<?php

namespace Domain\Entity;

class TaskComment
{
    private ?int $id = null;
    private int $taskId;
    private string $author;
    private string $authorType = 'human';
    private string $commentType = 'comment';
    private string $content;
    private array $metadata = [];
    private \DateTimeImmutable $createdAt;

    public function __construct()
    {
        $this->createdAt = new \DateTimeImmutable();
    }

    // Getters
    public function getId(): ?int
    {
        return $this->id;
    }

    public function getTaskId(): int
    {
        return $this->taskId;
    }

    public function getAuthor(): string
    {
        return $this->author;
    }

    public function getAuthorType(): string
    {
        return $this->authorType;
    }

    public function getCommentType(): string
    {
        return $this->commentType;
    }

    public function getContent(): string
    {
        return $this->content;
    }

    public function getMetadata(): array
    {
        return $this->metadata;
    }

    public function getCreatedAt(): \DateTimeImmutable
    {
        return $this->createdAt;
    }

    // Setters
    public function setId(int $id): self
    {
        $this->id = $id;

        return $this;
    }

    public function setTaskId(int $taskId): self
    {
        $this->taskId = $taskId;

        return $this;
    }

    public function setAuthor(string $author): self
    {
        $this->author = $author;

        return $this;
    }

    public function setAuthorType(string $authorType): self
    {
        $this->authorType = $authorType;

        return $this;
    }

    public function setCommentType(string $commentType): self
    {
        $this->commentType = $commentType;

        return $this;
    }

    public function setContent(string $content): self
    {
        $this->content = $content;

        return $this;
    }

    public function setMetadata(array $metadata): self
    {
        $this->metadata = $metadata;

        return $this;
    }

    public function setCreatedAt(\DateTimeImmutable $createdAt): self
    {
        $this->createdAt = $createdAt;

        return $this;
    }

    public function toArray(): array
    {
        return [
            'id' => $this->id,
            'task_id' => $this->taskId,
            'author' => $this->author,
            'author_type' => $this->authorType,
            'comment_type' => $this->commentType,
            'content' => $this->content,
            'metadata' => $this->metadata,
            'created_at' => $this->createdAt->format('Y-m-d H:i:s.u'),
        ];
    }

    public static function fromArray(array $data): self
    {
        $comment = new self();

        if (isset($data['id'])) {
            $comment->setId((int) $data['id']);
        }
        if (isset($data['task_id'])) {
            $comment->setTaskId((int) $data['task_id']);
        }
        if (isset($data['author'])) {
            $comment->setAuthor($data['author']);
        }
        if (isset($data['author_type'])) {
            $comment->setAuthorType($data['author_type']);
        }
        if (isset($data['comment_type'])) {
            $comment->setCommentType($data['comment_type']);
        }
        if (isset($data['content'])) {
            $comment->setContent($data['content']);
        }
        if (isset($data['metadata'])) {
            $metadata = is_string($data['metadata']) ? json_decode($data['metadata'], true) : $data['metadata'];
            $comment->setMetadata($metadata ?? []);
        }
        if (isset($data['created_at'])) {
            $comment->setCreatedAt(new \DateTimeImmutable($data['created_at']));
        }

        return $comment;
    }

    public static function createStatusChange(int $taskId, string $author, string $authorType, string $oldStatus, string $newStatus): self
    {
        $comment = new self();
        $comment->setTaskId($taskId);
        $comment->setAuthor($author);
        $comment->setAuthorType($authorType);
        $comment->setCommentType('status_change');
        $comment->setContent("Status geändert: {$oldStatus} → {$newStatus}");
        $comment->setMetadata(['old_status' => $oldStatus, 'new_status' => $newStatus]);

        return $comment;
    }

    public static function createAssignmentNote(int $taskId, string $author, string $authorType, string $assignee, string $assigneeType): self
    {
        $comment = new self();
        $comment->setTaskId($taskId);
        $comment->setAuthor($author);
        $comment->setAuthorType($authorType);
        $comment->setCommentType('assignment');
        $comment->setContent("Zugewiesen an {$assignee} ({$assigneeType})");
        $comment->setMetadata(['assignee' => $assignee, 'assignee_type' => $assigneeType]);

        return $comment;
    }
}