#!/bin/bash

# Use
# ./createprojectspace <server_fqdn> <user> <project>

export SERVER=$1
export USER=$2
export PROJECT=$3

export SERVER_PROJECT_DIR="~/.kube/projects/$PROJECT"
export SERVER_NAME=$(echo "$SERVER" | sed 's/\./-/g')
export SERVER_USER="$USER-$SERVER_NAME"

echo "Checking if project namespace exists"
exists=$(ssh $SERVER "kubectl get namespace --output=jsonpath=\"{.items[?(@.metadata.name=='$PROJECT')].metadata.name}\"")
if [ -z $exists ]; then
    echo "Namespace not found, creating"
else
    echo "Namespace exists, not overwriting"
    exit 1
fi

echo "Creating namespace dir on server"
ssh $SERVER "mkdir -p $SERVER_PROJECT_DIR"

if [ $? -ne 0 ]; then
    echo "Failed to create server project dir"
    exit 1
fi

echo "Templating namespace with helm and copying to server"
helm template $PROJECT ./namespace --set user=$USER | ssh $SERVER "cat - > $SERVER_PROJECT_DIR/namespace.yaml"

if [ $? -ne 0 ]; then
    echo "Failed to template namespace. Is helm installed?"
    exit 1
fi

echo "Creating namespace from template"
ssh $SERVER "kubectl apply -f $SERVER_PROJECT_DIR/namespace.yaml"

if [ $? -ne 0 ]; then
    echo "Failed to create namespace"
    exit 1
fi

echo "Setting config"
kubectl config set contexts.$(kubectl config current-context).namespace $PROJECT
kubectl config set contexts.$(kubectl config current-context).user $SERVER_USER
echo "done"