#!/bin/sh
# SPDX-License-Identifier: MIT

# Truncation guard
if true; then
    set -e

    if [ ! -e /System ]; then
        echo "You appear to be running this script from Linux or another non-macOS system."
        echo "Asahi Linux can only be installed from macOS (or recoveryOS)."
        exit 1
    fi

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

    if ! curl --no-progress-meter file:/// >/dev/null 2>&1; then
        echo "Your version of cURL is too old. This usually means your macOS is very out"
        echo "of date. Installing Asahi Linux requires at least macOS version 13.5."
        exit 1
    fi

    export VERSION_FLAG=https://cdn.asahilinux.org/installer/latest
    export INSTALLER_BASE=https://cdn.asahilinux.org/installer
    export INSTALLER_DATA=https://bananas-archive.debian.net/staging/installer_data.json
    export INSTALLER_DATA_ALT=
    export REPO_BASE=https://bananas-archive.debian.net/staging/
    export REPORT=https://stats.asahilinux.org/report
    export REPORT_TAG=
    export DISTRO=Debian

    #TMP="$(mktemp -d)"
    TMP=/tmp/asahi-install

    echo
    echo "You should not be using this script for installing Debian"
    echo "on your machine. This script is used only for development"
    echo "and testing. Please exit the installation procedure using"
    echo "ctrl + C unless you know what you're doing."
    sleep 7

    echo
    echo "Alright, let's go ahead."
    sleep 2

    echo
    echo "Bootstrapping installer:"

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

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

    echo "  Checking version..."

    PKG_VER="$(curl --no-progress-meter -L "$VERSION_FLAG")"
    echo "  Version: $PKG_VER"

    PKG="installer-$PKG_VER.tar.gz"

    echo "  Downloading..."

    curl --no-progress-meter -L -o "$PKG" "$INSTALLER_BASE/$PKG"
    if ! curl --no-progress-meter -L -O "$INSTALLER_DATA"; then
        echo "    Error downloading installer_data.json. GitHub might be blocked in your network."
        echo "    Please consider using a VPN if you experience issues."
        echo "    Trying workaround..."
        curl --no-progress-meter -L -O "$INSTALLER_DATA_ALT"
    fi

    echo "  Extracting..."

    tar xf "$PKG"

    echo "  Initializing..."
    echo

    if [ "$USER" != "root" ]; then
        echo "The installer needs to run as root."
        echo "Please enter your sudo password if prompted."
        exec caffeinate -dis sudo -E ./install.sh "$@"
    else
        exec caffeinate -dis ./install.sh "$@"
    fi
fi