<?php declare(strict_types=1);

namespace Models;

use Carbon\Carbon;
use Utils\Enums\TaskStatus;

class Task
{

    private int $id;


    // NOTE: This ID is hardcoded for now because we haven't implemented users yet! Specific logic will be required later on.
    private const task_owner = 1;

    private Carbon $createdAt;

    private Carbon $updatedAt;


    // NOTE: This is actually the "name" in the db.
    private string $title;

    private string $description;

    private TaskStatus $status;

    private string $endDt;

    private string $startDt;


    public function __construct($status = TaskStatus::STARTED)
    {
        $this->status = $status;

    }


    public function getTaskOwner(): int
    {
        return self::task_owner;
    }


    /**
     * Updates Task's last updated time.
     * @return void
     */
    public function touch(): void
    {
        $this->updatedAt = Carbon::now();
    }

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

    public function setTitle(string $title): self
    {
        $this->title = $title;
        return $this;
    }

    public function getDescription(): string
    {
        return $this->description;
    }

    public function setDescription(string $description): self
    {
        $this->description = $description;
        return $this;
    }

    public function getStartDt(): string
    {
        return $this->startDt;
    }

    public function setStartDt(string $startDt): self
    {
        $this->startDt = Carbon::parse($startDt)->toDateTimeString();
        return $this;
    }

    public function getEndDt(): string
    {
        return $this->endDt;
    }

    public function setEndDt(string $endDt): self
    {
        $this->endDt = Carbon::parse($endDt)->toDateTimeString();
        return $this;
    }

    public function getStatus(): TaskStatus
    {
        return $this->status;
    }

    public function setStatus(TaskStatus $status): self
    {
        $this->status = $status;
        return $this;
    }

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


    public function setId(int $id): Task
    {
        $this->id = $id;
        return $this;
    }

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

        $task->id = $data['id'];
        // task owner is discarded from input array
        $task->createdAt = Carbon::parse($data['created_at']);
        $task->updatedAt = Carbon::parse($data['updated_at']);
        $task->title = $data['name'] ?? '';
        $task->description = $data['description'] ?? '';
        $task->startDt = $data['start'] ?? '';
        $task->endDt = $data['end'] ?? '';
        $task->status = TaskStatus::tryFrom($data['status_id']) ?? TaskStatus::STARTED;

        return $task;
    }

    /**
     * Returns the array representation of the database entity.
     * @return array
     */
    public function persist(): array
    {
        return [
            'id' => $this->id ?? null,
            'task_owner' => 1, // fake hard-coded user for now
            'created_at' => Carbon::now()->toDateTimeString(),
            'updated_at' => Carbon::now()->toDateTimeString(),
            'name' => $this->getTitle(),
            'description' => $this->getDescription(),
            'start' => $this->getStartDt(),
            'end' => $this->getEndDt(),
            'status_id' => $this->getStatus()->value
        ];
    }

}