# ------------------------------------------------------------------------------
# Package manager integration
# This file is part of the init.sh project
# Copyright (c) 2019-2021 Geoffray Levasseur <fatalerrors@geoffray-levasseur.org>
# ------------------------------------------------------------------------------
# This file is distributed under 3-clause BSD license.
# The complete license agreement can be obtained at:
# https://opensource.org/licenses/BSD-3-Clause
# ------------------------------------------------------------------------------


# ------------------------------------------------------------------------------
# Upgrade package database
pkgupdt()
{
    prnt I "Updating package list..."
    $PKG_MAN $COM_UPDATE
}
export -f pkgupdt


# ------------------------------------------------------------------------------
# Installation
pkginst()
{
    prnt I "Installing packages..."
    if [[ $# -lt 1 ]]; then
        prnt E "pkginst(): some required parameters are missing."
        exit 11
    fi
    if [[ ! $INSTALL_MODE == dev ]]; then
        exec_preinst $@
        $PKG_MAN $COM_INSTALL $@
        exec_postinst
    else
        local pkg=
        for pkg in $@; do
            exec_preinst $pkg
            $PKG_MAN $COM_INSTALL $pkg
            exec_postinst
        done
        unset pkg
    fi
}
export -f pkginst


# ------------------------------------------------------------------------------
# Upgrade
pkgupgd()
{
    prnt I "Applying system upgrade..."
    exec_preupgd
    $PKG_MAN $COM_UPGRADE
    exec_postupgd
}
export -f pkgupgd


# ------------------------------------------------------------------------------
# Uninstallation
pkgrm()
{
    prnt I "Uninstalling packages..."
    if [[ $# -lt 1 ]]; then
        prnt E "pkgrem(): some required parameters are missing."
        exit 11
    fi
    if [[ ! $INSTALL_MODE == dev ]]; then
        exec_prerm $@
        $PKG_MAN $COM_REMOVE $@
        exec_postrm
    else
        local pkg=
        for pkg in $@; do
            exec_prerm $pkg
            $PKG_MAN $COM_REMOVE $pkg
            exec_postrm
        done
        uset pkg
    fi
}
export -f pkgrm


# ------------------------------------------------------------------------------
# Cleanup
pkgautorm()
{
    prnt I "Uninstalling unneeded packages..."
    exec_preautorm
    $PKG_MAN $COM_AUTOREM
    exec_postautorm
}
export -f pkgautorm


# ------------------------------------------------------------------------------
# Execute preinstallation code
exec_preinst()
{
    local pkglist=$(get_install_list $@)
    for pkg in $pkglist; do
        if [[ $(function_exists preinst_$pkg) ]]; then
            prnt I "Running $pkg preinstallation script..."
            preinst_$pkg
        fi
    done
    export POSTINSTLIST=$pkglist
    unset pkglist
}
export -f exec_preinst


# ------------------------------------------------------------------------------
# Execute postinstallation code
exec_postinst()
{
    if [[ -z $POSTINSTLIST ]]; then
        return 0
    fi
    for pkg in $POSTINSTLIST; do
        if [[ $(function_exists postinst_$pkg) ]]; then
            prnt I "Running $pkg postinstallation script..."
            postinst_$pkg
        fi
    done
    unset POSTINSTLIST
}
export -f exec_postinst


# ------------------------------------------------------------------------------
# Execute preremove code
exec_prerm()
{
    local pkglist=$(get_remove_list $@)
    unset $cmd
    for pkg in $pkglist; do
        if [[ $(function_exists prerm_$pkg) ]]; then
            prnt I "Running $pkg preremove script..."
            prerm_$pkg
        fi
    done
    export POSTRMLIST=$pkglist
    unset pkglist
}
export -f exec_prerm


# ------------------------------------------------------------------------------
# Execute postremove code
exec_postrm()
{
    if [[ -z $POSTRMLIST ]]; then
        return 0
    fi
    for pkg in $POSTRMLIST; do
        if [[ $(function_exists postrm_$pkg) ]]; then
            prnt I "Running $pkg postremove script..."
            postrm_$pkg
        fi
    done
    unset POSTRMLIST
}
export -f exec_postrm


# ------------------------------------------------------------------------------
# Execute preupgrade code
exec_preupgd()
{
    local pkglist=$(get_upgrade_list)
    for pkg in $pkglist; do
        if [[ $(function_exists preupgd_$pkg) ]]; then
            prnt I "Running $pkg preupgrade script..."
            preupgd_$pkg
        fi
    done
    export POSTUPGDLIST=$pkglist
    unset pkglist
}
export -f exec_preupgd


# ------------------------------------------------------------------------------
# Execute postupgrade code
exec_postupgd()
{
    if [[ -z $POSTUPGDLIST ]]; then
        return 0
    fi
    for pkg in $POSTUPGDLIST; do
        if [[ $(function_exists postupgd_$pkg) ]]; then
            prnt I "Running $pkg postupgrade script..."
            postupgd_$pkg
        fi
    done
    unset POSTUPGDLIST
}
export -f exec_postupgd


# ------------------------------------------------------------------------------
# Execute prerm code in autoremove context
exec_preautorm()
{
    local pkglist=$(get_autorem_list)
    for pkg in $pkglist; do
        if [[ $(function_exists prerm_$pkg) ]]; then
            prnt I "Running $pkg preremove script..."
            prerm_$pkg
        fi
    done
    export POSTRMLIST=$pkglist
    unset pkglist
}
export -f exec_preautorm


# ------------------------------------------------------------------------------
# Execute postrm code in autoremove context
exec_postautorm()
{
    exec_postrm
}
export -f exec_postautorm


# EOF