#!/bin/bash -e
# SPDX-License-Identifier: MIT

LC_ALL="en_US.UTF-8"
LANG="en_US.UTF-8"
PATH="/usr/bin:/bin:/usr/sbin:/sbin:$PATH"

# Note: asahi-installer uses the REPO_BASE variable to determine the HTTP(S)
# root for system releases.
export REPO_BASE="https://repo.aosc.io/aosc-os/os-arm64/asahi"
VERSION_FLAG="https://releases.aosc.io/os-arm64/asahi/installer/latest"
INSTALLER_BASE="https://releases.aosc.io/os-arm64/asahi/installer"
INSTALLER_DATA="${REPO_BASE}/installer_data.json"

TMP="/tmp/asahi-install"

echo
echo "------------------------------------------------------"
echo "Welcome to AOSC OS Installer for Apple Silicon Devices"
echo "------------------------------------------------------"

if [ -e "$TMP" ]; then
	mv "$TMP" "$TMP-$(date +%Y%m%d-%H%M%S)"
fi

mkdir -p "$TMP"
cd "$TMP"

echo "... Querying asahi-installer versions ..."
PKG_VER="$(curl --no-progress-meter -L $VERSION_FLAG)"

echo "... Found asashi-installer version: $PKG_VER ..."

echo "... Downloading asahi-installer ..."
PKG="installer-$PKG_VER.tar.gz"
curl --no-progress-meter -L -o "$PKG" "$INSTALLER_BASE/$PKG"
if [ $? != 0 ]; then
	echo "Error downloading asahi-installer: $?"
	exit 1
fi

echo "... Extracting asahi-installer ..."
tar xf "$PKG"
if [ $? != 0 ]; then
	echo "Error extracting asahi-installer: $?"
	exit 1
fi

echo "... Querying AOSC OS system releases ..."
curl --no-progress-meter -L -O "$INSTALLER_DATA"
if [ $? != 0 ]; then
	echo "Error querying AOSC OS system releases: $?"
	exit 1
fi

echo "------------------------------------------------------"
echo "             Initializing asahi-installer             "
echo "------------------------------------------------------"

if [ "$USER" != "root" ]; then
	echo "asahi-installer requires administrative rights."
	echo "Please enter your administrator password when prompted."
	exec caffeinate -dis sudo -E ./install.sh "$@"
else
	exec caffeinate -dis ./install.sh "$@"
fi