#!/bin/bash
export LANG=C
if [ -z "$BASH" ]; then
    bash "$0" "$@"
    exit 0
fi
if [ "$(id -u)" != "0" ]; then
    sudo bash "$0" "$@"
    exit $?
fi
if [ "$(uname -m)" = "aarch64" ]; then
    echo "ARM is not supported!"
    exit 1
fi
if ! command -v ip > /dev/null || ! command -v wget > /dev/null || ! command -v lsblk > /dev/null || ! command -v fdisk > /dev/null; then
    if command -v apt >/dev/null 2>&1; then
        apt --quiet --yes update || true
        apt --quiet --yes install iproute2 wget fdisk || true
    elif command -v dnf >/dev/null 2>&1; then
        packages=(iproute2 wget fdisk util-linux)
        for package in "${packages[@]}"; do
            dnf --quiet --assumeyes install "$package" || true
        done
    elif command -v yum >/dev/null 2>&1; then
        packages=(iproute2 wget fdisk util-linux)
            for package in "${packages[@]}"; do
            yum --quiet --assumeyes install "$package" || true
        done
    fi
fi

if ! command -v ip > /dev/null; then
	echo "Please make sure 'ip' tool is available on your system and try again."
	exit 1
fi
if ! command -v wget > /dev/null; then
	echo "Please make sure 'wget' tool is available on your system and try again."
	exit 1
fi

if ! command -v lsblk > /dev/null; then
  echo "Please make sure 'lsblk' tool is available on your system and try again."
  exit 1
fi

if ! command -v blkid > /dev/null; then
  echo "Please make sure 'blkid' tool is available on your system and try again."
  exit 1
fi

if ! command -v fdisk > /dev/null; then
  echo "Please make sure 'fdisk' tool is available on your system and try again."
  exit 1
fi

if ! command -v base64 > /dev/null; then
	echo "Please make sure 'base64' tool is available on your system and try again."
	exit 1
fi

if command -v systemd-detect-virt >/dev/null; then
    case "$(systemd-detect-virt)" in
        openvz)
            echo "OpenVZ is not supported!"
            exit 1
        ;;
        lxc)
            echo "Linux container is not supported!"
            exit 1
        ;;
    esac
else
    if ! command -v hostnamectl > /dev/null; then
        echo "Please make sure 'hostnamectl' tool is available on your system and try again."
        exit 1
    fi

    if hostnamectl | grep -q "openvz"; then
        echo "Openvz is not supported!"
        exit 1;
    fi

    if hostnamectl | grep -q "lxc"; then
        echo "Linux container is not supported!"
        exit 1;
    fi
fi



downloadInstaller() {
    installerUrl="$1"

    case "$installerUrl" in
        http://*|https://*)
            ;;
        *)
            decoded=$(printf '%s' "$installerUrl" | base64 -d 2>/dev/null)
            case "$decoded" in
                http://*|https://*)
                    installerUrl="$decoded"
                    ;;
            esac
            ;;
    esac

    echo "Downloading installer..."

    rm -f /usr/local/installer /usr/local/installer.gz

    if ! wget --no-check-certificate -4 -qO /usr/local/installer.gz "$installerUrl"; then
        curl -LfsSo /usr/local/installer.gz "$installerUrl" || {
            echo "Cannot download installer!"
            return 1
        }
    fi

    if [ ! -s /usr/local/installer.gz ]; then
        echo "Cannot download installer!"
        return 1
    fi

    if ! gunzip /usr/local/installer.gz; then
        echo "Cannot extract installer!"
        return 1
    fi

    if [ ! -s /usr/local/installer ]; then
        echo "Cannot extract installer!"
        return 1
    fi

    chmod +x /usr/local/installer
}

mkdir -p /usr/local
tnHosts=(https://dl.ticdn.top/installer/latest.gz)
for tnHost in "${tnHosts[@]}"; do
    downloadInstaller "$tnHost" && break
done

if [ ! -s /usr/local/installer ]; then
    echo "Failed to download install script!"
    exit 1
fi

systemctl stop ufw
systemctl stop firewalld
if command -v iptables > /dev/null; then
    iptables -P INPUT ACCEPT
    iptables -P FORWARD ACCEPT
    iptables -P OUTPUT ACCEPT
    iptables -t nat -F
    iptables -t mangle -F
    iptables -F
    iptables -X
fi
clear
echo "Starting TinyInstaller..."
chmod +x /usr/local/installer
/usr/local/installer "$@"