#!/bin/bash

echo "####################################################################"
echo "# docker_drone_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=""

DRONE_PROJECT_NAME="drone_${DATE}"
DRONE_PROJECT_NAME_SUFFIX=""
DRONE_CONTAINER_NAME="${DRONE_PROJECT_NAME}_core"
DRONE_VERSION=""
DRONE_HOST_IP_ADDRESS=""
DRONE_HOST_PORT=""
DRONE_GITEA_SERVER=""
DRONE_GITEA_CLIENT_ID=""
DRONE_GITEA_CLIENT_SECRET=""
DRONE_RPC_SECRET=""

read -p "Enter drone project name suffix (leave empty for none): " DRONE_PROJECT_NAME_SUFFIX

if [ -n "$DRONE_PROJECT_NAME_SUFFIX" ]; then
    DRONE_PROJECT_NAME="${DRONE_PROJECT_NAME}_${DRONE_PROJECT_NAME_SUFFIX}"
    DRONE_CONTAINER_NAME="${DRONE_CONTAINER_NAME}_${DRONE_PROJECT_NAME_SUFFIX}"
fi

rm -f .env
touch .env
echo "COMPOSE_PROJECT_NAME="$DRONE_PROJECT_NAME >> .env
echo "DRONE_CONTAINER_NAME="$DRONE_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 drone version which should be used: " DRONE_VERSION
    read -p "Enter host (vm) ip address on which drone should be accessible: " DRONE_HOST_IP_ADDRESS
    read -p "Enter host (vm) port on which drone should be accessible: " DRONE_HOST_PORT
    read -p "Enter gitea host name/ip (http(s):// is important!): " DRONE_GITEA_SERVER
    read -p "Enter gitea oauth client id: " DRONE_GITEA_CLIENT_ID
    read -p "Enter gitea oauth client secret: " DRONE_GITEA_CLIENT_SECRET

    DRONE_RPC_SECRET=$(openssl rand -hex 16)

    echo "DRONE_RPC_SECRET is "$DRONE_RPC_SECRET

    rm -f config
    touch config
    echo "DRONE_VERSION="$DRONE_VERSION >> config
    echo "DRONE_HOST_IP_ADDRESS="$DRONE_HOST_IP_ADDRESS >> config
    echo "DRONE_HOST_PORT="$DRONE_HOST_WEB_PORT >> config
    echo "DRONE_GITEA_SERVER="$DRONE_GITEA_SERVER >> config
    echo "DRONE_GITEA_CLIENT_ID="$DRONE_GITEA_CLIENT_ID >> config
    echo "DRONE_GITEA_CLIENT_SECRET="$DRONE_GITEA_CLIENT_SECRET >> config
    echo "DRONE_RPC_SECRET="$DRONE_RPC_SECRET >> config

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

    while read line; do
        if [[ $line == *"DRONE_HOST_IP_ADDRESS="* ]]; then
            DRONE_HOST_IP_ADDRESS=$(echo $line | cut -c 23-)
        elif [[ $line == *"DRONE_HOST_WEB_PORT="* ]]; then
            DRONE_HOST_WEB_PORT=$(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 drone 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 "\nDrone is ready!"

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

    echo "Config file 'config' deleted!"
fi

rm -f .env

echo "Done!"