#!/usr/bin/env bash

BIN_DIR=$HOME/bin
mkdir -p $BIN_DIR
EGET_BIN=$BIN_DIR
YAMLDOC="info/tools.yml"
alias eget="eget --system linux/amd64"

post_download_install() {

	tool=$1
	temp_file=$(mktemp -p . ${tool}.XXX.sh)
	key=$tool yq e 'explode(.) | .[env(key)].post-download' $YAMLDOC >$temp_file
	. $temp_file
	rm $temp_file

}

eget_tool() {

	tool=$1

	echo -n $tool

	user=$(key=$tool yq e 'explode(.) | .[env(key)].user' $YAMLDOC)
	asset=$(key=$tool yq e 'explode(.) | .[env(key)].asset // ""' $YAMLDOC)
	file=$(key=$tool yq e 'explode(.) | .[env(key)].file // ""' $YAMLDOC)
	to=$(key=$tool yq e 'explode(.) | .[env(key)].to // ""' $YAMLDOC)
	download_only=$(key=$tool yq e 'explode(.) | .[env(key)].download-only // ""' $YAMLDOC)

	eget $user/$tool \
		${asset:+--asset $asset} \
		${file:+--file $file} \
		${to:+--to $to} \
		${download_only:+--download-only} \
		-q

	if [[ $download_only ]]; then
		echo -n ' --> '
		echo -n 'running post-download script'
		post_download_install $tool
	fi

	echo
}

if ! $(is-executable eget); then
	echo "I don't see eget on your path..."
	read -p "Do you want to download it to ${BIN_DIR}? " -n 1 -r
	echo # (optional) move to a new line
	if [[ ! $REPLY =~ ^[Yy]$ ]]; then
		exit 1
	else
		curl https://zyedidia.github.io/eget.sh | sh
		mv eget $BIN_DIR/eget
	fi
fi

echo "downloading binaries from github to $EGET_BIN"

if ! $(is-executable yq); then
	eget mikefarah/yq --asset yq_linux_amd64
fi

if ! [ -z "$1" ]; then
	tool=$1

	echo "installing $tool"
	info=$(key=$tool yq e 'explode(.) | .[env(key)]' $YAMLDOC)
	if [[ $info == "null" ]]; then
		echo "$tool not found in $YAMLDOC"
		echo "exiting"
		exit 1
	else
		eget_tool $tool
	fi
	exit
fi

echo "no tool specified installing everything"

readarray tools < <(yq e 'keys | .[]' $YAMLDOC)

for tool in "${tools[@]:1}"; do
	eget_tool $tool
done