"""Configuration and constants for RVC Voice Conversion."""
from __future__ import annotations

import logging
import os
import sys
from pathlib import Path

import torch

# ── Path bootstrap ────────────────────────────────────────────────────────────
BASE_DIR = Path(__file__).parent.parent
sys.path.insert(0, str(BASE_DIR))

MODELS_DIR = BASE_DIR / "rvc_models"
OUTPUT_DIR = BASE_DIR / "outputs"
MODELS_DIR.mkdir(exist_ok=True)
OUTPUT_DIR.mkdir(exist_ok=True)

os.environ.setdefault("URVC_MODELS_DIR", str(MODELS_DIR / "urvc"))

# ── Logging ───────────────────────────────────────────────────────────────────
logging.basicConfig(
    level=logging.INFO,
    format="%(asctime)s [%(levelname)s] %(name)s: %(message)s",
    datefmt="%H:%M:%S",
)

for _noisy in ("httpx", "httpcore", "faiss", "faiss.loader", "transformers", "torch"):
    logging.getLogger(_noisy).setLevel(logging.WARNING)

logger = logging.getLogger("rvc_space")

# ── CPU threading ─────────────────────────────────────────────────────────────
try:
    NUM_CORES = len(os.sched_getaffinity(0))
except AttributeError:
    NUM_CORES = os.cpu_count() or 1

torch.set_num_threads(NUM_CORES)
torch.set_num_interop_threads(NUM_CORES)
os.environ["OMP_NUM_THREADS"] = str(NUM_CORES)
os.environ["MKL_NUM_THREADS"] = str(NUM_CORES)
os.environ["NUMEXPR_NUM_THREADS"] = str(NUM_CORES)
os.environ["OPENBLAS_NUM_THREADS"] = str(NUM_CORES)
torch.set_float32_matmul_precision("high")
torch.backends.mkldnn.enabled = True
logger.info("CPU threads: %d | matmul: high | oneDNN: enabled", NUM_CORES)

# ── Device ────────────────────────────────────────────────────────────────────
if torch.cuda.is_available():
    DEVICE = "cuda"
    DEVICE_LABEL = f"🟢 GPU · {torch.cuda.get_device_name(0)}"
else:
    DEVICE = "cpu"
    DEVICE_LABEL = f"🔵 CPU · {NUM_CORES} cores"

logger.info("Device: %s", DEVICE_LABEL)

# ── Constants ─────────────────────────────────────────────────────────────────
MAX_INPUT_DURATION = 300  # 5 minutes
OUTPUT_TTL_SECONDS = 3600  # 1 hour
MAX_JOBS = 100

# ── Built-in models ───────────────────────────────────────────────────────────
BUILTIN_MODELS = [
    {
        "name": "Vestia Zeta v1",
        "url": "https://huggingface.co/megaaziib/my-rvc-models-collection/resolve/main/zeta.zip",
    },
    {
        "name": "Vestia Zeta v2",
        "url": "https://huggingface.co/megaaziib/my-rvc-models-collection/resolve/main/zetaTest.zip",
    },
    {
        "name": "Ayunda Risu",
        "url": "https://huggingface.co/megaaziib/my-rvc-models-collection/resolve/main/risu.zip",
    },
    {
        "name": "Gawr Gura",
        "url": "https://huggingface.co/Gigrig/GigrigRVC/resolve/41d46f087b9c7d70b93acf100f1cb9f7d25f3831/GawrGura_RVC_v2_Ov2Super_e275_s64075.zip",
    },
]

# ── CSS ───────────────────────────────────────────────────────────────────────
CSS = """
#header { text-align: center; padding: 20px 0 8px; }
#header h1 { font-size: 2rem; margin: 0; }
#header p { opacity: .65; margin: 4px 0 0; }
#status { text-align: center; font-size: .82rem; opacity: .7; margin-bottom: 8px; }
footer { display: none !important; }
"""