#!/bin/bash

set -eu -o pipefail

phar='geoip2.phar'

changelog=$(cat CHANGELOG.md)

regex='
([0-9]+\.[0-9]+\.[0-9]+) \(([0-9]{4}-[0-9]{2}-[0-9]{2})\)
-*

((.|
)*)
'

if [[ ! $changelog =~ $regex ]]; then
      echo "Could not find date line in change log!"
      exit 1
fi

version="${BASH_REMATCH[1]}"
date="${BASH_REMATCH[2]}"
notes="$(echo "${BASH_REMATCH[3]}" | sed -n -e '/^[0-9]\+\.[0-9]\+\.[0-9]\+/,$!p')"

if [[ "$date" !=  $(date +"%Y-%m-%d") ]]; then
    echo "$date is not today!"
    exit 1
fi

tag="v$version"

rm -f "$phar"

if [ -n "$(git status --porcelain)" ]; then
    echo ". is not clean." >&2
    exit 1
fi

rm -fr vendor

php composer.phar self-update
php composer.phar update --no-dev

perl -pi -e "s/(?<=const VERSION = ').+?(?=';)/$tag/g" src/WebService/Client.php

if [ ! -f box.phar ]; then
    wget -O box.phar "https://github.com/box-project/box2/releases/download/2.7.5/box-2.7.5.phar"
fi

php box.phar build

phar_test=$(./dev-bin/phar-test.php)
if [[ -n $phar_test ]]; then
    echo "Phar test outputed non-empty string: $phar_test"
    exit 1
fi

# Download test deps
php composer.phar update

./vendor/bin/phpunit

if [ ! -d .gh-pages ]; then
    echo "Checking out gh-pages in .gh-pages"
    git clone -b gh-pages git@github.com:maxmind/GeoIP2-php.git .gh-pages
    pushd .gh-pages
else
    echo "Updating .gh-pages"
    pushd .gh-pages
    git pull
fi

if [ -n "$(git status --porcelain)" ]; then
    echo ".gh-pages is not clean" >&2
    exit 1
fi

# We no longer have apigen as a dependency in Composer as it pulls in old
# versions of other libraries, breaking PHP 7.2.
#
# Note that the Phar is no longer being updated. We will likely need to go
# back to a Composer dep or use another generator at some point in the
# future.
wget -O apigen.phar "http://apigen.org/apigen.phar"

php apigen.phar generate \
    -s ../src \
    -s ../../MaxMind-DB-Reader-php/src \
    -d "doc/$tag" \
    --title "GeoIP2 PHP API $tag" \
    --php


page=index.md
cat <<EOF > $page
---
layout: default
title: MaxMind GeoIP2 PHP API
language: php
version: $tag
---

EOF

cat ../README.md >> $page

git add doc/

echo "Release notes for $tag:"
echo "$notes"

read -e -p "Commit changes and push to origin? " should_push

if [ "$should_push" != "y" ]; then
    echo "Aborting"
    exit 1
fi

git commit -m "Updated for $tag" -a
git push

popd

git commit -m "Update for $tag" -a

git push

message="$version

$notes"

hub release create -a "$phar" -m "$message" "$tag"

git push --tags