from __future__ import annotations
import os
import hashlib
from typing import Dict
from .parser import ParsedNote
from .parser import extract_wikilinks

def sha256_text(text: str) -> str:
    h = hashlib.sha256()
    h.update(text.encode("utf-8"))
    return h.hexdigest()

def make_note_payload(parsed: ParsedNote, vault_root: str) -> Dict:
    fm = parsed.frontmatter
    body = parsed.body
    rel_path = os.path.relpath(parsed.path, vault_root) if vault_root else parsed.path

    payload = {
        "note_id": fm.get("id"),
        "title": fm.get("title"),
        "type": fm.get("type"),
        "status": fm.get("status"),
        "created": fm.get("created"),
        "updated": fm.get("updated"),
        "tags": fm.get("tags") or [],
        "priority": fm.get("priority"),
        "effort_min": fm.get("effort_min"),
        "due": fm.get("due"),
        "people": fm.get("people") or [],
        "aliases": fm.get("aliases") or [],
        "depends_on": fm.get("depends_on") or [],
        "assigned_to": fm.get("assigned_to") or [],
        "references": list(sorted(set(extract_wikilinks(body)))),
        "lang": fm.get("lang") or None,
        "path": rel_path.replace("\\", "/"),
        "hash_fulltext": sha256_text(body.strip()),
    }
    # Entferne None-Werte für saubere Payloads
    return {k: v for k, v in payload.items() if v not in (None, [])}