#!/bin/bash

GLOBAL_FILE_MAKEFILE="Makefile"
GLOBAL_DIR_OBJS="objs"

mkdir -p ${GLOBAL_DIR_OBJS}

#####################################################################################
# prepare the depends tools
#####################################################################################
# st-1.9
if [[ -f ${GLOBAL_DIR_OBJS}/st-1.9/obj/libst.a && -f ${GLOBAL_DIR_OBJS}/st-1.9/obj/libst.so ]]; then
    echo "st-1.9t is ok.";
else
    echo "build st-1.9t"; 
    (rm -rf ${GLOBAL_DIR_OBJS}/st-1.9 && cd ${GLOBAL_DIR_OBJS} && unzip ../3rdparty/st-1.9.zip && cd st-1.9 && make linux-debug)
fi
# check status
ret=$?; if [[ $ret -ne 0 ]]; then echo "build st-1.9 failed, ret=$ret"; exit $ret; fi
if [ ! -f ${GLOBAL_DIR_OBJS}/st-1.9/obj/libst.a ]; then echo "build st-1.9 failed."; exit -1; fi
if [ ! -f ${GLOBAL_DIR_OBJS}/st-1.9/obj/libst.so ]; then echo "build st-1.9 failed."; exit -1; fi

#####################################################################################
# generate Makefile.
#####################################################################################
echo "generate Makefile"

cat << END > ${GLOBAL_FILE_MAKEFILE}
.PHONY: default help clean server _prepare_dir
default: server

help:
	@echo "Usage: make <help>|<clean>|<server>"
	@echo "  help       display this help menu"
	@echo "  clean      cleanup project"
	@echo "  server     build the srs(simple rtmp server) over st(state-threads)"

clean: 
	(cd ${GLOBAL_DIR_OBJS}; rm -rf src st_*_load)

server: _prepare_dir
	@echo "build the srs(simple rtmp server) over st(state-threads)"
	\$(MAKE) -f ${GLOBAL_DIR_OBJS}/${GLOBAL_FILE_MAKEFILE} simple_rtmp_server

# the ./configure will generate it.
_prepare_dir:
	@mkdir -p ${GLOBAL_DIR_OBJS}
END

echo 'generate Makefile ok!'

# the performance analysis, uncomments the following when use gperf to analysis the performance. see third-party/readme.txt
#Performance="-pg"
#PerformanceLink="-pg"
# enable gdb debug
GDBDebug="-g -O0"
# the warning level.
WarnLevel="-Wall -Wextra"
# the compile standard.
CppStd="-std=c++98"
# other macros defined
UserMacros=""
# the cxx flag generated.
CXXFLAGS="${CppStd} ${WarnLevel} ${GDBDebug} ${Performance} ${UserMacros}"
cat << END > ${GLOBAL_DIR_OBJS}/${GLOBAL_FILE_MAKEFILE}
CXXFLAGS = ${CXXFLAGS}
GCC = g++
LINK = \$(GCC)
AR = ar

.PHONY: default simple_rtmp_server 

default:

END

# Libraries
LibSTRoot="${GLOBAL_DIR_OBJS}/st-1.9/obj"
LibSTfile="${LibSTRoot}/libst.a"

#Core Module
MODULE_ID="CORE" 
MODULE_DEPENDS=() 
ModuleLibIncs=(${LibSTRoot})
MODULE_FILES=("srs_core" "srs_core_log" "srs_core_server" "srs_core_error" "srs_core_conn" "srs_core_conn_rtmp")
MODULE_DIR="src/core" . auto/modules.sh
CORE_OBJS="${MODULE_OBJS[@]}"

#Main Module
MODULE_ID="MAIN" 
MODULE_DEPENDS=("CORE")
ModuleLibIncs=(${LibSTRoot})
MODULE_FILES=("srs_main_server")
MODULE_DIR="src/main" . auto/modules.sh
MAIN_OBJS="${MODULE_OBJS[@].o}"

# all main entrances
MAIN_ENTRANCES=("srs_main_server")

# srs(simple rtmp server) over st(state-threads)
ModuleLibFiles=(${LibSTfile})
MODULE_OBJS="${CORE_OBJS[@]} ${CONFIG_OBJS[@]} ${PROTOCOL_OBJS[@]} ${MAIN_OBJS[@]}"
BUILD_KEY="simple_rtmp_server" APP_MAIN="srs_main_server" APP_NAME="simple_rtmp_server" LINK_OPTIONS="-ldl" SO_PATH="" . auto/apps.sh

echo 'configure ok! '

# next step.
echo "you can:"
echo "\" make \" to build the srs(simple rtmp server)."
echo "\" make help \" to get the usage of make"