<?php

class ContentActions extends Actions
{
    const
    SLUG_RSS = 'rss.xml',
    SLUG_NEWS = 'news',
    SLUG_FAQ = 'faq',
    SLUG_PRESS = 'press',
    SLUG_BOUNTY = 'bounty',
    SLUG_CREDIT_REPORTS = 'credit-reports',
    SLUG_JOBS = 'jobs',

    URL_NEWS = '/' . self::SLUG_NEWS,
    URL_FAQ = '/' . self::SLUG_FAQ,
    URL_PRESS = '/' . self::SLUG_PRESS,
    URL_BOUNTY = '/' . self::SLUG_BOUNTY,
    URL_CREDIT_REPORTS = '/' . self::SLUG_CREDIT_REPORTS,

    CONTENT_DIR = ROOT_DIR . '/content',

    VIEW_FOLDER_NEWS = self::CONTENT_DIR . '/' . self::SLUG_NEWS,
    VIEW_FOLDER_FAQ = self::CONTENT_DIR . '/' . self::SLUG_FAQ,
    VIEW_FOLDER_BOUNTY = self::CONTENT_DIR . '/' . self::SLUG_BOUNTY,
    VIEW_FOLDER_PRESS = self::CONTENT_DIR . '/' . self::SLUG_PRESS,
    VIEW_FOLDER_CREDIT_REPORTS = self::CONTENT_DIR . '/' . self::SLUG_CREDIT_REPORTS,
    VIEW_FOLDER_JOBS = self::CONTENT_DIR . '/' . self::SLUG_JOBS;

    public static function executeHome(): array
    {
        Response::enableHttpCache();
        return ['page/home'];
    }

    public static function executeNews(string $slug = null): array
    {
        Response::enableHttpCache();

        if (!$slug || $slug == static::SLUG_RSS) {
            $posts = array_filter(
        Post::find(static::VIEW_FOLDER_NEWS, Post::SORT_DATE_DESC),
        function (Post $post) {
            return !$post->getDate() || $post->getDate()->format('U') <= date('U');
        }
      );

            if ($slug == static::SLUG_RSS) {
                Response::setHeader(Response::HEADER_CONTENT_TYPE, 'text/xml; charset=utf-8');
                return ['content/rss', [
          'posts'      => array_slice($posts, 0, 10),
          '_no_layout' => true
        ]];
            }

            return ['content/news', [
        'posts'             => $posts,
        View::LAYOUT_PARAMS => [
          'showRssLink' => true
        ]
      ]];
        }

        try {
            $post = Post::load(static::SLUG_NEWS . '/' . ltrim($slug, '/'));
        } catch (PostNotFoundException $e) {
            return NavActions::execute404();
        }

        return ['content/news-post', [
      'post'              => $post,
      View::LAYOUT_PARAMS => [
        'showRssLink' => true
      ]
    ]];
    }

    public static function executeFaq(string $slug = null): array
    {
        Response::enableHttpCache();

        if (!$slug) {
            $allPosts = Post::find(static::VIEW_FOLDER_FAQ, Post::SORT_ORD_ASC);

            $allCategories    = [
        'LBRY 101'   => 'Intro to LBRY',
        'getstarted' => 'Getting Started',
        'setup'      => 'Installing and Running LBRY',
        'publisher'  => 'Publishers and Creators',
        'troubleshooting' => 'Help and Troubleshooting',
        'wallet'     => 'Wallet and Transactions',
        'tipbots'    => 'LBRY Tipbots',
        'mining'     => 'Mining LBC',
        'developer'  => 'Developers',
        'differences' => 'What Makes LBRY Different?',
        'other'      => 'Other Questions',
      ] + Post::collectMetadata($allPosts, 'category');

            $selectedCategory = Request::getParam('category');
            $filters          = array_filter([
        'category' => $selectedCategory && isset($allCategories[$selectedCategory]) ? $selectedCategory : null,
      ]);

            $posts = $filters ? Post::filter($allPosts, $filters) : $allPosts;

            $groups = array_fill_keys(array_keys($allCategories), []);

            foreach ($posts as $post) {
                $groups[$post->getCategory()][] = $post;
            }

            return ['content/faq', [
        'categories'       => $allCategories,
        'selectedCategory' => $selectedCategory,
        'postGroups'       => $groups
      ]];
        }

        try {
            $post = Post::load(static::SLUG_FAQ . '/' . ltrim($slug, '/'));
        } catch (PostNotFoundException $e) {
            return Controller::redirect('/' . static::SLUG_FAQ);
        }
        return ['content/faq-post', ['post' => $post]];
    }


    public static function executeCreditReports(string $year = null, string $month = null): array
    {
        Response::enableHttpCache();

