#!/bin/bash

# @see https://intoli.com/blog/exit-on-errors-in-bash-scripts/
set -e

trap 'LASTRES=$?; LAST=$BASH_COMMAND; if [[ LASTRES -ne 0 ]]; then fail "Command: \"$LAST\" exited with exit code: $LASTRES"; elif [ "$FAIL" -eq "1" ]; then fail finished with error; exit 1; else pass "finished";fi' EXIT

CURRENT_DIR="$( cd "$( dirname "${BASH_SOURCE[0]}" )" >/dev/null 2>&1 && pwd )"
DIR_NAME="${CURRENT_DIR##*/}"


FAIL=0
SOURCE_DIR=$CURRENT_DIR"/.."
BUILD_DIR=$SOURCE_DIR"/build"
DOC_DIR=$BUILD_DIR"/doc"

main() {
    doc "$@"
}

function doc() {
    info "Generation documentation"
    mkdir -p $BUILD_DIR
    cd $BUILD_DIR
    if [ ! -d "m.css" ] ; then
        info "Cloning m.css"; git clone git://github.com/mosra/m.css;
    fi
    cd m.css/documentation

    info "Installing jinja2 and Pygments"
    pip3 install jinja2 Pygments

    info "Generating doxygen"
    if [ "$1" == "clean" ]; then rm -fr $DOC_DIR; fi

    ./doxygen.py --debug $SOURCE_DIR/doc/Doxyfile-mcss
    if [ "$1" == "open" ]; then
        open $DOC_DIR/html/index.html
    fi
}

# ################
# Output funcitons
# ################
RED='\033[0;31m'
GREEN='\033[0;32m'
BLUE='\033[0;34m'
NC='\033[0m' # No Color

function info () {
  echo -e "[${BLUE} $@ ${NC}]"
}

function pass() {
  echo -e "[${GREEN}PASS${NC}] $@"
}

function fail() {
  FAIL=1; echo -e "[${RED}FAIL${NC}] $@"
}


# Run main function
main "$@"