#!/usr/bin/env bash

set -euo pipefail

app="accord"
crate="passcod-accord"
mainbranch="main"
upstream_rx="passcod"

curbranch=$(git rev-parse --abbrev-ref HEAD)
if [[ "$curbranch" != "$mainbranch" ]]; then
	echo "Current branch is not $mainbranch, abort!"
	exit 1
fi

gitstatus=$(git status --untracked-files=no --porcelain)
if [[ ! -z "$gitstatus" ]]; then
	echo "Uncommited files and changes, abort!"
	exit 2
fi

upstream=$(git remote -v | grep -i "$upstream_rx" -m1 | awk '{print $1}')
echo "Upstream remote discovered as: $upstream"

git pull --rebase --autostash $upstream $mainbranch

echo "Fetching tags from upstream"
git fetch --tags "$upstream"

gitver=$(git describe --tags $(git rev-list --tags --max-count=1))
echo "Last tag from git: $gitver"

thisver=$(cargo metadata --no-deps --format-version=1 | jq ".packages[] | select(.name == \"$crate\") | .version" -r)
echo "(Version from Cargo.toml: $thisver)"

set +u
reqver="$1"
set -u
if [[ -z "$reqver" ]]; then
	curmijor=$(cut -d. -f1-2 <<< "$thisver")
	curbuild=$(cut -d. -f3 <<< "$thisver")
	nextbuild=$(expr "$curbuild" + 1)

	nextver="$curmijor.$nextbuild"
else
	nextver="$reqver"
fi

echo "Next version to be $nextver, creating..."

sed -i "s/version = \"$thisver\"/version = \"$nextver\"/" Cargo.toml
cargo check
git add Cargo.toml Cargo.lock
git commit -m "$nextver"
git tag -fam "v$nextver"{,}

echo "Pushing to upstream"
git push --follow-tags $upstream $mainbranch

notify-send -t 5000 "$app version $nextver has been pushed! Remember to cargo publish"
echo "You still need to cargo publish as needed"