#!/bin/bash

# Run melawy hooks related commands.

Lsb_release() {
    local file=/etc/lsb-release
    local melawyfile=/etc/melawy-linux-release

    if [ -f "$melawyfile" ]; then
        cp "$melawyfile" "$file"
    fi

    if [ -z "$(grep "^DISTRIB_CODENAME=" $file)" ] ; then
        # add missing DISTRIB_CODENAME=
        echo "DISTRIB_CODENAME=${quote}rolling${quote}" >> $file
    fi
    sed -i $file \
        -e "s|^DISTRIB_ID=.*|DISTRIB_ID=${quote}Melawy Linux${quote}|" \
        -e "s|^DISTRIB_CODENAME=.*|DISTRIB_CODENAME=${quote}rolling${quote}|" \
        -e "s|^DISTRIB_DESCRIPTION=.*|DISTRIB_DESCRIPTION=${quote}Melawy Linux${quote}|" \
        -e "s|^DISTRIB_RELEASE=\"\(.*\)\"|DISTRIB_RELEASE=${quote}\1${quote}|"
}

Os_release() {
    local file=/usr/lib/os-release
    local melawyfile=/etc/melawy-linux-release

    # Get URLs from the Melawy Linux web site!
    local home=https://melawy.ru/
    local doc=https://melawy.ru/
    local support=https://melawy.ru/
    local bugs=https://melawy.ru/
    local privacy=https://melawy.ru/

    sed -i $file \
        -e "s|^NAME=.*|NAME=${quote}Melawy Linux${quote}|" \
        -e "s|^PRETTY_NAME=.*|PRETTY_NAME=${quote}Melawy Linux${quote}|" \
        -e "s|^HOME_URL=.*|HOME_URL=${quote}$home${quote}|" \
        -e "s|^DOCUMENTATION_URL=.*|DOCUMENTATION_URL=${quote}$doc${quote}|" \
        -e "s|^SUPPORT_URL=.*|SUPPORT_URL=${quote}$support${quote}|" \
        -e "s|^BUG_REPORT_URL=.*|BUG_REPORT_URL=${quote}$bugs${quote}|" \
        -e "s|^LOGO=.*|LOGO=${quote}melawy-linux${quote}|" \
        -e "s|^ID=.*|ID=${quote}melawy-linux${quote}|" \
        -e "s|^ID_LIKE=.*|ID_LIKE=${quote}arch${quote}|" \
        -e "s|^PRIVACY_POLICY_URL=.*|PRIVACY_POLICY_URL=${quote}$privacy${quote}|" \
        -e "s|^ANSI_COLOR=\"\(.*\)\"|ANSI_COLOR=${quote}\1${quote}|"

    if [ -z "$(grep "^ID_LIKE=" $file)" ] && [ -n "$(grep "^ID=" $file)" ] ; then
        # add missing ID_LIKE=
        sed -i $file -e "/^ID=/a \ID_LIKE=${quote}arch${quote}"
    fi
    if [ -r $melawyfile ] ; then
        # fix BUILD_ID for Melawy Linux
        local buildid="$(grep "^VERSION=" $melawyfile | awk '{print $1}' | cut -d '=' -f 2)"
        sed -i $file -e "s|^BUILD_ID=.*|BUILD_ID=${quote}$buildid${quote}|"
    fi
}

Issues() {
#     sed -i 's|Arch|Melawy Linux|g' /etc/issue /usr/share/factory/etc/issue
    sed -i -e 's/[a-Z].*/Melawy Linux \\r (\\l)/' /etc/issue /usr/share/factory/etc/issue
}

Motd() {
MOTD=$(
cat <<'EOF'
This ISO is based on Arch-ISO modified hugely to provide Installation Environment for Melawy Linux.
https://melawy.ru

Melawy Linux-archiso Sources:
https://gitlab.com/melawy

Arch-ISO Source:
https://gitlab.archlinux.org/archlinux/archiso

Calamares as our installer:
https://github.com/calamares/calamares

Live environment will start now and let you install Melawy Linux to disk, or tryout KDE-Desktop from Live-Session.

Getting help:
https://melawy.ru
https://sourceforge.net/projects/melawy-linux/support

Bugs can be reported here:
https://sourceforge.net/projects/melawy-linux/support

Our journey wouldn't be made possible without the donates:
https://melawy.ru/donate

Thank you for donating your trust in us!

Welcome to your Melawy Linux

------------------

EOF
)

if [ -f /etc/motd ]; then
    echo "$MOTD" > /etc/motd
fi
}

Main()
{
    local hookname="$1"
    local quote="'"
    quote='\"'

    case "$hookname" in
        os-release)  Os_release ;;
        lsb-release) Lsb_release ;;
        "")          Os_release
                     Lsb_release
                     Issues
                     Motd
                     ;;
    esac
}

Main "$@"