.cmds

#!/bin/bash

confirm() {
	# https://djm.me/ask
	local prompt default reply
	while true; do
		if [ "${2:-}" = "Y" ]; then
			prompt="Y/n"
			default=Y
		elif [ "${2:-}" = "N" ]; then
			prompt="y/N"
			default=N
		else
			prompt="y/n"
			default=
		fi
		# Ask the question (not using "read -p" as it uses stderr not stdout)
		printf "$1 [$prompt] "
		# Read the answer (use /dev/tty in case stdin is redirected from somewhere else)
		read reply </dev/tty
		# Default?
		if [ -z "$reply" ]; then
			reply=$default
		fi
		# Check if the reply is valid
		case "$reply" in
		Y* | y*) return 0 ;;
		N* | n*) return 1 ;;
		esac
	done
}

SCRIPT_DIR=$(cd -- "$(dirname -- "${BASH_SOURCE[0]}")" &>/dev/null && pwd)

DEV_ENV="$SCRIPT_DIR/.devenv"
if [[ -f $DEV_ENV ]]; then
	MODULE=$(npx json "module" <"$DEV_ENV")
	FPATH=$(npx json "foundry.path" <"$DEV_ENV")
	FDATA=$(npx json "foundry.data" <"$DEV_ENV")
fi

set_dev_env() {
	if [[ ! -f $DEV_ENV ]]; then
		touch $DEV_ENV
	fi
	printf '{
	"module": "%s",
	"foundry": {
		"path": "%s",
		"data": "%s"
	}
}' "$1" "$2" "$3" >$DEV_ENV
}

set_module() {
	# If there is no target passed, then print the current target
	if [[ $# == 0 ]]; then
		echo "Current Module Target: $MODULE"
		return
	fi
	if [[ -d "$SCRIPT_DIR/$1" ]]; then
		set_dev_env "$1" "$FPATH" "$FDATA"
		echo -n "$(npx json -0 -f .vscode/settings.template.json -e "this.TARGET='$1'")" >.vscode/settings.json
	else
		echo "The module directory '$1' does not exist"
	fi
	echo "Module Target is now \"$1\""
}

set_foundry() {
	# If there is no target passed, then print the current target
	if [[ $# == 0 ]]; then
		printf "Current Environment\n\tFoundry Path: %s\n\tFoundry Data: %s\n" $FPATH $FDATA
		return
	fi
	if [[ ! "$1" = "" ]]; then
		if [[ ! -d "$1" ]]; then
			printf 'The FoundryVTT Program directory does not exist at\n\t%s\n' $1
			return
		fi
	fi
	if [[ ! -d "$2" ]]; then
		printf 'The FoundryVTT Data directory does not exist at\n\t%s\n' $2
		return
	fi
	set_dev_env $MODULE "$1" "$2"
	printf 'Updated Foundry Reference
	Foundry Path: %s
	Foundry Data: %s\n' "$1" "$2"
}

launch_foundry() {
	sudo $(which node) "$FPATH/resources/app/main.js" --dataPath="$FDATA"
}

run_linter() {
	echo "Linting $MODULE"
	if [[ "$1" == "fix" ]]; then
		ESLFIX="--fix"
		JSLFIX="-i --enforce-double-quotes --trim-trailing-commas"
	fi
	npx eslint --color --ext .ts,.tsx $ESFIX "$SCRIPT_DIR/$MODULE/src" | sed 's|'"$SCRIPT_DIR"'/||g'
	echo "$JSLFIX"
	npx jsonlint -Dpq $JSLFIX -t $'\t' $(realpath "$SCRIPT_DIR/$MODULE/lang/*.json")
}

gulp_build() {
	echo "Building $MODULE"
	DIR="$SCRIPT_DIR/$MODULE"
	if [[ ! -d "$DIR" ]]; then
		echo "Could not navigate to '$DIR'"
		echo "Please make sure the module directory exists and execute the following"
		echo "	> npm run target df-module-name"
		return
	fi
	# Go to module directory
	cd $DIR
	# Execute the gulp commands
	npx gulp --color --gulpfile "${SCRIPT_DIR}/gulpfile.js" --cwd="$DIR" "$@" |& sed 's|'"$SCRIPT_DIR"'/||g'
}

