#!/bin/sh

set -e

echo "/usr/local/bin/kubectl" >> $GITHUB_PATH

if [ ! -d "$HOME/.kube" ]; then
    mkdir -p $HOME/.kube
fi

if [ ! -f "$HOME/.kube/config" ]; then
    if [ ! -z "${KUBE_CONFIG}" ]; then
        echo "$KUBE_CONFIG" | base64 -d > $HOME/.kube/config

        if [ ! -z "${KUBE_CONTEXT}" ]; then
            kubectl config use-context $KUBE_CONTEXT
        fi
    elif [ ! -z "${KUBE_HOST}" ]; then
        echo "$KUBE_CERTIFICATE" | base64 -d > $HOME/.kube/certificate
        kubectl config set-cluster default --server=https://$KUBE_HOST --certificate-authority=$HOME/.kube/certificate > /dev/null

        if [ ! -z "${KUBE_PASSWORD}" ]; then
            kubectl config set-credentials cluster-admin --username=$KUBE_USERNAME --password=$KUBE_PASSWORD > /dev/null
        elif [ ! -z "${KUBE_TOKEN}" ]; then
            kubectl config set-credentials cluster-admin --token="${KUBE_TOKEN}" > /dev/null
        else
            echo "No credentials found. Please provide KUBE_TOKEN, or KUBE_USERNAME and KUBE_PASSWORD. Exiting..."
            exit 1
        fi

        kubectl config set-context default --cluster=default --namespace=default --user=cluster-admin > /dev/null
        kubectl config use-context default > /dev/null
    elif [[ $* == "kustomize" ]]; then :;
    else
        echo "No authorization data found. Please provide KUBE_CONFIG or KUBE_HOST variables. Exiting..."
        exit 1
    fi
fi

if [ -z "$dest" ]; then
    kubectl $*
else
    output=$(kubectl $*)
    echo "::set-output name=$dest::$output"

    # debug only
    #echo $output
fi