<?php

namespace App\Service;

use App\Entity\JiraAssignee;
use App\Entity\JiraIssueType;
use App\Entity\JiraStatus;
use App\Entity\KanbanBoard;
use App\Entity\KanbanEntry;
use Zend\Config\Config;
use Zend\Http\Client;
use Zend\Json\Decoder;
use Zend\Json\Json;

class DataCollectorService
{
    /**
     * @var Config
     */
    private $config;

    /**
     * @var Client
     */
    private $httpClient;

    /**
     * @var AvatarService
     */
    private $avatarService;

    /**
     * JiraClientService constructor.
     * @param Client $client
     * @param Config $config
     */
    public function __construct(Client $client, Config $config, AvatarService $avatarService)
    {
        $this->avatarService = $avatarService;
        $this->httpClient = $client;
        $this->config = $config;
    }

    /**
     * @return KanbanBoard
     */
    public function getKanbanBoard(): KanbanBoard
    {
        $user     = $this->config->get('jira.user');
        $password = $this->config->get('jira.password');
        /** @var Config $kanbanBoardUriParams */
        $kanbanBoardUriParams = $this->config->get('url.jiraKanbanBoard');

        $kanbanBoardUri = sprintf(
            $kanbanBoardUriParams['baseUrl'],
            $kanbanBoardUriParams['filterId'],
            implode(",", $kanbanBoardUriParams['fields']->toArray())
        );

        $response = $this->httpClient
            ->setAuth($user, $password)
            ->setUri($kanbanBoardUri)
            ->send();

        if(!$response->isSuccess()) {
            throw new \UnexpectedValueException("Bad JIRA result", $response->getStatusCode());
        }

        $parsedJsonData = Decoder::decode($response->getBody(), Json::TYPE_ARRAY);
        return $this->hydrateKanbanBoard($parsedJsonData);
    }

    /**
     * @param $parsedJsonData
     * @return KanbanBoard
     * @todo check if avatar has to be locally cached
     */
    private function hydrateKanbanBoard($parsedJsonData): KanbanBoard
    {
        $kanbanBoard = new KanbanBoard();

        foreach($parsedJsonData['issues'] as $jsonIssue) {
            $kanbanEntry = new KanbanEntry();
            $kanbanEntry->setId(intval($jsonIssue['id']))
                ->setKey($jsonIssue['key'])
                ->setSummary($jsonIssue['fields']['summary'])
                ->setExternalLink($jsonIssue['fields']['customfield_10850'])
                ->setMhwebStatus($jsonIssue['fields']['customfield_10844'])
                ->setAnswerCode($jsonIssue['fields']['customfield_11692'])
            ;

            // externalId : customfield_10010
            if(isset($jsonIssue['fields']['customfield_10010'])) {
                $kanbanEntry->setPrio(intval($jsonIssue['fields']['customfield_10010']));
            }

            // prio : customfield_10840
            if(isset($jsonIssue['fields']['customfield_11226'])) {
                $kanbanEntry->setPrio($jsonIssue['fields']['customfield_11226']);
            }

            // functional area : customfield_11225
            if(isset($jsonIssue['fields']['customfield_11225'])) {
                foreach ($jsonIssue['fields']['customfield_11225'] as $functionalArea) {
                    $kanbanEntry->addFunctionalArea($functionalArea['value']);
                }
            }

            // project : customfield_10840
            if(isset($jsonIssue['fields']['customfield_10840'])) {
                $kanbanEntry->setProject($jsonIssue['fields']['customfield_10840']['value']);
            }

            // mhweb hot : customfield_10847
            if(isset($jsonIssue['fields']['customfield_10847'])) {
                $boolVal = $jsonIssue['fields']['customfield_10847'][0]['value'] == 'yes';
                $kanbanEntry->setMhwebHot($boolVal);
            }

            // mhweb external : customfield_10849
            if(isset($jsonIssue['fields']['customfield_10849'])) {
                $boolVal = $jsonIssue['fields']['customfield_10849'][0]['value'] == 'yes';
                $kanbanEntry->setMhwebExternal($boolVal);
            }

            // team : customfield_10904
            if(isset($jsonIssue['fields']['customfield_10904'])) {
                $kanbanEntry->setTeam($jsonIssue['fields']['customfield_10904']['value']);
            }

            // jira status
            $jiraStatus = new JiraStatus();
            $jiraStatus->setName($jsonIssue['fields']['status']['name'])
                ->setColor($jsonIssue['fields']['status']['statusCategory']['colorName']);
            $kanbanEntry->setStatus($jiraStatus);

            // assignee
            if($jsonIssue['fields']['assignee']) {
                $avatarUrl = $this->avatarService->getJiraAvatarUrl(
                    $jsonIssue['fields']['assignee']['avatarUrls']['48x48'],
                    $jsonIssue['fields']['assignee']['key']
                );

                $jiraAssignee = new JiraAssignee();
                $jiraAssignee->setName($jsonIssue['fields']['assignee']['displayName'])
                    ->setSignum($jsonIssue['fields']['assignee']['key'])
                    ->setEmail(strtolower($jsonIssue['fields']['assignee']['emailAddress']))
                    ->setAvatar($avatarUrl)
                    ->setActive($jsonIssue['fields']['assignee']['active']);

                $kanbanEntry->setAssignee($jiraAssignee);
                unset($jiraAssignee);
            }

            // issue type
            if($jsonIssue['fields']['issuetype']) {
                $jiraIssueType = new JiraIssueType();
                $jiraIssueType->setName($jsonIssue['fields']['issuetype']['name'])
                    ->setDescription($jsonIssue['fields']['issuetype']['description'])
                    ->setIcon($jsonIssue['fields']['issuetype']['iconUrl']);

                $kanbanEntry->setIssueType($jiraIssueType);
                unset($jiraIssueType);
            }

            switch($jiraStatus->getName()) {
                case "Backlog":
                    $kanbanBoard->addInbox($kanbanEntry);
                    break;
                case "In Progress":
                    $kanbanBoard->addInProgress($kanbanEntry);
                    break;
                case "Verification":
                    $kanbanBoard->addVerification($kanbanEntry);
                    break;
                case "Done":
                    $kanbanBoard->addDone($kanbanEntry);
                    break;
            }
            unset($kanbanEntry);
        }

        return $kanbanBoard;
    }
}