        $posts = Post::find(static::VIEW_FOLDER_CREDIT_REPORTS);

        return ['content/credit-reports', [
      'posts' => $posts
    ]];
    }

    public static function executeCreditReport(string $year = null, string $quarter = null): array
    {
        Response::enableHttpCache();

        try {
            $post = Post::load(static::SLUG_CREDIT_REPORTS . '/' . $year . '-Q' . $quarter);
        } catch (PostNotFoundException $e) {
            return Controller::redirect('/' . static::SLUG_CREDIT_REPORTS);
        }
        $metadata = $post->getMetadata();
        return ['content/credit-report', [
      'post' => $post,
      'sheetUrl' => $metadata['sheet']
    ]];
    }

    public static function executePress(string $slug = null): array
    {
        Response::enableHttpCache();
        try {
            $post = Post::load(static::SLUG_PRESS . '/' . ltrim($slug, '/'));
        } catch (PostNotFoundException $e) {
            return NavActions::execute404();
        }
        return ['content/press-post', ['post' => $post]];
    }

    protected static function convertBountyAmount($amount)
    {
        return is_numeric($amount) ? round($amount / LBRY::getLBCtoUSDRate(), -1) : $amount;
    }

    public static function executeBounty(string $slug = null): array
    {
        Response::enableHttpCache();


        if ($slug) {
            list($metadata, $postHtml) = View::parseMarkdown(ContentActions::VIEW_FOLDER_BOUNTY . '/' . $slug . '.md');

            $metadata['lbc_award'] = static::convertBountyAmount($metadata['award']);

            if (!$postHtml) {
                return NavActions::execute404();
            }

            return ['bounty/show', [
        'postHtml' => $postHtml,
        'metadata' => $metadata
      ]];
        }

        $allBounties = Post::find(static::CONTENT_DIR . '/bounty');

        $allCategories = ['' => ''] + Post::collectMetadata($allBounties, 'category');
        $allStatuses = ['' => ''] + array_merge(Post::collectMetadata($allBounties, 'status'), ['complete' => 'unavailable']);

        $selectedStatus = Request::getParam('status', 'available');
        $selectedCategory = Request::getParam('category');

        $filters = array_filter([
      'category' => $selectedCategory && isset($allCategories[$selectedCategory]) ? $selectedCategory : null,
      'status' => $selectedStatus && isset($allStatuses[$selectedStatus]) ? $selectedStatus : null
    ]);

        $bounties = $filters ? Post::filter($allBounties, $filters) : $allBounties;

        uasort($bounties, function ($postA, $postB) {
            $metadataA = $postA->getMetadata();
            $metadataB = $postB->getMetadata();
            $awardA = strpos('-', $metadataA['award']) !== false ? rtrim(explode('-', $metadataA['award'])[0], '+') : $metadataA['award'];
            $awardB = strpos('-', $metadataB['award']) !== false ? rtrim(explode('-', $metadataB['award'])[0], '+') : $metadataB['award'];
            if ($awardA != $awardB) {
                return $awardA > $awardB ? -1 : 1;
            }
            return $metadataA['title'] < $metadataB['title'] ? -1 : 1;
        });

        foreach ($bounties as $bounty) {
            $metadata = $bounty->getMetadata();
            $bounty->setMetadataItem('lbc_award', static::convertBountyAmount($metadata['award']));
        }

        return ['bounty/list', [
      'bounties' => $bounties,
      'categories' => $allCategories,
      'statuses' => $allStatuses,
      'selectedCategory' => $selectedCategory,
      'selectedStatus' => $selectedStatus
    ]];
    }

    public static function executeRoadmap()
    {
        $cache = !Request::getParam('nocache');
        $githubItems = Github::listRoadmapChangesets($cache);
        $projectMaxVersions = [];
        foreach ($githubItems as $group => $items) {
            if ($items) {
                $firstItem = reset($items);
                $project = $firstItem['project'];
                if (!isset($projectMaxVersions[$project]) || $firstItem['sort_key'] > $projectMaxVersions[$project]) {
                    $projectMaxVersions[$project] = $firstItem['sort_key'];
                }
            }
        }

        $items = array_merge(Asana::listRoadmapTasks($cache), $githubItems);
        return ['content/roadmap', [
      'projectMaxVersions' => $projectMaxVersions,
      'items' => $items
    ]];
    }

    public static function executePressKit(): array
    {
        $zipFileName = 'lbry-press-kit-' . date('Y-m-d') . '.zip';
        $zipPath     = tempnam('/tmp', $zipFileName);

        $zip = new ZipArchive();
        $zip->open($zipPath, ZipArchive::OVERWRITE);

