<?php

use Appwrite\Utopia\Response;
use Utopia\App;
use Utopia\Database\Database;
use Utopia\Database\DateTime;
use Utopia\Database\Document;
use Utopia\Database\Query;
use Utopia\Database\Validator\Authorization;
use Utopia\Validator\WhiteList;

App::get('/v1/project/usage')
    ->desc('Get usage stats for a project')
    ->groups(['api'])
    ->label('scope', 'projects.read')
    ->label('sdk.auth', [APP_AUTH_TYPE_ADMIN])
    ->label('sdk.namespace', 'project')
    ->label('sdk.method', 'getUsage')
    ->label('sdk.response.code', Response::STATUS_CODE_OK)
    ->label('sdk.response.type', Response::CONTENT_TYPE_JSON)
    ->label('sdk.response.model', Response::MODEL_USAGE_PROJECT)
    ->param('range', '30d', new WhiteList(['24h', '7d', '30d', '90d'], true), 'Date range.', true)
    ->inject('response')
    ->inject('dbForProject')
    ->action(function (string $range, Response $response, Database $dbForProject) {
        // $usage = [];
        // if (App::getEnv('_APP_USAGE_STATS', 'enabled') == 'enabled') {
        //     $periods = [
        //         '24h' => [
        //             'period' => '1h',
        //             'limit' => 24,
        //         ],
        //         '7d' => [
        //             'period' => '1d',
        //             'limit' => 7,
        //         ],
        //         '30d' => [
        //             'period' => '1d',
        //             'limit' => 30,
        //         ],
        //         '90d' => [
        //             'period' => '1d',
        //             'limit' => 90,
        //         ],
        //     ];

        //     $metrics = [
        //         'project.$all.network.requests',
        //         'project.$all.network.bandwidth',
        //         'project.$all.storage.size',
        //         'users.$all.count.total',
        //         'databases.$all.count.total',
        //         'documents.$all.count.total',
        //         'executions.$all.compute.total',
        //         'buckets.$all.count.total'
        //     ];

        //     $stats = [];

        //     Authorization::skip(function () use ($dbForProject, $periods, $range, $metrics, &$stats) {
        //         foreach ($metrics as $metric) {
        //             $limit = $periods[$range]['limit'];
        //             $period = $periods[$range]['period'];

        //             $requestDocs = $dbForProject->find('stats', [
        //                 Query::equal('period', [$period]),
        //                 Query::equal('metric', [$metric]),
        //                 Query::limit($limit),
        //                 Query::orderDesc('time'),
        //             ]);

        //             $stats[$metric] = [];
        //             foreach ($requestDocs as $requestDoc) {
        //                 $stats[$metric][] = [
        //                     'value' => $requestDoc->getAttribute('value'),
        //                     'date' => $requestDoc->getAttribute('time'),
        //                 ];
        //             }

        //             // backfill metrics with empty values for graphs
        //             $backfill = $limit - \count($requestDocs);
        //             while ($backfill > 0) {
        //                 $last = $limit - $backfill - 1; // array index of last added metric
        //                 $diff = match ($period) { // convert period to seconds for unix timestamp math
        //                     '1h' => 3600,
        //                     '1d' => 86400,
        //                 };
        //                 $stats[$metric][] = [
        //                     'value' => 0,
        //                     'date' => DateTime::formatTz(DateTime::addSeconds(new \DateTime($stats[$metric][$last]['date'] ?? null), -1 * $diff)),
        //                 ];
        //                 $backfill--;
        //             }
        //             $stats[$metric] = array_reverse($stats[$metric]);
        //         }
        //     });

        //     $usage = new Document([
        //         'range' => $range,
        //         'requests' => $stats[$metrics[0]] ?? [],
        //         'network' => $stats[$metrics[1]] ?? [],
        //         'storage' => $stats[$metrics[2]] ?? [],
        //         'users' => $stats[$metrics[3]] ?? [],
        //         'databases' => $stats[$metrics[4]] ?? [],
        //         'documents' => $stats[$metrics[5]] ?? [],
        //         'executions' => $stats[$metrics[6]] ?? [],
        //         'buckets' => $stats[$metrics[7]] ?? [],
        //     ]);
        // }

        // $response->dynamic($usage, Response::MODEL_USAGE_PROJECT);
    });