#!/usr/bin/env bash
CBUILD_VERSION=2.2.1
CONFIG_VERSION=1

PROJECT="cimgui"
CMP_C="gcc"
CMP_CPP="g++"
STD_C="c11"
STD_CPP="c++11"
WARN_C="-Wall -Wno-discarded-qualifiers -Wno-unused-parameter"
WARN_CPP="-Wall -Wno-unused-parameter"
SRC_C=""
SRC_CPP="imgui/imgui.cpp
    imgui/imgui_demo.cpp
    imgui/imgui_draw.cpp
    imgui/imgui_tables.cpp
    imgui/imgui_widgets.cpp
    imgui/backends/imgui_impl_sdl2.cpp
    imgui/backends/imgui_impl_sdlrenderer2.cpp
    cimgui.cpp"

# Directory with dependency configs.
# See cbuild/example_dependency_configs
DEPENDENCY_CONFIGS_DIR='dependencies'
# List of dependency config files in DEPENDENCY_CONFIGS_DIR separated by space.
ENABLED_DEPENDENCIES=''

# OBJDIR structure:
#  ├── objects/      - Compiled object files. Cleans on each call of build task
#  ├── static_libs/  - Symbolic links to static libraries used by linker. Cleans on each call of build task.
#  ├── static_libs/  - Symbolic links to dynamic libraries used by linker. Cleans on each call of build task.
#  └── profile/      - gcc *.gcda profiling info files
OBJDIR="../obj"
OUTDIR="../bin"

# header include directories
INCLUDE="-I. -I./imgui -I../include/SDL2"

STATIC_LIB_FILE="$PROJECT.a"
# OS-specific options
case "$OS" in
    WINDOWS)
        SHARED_LIB_FILE="$PROJECT.dll"
        LINKER_LIBS="-L../precompiled/$OS-$ARCH -l:SDL2.dll"
        DEFINE="-DIMGUI_API=__declspec(dllexport)"
        ;;
    LINUX)
        SHARED_LIB_FILE="$PROJECT.so"
        LINKER_LIBS="-lSDL2"
        DEFINE="-DIMGUI_API=__attribute__((__visibility__(\"default\")))"
        ;;
    *)
        error "operating system $OS has no configuration variants"
        ;;
esac

# TASKS
case "$TASK" in
    # creates shared library
    build_shared_lib)
        C_ARGS="-O2 -fpic -shared $DEFINE"
        CPP_ARGS="$C_ARGS"
        LINKER_ARGS="$CPP_ARGS $LINKER_LIBS -Wl,-soname,$SHARED_LIB_FILE"
        PRE_TASK_SCRIPT=
        TASK_SCRIPT=cbuild/default_tasks/build_shared_lib.sh
        POST_TASK_SCRIPT=
        ;;
    # creates shared library with debug symbols and no optimizations
    build_shared_lib_dbg)
        C_ARGS="-O0 -g3 -fpic -shared $DEFINE"
        CPP_ARGS="$C_ARGS"
        LINKER_ARGS="$CPP_ARGS $LINKER_LIBS -Wl,-soname,$SHARED_LIB_FILE"
        PRE_TASK_SCRIPT=
        TASK_SCRIPT=cbuild/default_tasks/build_shared_lib.sh
        POST_TASK_SCRIPT=
        ;;
    # creates static library
    build_static_lib)
        C_ARGS="-O2 $DEFINE"
        CPP_ARGS="$C_ARGS"
        PRE_TASK_SCRIPT=
        TASK_SCRIPT=cbuild/default_tasks/build_static_lib.sh
        POST_TASK_SCRIPT=
        ;;
    # creates static library with debug symbols and no optimizations
    build_static_lib_dbg)
        C_ARGS="-O0 -g3 $DEFINE"
        CPP_ARGS="$C_ARGS"
        PRE_TASK_SCRIPT=
        TASK_SCRIPT=cbuild/default_tasks/build_static_lib.sh
        POST_TASK_SCRIPT=
        ;;
    # deletes generated files
    clean)
        TASK_SCRIPT=cbuild/default_tasks/clean.sh
        ;;
    # nothing to do
    "" | no_task)
        ;;
    # unknown task
    *)
        error "task <$TASK> not found"
    ;;
esac