//    $pageHtml = View::render('page/press-kit', ['showHeader' => false]);
//    $html = <<<EOD
        //<!DOCTYPE html>
        //<html>
//    <head prefix="og: http://ogp.me/ns#">
//        <title>LBRY Press Kit</title>
//        <link href='https://fonts.googleapis.com/css?family=Raleway:300,300italic,400,400italic,700' rel='stylesheet' type='text/css'>
//        <link href="https://lbry.io/css/all.css" rel="stylesheet" type="text/css" media="screen,print" />
//    </head>
//    <body>
//      $pageHtml
//    </body>
        //</html>
        //EOD;
//
//    $zip->addFromString('press.html', $html);

        foreach (glob(ROOT_DIR . '/web/img/press/*') as $productImgPath) {
            $imgPathTokens = explode('/', $productImgPath);
            $imgName       = $imgPathTokens[count($imgPathTokens) - 1];
            $zip->addFile($productImgPath, '/logo_and_product/' . $imgName);
        }

        foreach (glob(ContentActions::CONTENT_DIR . '/bio/*.md') as $bioPath) {
            list($metadata, $bioHtml) = View::parseMarkdown($bioPath);
            $zip->addFile($bioPath, '/team_bios/' . $metadata['name'] . ' - ' . $metadata['role'] . '.txt');
        }

        /*
         * team bio images are no longer included in press kit now that they've moved to spee.ch
         * this should be fixed if we care about the press-kit page
         */
//    foreach (array_filter(glob(ROOT_DIR . '/web/img/team/*.jpg'), function ($path)
//    {
//      return strpos($path, 'spooner') === false;
//    }) as $bioImgPath)
//    {
//      $imgPathTokens = explode('/', $bioImgPath);
//      $imgName       = str_replace('644x450', 'lbry', $imgPathTokens[count($imgPathTokens) - 1]);
//      $zip->addFile($bioImgPath, '/team_photos/' . $imgName);
//    }


        $zip->close();

        Response::enableHttpCache();
        Response::setDownloadHttpHeaders($zipFileName, 'application/zip', filesize($zipPath));

        return ['internal/zip', [
      '_no_layout' => true,
      'zipPath'    => $zipPath
    ]];
    }

    public static function prepareBioPartial(array $vars): array
    {
        $person = $vars['person'];
        $path   = 'bio/' . $person . '.md';
        list($metadata, $bioHtml) = View::parseMarkdown($path);
        $imgSrc         = 'https://spee.ch/@lbryteam:6/' . $person . '.jpg';
        return $vars + $metadata + [
      'imgSrc'      => $imgSrc,
      'bioHtml'     => $bioHtml,
      'orientation' => 'vertical'
    ];
    }

    public static function preparePostAuthorPartial(array $vars): array
    {
        $post = $vars['post'];
        return [
      'authorName'    => $post->getAuthorName(),
      'photoImgSrc'   => $post->getAuthorPhoto(),
      'authorBioHtml' => $post->getAuthorBioHtml(),
      'authorGithub' => $post->getAuthorGithubID(),
      'authorTwitter' => $post->getAuthorTwitterID(),
      'authorEmail' => $post->getAuthorPostEmail()
    ];
    }

    public static function preparePostListPartial(array $vars): array
    {
        $count = $vars['count'] ?? 3;
        return [
      'posts' => array_slice(Post::find(static::VIEW_FOLDER_NEWS, Post::SORT_DATE_DESC), 0, $count)
    ];
    }
    public static function executePostCategoryFilter(string $category)
    {
        Response::enableHttpCache();

        $filter_post = [];

        $posts = array_filter(
      Post::find(static::VIEW_FOLDER_NEWS, Post::SORT_DATE_DESC),
      function (Post $post) use ($category) {
          return (($post->getCategory() === $category) && (!$post->getDate() || $post->getDate()->format('U') <= date('U')));
      }
    );


        return ['content/news', [
      'posts'             => $posts,
      View::LAYOUT_PARAMS => [
        'showRssLink' => true
      ]
    ]];
    }

    public static function prepareJobsPartial(array $vars)
    {
        $jobs =
      array_filter(
        array_map('View::parseMarkdown', glob(static::VIEW_FOLDER_JOBS . '/*')),
        function ($job) {
            return $job[0]['status'] !== 'closed';
        }
      );

        usort($jobs, function ($jobA, $jobB) {
            if ($jobA[0]['status'] === 'active' xor $jobB[0]['status'] === 'active') {
                return $jobA[0]['status'] === 'active' ? -1 : 1;
            }
            return $jobA[0]['order'] <=> $jobB[0]['order'];
        });

        return $vars + ['jobs' => $jobs];
    }
}