#!/bin/bash

# banner, generated via toilet:
# toilet -F border -f future ArchBuild
banner="$(
	cat <<EOF
┌─────────────────────────┐
│┏━┓┏━┓┏━╸╻ ╻┏┓ ╻ ╻╻╻  ╺┳┓│
│┣━┫┣┳┛┃  ┣━┫┣┻┓┃ ┃┃┃   ┃┃│
│╹ ╹╹┗╸┗━╸╹ ╹┗━┛┗━┛╹┗━╸╺┻┛│
└─────────────────────────┘
EOF
)"

# colors
cYLW="$(tput setaf 221)"
cRST="$(tput sgr0)"
cGRN="$(tput setaf 119)"
cGRY="$(tput setaf 105)"

# help diagnose errors
LANG=C

function info() {
	printf "[*] $cGRY%s$cRST\n" "$1"
}

function warn() {
	printf "[!] $cYLW%s$cRST\n" "$1"
}

function success() {
	printf "[+] $cGRN%s$cRST\n" "$1"
}

# re-declare pushd/popd to remove stack output
mpushd() {
	command pushd "$@" &>/dev/null || exit 1
}

mpopd() {
	command popd &>/dev/null || exit 1
}

function gclone() {
	local repo="$1"
	local dest="$2"
	info "cloning $repo"
	git clone --quiet "$repo" "$dest"
}

function upd_pkg() {
	local pkg="$1"
	local out_dir="$PWD/$pkg"
	local clone_url="https://aur.archlinux.org/$pkg.git"

	info "updating sources for $pkg"

	if [[ -d "$out_dir" ]]; then
		mpushd "$out_dir"
		if git rev-parse --is-inside-work-tree >/dev/null 2>&1; then
			info "fetch remote ..."
			git fetch --all
			info "jump to current master ..."
			git reset --hard origin/master
			mpopd
		else
			warn "directory exists but git repo is invalid"
			mpopd
			warn "deleting old directory"
			rm -rf "$out_dir" || exit 2
			gclone "$clone_url" "$out_dir"
		fi
	else
		gclone "$clone_url" "$out_dir"
	fi

	success "updated sources for $pkg"
}

function bld_pkg() {
	local pkg="$1"
	local src_dir="$2"

	mpushd "$src_dir"

	info "building $pkg"

	makepkg -fsc &>/dev/null || exit 3

	success "built ${pkg}"
	ls ./*"-$(uname -m).pkg.tar."*
}

echo "$banner"

info "preparing build"

pkgs=("$@")

for pkg in "${pkgs[@]}"; do
	upd_pkg "$pkg"
done

for pkg in "${pkgs[@]}"; do
	bld_pkg "$pkg" "$pkg"
done