#!/bin/bash

SCRIPT=$(readlink -f "$0")
INSTALLPATH=$(dirname "${SCRIPT}")
TOPDIR=$(dirname "${INSTALLPATH}")
default_seafile_data_dir=${TOPDIR}/seafile-data
central_config_dir=${TOPDIR}/conf
pro_pylibs_dir=${INSTALLPATH}/pro/python
seafesdir=$pro_pylibs_dir/seafes
seahubdir=${INSTALLPATH}/seahub

function check_python_executable() {
    if [[ "$PYTHON" != "" && -x $PYTHON ]]; then
        return 0
    fi

    if which python3 2>/dev/null 1>&2; then
        PYTHON=python3
    elif !(python --version 2>&1 | grep "3\.[0-9]\.[0-9]") 2>/dev/null 1>&2; then
        echo
        echo "The current version of python is not 3.x.x, please use Python 3.x.x ."
        echo
        exit 1
    else
        PYTHON="python"$(python --version | cut -b 8-10)
        if !which $PYTHON 2>/dev/null 1>&2; then
            echo
            echo "Can't find a python executable of $PYTHON in PATH"
            echo "Install $PYTHON before continue."
            echo "Or if you installed it in a non-standard PATH, set the PYTHON enviroment variable to it"
            echo
            exit 1
        fi
    fi
}

function validate_seafile_data_dir () {
    if [[ ! -d ${default_seafile_data_dir} ]]; then
        echo "Error: there is no seafile server data directory."
        echo "Have you run setup-seafile.sh before this?"
        echo ""
        exit 1;
    fi
}

function prepare_seahub_log_dir() {
    logdir=${TOPDIR}/logs
    if ! [[ -d ${logdir} ]]; then
        if ! mkdir -p "${logdir}"; then
            echo "ERROR: failed to create logs dir \"${logdir}\""
            exit 1
        fi
    fi
    export SEAHUB_LOG_DIR=${logdir}
}

check_python_executable;
validate_seafile_data_dir;
prepare_seahub_log_dir;

export SEAFILE_CONF_DIR=${default_seafile_data_dir}
export SEAFILE_CENTRAL_CONF_DIR=${central_config_dir}
export PYTHONPATH=${INSTALLPATH}/seafile/lib/python3/site-packages:${INSTALLPATH}/seafile/lib64/python3/site-packages:${INSTALLPATH}/seahub/thirdpart:$PYTHONPATH
export SEAFILE_RPC_PIPE_PATH=${INSTALLPATH}/runtime
export SEAHUB_DIR=$seahubdir

if [[ -d ${INSTALLPATH}/pro ]]; then
    export PYTHONPATH=$PYTHONPATH:$pro_pylibs_dir
    export SEAFES_DIR=$seafesdir
    export SEAFILE_RPC_PIPE_PATH=${INSTALLPATH}/runtime
fi

manage_py=${INSTALLPATH}/seahub/manage.py
exec "$PYTHON" "$manage_py" createsuperuser
