<?php

namespace App\Domain\Reports\Models;

use App\Domain\Reports\ValueObjects\MetrikaConfig;
use DateTimeImmutable;
use InvalidArgumentException;

final readonly class ReportSnapshot
{
    /**
     * @param  array<int|string, int|float|string|null>  $metrics
     * @param  array<int, array<string, mixed>>  $observationPatients
     * @param  array<int, array<string, mixed>>  $unwantedEvents
     */
    public function __construct(
        public int $departmentId,
        public int $userId,
        public ?int $actorUserId,
        public DateTimeImmutable $periodStart,
        public DateTimeImmutable $periodEnd,
        public string $status = 'draft',
        public bool $autoFill = false,
        public array $metrics = [],
        public array $observationPatients = [],
        public array $unwantedEvents = [],
        public ?int $reportId = null,
        public ?DateTimeImmutable $createdAt = null,
        public ?DateTimeImmutable $sentAt = null,
        public string $reportType = 'daily',
    ) {
        if ($this->departmentId <= 0) {
            throw new InvalidArgumentException('departmentId must be positive.');
        }

        if ($this->userId <= 0) {
            throw new InvalidArgumentException('userId must be positive.');
        }

        if ($this->periodEnd < $this->periodStart) {
            throw new InvalidArgumentException('periodEnd must not be earlier than periodStart.');
        }
    }

    /**
     * @return array<int, int|float|string|null>
     */
    public function normalizedMetrics(): array
    {
        return MetrikaConfig::normalizeMetrics($this->metrics);
    }

    /**
     * @return array<string, int|float|string|null>
     */
    public function payloadMetrics(): array
    {
        return MetrikaConfig::toPayloadMetrics($this->normalizedMetrics());
    }

    /**
     * @return array<string, mixed>
     */
    public function toComparableArray(): array
    {
        $observationPatients = $this->observationPatients;
        $unwantedEvents = $this->unwantedEvents;

        sort($observationPatients);
        sort($unwantedEvents);

        return [
            'department_id' => $this->departmentId,
            'user_id' => $this->userId,
            'actor_user_id' => $this->actorUserId,
            'period_start' => $this->periodStart->format('Y-m-d H:i:s'),
            'period_end' => $this->periodEnd->format('Y-m-d H:i:s'),
            'status' => $this->status,
            'auto_fill' => $this->autoFill,
            'metrics' => $this->normalizedMetrics(),
            'observation_patients' => $observationPatients,
            'unwanted_events' => $unwantedEvents,
        ];
    }
}