OUT_DIR ?= .
$(info "OUT_DIR : $(OUT_DIR)")
CC_FLAG += -I$(OUT_DIR)

SHELL := /bin/bash
BRANCH_NAME :="$(shell cd $(SRC_PATH);git branch -a | sed -n '/'*'/p')"
GIT_VERSION :="$(shell cd $(SRC_PATH);git log | grep commit -m 1 | cut -d' ' -f 2)"
COMMIT_CHANGEID="$(shell cd $(SRC_PATH);git log | grep Change-Id -m 1)"

COMMIT_PD :="$(shell cd $(SRC_PATH);git log | grep PD\# -m 1)"
LAST_CHANGED="$(shell cd $(SRC_PATH);git log | grep Date -m 1)"
BUILD_TIME=" $(shell date)"
BUILD_NAME=" $(shell echo ${LOGNAME})"

ifneq (,$(findstring detached,$(BRANCH_NAME)))
    # filter commit ID from "* (HEAD detached from 193c4e5f)"
    RAW_COMMIT := "$(shell echo $(BRANCH_NAME) | sed -n 's/.*detached from \([0-9a-f]\{7,\}\).*/\1/p')"
    ifneq ($(RAW_COMMIT),)
        # find remote commit ID brandh
        REMOTE_BRANCH := "$(shell cd $(SRC_PATH) && git branch -r --contains $(RAW_COMMIT) 2>/dev/null | head -1 | tr -d ' ')"
        ifneq ($(REMOTE_BRANCH),)
            BRANCH_NAME := $(REMOTE_BRANCH)
        endif
    endif
endif

VERSION_CFLAGS := -DHAVE_VERSION_INFO
VERSION_CFLAGS+=-DBRANCH_NAME=\"${BRANCH_NAME}\"
VERSION_CFLAGS+=-DGIT_VERSION=\"${GIT_VERSION}${GIT_DIRTY}\"
VERSION_CFLAGS+=-DCOMMIT_CHANGEID=\"${COMMIT_CHANGEID}\"
VERSION_CFLAGS+=-DCOMMIT_PD=\"${COMMIT_PD}\"
VERSION_CFLAGS+=-DLAST_CHANGED=\"${LAST_CHANGED}\"
VERSION_CFLAGS+=-DBUILD_TIME=\"${BUILD_TIME}\"
VERSION_CFLAGS+=-DBUILD_NAME=\"${BUILD_NAME}\"

CLIENT_LIB = libvideorender_client.so

TOOLS_PATH = ../tools

VERSION_FILE := ${OUT_DIR}/aml_version.h

# If the version file is not exist, use the original file
ifeq ($(wildcard $(VERSION_FILE)),)
    $(shell cp ../aml_version.h.in ${VERSION_FILE})
endif

$(info ***makefile support wayland->$(WAYLAND_SUPPORT))
#buildroot or local
ifeq ($(WAYLAND_SUPPORT),n)
WAYLAND_SUPPORT=n
else
WAYLAND_SUPPORT=y
endif

#path set
SCANNER_TOOL ?= wayland-scanner
PROTOCOL_PATH = wayland-protocol

GENERATED_SOURCES = \
	$(PROTOCOL_PATH)/linux-dmabuf-unstable-v1-protocol.c \
	$(PROTOCOL_PATH)/fullscreen-shell-unstable-v1-protocol.c \
	$(PROTOCOL_PATH)/linux-explicit-synchronization-unstable-v1-protocol.c \
	$(PROTOCOL_PATH)/xdg-shell-protocol.c \
	$(PROTOCOL_PATH)/viewporter-protocol.c \
	$(PROTOCOL_PATH)/vpc-protocol.c \
	$(PROTOCOL_PATH)/simplebuffer-protocol.c \
	$(PROTOCOL_PATH)/simpleshell-protocol.c

GENERATED_HEADERS = \
	$(PROTOCOL_PATH)/linux-dmabuf-unstable-v1-client-protocol.h \
	$(PROTOCOL_PATH)/fullscreen-shell-unstable-v1-client-protocol.h \
	$(PROTOCOL_PATH)/linux-explicit-synchronization-unstable-v1-client-protocol.h \
	$(PROTOCOL_PATH)/xdg-shell-client-protocol.h \
	$(PROTOCOL_PATH)/viewporter-client-protocol.h \
	$(PROTOCOL_PATH)/vpc-client-protocol.h \
	$(PROTOCOL_PATH)/vpc-server-protocol.h \
	$(PROTOCOL_PATH)/simplebuffer-client-protocol.h \
	$(PROTOCOL_PATH)/simplebuffer-server-protocol.h \
	$(PROTOCOL_PATH)/simpleshell-client-protocol.h \
	$(PROTOCOL_PATH)/simpleshell-server-protocol.h \
	$(PROTOCOL_PATH)/wayland-client-protocol.h

