#!/bin/bash
#
# .---.                  .              .
# |                      |              |
# |--- .--. .-.  .-.  .-.|  .-. .--.--. |.-.  .-. .--.  .-.
# |    |   (.-' (.-' (   | (   )|  |  | |   )(   )|  | (.-'
# '    '     --'  --'  -' -  -' '  '   -' -'   -' '   -  --'
#
#                    Freedom in the Cloud
#
# functions common to GNU Social server varieties
#
# License
# =======
#
# Copyright (C) 2017 Bob Mottram <bob@freedombone.net>
#
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU Affero General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
# GNU Affero General Public License for more details.
#
# You should have received a copy of the GNU Affero General Public License
# along with this program.  If not, see <http://www.gnu.org/licenses/>.

QVITTER_THEME_REPO="https://git.gnu.io/h2p/Qvitter.git"
QVITTER_THEME_COMMIT='a7f82628402db3a7579bb9b2877da3c5737da77b'

PLEROMA_REPO="https://gitgud.io/lambadalambda/pleroma-fe"
PLEROMA_COMMIT='0c7450252a3e42a5fc6488b0def26c5934fb0adb'

function pleroma_set_background_image_from_url {
    domain_name="$1"
    url="$2"
    title="$3"

    ext=
    if [ ${#url} -gt 0 ]; then
        if [[ $url == *".jpeg" || $url == *".jpg" ]]; then
            ext="jpg"
        fi
        if [[ $url == *".png" ]]; then
            ext="png"
        fi
        if [[ $url == *".gif" ]]; then
            ext="gif"
        fi
    fi

    if [ ${#ext} -gt 0 ]; then
        if [ -d /var/www/${domain_name}/htdocs/static ]; then
            cd /var/www/${domain_name}/htdocs/static

            wget $url -O bg_custom.${ext}
            if [ ! -f bg_custom.${ext} ]; then
                echo "$url"
                echo $'Custom background image for pleroma could not be downloaded'
                echo "1"
                return
            fi

            sed -i "s|\"background\":.*|\"background\": \"bg_custom.${ext}\",|g" config.json
        fi
    fi

    # customise the logo
    if [ -f /var/www/${domain_name}/htdocs/static/logo.png ]; then
        if [ -f ~/freedombone/img/logo_fbone3.png ]; then
            cp ~/freedombone/img/logo_fbone3.png /var/www/${domain_name}/htdocs/static/logo.png
        else
            if [ -f /home/$MY_USERNAME/freedombone/img/logo_fbone3.png ]; then
                cp /home/$MY_USERNAME/freedombone/img/logo_fbone3.png /var/www/${domain_name}/htdocs/static/logo.png
            fi
        fi
    fi

    # customise the title
    if [ -f /var/www/${domain_name}/htdocs/static/config.json ]; then
        sed -i "s|\"name\":.*|\"name\": \"${title}\",|g" /var/www/${domain_name}/htdocs/static/config.json
    fi

    echo "0"
}

function install_qvitter {
    domain_name=$1
    app_name=$2

    # update to the next commit
    function_check set_repo_commit
    set_repo_commit /var/www/${domain_name}/htdocs/local/plugins/Qvitter "${app_name} theme commit" "$QVITTER_THEME_COMMIT" $QVITTER_THEME_REPO

    # customise with project logo
    if [ -f /var/www/${domain_name}/htdocs/local/plugins/Qvitter/img/sprite.png ]; then
        if [ -f ~/freedombone/img/gnusocial_sprite.png ]; then
            cp ~/freedombone/img/gnusocial_sprite.png /var/www/${domain_name}/htdocs/local/plugins/Qvitter/img/sprite.png
        else
            if [ -f /home/$MY_USERNAME/freedombone/img/gnusocial_sprite.png ]; then
                cp /home/$MY_USERNAME/freedombone/img/gnusocial_sprite.png /var/www/${domain_name}/htdocs/local/plugins/Qvitter/img/sprite.png
            fi
        fi
    fi

    if [[ $(app_is_installed "${app_name}_theme") == "1" ]]; then
        return
    fi

    apt-get -yq install wget

    if [ ! -d /var/www/${domain_name}/htdocs/local/plugins ]; then
        mkdir -p /var/www/${domain_name}/htdocs/local/plugins
    fi

    cd /var/www/${domain_name}/htdocs/local/plugins
    function_check git_clone
    git_clone $QVITTER_THEME_REPO Qvitter
    cd /var/www/${domain_name}/htdocs/local/plugins/Qvitter
    git checkout $QVITTER_THEME_COMMIT -b $QVITTER_THEME_COMMIT

