#!/bin/bash

set -e

echo "◆ Check .git repository"

if [ -z "$HUGO_GIT_URL" ]; then
  echo "△ HUGO_GIT_URL environment variable is not set"
  exit 1
fi

if [ ! -d "$HUGO_WORKING_DIR" ]; then
  echo "Clone $HUGO_GIT_URL for the first time"
  git clone $HUGO_GIT_URL $HUGO_WORKING_DIR
else
  echo "$HUGO_GIT_URL is already cloned"
fi

cd $HUGO_WORKING_DIR

echo "◆ Pull latest version from .git repository"

git fetch --all
git reset --hard origin/main

if [ ! -z "$HUGO_GIT_BRANCH" ]; then
  echo "Checkout $HUGO_GIT_BRANCH"
  git reset --hard origin/$HUGO_GIT_BRANCH
  git checkout origin/$HUGO_GIT_BRANCH
fi

if [ "$CUSTOM_DEPLOY_ENABLED" == "1" ]; then
  echo "◆ Executing custom deploy script: $HUGO_WORKING_DIR/$CUSTOM_DEPLOY_SCRIPT"
  bash $HUGO_WORKING_DIR/$CUSTOM_DEPLOY_SCRIPT
  exit 0
fi

echo "◆ Install or update Hugo Modules"

hugo mod get -u

echo "◆ Install or update NPM Modules"

if [ -f "package.json" ]; then
    apk add nodejs npm
    npm install
fi

echo "◆ Build static HTML page with Hugo"

hugo --logLevel info

rm -rf $HUGO_PUBLIC_DIR/*
cp -r $HUGO_WORKING_DIR/public/* $HUGO_PUBLIC_DIR
rm -rf $HUGO_WORKING_DIR/public/*

echo "▷ Sucessfully built new website!"