#!/usr/bin/env bash

# CONSTANTS


# FUNCTIONS

function halt_on_error {
	>&2 echo "ERROR: $1"
	exit ${2:-1}
}

function assert_root {
    [ "$(id -u)" -ne 0 ] && halt_on_error 'root privilege required!' 1
}

function assert_proxmox {
	grep -q ^ID=debian /etc/os-release || halt_on_error 'distro debian required!' 2
	command -v pct >/dev/null || halt_on_error 'command `pct` not found!' 3
	command -v curl >/dev/null || halt_on_error 'command `curl` not found!' 4
}

function install_miaou_bash {
	if [[ ! -d /opt/miaou-bash ]]; then
		echo 'installing miaou-bash...'
		curl https://git.artcode.re/miaou/miaou-bash/raw/branch/main/install.sh | sudo bash -s
	fi
}

function install_miaou_proxmox {
	if [[ ! -d /opt/miaou-proxmox ]]; then
		echo 'installing miaou-proxmox...'
		git clone https://git.artcode.re/miaou/miaou-proxmox.git /opt/miaou-proxmox
	else
		cd /opt/miaou-proxmox
		git pull
		cd - >/dev/null
	fi
	status=$(append_or_replace  '^PATH=\$PATH:/opt/miaou-proxmox/bin' 'PATH=$PATH:/opt/miaou-proxmox/bin' $HOME/.bashrc)
	[[ $status == 'appended' ]] && echo 'successfully installed! please run `source $HOME/.bashrc`'
}

# MAIN

set Eue
assert_root
assert_proxmox
install_miaou_bash
install_miaou_proxmox