import os
from fastapi import FastAPI, Request
from fastapi.middleware.cors import CORSMiddleware
from pymongo import MongoClient, DESCENDING
from sync import process_sync

app = FastAPI()
app.add_middleware(CORSMiddleware, allow_origins=["*"])

client = MongoClient(os.environ.get("MONGODB_URI"))
db = client['myanmarswe_cinema']
metas_col, streams_col, users_col = db['metas'], db['streams'], db['users']

def is_user_valid(key):
    user = users_col.find_one({"key": key})
    return user and user.get("status") == "active"

@app.post("/sync-data")
async def sync_route(req: Request):
    data = await req.json()
    return process_sync(data)

@app.get("/{user_key}/manifest.json")
def manifest(user_key: str):
    valid = is_user_valid(user_key)
    return {
        "id": "com.myanmarswe.pro",
        "version": "3.2.0",
        "name": f"MyanmarSwe Cinema {'💎' if valid else '⚠️'}",
        "resources": ["catalog", "meta", "stream"],
        "types": ["movie", "series"],
        "idPrefixes": ["tmdb:", "tmdb_col:"],
        "catalogs": [
            {"type": "movie", "id": "mswe_m", "name": "MyanmarSwe Movies", "extra": [{"name": "search"}, {"name": "genre"}]},
            {"type": "movie", "id": "mswe_col", "name": "MyanmarSwe Movie Collections"}, # TV Show မှာ မပေါ်အောင် type: "movie" ပြောင်းထားသည်
            {"type": "series", "id": "mswe_s", "name": "MyanmarSwe TV Shows", "extra": [{"name": "search"}, {"name": "genre"}]}
        ]
    }

@app.get("/{user_key}/catalog/{m_type}/{cat_id}.json")
@app.get("/{user_key}/catalog/{m_type}/{cat_id}/{extra}.json")
def catalog(user_key: str, m_type: str, cat_id: str, extra: str = None):
    if not is_user_valid(user_key): return {"metas": []}
    
    query = {"id": {"$regex": "^tmdb_col:"}} if cat_id == "mswe_col" else {"type": m_type}
    if extra:
        params = dict(x.split('=') for x in extra.split('&') if '=' in x)
        if "search" in params:
            s = params["search"]
            query["$or"] = [{"name": {"$regex": s, "$options": "i"}}, {"releaseInfo": s}]
        if "genre" in params: query["genres"] = params["genre"]

    cursor = metas_col.find(query).sort("updated_at", DESCENDING).limit(100)
    return {"metas": [{
        "id": m["id"], "type": m.get("type", m_type), "name": m["name"],
        "poster": m["poster"], "logo": m.get("logo"), "description": m.get("description"),
        "releaseInfo": m.get("releaseInfo"), "imdbRating": m.get("imdbRating")
    } for m in cursor]}

@app.get("/{user_key}/meta/{m_type}/{meta_id}.json")
def meta(user_key: str, m_type: str, meta_id: str):
    if not is_user_valid(user_key): return {"meta": {}}
    m = metas_col.find_one({"id": meta_id})
    if not m: return {"meta": {}}
    
    m.pop("_id", None)
    # Stremio UI မှ လက်ခံသော Meta Object တည်ဆောက်ခြင်း
    res = {
        "id": m["id"], "type": m["type"], "name": m["name"],
        "poster": m["poster"], "background": m.get("background"), "logo": m.get("logo"),
        "description": m.get("description"),
        "cast": m.get("cast", []),
        "director": m.get("director", []),
        "runtime": m.get("runtime", ""), # Runtime ကို ပြန်ထည့်ပေးထားသည်
        "genres": m.get("genres", []),
        "releaseInfo": m.get("releaseInfo"),
        "imdbRating": m.get("imdbRating"),
        "videos": m.get("videos", [])
    }
    return {"meta": res}

@app.get("/{user_key}/stream/{m_type}/{id}.json")
def stream(user_key: str, m_type: str, id: str):
    if not is_user_valid(user_key): return {"streams": []}
    parts = id.split(":")
    if id.startswith("tmdb_col:"):
        col = metas_col.find_one({"id": f"tmdb_col:{parts[1]}"})
        target = next((v for v in col["videos"] if v["season"] == int(parts[2]) and v["episode"] == int(parts[3])), None)
        if target:
            streams = list(streams_col.find({"tmdb_id": str(target["movie_id"])}))
            return {"streams": [{"name": "MS Stream 💎", "url": s["url"]} for s in streams]}
    query = {"tmdb_id": parts[1]}
    if len(parts) == 4: query.update({"season": int(parts[2]), "episode": int(parts[3])})
    streams = list(streams_col.find(query))
    return {"streams": [{"name": "MS Stream 💎", "url": s["url"]} for s in streams]}