#!/usr/bin/env bash
# XVVIIX - Local Engine Setup (macOS / Linux)
set -u
cd "$(dirname "$0")"

G='\033[0;32m'; R='\033[0;31m'; Y='\033[1;33m'; N='\033[0m'

echo
echo "  ============================================================"
echo "                XVVIIX - Local Engine Setup"
echo "  ============================================================"
echo
echo "   This will set up the Demucs AI engine on this computer."
echo
echo "     [1] Check Python"
echo "     [2] Create an isolated environment in this folder"
echo "     [3] Download the AI engine"
echo "     [4] Start the engine"
echo
echo "   Download size:"
echo "     - CPU only        : about 250 MB"
echo "     - NVIDIA GPU      : about 2.5 GB (CUDA libraries)"
echo
echo "   Everything stays in this folder. Delete it to uninstall."
echo
read -rp "   Press Enter to continue... " _
echo

echo "  [1/4] Checking Python..."
PY=""
for c in python3.12 python3.11 python3.10 python3; do
  if command -v "$c" >/dev/null 2>&1; then PY="$c"; break; fi
done
if [ -z "$PY" ]; then
  echo -e "       ${R}Python not found.${N}"
  echo "       Install it from https://www.python.org/downloads/"
  command -v brew >/dev/null 2>&1 && echo "       or run:  brew install python"
  exit 1
fi
echo -e "       ${G}OK - $($PY --version)${N}"
echo

echo "  [2/4] Creating environment..."
REUSE=0
if "$PY" -c "import torch,sys; v=tuple(int(x) for x in torch.__version__.split('.')[:2]); sys.exit(0 if v>=(2,0) else 1)" >/dev/null 2>&1; then
  REUSE=1
  TVER=$("$PY" -c "import torch;print(torch.__version__)" 2>/dev/null)
  TCUDA=$("$PY" -c "import torch;print('yes' if torch.cuda.is_available() else 'no')" 2>/dev/null)
  echo -e "       ${G}Found PyTorch $TVER on your system (CUDA: $TCUDA)${N}"
  echo "       Reusing it - only a few MB will be downloaded."
fi
if [ -x ".venv/bin/python" ]; then
  echo -e "       ${G}OK - environment already exists${N}"
else
  if [ "$REUSE" = "1" ]; then
    "$PY" -m venv --system-site-packages .venv || { echo -e "       ${R}FAILED${N}"; exit 1; }
  else
    "$PY" -m venv .venv || { echo -e "       ${R}FAILED${N}"; exit 1; }
  fi
  echo -e "       ${G}OK - created${N}"
fi
VPY=".venv/bin/python"
echo

echo "  [3/4] Installing the AI engine..."
if [ -f ".venv/.installed" ]; then
  echo -e "       ${G}OK - already installed${N}"
else
  "$VPY" -m pip install --quiet --upgrade pip
  if [ "$REUSE" = "1" ]; then
    echo "       Using the PyTorch already on your system - skipping the big download."
  elif command -v nvidia-smi >/dev/null 2>&1; then
    echo "       NVIDIA GPU detected - installing CUDA build (about 2.5 GB)"
    "$VPY" -m pip install torch torchaudio --index-url https://download.pytorch.org/whl/cu121 \
      || "$VPY" -m pip install torch torchaudio --index-url https://download.pytorch.org/whl/cpu
  elif [ "$(uname -s)" = "Darwin" ]; then
    echo "       macOS detected - installing the standard build (about 250 MB)"
    "$VPY" -m pip install torch torchaudio
  else
    echo "       No NVIDIA GPU - installing the small CPU build (about 250 MB)"
    "$VPY" -m pip install torch torchaudio --index-url https://download.pytorch.org/whl/cpu
  fi
  "$VPY" -m pip install demucs soundfile || { echo -e "       ${R}FAILED${N}"; exit 1; }
  touch .venv/.installed
  echo -e "       ${G}OK - installed${N}"
fi
echo

# unpack the embedded engine (single heredoc, decoded portably)
if base64 --help 2>&1 | grep -q -- '-d,'; then DEC="base64 -d"; else DEC="base64 --decode"; fi
cat <<'XVVIIX_B64' > .xvviix_payload.b64
"""
XVVIIX - local GPU/CPU engine.

Runs Demucs on the user's own machine and exposes a tiny HTTP API that the
website (hosted on GitHub Pages) can call. Audio never leaves the machine.

