#!/bin/bash

# output variables:
# SRS_AUTO_HEADERS_H: the auto generated header file.

SRS_AUTO_HEADERS_H="${SRS_OBJS}/srs_auto_headers.hpp"

# write user options to headers
echo "// auto generated by configure" > $SRS_AUTO_HEADERS_H
echo "#ifndef SRS_AUTO_HEADER_HPP" >> $SRS_AUTO_HEADERS_H
echo "#define SRS_AUTO_HEADER_HPP" >> $SRS_AUTO_HEADERS_H
echo "" >> $SRS_AUTO_HEADERS_H

echo "#define SRS_PACKAGER \"${SRS_AUTO_PACKAGER}\"" >> $SRS_AUTO_HEADERS_H
echo "#define SRS_BUILD_TS \"`date +%s`\"" >> $SRS_AUTO_HEADERS_H
echo "#define SRS_BUILD_DATE \"`date \"+%Y-%m-%d %H:%M:%S\"`\"" >> $SRS_AUTO_HEADERS_H
echo "#define SRS_UNAME \"`uname -a`\"" >> $SRS_AUTO_HEADERS_H
echo "#define SRS_USER_CONFIGURE \"${SRS_AUTO_USER_CONFIGURE}\"" >> $SRS_AUTO_HEADERS_H
echo "#define SRS_CONFIGURE \"${SRS_AUTO_CONFIGURE}\"" >> $SRS_AUTO_HEADERS_H
echo "" >> $SRS_AUTO_HEADERS_H

function srs_define_macro()
{
    macro=$1 && file=$2
    echo "#define $macro" >> $file
    echo "#define ${macro}_BOOL true" >> $file
}

function srs_define_macro_value()
{
    macro=$1 && value=$2 && file=$3
    echo "#define $macro $value" >> $file
    echo "#define ${macro}_BOOL true" >> $file
}

function srs_undefine_macro()
{
    macro=$1 && file=$2
    echo "#undef $macro" >> $file
    echo "#define ${macro}_BOOL false" >> $file
}

#####################################################################################
# generate auto headers file, depends on the finished of options.sh
#####################################################################################
# auto headers in depends.
if [[ $SRS_HDS == YES ]]; then
    srs_define_macro "SRS_HDS" $SRS_AUTO_HEADERS_H
else
    srs_undefine_macro "SRS_HDS" $SRS_AUTO_HEADERS_H
fi

if [[ $SRS_SRT == YES ]]; then
    srs_define_macro "SRS_SRT" $SRS_AUTO_HEADERS_H
else
    srs_undefine_macro "SRS_SRT" $SRS_AUTO_HEADERS_H
fi

if [[ $SRS_CXX11 == YES ]]; then
    srs_define_macro "SRS_CXX11" $SRS_AUTO_HEADERS_H
else
    srs_undefine_macro "SRS_CXX11" $SRS_AUTO_HEADERS_H
fi

if [[ $SRS_CXX14 == YES ]]; then
    srs_define_macro "SRS_CXX14" $SRS_AUTO_HEADERS_H
else
    srs_undefine_macro "SRS_CXX14" $SRS_AUTO_HEADERS_H
fi

if [[ $SRS_BACKTRACE == YES ]]; then
    srs_define_macro "SRS_BACKTRACE" $SRS_AUTO_HEADERS_H
else
    srs_undefine_macro "SRS_BACKTRACE" $SRS_AUTO_HEADERS_H
fi

if [[ $SRS_RTC == YES ]]; then
    srs_define_macro "SRS_RTC" $SRS_AUTO_HEADERS_H
else
    srs_undefine_macro "SRS_RTC" $SRS_AUTO_HEADERS_H
fi

if [[ $SRS_FFMPEG_FIT == YES ]]; then
    srs_define_macro "SRS_FFMPEG_FIT" $SRS_AUTO_HEADERS_H
else
    srs_undefine_macro "SRS_FFMPEG_FIT" $SRS_AUTO_HEADERS_H
fi

if [[ $SRS_FFMPEG_OPUS == YES ]]; then
    srs_define_macro "SRS_FFMPEG_OPUS" $SRS_AUTO_HEADERS_H
else
    srs_undefine_macro "SRS_FFMPEG_OPUS" $SRS_AUTO_HEADERS_H
fi

