<?php

    require_once("utilsFunctions.php");

    require_once("dbFunctions.php");

    function getRenkan($renkanId) {

        $resRenkan = selectProject($renkanId);

        header('Content-Type: application/json');

        echo($resRenkan[0]['renkan']);

        die();

    }

    function saveRenkan($renkanId, $renkanStr) {

        $renkanJson = json_decode($renkanStr, true);

        if(array_key_exists("title", $renkanJson)) {

            $title = $renkanJson["title"];

        }

        else {

            $title = "";

        }

        $res = updateProject($renkanId, $title, $renkanStr);

        //TODO: return error when fail.

        http_response_code(200);

        echo("RES:");

        print_r($res);

        die();

    }

    function emptyRenkan($title, $description, $renkanId = NULL) {

        if(is_null($renkanId) || trim($renkanId) === '' ) {

            $renkanId = genUuid4();

        }

        $now = new DateTime('NOW');

        $renkan_array = [

            'id' => $renkanId,

            'title' => $title,

            'description' => $description,

            'uri' => NULL,

            'color' => NULL,

            'created' => $now->format("c"),

            'updated' => $now->format("c"),

            'nodes' => [],

            'edges' => [],

            'users' => [],

            'views' => []

        ];

        return json_encode($renkan_array);

    }