#!/bin/bash

echo "####################################################################"
echo "# docker_gitea_setup_script                                        #"
echo "# Dennis Buchhorn - bucde@b-eit.de                                 #"
echo "####################################################################"
echo "# WARNING: password is plain text input!                           #"
echo "#                                                                  #"
echo "# Config will be saved in 'config' file.                           #"
echo "# (everything in plain text, even the password)                    #"
#echo "#  #"
echo "####################################################################"
echo ""

DATE=$(date +'%y%m%d%H%M%S')

CONFIG_EXISTS="false"
USE_EXISTING_CONFIG=""
DELETE_CONFIG=""

GITEA_PROJECT_NAME="gitea_${DATE}"
GITEA_PROJECT_NAME_SUFFIX=""
GITEA_CONTAINER_NAME="${GITEA_PROJECT_NAME}_core"
GITEA_VERSION=""
GITEA_HOST_IP_ADDRESS=""
GITEA_HOST_WEB_PORT=""
GITEA_HOST_SSH_PORT=""
GITEA_DB_HOST=""
GITEA_DB_PORT=""
GITEA_DB_NAME=""
GITEA_DB_USER=""
GITEA_DB_PASSWORD=""

read -p "Enter gitea project name suffix (leave empty for none): " GITEA_PROJECT_NAME_SUFFIX

if [ -n "$GITEA_PROJECT_NAME_SUFFIX" ]; then
    GITEA_PROJECT_NAME="${GITEA_PROJECT_NAME}_${GITEA_PROJECT_NAME_SUFFIX}"
    GITEA_CONTAINER_NAME="${GITEA_CONTAINER_NAME}_${GITEA_PROJECT_NAME_SUFFIX}"
fi

rm -f .env
touch .env
echo "COMPOSE_PROJECT_NAME="$GITEA_PROJECT_NAME >> .env
echo "GITEA_CONTAINER_NAME="$GITEA_CONTAINER_NAME >> .env

if [ -f "config" ]; then
    CONFIG_EXISTS="true"
    read -p "Config file 'config' already exists! Would you like to use this? (y/n)" USE_EXISTING_CONFIG
fi

if [ $CONFIG_EXISTS == "false" ] || [ $USE_EXISTING_CONFIG == "n" ]; then
    read -p "Enter gitea version which should be used: " GITEA_VERSION
    read -p "Enter host (vm) ip address on which gitea should be accessible: " GITEA_HOST_IP_ADDRESS
    read -p "Enter host (vm) port on which gitea web-interface should be accessible: " GITEA_HOST_WEB_PORT
    read -p "Enter host (vm) port on which gitea ssh should be accessible: " GITEA_HOST_SSH_PORT
    read -p "Enter database host for gitea: " GITEA_DB_HOST
    read -p "Enter database port for gitea: " GITEA_DB_PORT
    read -p "Enter database name for gitea: " GITEA_DB_NAME
    read -p "Enter database user name for gitea: " GITEA_DB_USER
    read -p "Enter database user password for gitea: " GITEA_DB_PASSWORD

    rm -f config
    touch config
    echo "GITEA_VERSION="$GITEA_VERSION >> config
    echo "GITEA_HOST_IP_ADDRESS="$GITEA_HOST_IP_ADDRESS >> config
    echo "GITEA_HOST_WEB_PORT="$GITEA_HOST_WEB_PORT >> config
    echo "GITEA_HOST_SSH_PORT="$GITEA_HOST_SSH_PORT >> config
    echo "GITEA_DB_HOST="$GITEA_DB_HOST >> config
    echo "GITEA_DB_PORT="$GITEA_DB_PORT >> config
    echo "GITEA_DB_NAME="$GITEA_DB_NAME >> config
    echo "GITEA_DB_USER="$GITEA_DB_USER >> config
    echo "GITEA_DB_PASSWORD="$GITEA_DB_PASSWORD >> config

    echo "Config file 'config' created!"
else
    echo "Use existing config file 'config'!"

    while read line; do
        if [[ $line == *"GITEA_HOST_IP_ADDRESS="* ]]; then
            GITEA_HOST_IP_ADDRESS=$(echo $line | cut -c 23-)
        else if [[ $line == *"GITEA_HOST_WEB_PORT="* ]]; then
            GITEA_HOST_WEB_PORT=$(echo $line | cut -c 21-)
        fi
    done < "config"
fi

cat "config" >> ".env"

read -p "Should the config file 'config' be deleted after creating the container? (y/n)" DELETE_CONFIG

docker-compose up -d

echo -n "Wait until gitea is ready ..."

while [[ "$(curl -fLs -w ''%{http_code}'' $GITEA_HOST_IP_ADDRESS:$GITEA_HOST_WEB_PORT -o /dev/null)" != "200" ]] ; do
    echo -n "."
    sleep 1
done

echo -e "\nGitea is ready!"

if [ $DELETE_CONFIG == "y" ]; then
    rm -f config

    echo "Config file 'config' deleted!"
fi

rm -f .env

echo "Done!"