Started automatically by install-xvviix.bat / install-xvviix.sh.
"""

import json
import os
import re
import shutil
import subprocess
import sys
import threading
import uuid
from email.parser import BytesParser
from email.policy import default
from http.server import ThreadingHTTPServer, BaseHTTPRequestHandler
from pathlib import Path
from urllib.parse import unquote

ROOT = Path(__file__).resolve().parent
UPLOADS = ROOT / "uploads"
OUTPUTS = ROOT / "outputs"
UPLOADS.mkdir(exist_ok=True)
OUTPUTS.mkdir(exist_ok=True)

HOST = os.environ.get("XVVIIX_HOST", "127.0.0.1")
PORT = int(os.environ.get("XVVIIX_PORT", "8765"))
MAX_UPLOAD = 500 * 1024 * 1024
ALLOWED_EXT = {".wav", ".mp3", ".flac", ".m4a", ".aac", ".ogg", ".aiff", ".aif"}
STEM_NAMES = {"vocals", "drums", "bass", "other"}
SAFE = re.compile(r"^[\w.\-]+$")
PROGRESS_RE = re.compile(r"(\d{1,3})%")

jobs = {}


def gpu_info():
    try:
        import torch

        if torch.cuda.is_available():
            return {"device": "cuda", "name": torch.cuda.get_device_name(0)}
    except Exception:
        pass
    return {"device": "cpu", "name": "CPU"}


DEVICE = gpu_info()


class Handler(BaseHTTPRequestHandler):
    server_version = "XVVIIX/2.0"

    def log_message(self, fmt, *args):
        # keep the console readable for non-technical users
        if "/api/health" not in (args[0] if args else ""):
            sys.stdout.write("  - %s\n" % (fmt % args))

    def _cors(self):
        origin = self.headers.get("Origin")
        if origin:
            self.send_header("Access-Control-Allow-Origin", origin)
            self.send_header("Vary", "Origin")
        else:
            self.send_header("Access-Control-Allow-Origin", "*")
        self.send_header("Access-Control-Allow-Headers", "Content-Type, Range")
        self.send_header("Access-Control-Allow-Methods", "GET, POST, HEAD, OPTIONS")
        self.send_header("Access-Control-Expose-Headers", "Content-Length, Content-Range, Accept-Ranges")
        self.send_header("Access-Control-Max-Age", "86400")

    def end_headers(self):
        self.send_header("Cache-Control", "no-store")
        self._cors()
        super().end_headers()

    def do_OPTIONS(self):
        self.send_response(204)
        self.send_header("Content-Length", "0")
        self.end_headers()

    def send_json(self, data, code=200):
        raw = json.dumps(data).encode()
        self.send_response(code)
        self.send_header("Content-Type", "application/json")
        self.send_header("Content-Length", str(len(raw)))
        self.end_headers()
        self.wfile.write(raw)

    # ---------------- POST ----------------
    def do_POST(self):
        if self.path != "/api/split":
            self.send_json({"error": "Not found"}, 404)
            return
        try:
            length = int(self.headers.get("Content-Length", "0"))
            if length <= 0:
                raise ValueError("Empty request")
            if length > MAX_UPLOAD:
                self.send_json({"error": "File larger than 500 MB"}, 413)
                return
            ctype = self.headers.get("Content-Type", "")
            if "multipart/form-data" not in ctype:
                raise ValueError("Expected multipart/form-data")

            body = self.rfile.read(length)
            msg = BytesParser(policy=default).parsebytes(
                f"Content-Type: {ctype}\r\nMIME-Version: 1.0\r\n\r\n".encode() + body
            )

            filename = filedata = None
            fields = {}
            for part in msg.iter_parts():
                name = part.get_param("name", header="content-disposition")
                if name == "file":
                    filename = part.get_filename()
                    filedata = part.get_payload(decode=True)
                elif name:
                    fields[name] = part.get_content()

            if not filename or not filedata:
                raise ValueError("No audio file received")
            ext = Path(filename).suffix.lower() or ".wav"
            if ext not in ALLOWED_EXT:
                raise ValueError(f'Unsupported file type "{ext}"')

            try:
                stems = json.loads(fields.get("stems", "[]"))
            except json.JSONDecodeError:
                stems = []
            stems = [s for s in stems if s in STEM_NAMES] or list(STEM_NAMES)

            job = str(uuid.uuid4())
            src = UPLOADS / (job + ext)
            src.write_bytes(filedata)
            jobs[job] = {"status": "queued", "progress": 0, "name": filename}
            threading.Thread(target=run_split, args=(job, src, stems), daemon=True).start()
            self.send_json({"job_id": job})
        except Exception as exc:
            self.send_json({"error": str(exc)}, 400)

