"""
app/routers/ingest.py
API-Endpunkte für WP-11 (Discovery & Persistence).
Delegiert an Services.
"""
import os
import time
import logging
from fastapi import APIRouter, HTTPException
from pydantic import BaseModel
from typing import Optional, Dict, Any

from app.core.ingestion import IngestionService
from app.services.discovery import DiscoveryService

logger = logging.getLogger(__name__)
router = APIRouter()

# Services Init (Global oder via Dependency Injection)
discovery_service = DiscoveryService()

class AnalyzeRequest(BaseModel):
    text: str
    type: str = "concept"

class SaveRequest(BaseModel):
    markdown_content: str
    filename: Optional[str] = None 
    folder: str = "00_Inbox"

class SaveResponse(BaseModel):
    status: str
    file_path: str
    note_id: str
    stats: Dict[str, Any]

@router.post("/analyze")
async def analyze_draft(req: AnalyzeRequest):
    """
    WP-11 Intelligence: Liefert Link-Vorschläge via DiscoveryService.
    """
    try:
        # Hier rufen wir jetzt den verbesserten Service auf
        result = await discovery_service.analyze_draft(req.text, req.type)
        return result
    except Exception as e:
        logger.error(f"Analyze failed: {e}", exc_info=True)
        return {"suggestions": [], "error": str(e)}

@router.post("/save", response_model=SaveResponse)
async def save_note(req: SaveRequest):
    """
    WP-11 Persistence: Speichert und indiziert.
    """
    try:
        vault_root = os.getenv("MINDNET_VAULT_ROOT", "./vault")
        abs_vault_root = os.path.abspath(vault_root)
        
        if not os.path.exists(abs_vault_root):
            try: os.makedirs(abs_vault_root, exist_ok=True)
            except: pass

        final_filename = req.filename or f"draft_{int(time.time())}.md"
        ingest_service = IngestionService() 
        
        # Async Call
        result = await ingest_service.create_from_text(
            markdown_content=req.markdown_content,
            filename=final_filename,
            vault_root=abs_vault_root,
            folder=req.folder
        )
        
        if result.get("status") == "error":
            raise HTTPException(status_code=500, detail=result.get("error"))
            
        return SaveResponse(
            status="success",
            file_path=result.get("path", "unknown"),
            note_id=result.get("note_id", "unknown"),
            stats={
                "chunks": result.get("chunks_count", 0),
                "edges": result.get("edges_count", 0)
            }
        )
    except HTTPException as he: raise he
    except Exception as e:
        logger.error(f"Save failed: {e}", exc_info=True)
        raise HTTPException(status_code=500, detail=f"Save failed: {str(e)}")