#!/bin/bash

if [ -n "$HEROKU_APP_DEFAULT_DOMAIN_NAME" ]; then
  APP_URL="https://${HEROKU_APP_DEFAULT_DOMAIN_NAME}"
else
  if [ -f /app/app_link.txt ]; then
    APP_URL=$(cat /app/app_link.txt)
  else
    echo "Neither HEROKU_APP_DEFAULT_DOMAIN_NAME nor /app/app_link.txt is available. Exiting."
    exit 1
  fi
fi

echo $APP_URL

if [[ $DATABASE_URL =~ ^postgres://([^:]+):([^@]+)@([^:]+):([0-9]+)/([^/]+)$ ]]; then
    DB_USER="${BASH_REMATCH[1]}"
    DB_PASS="${BASH_REMATCH[2]}"
    DB_HOST="${BASH_REMATCH[3]}:${BASH_REMATCH[4]}"
    DB_NAME="${BASH_REMATCH[5]}"
else
    echo "DATABASE_URL parse error"
    exit 1
fi

mkdir -p /var/lib/gitea/custom/conf

echo "[server]" > /var/lib/gitea/custom/conf/app.ini
echo "ROOT_URL = $APP_URL" >> /var/lib/gitea/custom/conf/app.ini

echo "[database]" >> /var/lib/gitea/custom/conf/app.ini
echo "DB_TYPE = postgres" >> /var/lib/gitea/custom/conf/app.ini
echo "HOST = $DB_HOST" >> /var/lib/gitea/custom/conf/app.ini
echo "NAME = $DB_NAME" >> /var/lib/gitea/custom/conf/app.ini
echo "USER = $DB_USER" >> /var/lib/gitea/custom/conf/app.ini
echo "PASSWD = $DB_PASS" >> /var/lib/gitea/custom/conf/app.ini
echo "SSL_MODE = require" >> /var/lib/gitea/custom/conf/app.ini

/usr/local/bin/gitea web --port $PORT