git_tag() {
	MANIFEST="$SCRIPT_DIR/$MODULE/module.json"
	MODULE_NAME=$(npx json "id" <"$MANIFEST")
	MODULE_VERS=$(npx json "version" <"$MANIFEST")
	echo "Tagging ${MODULE_NAME}_${MODULE_VERS}"
	git tag -d ${MODULE_NAME}_${MODULE_VERS} 2>/dev/null
	git tag ${MODULE_NAME}_${MODULE_VERS} &&
		git push -f origin ${MODULE_NAME}_${MODULE_VERS}
	echo "Tagged current commit as \"${MODULE_NAME}_${MODULE_VERS}\""
}

open_bundle() {
	if command -v explorer.exe &>/dev/null; then
		confirm "Do you want to open the bundle in explorer?" Y &&
			explorer.exe $(wslpath -w "$SCRIPT_DIR/$MODULE/bundle/")
	elif command -v browse &>/dev/null; then
		confirm "Do you want to open the bundle in file browser?" Y &&
			browse "$SCRIPT_DIR/$MODULE/bundle/"
	elif command -v open &>/dev/null; then
		confirm "Do you want to open the bundle in finder?" Y &&
			open "$SCRIPT_DIR/$MODULE/bundle/"
	fi
	return 0
}

build_shims() {
	if [[ -d "$SCRIPT_DIR/bundle" ]]; then
		rm -R "$SCRIPT_DIR/bundle"
	fi
	mkdir "$SCRIPT_DIR/bundle"

	echo "Building Shims"

	# copy the shim raw
	for FILE in common/*.shim.ts; do
		cp "$FILE" "$SCRIPT_DIR/bundle/"
	done
	# compile the shims to tabbed JS
	tsc $SCRIPT_DIR/bundle/*.shim.ts --outDir "$SCRIPT_DIR/bundle" --target es6 --sourceMap &&
		npx spaces-to-tabs -s 4 bundle/*.shim.js ||
		return
	# minify the shim JS files
	for FILE in $SCRIPT_DIR/bundle/*.shim.js; do
		[ -e "$FILE" ] || continue
		MIN_FILE="$SCRIPT_DIR/bundle/$(basename "$FILE" .js).min.js"
		# uglify the code to a *.min.js file
		npx uglifyjs --mangle --keep-fnames "$FILE" --output "$MIN_FILE"
		# append the source map link to the minified file
		HEADER_LENGTH=$(cat $FILE | grep '*/' -n -m 1 | sed 's/\([0-9]*\).*/\1/')
		echo -n -e "$(head -$HEADER_LENGTH "$FILE")\n$(cat "$MIN_FILE")\n$(tail -1 "$FILE")" > "$MIN_FILE"
	done
}

swap_env() {
	if [[ -e "$DEV_ENV-swap" ]] ; then
		echo "Swapping dev environment but preserving module target."
	else
		echo "There is no swap environment available.\nPlease create a .devenv-swap file."
		exit
	fi
	TARGET_MODULE=$(npx json "module" <"$DEV_ENV")
	NEWP=$(npx json "foundry.path" <"$DEV_ENV-swap")
	NEWD=$(npx json "foundry.data" <"$DEV_ENV-swap")
	OLDP=$(npx json "foundry.path" <"$DEV_ENV")
	OLDD=$(npx json "foundry.data" <"$DEV_ENV")
	rm "$DEV_ENV-swap" && cp "$DEV_ENV" "$DEV_ENV-swap"
	set_dev_env "$TARGET_MODULE" "$NEWP" "$NEWD"
	printf "Environment Swapped\n\t%s -> %s\n\t%s -> %s\n" $OLDP $NEWP $OLDD $NEWD
}

COMMAND="$1"
shift
case $COMMAND in
"target") set_module "$@" ;;
"foundry") set_foundry "$@" ;;
"launch") launch_foundry "$@" ;;
"lint") run_linter "$@" ;;
"build") gulp_build "$@" ;;
"tag") git_tag ;;
"bundle") open_bundle ;;
"shims") build_shims ;;
"swap") swap_env ;;
*) echo "Unknown Command: $COMMAND" ;;
esac

exit 0