#!/usr/bin/env bash
# setup.sh — Abhängigkeiten für auto-video-cut installieren (Linux)
set -euo pipefail

echo "=== auto-video-cut Setup ==="
echo ""

# --- ffmpeg prüfen / installieren ---
if ! command -v ffmpeg &>/dev/null; then
    echo "[1/3] ffmpeg nicht gefunden — installiere via apt..."
    sudo apt-get update -qq
    sudo apt-get install -y ffmpeg
else
    echo "[1/3] ffmpeg bereits installiert: $(ffmpeg -version 2>&1 | head -1)"
fi

# --- Python prüfen ---
echo ""
PYTHON=""
for candidate in python3 python; do
    if command -v "$candidate" &>/dev/null; then
        version=$("$candidate" -c "import sys; print(sys.version_info[:2])")
        if "$candidate" -c "import sys; sys.exit(0 if sys.version_info >= (3,10) else 1)" 2>/dev/null; then
            PYTHON="$candidate"
            echo "[2/3] Python gefunden: $("$candidate" --version)"
            break
        fi
    fi
done

if [ -z "$PYTHON" ]; then
    echo "[2/3] Python >= 3.10 nicht gefunden — installiere via apt..."
    sudo apt-get update -qq
    sudo apt-get install -y python3 python3-pip python3-venv
    PYTHON=python3
fi

# --- Virtuelle Umgebung ---
echo ""
echo "[3/3] Python-Paket installieren..."

SCRIPT_DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"

if [ ! -d "$SCRIPT_DIR/.venv" ]; then
    echo "  Erstelle virtuelle Umgebung in .venv/ ..."
    "$PYTHON" -m venv "$SCRIPT_DIR/.venv"
fi

# venv aktivieren
source "$SCRIPT_DIR/.venv/bin/activate"

pip install --upgrade pip -q
pip install -e "$SCRIPT_DIR" -q

echo ""
echo "=== Fertig ==="
echo ""
echo "Starten:"
echo "  source .venv/bin/activate"
echo "  video-cut --help"
echo ""
echo "Oder direkt (ohne Aktivierung):"
echo "  .venv/bin/video-cut --help"