("reason"):
            print(f"Reason: {payload.get('reason')}")
    return 0 if payload.get("status") != "failed" else 2


def _get_bool(env, key: str, default: bool = False) -> bool:
    value = env.get(key)
    if value is None or value == "":
        return default
    return str(value).strip().lower() in {"1", "true", "yes", "on"}


def _get_int(env, key: str, default: int) -> int:
    value = env.get(key)
    if value is None or value == "":
        return default
    return int(value)


def _get_optional_value(env, key: str):
    value = env.get(key)
    if value is None or value == "":
        return None
    return value


if __name__ == "__main__":
    raise SystemExit(main())