    config_file=/var/www/${domain_name}/htdocs/config.php
    if ! grep -q "addPlugin('Qvitter')" $config_file; then
        echo "" >> $config_file
        echo "// Qvitter settings" >> $config_file
        echo "addPlugin('Qvitter');" >> $config_file
        echo "\$config['site']['qvitter']['enabledbydefault'] = true;" >> $config_file
        echo "\$config['site']['qvitter']['defaultbackgroundcolor'] = '#f4f4f4';" >> $config_file
        echo "\$config['site']['qvitter']['defaultlinkcolor'] = '#0084B4';" >> $config_file
        echo "\$config['site']['qvitter']['timebetweenpolling'] = 30000; // 30 secs" >> $config_file
        if [[ $ONION_ONLY != 'no' ]]; then
            echo "\$config['site']['qvitter']['urlshortenerapiurl'] = 'http://qttr.at/shortener.php';" >> $config_file
            echo "\$config['site']['qvitter']['urlshortenersignature'] = 'b6afeec983';" >> $config_file
        fi
        echo "\$config['site']['qvitter']['favicon'] = 'img/favicon.ico?v=4';" >> $config_file
        echo "\$config['site']['qvitter']['sprite'] = Plugin::staticPath('Qvitter', '').'img/sprite.png?v=40';" >> $config_file
        echo "\$config['site']['qvitter']['enablewelcometext'] = false;" >> $config_file
        echo "\$config['site']['qvitter']['blocked_ips'] = array();" >> $config_file
    fi

    # customise with project logo
    if [ -f /var/www/${domain_name}/htdocs/local/plugins/Qvitter/img/sprite.png ]; then
        if [ -f ~/freedombone/img/gnusocial_sprite.png ]; then
            cp ~/freedombone/img/gnusocial_sprite.png /var/www/${domain_name}/htdocs/local/plugins/Qvitter/img/sprite.png
        fi
    fi

    chown -R www-data:www-data /var/www/${domain_name}/htdocs

    set_completion_param "${app_name} theme commit" "$QVITTER_THEME_COMMIT"

    install_completed ${app_name}_theme
}

function install_pleroma {
    app_name="$1"
    pleroma_domain="$2"
    background_url="$3"
    title="$4"

    if [ ! -d $INSTALL_DIR/pleroma ]; then
        function_check git_clone
        git_clone $PLEROMA_REPO $INSTALL_DIR/pleroma
        if [ ! -d $INSTALL_DIR/pleroma ]; then
            echo $'Unable to clone pleroma repo'
            exit 682252
        fi
    fi

    cd $INSTALL_DIR/pleroma
    git checkout $PLEROMA_COMMIT -b $PLEROMA_COMMIT
    set_completion_param "${app_name} pleroma commit" "$PLEROMA_COMMIT"

    npm install -g yarn
    yarn
    npm run build
    if [ ! -d $INSTALL_DIR/pleroma/dist ]; then
        echo 'Unable to build pleroma'
        exit 7629352
    fi
    if [ ! -f $INSTALL_DIR/pleroma/dist/index.html ]; then
        echo $'Unable to build pleroma index.html'
        exit 5282682
    fi

    mv $INSTALL_DIR/pleroma/dist/index.html $INSTALL_DIR/pleroma/dist/pleroma.html
    cp -r $INSTALL_DIR/pleroma/dist/* /var/www/${pleroma_domain}/htdocs/

    pleroma_set_background_image_from_url "$pleroma_domain" "$background_url" "$title"

    nginx_site=/etc/nginx/sites-available/${pleroma_domain}
    sed -i 's|index index.php;|index pleroma.html;|g' $nginx_site
}

function upgrade_pleroma {
    domain_name="$1"
    app_name="$2"
    background_url="$3"
    title="$4"

    if [ -d $INSTALL_DIR/pleroma ]; then
        set_repo_commit $INSTALL_DIR/pleroma "${app_name} pleroma commit" "$PLEROMA_COMMIT" $PLEROMA_REPO
        cd $INSTALL_DIR/pleroma
        npm run build
        if [ ! -d $INSTALL_DIR/pleroma/dist ]; then
            echo 'Unable to build pleroma'
            exit 268362
        fi
        mv $INSTALL_DIR/pleroma/dist/index.html $INSTALL_DIR/pleroma/dist/pleroma.html
        cp -r $INSTALL_DIR/pleroma/dist/* /var/www/${domain_name}/htdocs/
        pleroma_set_background_image_from_url "$domain_name" "$background_url" "$title"
    else
        install_pleroma "${app_name}" "${domain_name}" "${background_url}" "${title}"
    fi
}

# NOTE: deliberately there is no "exit 0"