#!/bin/sh
#
# Calculate the Lx & Fx data.
#
# Based on 'loop_lx.sh', but only process one source
#
# Weitian LI
# 2013-10-30
#


full_path=`readlink -f $0`
base_dir=`dirname $full_path`

if [ $# -lt 2 ]; then
    printf "usage:\n"
    printf "    `basename $0` <global.cfg> [c] < 500 | 200 > ...\n"
    exit 1
fi

cfg_file="$1"
pre_results="final_result.txt"

case "$2" in
    [cC]*)
        F_C="YES"
        shift
        ;;
    *)
        F_C="NO"
        ;;
esac

shift
echo "delta: $@"    # 'printf' not work

if [ "${F_C}" = "YES" ]; then
    printf "MODE: center\n"
fi

# exit

if [ ! -r "${cfg_file}" ]; then
    printf "ERROR: global cfg not accessible\n"
    exit 11
elif [ ! -r "${pre_results}" ]; then
    printf "ERROR: previous '${pre_results}' not accessible\n"
    exit 12
else
    sbp_cfg=`grep '^sbp_cfg' $cfg_file | awk '{ print $2 }'`
    ##
    for delta in $@; do
        if grep -q '^beta2' $sbp_cfg; then
            MODEL="dbeta"
        else
            MODEL="beta"
        fi
        rout=`grep "^r${delta}" ${pre_results} | sed -e 's/=/ /' | awk '{ print $2 }'`
        if [ "${F_C}" = "YES" ]; then
            lx_res="lx_result_${delta}_c.txt"
            fx_res="fx_result_${delta}_c.txt"
            CMD="$base_dir/calc_lxfx.sh $cfg_file $rout c"
        else
            lx_res="lx_result_${delta}.txt"
            fx_res="fx_result_${delta}.txt"
            CMD="$base_dir/calc_lxfx.sh $cfg_file $rout"
        fi
        [ -e "${lx_res}" ] && mv -f ${lx_res} ${lx_res}_bak
        [ -e "${fx_res}" ] && mv -f ${fx_res} ${fx_res}_bak
        ${CMD}
        mv -f lx_result.txt ${lx_res}
        mv -f fx_result.txt ${fx_res}
    done
fi

exit 0