#!/bin/bash
# Installe/met a jour le theme GRUB tactile pour triple boot
set -e

SCRIPT_DIR="$(cd "$(dirname "$0")" && pwd)"
THEME_SRC="$SCRIPT_DIR/grub-theme"
THEME_DEST="/boot/grub/themes/terra"

if [ "$EUID" -ne 0 ]; then
  echo "Ce script doit etre execute en root (sudo)"
  exit 1
fi

if [ ! -d "$THEME_SRC" ]; then
  echo "Dossier grub-theme non trouve dans $SCRIPT_DIR"
  exit 1
fi

echo "=== Installation du theme GRUB tactile ==="

# Copier le theme
mkdir -p "$THEME_DEST/icons"
cp "$THEME_SRC/theme.txt" "$THEME_DEST/"
cp "$THEME_SRC/background.png" "$THEME_DEST/"
cp "$THEME_SRC/select_"*.png "$THEME_DEST/"
cp "$THEME_SRC/icons/"*.png "$THEME_DEST/icons/"

# Installer les polices
apt-get install -y -qq fonts-dejavu-core 2>/dev/null || true
grub-mkfont -s 18 -o /boot/grub/fonts/DejaVuSans18.pf2 /usr/share/fonts/truetype/dejavu/DejaVuSans.ttf 2>/dev/null || true
grub-mkfont -s 24 -o /boot/grub/fonts/DejaVuSansBold24.pf2 /usr/share/fonts/truetype/dejavu/DejaVuSans-Bold.ttf 2>/dev/null || true
grub-mkfont -s 36 -o /boot/grub/fonts/DejaVuSansBold36.pf2 /usr/share/fonts/truetype/dejavu/DejaVuSans-Bold.ttf 2>/dev/null || true
grub-mkfont -s 42 -o /boot/grub/fonts/DejaVuSansBold42.pf2 /usr/share/fonts/truetype/dejavu/DejaVuSans-Bold.ttf 2>/dev/null || true

# Configurer GRUB
sed -i '/^GRUB_THEME=/d' /etc/default/grub
sed -i '/^GRUB_GFXMODE=/d' /etc/default/grub
sed -i '/^GRUB_GFXPAYLOAD_LINUX=/d' /etc/default/grub
sed -i 's/^GRUB_TIMEOUT=.*/GRUB_TIMEOUT=-1/' /etc/default/grub

cat >> /etc/default/grub <<EOF
GRUB_THEME=/boot/grub/themes/terra/theme.txt
GRUB_GFXMODE=1920x1080,auto
GRUB_GFXPAYLOAD_LINUX=keep
EOF

# Mettre a jour GRUB
update-grub

echo ""
echo "=== Theme GRUB installe ==="
echo "Redemarrer pour voir le resultat."