<?php

namespace CachetHQ\Cachet\Controllers\Api;

use Input, Metric;
use Dingo\Api\Routing\Controller as DingoController;

class MetricController extends DingoController {

    /**
     * Get all metrics
     *
     * @return \Illuminate\Database\Eloquent\Collection
     */
    public function getMetrics() {
        return Metric::all();
    }

    /**
     * Get a single metric
     *
     * @param int $id
     *
     * @return Metric
     */
    public function getMetric($id) {
        if ($metric = Metric::find($id)) {
            return $metric;
        } else {
            App::abort(404, 'Metric not found');
        }
    }

    /**
     * Create a new metric
     *
     * @return Metric
     */
    public function postMetrics() {
        $metric = new Metric(Input::all());
        return $this->_saveMetric($metric);
    }

    /**
     * Update an existing metric
     *
     * @param int $id
     *
     * @return Metric
     */
    public function putMetric($id) {
        $metric = $this->getMetric($id);
        $metric->fill(Input::all());
        return $this->_saveMetric($metric);
    }

    /**
     * Function for saving a metric, and returning appropriate error codes
     *
     * @param Metric $metric
     *
     * @return Metric
     */
    private function _saveMetric($metric) {
        if ($metric->isValid()) {
            try {
                $metric->saveOrFail();
                return $metric;
            } catch (Exception $e) {
                App::abort(500, $e->getMessage());
            }
        } else {
            App::abort(404, $metric->getErrors()->first());
        }
    }
}