# ─────────────────────────────────────────────────────────────
#  FIXED APP.PY – PROPERLY RESOLVES UTILS IMPORTS ON HF SPACES
# ─────────────────────────────────────────────────────────────

import os
import sys
from fastapi import FastAPI, UploadFile, Form
from fastapi.responses import JSONResponse

# ─── Ensure /app/utils is visible as top-level modules ─────────
BASE_DIR = os.path.dirname(os.path.abspath(__file__))
UTILS_DIR = os.path.join(BASE_DIR, "utils")

if UTILS_DIR not in sys.path:
    sys.path.insert(0, UTILS_DIR)

print("DEBUG: Using UTILS_DIR:", UTILS_DIR)

# ─── Correct imports based on actual filesystem ───────────────
from summarizer import summarize_text
from file_utils import normalize_log_line, keyword_search
from docgen import generate_doc

# ─── FastAPI App Init ─────────────────────────────────────────
app = FastAPI(title="Omniscient Backend API")

# ─── Health Check ─────────────────────────────────────────────
@app.get("/health")
def health():
    return JSONResponse({"ok": True, "message": "Omniscient backend alive"})

# ─── File Summarization ───────────────────────────────────────
@app.post("/summarize")
async def summarize(file: UploadFile):
    try:
        content = (await file.read()).decode("utf-8", errors="ignore")
        summary = summarize_text(content)
        return {"file": file.filename, "summary": summary}
    except Exception as e:
        return {"error": str(e)}

# ─── Log Normalization & Search ───────────────────────────────
@app.post("/analyze-log")
async def analyze_log(file: UploadFile, query: str = Form(None)):
    try:
        raw = (await file.read()).decode("utf-8", errors="ignore")
        normalized = [normalize_log_line(line) for line in raw.splitlines()]

        result = {
            "total_lines": len(normalized),
            "unique_entries": len(set(normalized)),
            "preview": normalized[:50],
        }

        if query:
            matches = keyword_search("\n".join(normalized), query)
            result["matches"] = matches[:50]

        return {"file": file.filename, "analysis": result}

    except Exception as e:
        return {"error": str(e)}

# ─── Script Documentation Generator ───────────────────────────
@app.post("/generate-doc")
async def gen_doc(file: UploadFile):
    try:
        content = (await file.read()).decode("utf-8", errors="ignore")
        doc = generate_doc(file.filename, "uploaded", content)
        return {"file": file.filename, "doc": doc}
    except Exception as e:
        return {"error": str(e)}