#!/usr/bin/env bash
# raveos-cosmic-apply.sh
# ----------------------
# Telepíti a COSMIC téma payloadját:
#   - /etc/skel alá (új usereknek)
#   - minden meglévő, bejelentkező user home-jába
#
# Root jogosultság szükséges. A raveos-cosmic-theme-apply.service hívja
# egyszer, első boot után.

set -euo pipefail

PAYLOAD="/usr/share/raveos/cosmic-theme/theme-data"

if [[ ! -d "$PAYLOAD" ]]; then
    echo "Hiba: hiányzó payload: $PAYLOAD" >&2
    exit 1
fi

if [[ ${EUID} -ne 0 ]]; then
    echo "Root jogosultság szükséges." >&2
    exit 1
fi

ensure_bashrc_hook() {
    local bashrc_path="$1"
    local hook_line='[[ -f /etc/profile.d/raveos-fastfetch.sh ]] && source /etc/profile.d/raveos-fastfetch.sh'
    touch "$bashrc_path"
    if ! grep -Fqx "$hook_line" "$bashrc_path" 2>/dev/null; then
        printf '\n%s\n' "$hook_line" >> "$bashrc_path"
    fi
}

# A Calamares (systemd-localed) altal beallitott billentyuzet-kiosztast atirja
# a cosmic-comp xkb_config-jaba, hogy a COSMIC mar az elso bejelentkezeskor a
# valasztott kiosztast hasznalja (nem az angol alapallapotot).
write_cosmic_xkb() {
    local home="$1"
    local kb_layout="hu"
    local kb_variant=""
    local xorg_kb="/etc/X11/xorg.conf.d/00-keyboard.conf"
    if [[ -f "${xorg_kb}" ]]; then
        kb_layout="$(awk '/XkbLayout/ {print $3}' "${xorg_kb}" 2>/dev/null | tr -d '"' | head -1)"
        kb_layout="${kb_layout%%,*}"
        kb_variant="$(awk '/XkbVariant/ {print $3}' "${xorg_kb}" 2>/dev/null | tr -d '"' | head -1)"
        kb_variant="${kb_variant%%,*}"
    fi
    [[ -n "$kb_layout" ]] || kb_layout="hu"

    mkdir -p "${home}/.config/cosmic/com.system76.CosmicComp/v1"
    cat > "${home}/.config/cosmic/com.system76.CosmicComp/v1/xkb_config" <<EOF
(
    rules: "",
    model: "",
    layout: "${kb_layout}",
    variant: "${kb_variant}",
    options: None,
    repeat_delay: 600,
    repeat_rate: 25,
)
EOF
}

# Háttérkép rendszerkönyvtárba
[[ -f "${PAYLOAD}/background" ]] && \
    install -Dm644 "${PAYLOAD}/background" /usr/share/backgrounds/raveos/raveos-main-bg.jpeg

# Fastfetch profile.d script (terminál nyitáskor fut)
[[ -f "${PAYLOAD}/profile.d/raveos-fastfetch.sh" ]] && \
    install -Dm755 "${PAYLOAD}/profile.d/raveos-fastfetch.sh" /etc/profile.d/raveos-fastfetch.sh

# COSMIC rendszerfájlok színátírása (RaveOS paletta)
if [[ -d /usr/share/cosmic ]]; then
    find /usr/share/cosmic -type f -exec sed -i \
        -e 's/0.3882353/0.29411766/g' \
        -e 's/0.8156863/0.52156866/g' \
        -e 's/0.8745098/0.003921569/g' \
        {} + || true
fi

# SDDM: a téma és konfig a PKGBUILD + .install hook által van telepítve, itt nincs teendő

mkdir -p \
    /etc/skel/.config/kitty \
    /etc/skel/.config/fastfetch \
    /etc/skel/.config/cosmic/com.system76.CosmicTerm/v1

[[ -f "${PAYLOAD}/kitty/kitty.conf" ]] && \
    install -Dm644 "${PAYLOAD}/kitty/kitty.conf" /etc/skel/.config/kitty/kitty.conf
[[ -d "${PAYLOAD}/cosmic-term/v1" ]] && \
    cp -r "${PAYLOAD}/cosmic-term/v1/." /etc/skel/.config/cosmic/com.system76.CosmicTerm/v1/
for f in config.jsonc config-kitty.jsonc raveos-logo.png raveos-logo.txt; do
    [[ -f "${PAYLOAD}/fastfetch/${f}" ]] && \
        install -Dm644 "${PAYLOAD}/fastfetch/${f}" "/etc/skel/.config/fastfetch/${f}"
done
ensure_bashrc_hook /etc/skel/.bashrc
write_cosmic_xkb /etc/skel

while IFS=: read -r user _ uid gid _ home shell; do
    [[ "$uid" -ge 1000 ]] || continue
    [[ -d "$home" ]] || continue
    [[ "$shell" != "/usr/bin/nologin" && "$shell" != "/bin/false" ]] || continue

    mkdir -p \
        "${home}/.config/kitty" \
        "${home}/.config/fastfetch" \
        "${home}/.config/cosmic/com.system76.CosmicTerm/v1"

    [[ -f "${PAYLOAD}/kitty/kitty.conf" ]] && \
        install -Dm644 "${PAYLOAD}/kitty/kitty.conf" "${home}/.config/kitty/kitty.conf"
    [[ -d "${PAYLOAD}/cosmic-term/v1" ]] && \
        cp -r "${PAYLOAD}/cosmic-term/v1/." "${home}/.config/cosmic/com.system76.CosmicTerm/v1/"
    for f in config.jsonc config-kitty.jsonc raveos-logo.png raveos-logo.txt; do
        [[ -f "${PAYLOAD}/fastfetch/${f}" ]] && \
            install -Dm644 "${PAYLOAD}/fastfetch/${f}" "${home}/.config/fastfetch/${f}"
    done
    ensure_bashrc_hook "${home}/.bashrc"
    write_cosmic_xkb "${home}"

    chown -R "${uid}:${gid}" "$home"
done < /etc/passwd

echo "Telepítés kész."