if [[ $SRS_H265 == YES ]]; then
    srs_define_macro "SRS_H265" $SRS_AUTO_HEADERS_H
else
    srs_undefine_macro "SRS_H265" $SRS_AUTO_HEADERS_H
fi

if [[ $SRS_SIMULATOR == YES ]]; then
    srs_define_macro "SRS_SIMULATOR" $SRS_AUTO_HEADERS_H
else
    srs_undefine_macro "SRS_SIMULATOR" $SRS_AUTO_HEADERS_H
fi

if [[ $SRS_HTTPS == YES ]]; then
    srs_define_macro "SRS_HTTPS" $SRS_AUTO_HEADERS_H
else
    srs_undefine_macro "SRS_HTTPS" $SRS_AUTO_HEADERS_H
fi

if [[ $SRS_GB28181 == YES ]]; then
    srs_define_macro "SRS_GB28181" $SRS_AUTO_HEADERS_H
else
    srs_undefine_macro "SRS_GB28181" $SRS_AUTO_HEADERS_H
fi

if [[ $SRS_APM == YES ]]; then
    srs_define_macro "SRS_APM" $SRS_AUTO_HEADERS_H
else
    srs_undefine_macro "SRS_APM" $SRS_AUTO_HEADERS_H
fi

if [[ $SRS_UTEST == YES ]]; then
    srs_define_macro "SRS_UTEST" $SRS_AUTO_HEADERS_H
else
    srs_undefine_macro "SRS_UTEST" $SRS_AUTO_HEADERS_H
fi

# whatever the FFMPEG tools, if transcode and ingest specified,
# srs always compile the FFMPEG tool stub which used to start the FFMPEG process.
if [[ $SRS_FFMPEG_STUB == YES ]]; then
    srs_define_macro "SRS_FFMPEG_STUB" $SRS_AUTO_HEADERS_H
else
    srs_undefine_macro "SRS_FFMPEG_STUB" $SRS_AUTO_HEADERS_H
fi

if [[ $SRS_GPERF == YES ]]; then
    srs_define_macro "SRS_GPERF" $SRS_AUTO_HEADERS_H
else
    srs_undefine_macro "SRS_GPERF" $SRS_AUTO_HEADERS_H
fi
if [[ $SRS_GPERF_MC == YES ]]; then
    srs_define_macro "SRS_GPERF_MC" $SRS_AUTO_HEADERS_H
else
    srs_undefine_macro "SRS_GPERF_MC" $SRS_AUTO_HEADERS_H
fi
if [[ $SRS_GPERF_MD == YES ]]; then
    srs_define_macro "SRS_GPERF_MD" $SRS_AUTO_HEADERS_H
else
    srs_undefine_macro "SRS_GPERF_MD" $SRS_AUTO_HEADERS_H
fi
if [[ $SRS_GPERF_MP == YES ]]; then
    srs_define_macro "SRS_GPERF_MP" $SRS_AUTO_HEADERS_H
else
    srs_undefine_macro "SRS_GPERF_MP" $SRS_AUTO_HEADERS_H
fi
if [[ $SRS_GPERF_CP == YES ]]; then
    srs_define_macro "SRS_GPERF_CP" $SRS_AUTO_HEADERS_H
else
    srs_undefine_macro "SRS_GPERF_CP" $SRS_AUTO_HEADERS_H
fi
if [ $SRS_SANITIZER == YES ]; then
    srs_define_macro "SRS_SANITIZER" $SRS_AUTO_HEADERS_H
else
    srs_undefine_macro "SRS_SANITIZER" $SRS_AUTO_HEADERS_H
fi
if [ $SRS_SANITIZER_LOG == YES ]; then
    srs_define_macro "SRS_SANITIZER_LOG" $SRS_AUTO_HEADERS_H
else
    srs_undefine_macro "SRS_SANITIZER_LOG" $SRS_AUTO_HEADERS_H
fi
if [ $SRS_VALGRIND == YES ]; then
    srs_define_macro "SRS_VALGRIND" $SRS_AUTO_HEADERS_H
else
    srs_undefine_macro "SRS_VALGRIND" $SRS_AUTO_HEADERS_H
fi

