#!/bin/bash

# builds a Godot project with all its native export config options
################################################################################

DIR_BUILD=`pwd`/build
DIR_DEBUG=$DIR_BUILD/debug
DIR_RELEASE=$DIR_BUILD/release
DIR_PROJECT=`pwd`/project

GODOT="docker run -v${DIR_PROJECT}:${DIR_PROJECT} -v${DIR_BUILD}:${DIR_BUILD} cjpalmer/godot:0.1.0"
GODOT_OPTS="--headless --path $DIR_PROJECT"
EXPORT_PRESETS_CFG="$DIR_PROJECT/export_presets.cfg"

echo Godot version - $($GODOT --headless --version)

################################################################################
# execute project build

# iterate through all build types present in config file
# if arg is given, override automated export discovery
if [[ -n "$1" ]]
then
    EXPORT_NAMES=$1
else
    EXPORT_NAMES=$(awk -F= '$1=="name"{print $2}' $EXPORT_PRESETS_CFG | sed 's/"//g')
fi

for EXPORT_NAME in $EXPORT_NAMES
do
    echo
    echo Starting project build for export $EXPORT_NAME

    # create build folders
    [[ -d $DIR_RELEASE/$EXPORT_NAME ]] || mkdir -p $DIR_RELEASE/$EXPORT_NAME
    [[ -d $DIR_DEBUG/$EXPORT_NAME ]] || mkdir -p $DIR_DEBUG/$EXPORT_NAME

    # get export name from config file
    EXPORT_FNAME=$(awk -vname=${EXPORT_NAME} -F= \
        '$1=="name" && $2~name{f=1} f==1 && $1=="export_path"{print $2;exit}' \
        $EXPORT_PRESETS_CFG | sed -e 's|^.*/||' -e 's/"//g')

    # do build!
    echo $GODOT $GODOT_OPTS --export-debug "$EXPORT_NAME" $DIR_DEBUG/$EXPORT_NAME/$EXPORT_FNAME
    $GODOT $GODOT_OPTS --export-debug "$EXPORT_NAME" $DIR_DEBUG/$EXPORT_NAME/$EXPORT_FNAME
    echo $GODOT $GODOT_OPTS --export-release "$EXPORT_NAME" $DIR_RELEASE/$EXPORT_NAME/$EXPORT_FNAME
    $GODOT $GODOT_OPTS --export-release "$EXPORT_NAME" $DIR_RELEASE/$EXPORT_NAME/$EXPORT_FNAME
done