#!/bin/sh
# Modified the official Deno download script to adapt to the domestic CDN

set -e

if ! command -v unzip >/dev/null && ! command -v 7z >/dev/null; then
	echo "Error: either unzip or 7z is required to install Deno." 1>&2
	exit 1
fi

if [ "$OS" = "Windows_NT" ]; then
	target="x86_64-pc-windows-msvc"
else
	case $(uname -sm) in
	"Darwin x86_64") target="x86_64-apple-darwin" ;;
	"Darwin arm64") target="aarch64-apple-darwin" ;;
	"Linux aarch64") target="aarch64-unknown-linux-gnu" ;;
	*) target="x86_64-unknown-linux-gnu" ;;
	esac
fi

deno_uri="http://esa-runtime.myalicdn.com/runtime/deno-${target}.zip"
deno_install="${DENO_INSTALL:-$HOME/.deno}"
bin_dir="$deno_install/bin"
exe="$bin_dir/deno"

if [ ! -d "$bin_dir" ]; then
	mkdir -p "$bin_dir"
fi
echo $deno_uri
curl --fail --location --progress-bar --output "$exe.zip" "$deno_uri"
if command -v unzip >/dev/null; then
	unzip -d "$bin_dir" -o "$exe.zip"
else
	7z x -o"$bin_dir" -y "$exe.zip"
fi
chmod +x "$exe"
rm "$exe.zip"

echo "Runtime was installed successfully to $exe"
if command -v deno >/dev/null; then
	echo "Run 'deno --help' to get started"
else
	case $SHELL in
	/bin/zsh) shell_profile=".zshrc" ;;
	*) shell_profile=".bashrc" ;;
	esac
	echo "Manually add the directory to your \$HOME/$shell_profile (or similar)"
	echo "  export DENO_INSTALL=\"$deno_install\""
	echo "  export PATH=\"\$DENO_INSTALL/bin:\$PATH\""
	echo "Run '$exe --help' to get started"
fi