#!/usr/bin/env bash
# veilor-os — apply system-wide KDE theme + DuckSans font default
# Run during %post (chroot) or post-install. Idempotent.

set -uo pipefail

GREEN='\033[0;32m'; YELLOW='\033[1;33m'; NC='\033[0m'
ok()   { echo -e "${GREEN}[OK]${NC}    $*"; }
info() { echo -e "${YELLOW}[INFO]${NC}  $*"; }

REPO="${VEILOR_REPO:-/usr/share/veilor-os}"

# ── Install color scheme system-wide ──
info "Installing veilor-black color scheme"
install -d -m 0755 /usr/share/color-schemes
install -m 0644 "$REPO/assets/kde/veilor-black.colors" /usr/share/color-schemes/veilor-black.colors
ok "color scheme installed"

# ── KDE system defaults ──
info "Setting system kdedefaults"
install -d -m 0755 /etc/xdg/kdedefaults
install -m 0644 "$REPO/assets/kde/veilor-default.kdeglobals" /etc/xdg/kdedefaults/kdeglobals
ok "kdedefaults written"

# ── Fira Code fontconfig default (monospace + UI) ──
info "Setting Fira Code as default font"
rpm -q fira-code-fonts &>/dev/null || dnf install -y fira-code-fonts
install -d -m 0755 /etc/fonts/conf.d
cat > /etc/fonts/conf.d/55-veilor-firacode.conf << 'EOF'
<?xml version="1.0"?>
<!DOCTYPE fontconfig SYSTEM "fonts.dtd">
<fontconfig>
  <alias>
    <family>monospace</family>
    <prefer><family>Fira Code</family></prefer>
  </alias>
  <alias>
    <family>sans-serif</family>
    <prefer><family>Fira Code</family></prefer>
  </alias>
  <alias>
    <family>system-ui</family>
    <prefer><family>Fira Code</family></prefer>
  </alias>
</fontconfig>
EOF
fc-cache -f 2>/dev/null || true
ok "fontconfig: Fira Code = default font"

# ── /etc/os-release branding ──
info "Branding /etc/os-release"
SRC_OSREL=""
for cand in /etc/os-release.d/veilor "$REPO/overlay/etc/os-release.d/veilor"; do
    [[ -f $cand ]] && SRC_OSREL=$cand && break
done
if [[ -n $SRC_OSREL ]]; then
    # /etc/os-release is symlink to /usr/lib/os-release on Fedora.
    # Overwrite the actual file and rewire symlinks deterministically.
    rm -f /etc/os-release /usr/lib/os-release
    install -m 0644 "$SRC_OSREL" /usr/lib/os-release
    ln -sf ../usr/lib/os-release /etc/os-release
    ok "os-release set to veilor-os (source: $SRC_OSREL)"
else
    warn "no os-release.d/veilor found — branding skipped"
fi

# ── Plymouth theme (optional) ──
if [[ -d "$REPO/assets/plymouth/veilor" ]] && command -v plymouth-set-default-theme &>/dev/null; then
    info "Installing plymouth theme"
    install -d -m 0755 /usr/share/plymouth/themes/veilor
    cp -r "$REPO/assets/plymouth/veilor/." /usr/share/plymouth/themes/veilor/
    plymouth-set-default-theme -R veilor 2>/dev/null || true
    ok "plymouth theme set to veilor"
fi

ok "kde-theme-apply complete"