<?php
class FmProject {
    public const TYPE_PROJECT = 'Project';
    public const TYPE_TOOL = 'Tool';

    private $project_id = -1;
    private $project_name = '';
    private $project_name_clean = null;
    private $project_summary = null;
    private $project_description = null;
    private $project_order = 0;
    private $project_type = self::TYPE_PROJECT;
    private $project_featured = 0;
    private $project_colour = null;
    private $project_homepage = null;
    private $project_repository = null;
    private $project_forum = null;
    private $project_created = null;
    private $project_deleted = null;
    private $project_archived = null;

    private $languages = null;

    public function getId(): int {
        return $this->project_id < 1 ? -1 : $this->project_id;
    }

    public function getName(): string {
        return $this->project_name;
    }
    public function getCleanName(): string {
        return $this->project_name_clean ?? str_replace(' ', '-', trim(strtolower($this->getName())));
    }

    public function getSummary(): string {
        return $this->project_summary ?? '';
    }
    public function getDescription(): string {
        return $this->project_description ?? '';
    }
    public function getDescriptionLines(): array {
        $linesRaw = array_reverse(explode("\n", $this->getDescription()));
        $lines = [];
        while(($line = array_pop($linesRaw)) !== false) {
            $line = trim($line);
            if(!empty($line))
                $lines[] = $line;
        }
        return $lines;
    }

    public function getOrder(): int {
        return $this->project_order;
    }
    public function getType(): string {
        return $this->project_type;
    }
    public function isProject(): bool {
        return $this->getType() === self::TYPE_PROJECT;
    }
    public function isTool(): bool {
        return $this->getType() === self::TYPE_TOOL;
    }

    public function isFeatured(): bool {
        return boolval($this->project_featured);
    }

    // TODO: INHERIT LANGUAGE COLOUR
    public function hasColour(): bool {
        return $this->project_colour !== null;
    }
    public function getColour(): FmColour {
        return new FmColour($this->project_colour);
    }

    public function hasHomepage(): bool {
        return !empty($this->project_homepage);
    }
    public function getHomepage(): string {
        return $this->project_homepage ?? '';
    }

    public function hasRepository(): bool {
        return !empty($this->project_repository);
    }
    public function getRepository(): string {
        return $this->project_repository ?? '';
    }

    public function hasForum(): bool {
        return !empty($this->project_forum);
    }
    public function getForum(): string {
        return $this->project_forum ?? '';
    }

    public function getCreatedTime(): DateTime {
        return new DateTime('@' . ($this->project_created ?? 0));
    }

    public function isDeleted(): bool {
        return $this->project_deleted !== null;
    }
    public function getDeletedTime(): DateTime {
        return new DateTime('@' . ($this->project_deleted ?? 0));
    }

    public function isArchived(): bool {
        return $this->project_archived !== null;
    }
    public function getArchivedTime(): DateTime {
        return new DateTime('@' . ($this->project_archived ?? 0));
    }

    public function getLinks(): array {
        $links = [];
        if($this->hasHomepage())
            $links[] = FmProjectLink::create('homepage', 'Homepage', $this->getHomepage());
        if($this->hasRepository())
            $links[] = FmProjectLink::create('repository', 'Source', $this->getRepository());
        if($this->hasForum())
            $links[] = FmProjectLink::create('forum', 'Discussion', $this->getForum());
        return $links;
    }

    public function getLanguages(): array {
        return $this->languages ?? [];
    }

    private function transformLanguages(): void {
        if(empty($this->languages))
            return;
        foreach($this->languages as &$lang)
            if($lang instanceof stdClass)
                $lang = FmLanguage::fromStdClass($lang);
    }

    public static function byFeatured(): array {
        return cache_output('projects-featured-noconvert', 300, function() {
            $projects = json_decode(file_get_contents('https://flash.moe/2020/projects.php?dump_that_shit&noconvert&rf'));

            foreach($projects as &$project) {
                $projRaw = (array)$project;
                $project = new static;
                foreach($projRaw as $prop => $val)
                    $project->{$prop} = $val;
                $project->transformLanguages();
            }

            return $projects;
        });
    }

    public static function all(): array {
        return cache_output('projects-noconvert', 300, function() {
            $projects = json_decode(file_get_contents('https://flash.moe/2020/projects.php?dump_that_shit&noconvert'));

            foreach($projects as &$project) {
                $projRaw = (array)$project;
                $project = new static;
                foreach($projRaw as $prop => $val)
                    $project->{$prop} = $val;
                $project->transformLanguages();
            }

            return $projects;
        });
    }
}