#!/bin/bash
set -e

force=$1

function safe_copy () {
    if [[ "$force" == "True" ]]; then
        sudo yunohost service safecopy \
          -s mysql $1 $2 --force
    else
        sudo yunohost service safecopy \
          -s mysql $1 $2
    fi
}

function randpass () {
    [ "$2" == "0" ] && CHAR="[:alnum:]" || CHAR="[:graph:]"
    cat /dev/urandom | tr -cd "$CHAR" | head -c ${1:-32}
    echo
}

cd /usr/share/yunohost/templates/mysql

if [[ "$(safe_copy my.cnf /etc/mysql/my.cnf | tail -n1)" == "True" ]]; then
    sudo service mysql restart
fi

if [ ! -f /etc/yunohost/mysql ]; then
    [[ $(/bin/ps aux | grep '[m]ysqld') == "0" ]] \
      && sudo service mysql start

    mysql_password=$(randpass 10 0)
    sudo mysqladmin -u root -pyunohost password $mysql_password
    echo $mysql_password | sudo tee /etc/yunohost/mysql
    sudo chmod 400 /etc/yunohost/mysql
fi