<?php

namespace brain\controller;

use Psr\Http\Message\ResponseInterface;
use Psr\Http\Message\ServerRequestInterface;
use brain\api\v1\AuthAPI;
use brain\api\v1\PagesAPI;
use brain\api\v1\FilesAPI;
use brain\api\v1\SettingsAPI;
use brain\api\v1\InitAPI;
use brain\api\v1\MailerAPI;
use brain\data\Member;
use brain\data\Session;

class APIControl
{
    public static function get(
        ServerRequestInterface $request,
        ResponseInterface $response,
        array $args
    ): ResponseInterface {
        $filename = '';
        switch (isset($args['third']) ? $args['third'] : 'none') {
            case 'status':
                $result = AuthAPI::status();

                break;
            case 'page':
                //echo
                if (Member::verifyKey($_GET['key'])) {
                    $result = PagesAPI::getPageContent($request, $args);
                } else {
                    $result = [
                        'message' => 'API access denied, homie',
                        'type'    => 'API_ERROR',
                    ];
                }
                break;
            case 'settings':
                $token = $request->getHeader('fipamo-access-token');
                //Verify token to get site info
                if (isset($token[0])) {
                    if (Session::verifyToken($token[0])) {
                        $result = SettingsAPI::getInfo($request, $args);
                    } else {
                        $result = [
                            'message' => 'Invalid token, API access denied, homie',
                            'type'    => 'API_ERROR',
                        ];
                    }
                } else {
                    $result = [
                        'message' => 'No token, API access denied, homie',
                        'type'    => 'API_ERROR',
                    ];
                }
                break;
            case 'files':
                if (Session::active()) {
                    if ($args['third'] == 'backup') {
                        $filename = '../config/backups/latest_backup.zip';
                        if (file_exists($filename)) {
                            header('Content-Type: application/zip');
                            header(
                                'Content-Disposition: attachment; filename="' .
                                    basename($filename) .
                                    '"'
                            );
                            header('Content-Length: ' . filesize($filename));

                            flush();
                            // return readfile($filename);
                            //readfile($filename);
                            // delete file
                            //unlink($filename);
                        }
                    }
                } else {
                    $result = [
                        'message' => 'API access denied, homie',
                        'type'    => 'API_ERROR',
                    ];
                }
                // no break
            default:
                break;
        }

        $freshResponse = $response;

        if ($args['third'] == 'files') {
            $freshResponse
                ->getBody()
                ->write(file_get_contents('../config/backups/latest_back.zip'));

            $freshResponse->withHeader('Content-Type', 'application/zip');
            return $freshResponse->withAddedHeader(
                'Content-Disposition',
                'attachment; filename=latest_backup.zip'
            );
        } else {
            $response->getBody()->write(json_encode($result));
            return $response->withHeader('Content-Type', 'application/json');
        }
    }

    public static function post(
        ServerRequestInterface $request,
        ResponseInterface $response,
        array $args
    ): ResponseInterface {
        $contentType = $request->getHeader('Content-Type');
        switch ($contentType[0]) {
            case 'application/json':
                $body = json_decode(file_get_contents('php://input'), true);
                break;
            default:
                break;
        }

        switch (isset($args['third']) ? $args['third'] : 'none') {
            case 'restore': //move to 'api/auth'
            case 'init': //move to 'api/auth'
                $task   = $args['third'];
                $result = InitApi::handleInitTasks(
                    $task,
                    $task == 'init' ? $body : $request
                );
                break;
            case 'backup': //move to 'api/auth'
                $token = $request->getHeader('fipamo-access-token');
                //Verify token for admin tasks
                $result = SettingsAPI::createBackup();
                /*

                                if (Session::verifyToken($token[0])) {
                                        $result = SettingsAPI::createBackup();
                                } else {
                                        $result = [
                                                "message" => "API access denied, homie",
                                                "type" => "API_ERROR",
                                        ];
                                }
                                */
                break;
            case 'login': //move to 'api/auth'
                //check if request is remote and if so, verify token
                if ($body['remote'] || $body['remote'] == 'true') {
                    if (Member::verifyKey($body['key'])) {
                        $result = AuthAPI::login($body);
                    } else {
                        $result = [
                            'message' => 'API access denied, homie',
                            'type'    => 'API_ERROR',
                        ];
                    }
                } else {
                    //request is local, so it's cool
                    $result = AuthAPI::login($body);
                }

                break;
            case 'logout': //move to 'api/auth'
                $result = AuthAPI::logout($body);
                break;
            case 'get-secret': //move to 'api/auth'
                $result = AuthAPI::requestSecret($body);
                break;
            case 'reset-password': //move to 'api/auth'
                $result = AuthAPI::resetPassword($body);
                break;
            case 'page':
                $token = $request->getHeader('fipamo-access-token');
                //Verify token for admin tasks
                if (isset($token[0])) {
                    if (Session::verifyToken($token[0])) {
                        $result = PagesAPI::handlePageTask($request, $args);
                    } else {
                        $result = [
                            'message' => 'Invalid token, API access denied, homie',
                            'type'    => 'API_ERROR',
                        ];
                    }
                } else {
                    $result = [
                        'message' => 'No token, API access denied, homie',
                        'type'    => 'API_ERROR',
                    ];
                }

                break;
            case "files":
                $token = $request->getHeader('fipamo-access-token');
                if (isset($token[0])) {
                    if (Session::verifyToken($token[0])) {
                        $result = FilesAPI::uploadFiles($request, $args);
                    } else {
                        $result = [
                            'message' => 'Invalid token, API access denied, homie',
                            'type'    => 'API_ERROR',
                        ];
                    }
                } else {
                    $result = [
                        'message' => 'No token, API access denied, homie',
                        'type'    => 'API_ERROR',
                    ];
                }
                break;
            case 'settings':
                if (isset($body)) {
                    $postBody = $body;
                } else {
                    $postBody = null;
                }
                $task = $args['fourth'];
                if ($task == 'add-feature-background' || $task == 'add-avatar') {
                    $result = SettingsAPI::handleSettingsTask($request, $args, $postBody);
                } else {
                    $token = $request->getHeader('fipamo-access-token');
                    if (Session::verifyToken($token[0])) {
                        $result = SettingsAPI::handleSettingsTask(
                            $request,
                            $args,
                            $postBody
                        );
                    } else {
                        $result = [
                            'message' => 'API access denied, homie',
                            'type'    => 'API_ERROR',
                        ];
                    }
                }

                break;
            case 'mailer':
                $result = MailerAPI::handleMail($request, $body, $response);
                break;
            default:
                $result = [
                    'message' => "Oh, nothing to do. That's unfortunate",
                    'type'    => 'TASK_NONE',
                ];
                break;
        }
        $response->getBody()->write(json_encode($result));
        return $response->withHeader('Content-Type', 'application/json');
    }
}