#####################################################################################
# for embeded.
#####################################################################################
# for log level compile settings
if [[ $SRS_LOG_VERBOSE == YES ]]; then
    srs_define_macro "SRS_VERBOSE" $SRS_AUTO_HEADERS_H
else
    srs_undefine_macro "SRS_VERBOSE" $SRS_AUTO_HEADERS_H
fi
if [[ $SRS_LOG_INFO == YES ]]; then
    srs_define_macro "SRS_INFO" $SRS_AUTO_HEADERS_H
else
    srs_undefine_macro "SRS_INFO" $SRS_AUTO_HEADERS_H
fi
if [[ $SRS_LOG_TRACE == YES ]]; then
    srs_define_macro "SRS_TRACE" $SRS_AUTO_HEADERS_H
else
    srs_undefine_macro "SRS_TRACE" $SRS_AUTO_HEADERS_H
fi
if [[ $SRS_SINGLE_THREAD == YES ]]; then
    srs_define_macro "SRS_SINGLE_THREAD" $SRS_AUTO_HEADERS_H
else
    srs_undefine_macro "SRS_SINGLE_THREAD" $SRS_AUTO_HEADERS_H
fi
if [[ $SRS_SIGNAL_API == YES ]]; then
    srs_define_macro "SRS_SIGNAL_API" $SRS_AUTO_HEADERS_H
else
    srs_undefine_macro "SRS_SIGNAL_API" $SRS_AUTO_HEADERS_H
fi
if [[ $SRS_LOG_LEVEL_V2 == YES ]]; then
    srs_define_macro "SRS_LOG_LEVEL_V2" $SRS_AUTO_HEADERS_H
else
    srs_undefine_macro "SRS_LOG_LEVEL_V2" $SRS_AUTO_HEADERS_H
fi
if [[ $SRS_CROSS_BUILD == YES ]]; then
    srs_define_macro "SRS_CROSSBUILD" $SRS_AUTO_HEADERS_H
else
    srs_undefine_macro "SRS_CROSSBUILD" $SRS_AUTO_HEADERS_H
fi
if [[ $SRS_CYGWIN64 == YES ]]; then
    srs_define_macro "SRS_CYGWIN64" $SRS_AUTO_HEADERS_H
else
    srs_undefine_macro "SRS_CYGWIN64" $SRS_AUTO_HEADERS_H
fi
if [[ $SRS_OSX == YES ]]; then
    srs_define_macro "SRS_OSX" $SRS_AUTO_HEADERS_H
else
    srs_undefine_macro "SRS_OSX" $SRS_AUTO_HEADERS_H
fi

if [[ $SRS_DEBUG == YES ]]; then
    srs_define_macro "SRS_DEBUG" $SRS_AUTO_HEADERS_H
else
    srs_undefine_macro "SRS_DEBUG" $SRS_AUTO_HEADERS_H
fi

if [[ $SRS_DEBUG_STATS == YES ]]; then
    srs_define_macro "SRS_DEBUG_STATS" $SRS_AUTO_HEADERS_H
else
    srs_undefine_macro "SRS_DEBUG_STATS" $SRS_AUTO_HEADERS_H
fi

# prefix
echo "" >> $SRS_AUTO_HEADERS_H
echo "#define SRS_PREFIX \"${SRS_PREFIX}\"" >> $SRS_AUTO_HEADERS_H
echo "#define SRS_DEFAULT_CONFIG \"${SRS_DEFAULT_CONFIG}\"" >> $SRS_AUTO_HEADERS_H

echo "" >> $SRS_AUTO_HEADERS_H

#####################################################################################
# generated the contributors from AUTHORS.txt
#####################################################################################
if [[ -f AUTHORS.md ]]; then
	RTMP_SIG_SRS_AUTHORS=$(cat AUTHORS.md|grep "^-"|awk -F '`' '{print $2}')
	echo "#define RTMP_SIG_SRS_AUTHORS \"\\" >> $SRS_AUTO_HEADERS_H
	for CONTRIBUTOR in $RTMP_SIG_SRS_AUTHORS; do
	    echo "${CONTRIBUTOR} \\" >> $SRS_AUTO_HEADERS_H
	done
	echo "\"" >> $SRS_AUTO_HEADERS_H
else
	echo "#define RTMP_SIG_SRS_AUTHORS \"ossrs\"" >> $SRS_AUTO_HEADERS_H
fi

# new empty line to auto headers file.
echo "" >> $SRS_AUTO_HEADERS_H

#####################################################################################
# auto header EOF.
#####################################################################################
echo "#endif" >> $SRS_AUTO_HEADERS_H
echo "" >> $SRS_AUTO_HEADERS_H