<?php
namespace Misuzu\News;

use Index\DateTime;
use Index\Data\IDbResult;

class NewsPostInfo {
    public function __construct(
        private string $id,
        private string $categoryId,
        private ?string $userId,
        private ?string $commentsSectionId,
        private bool $featured,
        private string $title,
        private string $body,
        private int $scheduled,
        private int $created,
        private int $updated,
        private ?int $deleted,
    ) {}

    public static function fromResult(IDbResult $result): NewsPostInfo {
        return new NewsPostInfo(
            id: $result->getString(0),
            categoryId: $result->getString(1),
            userId: $result->getStringOrNull(2),
            commentsSectionId: $result->getStringOrNull(3),
            featured: $result->getBoolean(4),
            title: $result->getString(5),
            body: $result->getString(6),
            scheduled: $result->getInteger(7),
            created: $result->getInteger(8),
            updated: $result->getInteger(9),
            deleted: $result->getIntegerOrNull(10),
        );
    }

    public function getId(): string {
        return $this->id;
    }

    public function getCategoryId(): string {
        return $this->categoryId;
    }

    public function hasUserId(): bool {
        return $this->userId !== null;
    }

    public function getUserId(): ?string {
        return $this->userId;
    }

    public function hasCommentsCategoryId(): bool {
        return $this->commentsSectionId !== null;
    }

    public function getCommentsCategoryId(): string {
        return $this->commentsSectionId;
    }

    public function getCommentsCategoryName(): string {
        return sprintf('news-%s', $this->id);
    }

    public function isFeatured(): bool {
        return $this->featured;
    }

    public function getTitle(): string {
        return $this->title;
    }

    public function getBody(): string {
        return $this->body;
    }

    public function getFirstParagraph(): string {
        $index = mb_strpos($this->body, "\n");
        return $index === false ? $this->body : mb_substr($this->body, 0, $index);
    }

    public function getScheduledTime(): int {
        return $this->scheduled;
    }

    public function getScheduledAt(): DateTime {
        return DateTime::fromUnixTimeSeconds($this->scheduled);
    }

    public function isPublished(): bool {
        return $this->scheduled <= time();
    }

    public function getCreatedTime(): int {
        return $this->created;
    }

    public function getCreatedAt(): DateTime {
        return DateTime::fromUnixTimeSeconds($this->created);
    }

    public function getUpdatedTime(): int {
        return $this->updated;
    }

    public function getUpdatedAt(): DateTime {
        return DateTime::fromUnixTimeSeconds($this->updated);
    }

    public function isEdited(): bool {
        return $this->updated > $this->created;
    }

    public function isDeleted(): bool {
        return $this->deleted !== null;
    }

    public function getDeletedTime(): ?int {
        return $this->deleted;
    }

    public function getDeletedAt(): ?DateTime {
        return $this->deleted === null ? null : DateTime::fromUnixTimeSeconds($this->deleted);
    }
}