#!/bin/sh

# description
# * compiles the sc source code to c
# dependencies
# * sph-sc
# * clang-format

root="$PWD"
s=source/sc
sm="$s/main"
c="$root/source/c-precompiled"
export SC_LOAD_PATH="$root/$s"

copy_example_config() {
  # the config file is not versioned so that users can customise it
  if [ ! -f "$sm/config.sc" ]
  then
    cp "$sm/config.example.sc" "$sm/config.sc"
  fi
}

copy_submodules() {
  # copy code files from submodules.
  # to not have the whole submodule repository in the source directory
  a=submodules/sph-sc-lib/source/sc/main
  b="$s/foreign/sph"
  mkdir -p "$b" &&
  cp --update --target-directory="$b" \
     "$a/status.sc" "$a/i-array.sc" "$a/set.sc" \
     "$a/string.sc" "$a/filesystem.sc" "$a/helper.sc" \
     "$a/helper2.sc" "$a/sph.sc"
}

compile_sc() {
  # create the c source code
  copy_example_config &&
  copy_submodules &&
  cd "$s" &&
  find -type f -name "*.sc" | sc --stdin-input-paths --parents "$c" &&
  cd "$root" &&
  # config.c is user editable and already in sph-db.h
  find "$c" -type f -exec ./exe/format-c -i '{}' \; &&
  rm "$c/main/config.c" &&
  mv "$c/main/sph-db.c" "$c/main/sph-db.h" &&
  mv "$c/main/sph-db-extra.c" "$c/main/sph-db-extra.h"
}

mkdir -p "$c" &&
compile_sc $@