<?php

namespace App\Models;

use App\Enums\DocumentStatusEnum;
use App\Enums\DocumentPriorityEnum;
use App\Observers\DocumentObserver;
use Illuminate\Database\Eloquent\Attributes\ObservedBy;
use Illuminate\Database\Eloquent\Factories\HasFactory;
use Illuminate\Database\Eloquent\Model;

#[ObservedBy(DocumentObserver::class)]
class Document extends Model
{
    use HasFactory;
    protected $fillable = [
        'code',
        'modality',
        'status',
        'priority',
        'note',
        'submitted_at',
        'scan_date',
        'processing_deadline',
        'finalized_at',
        'finalized_by',
        'rejection_reason',
        'pet_id',
        'requester_id',
    ];

    protected $casts = [
        'status' => DocumentStatusEnum::class,
        'priority' => DocumentPriorityEnum::class,
        'submitted_at' => 'datetime',
        'scan_date' => 'datetime',
        'processing_deadline' => 'datetime',
        'finalized_at' => 'datetime',
        'finalized_by' => 'integer',
        'pet_id' => 'integer',
        'requester_id' => 'integer',
    ];

    public function pet()
    {
        return $this->belongsTo(Pet::class);
    }

    public function requester()
    {
        return $this->belongsTo(User::class, 'requester_id');
    }

    public function finalizedBy()
    {
        return $this->belongsTo(User::class);
    }

    public function assignments()
    {
        return $this->hasMany(DocumentAssignment::class);
    }

    public function reports()
    {
        return $this->hasMany(Report::class);
    }

    public function media()
    {
        return $this->morphToMany(
            \App\Models\Medium::class,
            'mediable',
            'media_assignments',
            'mediable_id',
            'media_id'
        )->withPivot('collection');
    }

    public function primaryFiles()
    {
        return $this->media()->wherePivot('collection', 'primary');
    }

    public function historyFiles()
    {
        return $this->media()->wherePivot('collection', 'history');
    }

    public function users()
    {
        return $this->belongsToMany(User::class, 'document_assignments')
                    ->withPivot('role')
                    ->withTimestamps();
    }

    public function mediaAssignments()
    {
        return $this->morphMany(MediaAssignment::class, 'mediable');
    }
}