#!/bin/bash

# gets a Godot release, fetches export templates, 
# and builds a project with its native export options

PWD=`pwd`
DIR_DOWNLOAD=$PWD/download
DIR_TEMPLATES=$DIR_DOWNLOAD/templates
DIR_DEBUG=$PWD/debug
DIR_RELEASE=$PWD/release
DIR_PROJECT=$PWD/project

GODOT_VERSION=4.4-stable
GODOT_ZIP=Godot_v${GODOT_VERSION}_linux.x86_64.zip
GODOT_EXE=Godot_v${GODOT_VERSION}_linux.x86_64
GODOT_URI=https://github.com/godotengine/godot/releases/download/$GODOT_VERSION/$GODOT_ZIP

GODOT_EXPORT_TEMPLATES=Godot_v${GODOT_VERSION}_export_templates.tpz
GODOT_TEMPLATE_URI=https://github.com/godotengine/godot/releases/download/$GODOT_VERSION/$GODOT_EXPORT_TEMPLATES

GODOT=$DIR_DOWNLOAD/$GODOT_EXE

# get Godot
[[ -d $DIR_DOWNLOAD ]] || mkpath -p $DIR_DOWNLOAD 
[[ -f $DIR_DOWNLOAD/$GODOT_ZIP ]] || wget -P $DIR_DOWNLOAD $GODOT_URI
[[ -f $DIR_DOWNLOAD/$GODOT_EXE ]] || unzip $DIR_DOWNLOAD/$GODOT_ZIP -d $DIR_DOWNLOAD

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

# get export templates
[[ -f $DIR_DOWNLOAD/$GODOT_EXPORT_TEMPLATES ]] || wget -P $DIR_DOWNLOAD $GODOT_TEMPLATE_URI
[[ -d $DIR_TEMPLATES ]] || unzip -d $DIR_DOWNLOAD $DIR_DOWNLOAD/$GODOT_EXPORT_TEMPLATES

GODOT_TEMPLATE_VERSION=$(cat $DIR_TEMPLATES/version.txt)
LOCAL_TEMPLATES=$HOME/.local/share/godot/export_templates/$GODOT_TEMPLATE_VERSION
if [[ ! -d $LOCAL_TEMPLATES ]]
then
    mkdir -p $LOCAL_TEMPLATES
    cp $DIR_TEMPLATES/* $LOCAL_TEMPLATES
    # TODO: leaves extra stuff
fi

echo Godot export template version - $GODOT_TEMPLATE_VERSION
echo Local templates - $LOCAL_TEMPLATES

# execute project build
PLATFORM=macOS
[[ -d $DIR_RELEASE/$PLATFORM ]] || mkdir -p $DIR_RELEASE/$PLATFORM
[[ -d $DIR_DEBUG/$PLATFORM ]] || mkdir -p $DIR_DEBUG/$PLATFORM

echo Starting project build
$GODOT --headless --export-debug --path $DIR_PROJECT $PLATFORM $DIR_DEBUG/$PLATFORM/wolf-seeking-sheep.dmg