OBJ_WESTEROS_DISPLAY = \
	wstclient_wayland.o \
	wstclient_socket.o \
	wstclient_plugin.o

LOCAL_CFLAGS += \
	-I$(OUT_DIR)/$(PROTOCOL_PATH)

ifeq ($(WAYLAND_SUPPORT), y)
LOCAL_CFLAGS += -DSUPPORT_WAYLAND
OBJ_CLIENT_LIB += $(GENERATED_SOURCES:.c=.o)
OBJ_CLIENT_LIB += $(OBJ_WESTEROS_DISPLAY)
LD_SUPPORT += -lwayland-client
endif

LOCAL_CFLAGS += \
	-I../ \
	-I$(TOOLS_PATH) \
	-I$(STAGING_DIR)/usr/include \
	$(VERSION_CFLAGS) \

OBJ_CLIENT_LIB += \
	$(TOOLS_PATH)/Thread.o \
	$(TOOLS_PATH)/Poll.o \
	$(TOOLS_PATH)/Times.o \
	$(TOOLS_PATH)/Logger.o

LOCAL_CFLAGS += -fPIC -O -Wcpp -g

CFLAGS += $(LOCAL_CFLAGS)
CXXFLAGS += $(LOCAL_CFLAGS) -std=c++11

TARGET = $(CLIENT_LIB)

all: $(TARGET)

# Ensure generated headers exist before compiling object files
$(OBJ_WESTEROS_DISPLAY): $(GENERATED_HEADERS) $(GENERATED_SOURCES)

LD_FLAG = $(LDFLAGS) -g -fPIC -O -Wcpp -lm -lpthread -lz -Wl,-Bsymbolic -ldl
LD_FLAG_LIB = $(LD_FLAG) -shared $(LD_SUPPORT) -llog
ifneq (,$(findstring -DESSOS_RM,$(CFLAGS)))
	LD_FLAG_LIB += -lessosrmgr
	OBJ_WESTEROS_DISPLAY+=wst_essos.o
endif

%.o:%.c $(GENERATED_SOURCES) $(GENERATED_HEADERS)
	echo CC $(OUT_DIR)/$@ $(OUT_DIR)/$< $(FLAGS)
	$(CC) -c -o $(OUT_DIR)/$@ $(OUT_DIR)/$< $(CFLAGS) -fPIC

%.o:%.cpp $(GENERATED_SOURCES) $(GENERATED_HEADERS)
	echo CXX $(OUT_DIR)/$@ $< $(FLAGS)
	$(CXX) -c -o $(OUT_DIR)/$@ $< $(CXXFLAGS) -fPIC

$(CLIENT_LIB): $(OBJ_CLIENT_LIB)
	$(CXX) -o $(OUT_DIR)/$@ $(patsubst %, $(OUT_DIR)/%, $^) $(LD_FLAG_LIB)
	cp -f $(OUT_DIR)/$(CLIENT_LIB) $(STAGING_DIR)/usr/lib

$(PROTOCOL_PATH)/%-protocol.c : $(PROTOCOL_PATH)/%.xml
	echo $(@)
	mkdir -p $(@D) && $(SCANNER_TOOL) public-code $< $(OUT_DIR)/$@

$(PROTOCOL_PATH)/%-server-protocol.h : $(PROTOCOL_PATH)/%.xml
	echo $(@)
	mkdir -p $(@D) && $(SCANNER_TOOL) server-header $< $(OUT_DIR)/$@

$(PROTOCOL_PATH)/%-client-protocol.h : $(PROTOCOL_PATH)/%.xml
	echo $(@)
	mkdir -p $(@D) && $(SCANNER_TOOL) client-header $< $(OUT_DIR)/$@


.PHONY: install
install:
	echo $(TARGET_DIR)
	cp -f $(OUT_DIR)/$(CLIENT_LIB) $(TARGET_DIR)/usr/lib/

.PHONY: clean

clean:
	rm $(OUT_DIR)/$(CLIENT_LIB)
	rm -f $(OUT_DIR)/$(PROTOCOL_PATH)/*.o
	rm -f $(patsubst %, $(OUT_DIR)/%, $(OBJ_WESTEROS_DISPLAY))
	rm -f $(OUT_DIR)/*.o
	rm -f $(patsubst %, $(OUT_DIR)/%, $(OBJ_CLIENT_LIB))

$(shell mkdir -p $(OUT_DIR)/wayland-protocol)
$(shell mkdir -p $(OUT_DIR)/$(TOOLS_PATH))