    # ---------------- GET ----------------
    def do_HEAD(self):
        self.do_GET()

    def do_GET(self):
        if self.path == "/api/health":
            self.send_json({
                "app": "XVVIIX",
                "version": "2.0",
                "engine": "demucs",
                "device": DEVICE["device"],
                "device_name": DEVICE["name"],
                "ok": True,
            })
            return

        if self.path.startswith("/api/status/"):
            job = self.path.rsplit("/", 1)[-1]
            self.send_json(jobs.get(job, {"error": "Unknown job"}))
            return

        if self.path.startswith("/api/download/"):
            self._download()
            return

        self.send_json({"error": "Not found"}, 404)

    def _download(self):
        path, _, query = self.path.partition("?")
        inline = "inline=1" in query
        parts = path.split("/")
        if len(parts) != 7:
            self.send_json({"error": "Invalid path"}, 400)
            return
        _, _, _, job, model, song, filename = [unquote(p) for p in parts]
        for c in (job, model, song, filename):
            if not SAFE.match(c) or ".." in c:
                self.send_json({"error": "Invalid path"}, 400)
                return

        root = OUTPUTS.resolve()
        target = (OUTPUTS / job / model / song / filename).resolve()
        try:
            target.relative_to(root)
        except ValueError:
            self.send_json({"error": "Invalid path"}, 400)
            return
        if not target.is_file():
            self.send_json({"error": "Not found"}, 404)
            return

        size = target.stat().st_size
        start, end, status = 0, size - 1, 200
        rng = self.headers.get("Range", "")
        m = re.match(r"bytes=(\d*)-(\d*)$", rng.strip()) if rng else None
        if m and size:
            s, e = m.group(1), m.group(2)
            if s:
                start = int(s)
                if e:
                    end = min(int(e), size - 1)
            elif e:
                start = max(0, size - int(e))
            if start > end or start >= size:
                self.send_response(416)
                self.send_header("Content-Range", f"bytes */{size}")
                self.end_headers()
                return
            status = 206

        length = end - start + 1
        self.send_response(status)
        self.send_header("Content-Type", "audio/wav")
        self.send_header("Accept-Ranges", "bytes")
        self.send_header("Content-Disposition",
                         f'{"inline" if inline else "attachment"}; filename="{filename}"')
        self.send_header("Content-Length", str(length))
        if status == 206:
            self.send_header("Content-Range", f"bytes {start}-{end}/{size}")
        self.end_headers()
        if self.command == "HEAD":
            return
        with target.open("rb") as f:
            f.seek(start)
            left = length
            while left > 0:
                chunk = f.read(min(65536, left))
                if not chunk:
                    break
                self.wfile.write(chunk)
                left -= len(chunk)


def run_split(job, src, stems):
    out = OUTPUTS / job
    out.mkdir(exist_ok=True)
    jobs[job].update(status="processing", progress=5)
    model = "htdemucs"
    try:
        cmd = [sys.executable, "-m", "demucs", "-n", model, "--out", str(out), str(src)]
        if DEVICE["device"] == "cuda":
            cmd += ["-d", "cuda"]
        proc = subprocess.Popen(cmd, stdout=subprocess.PIPE, stderr=subprocess.STDOUT,
                                text=True, bufsize=1)
        for line in proc.stdout:
            hit = PROGRESS_RE.search(line)
            if hit:
                jobs[job]["progress"] = max(5, min(95, int(hit.group(1))))
        proc.wait()
        if proc.returncode != 0:
            raise RuntimeError("Demucs could not process this file.")

        folder = out / model / src.stem
        found = {p.stem: p for p in folder.glob("*.wav") if p.is_file()}
        chosen = {k: v for k, v in found.items() if k in stems} or found
        files = {k: f"/api/download/{job}/{model}/{src.stem}/{v.name}" for k, v in chosen.items()}
        jobs[job].update(status="complete", progress=100, files=files)
    except Exception as exc:
        jobs[job].update(status="error", error=str(exc))
    finally:
        try:
            src.unlink(missing_ok=True)
        except Exception:
            pass


def main():
    line = "=" * 58
    print(line)
    print("   XVVIIX - Local Engine")
    print(line)
    print(f"   Device  : {DEVICE['name']}")
    print(f"   Address : http://{HOST}:{PORT}")
    print(line)
    print()
    print("   READY - go back to the website, it connects automatically.")
    print("   Keep this window open. Press Ctrl+C to stop.")
    print()
    try:
        ThreadingHTTPServer((HOST, PORT), Handler).serve_forever()
    except KeyboardInterrupt:
        print("\n   Engine stopped.")


if __name__ == "__main__":
    main()

XVVIIX_B64
$DEC < .xvviix_payload.b64 > xvviix_engine.py || {
  echo -e "       ${R}FAILED to unpack the engine${N}"; rm -f .xvviix_payload.b64; exit 1;
}
rm -f .xvviix_payload.b64

echo "  [4/4] Starting the engine..."
echo
echo "  ============================================================"
echo -e "     ${G}READY${N}"
echo "     Go back to the website - it connects automatically."
echo "     Keep this window open. Press Ctrl+C to stop."
echo "  ============================================================"
echo
"$VPY" xvviix_engine.py