<?php

namespace App\Models;

use Illuminate\Database\Eloquent\Factories\HasFactory;
use Illuminate\Database\Eloquent\Model;
use Illuminate\Database\Eloquent\SoftDeletes;

class JobPost extends Model
{
    use HasFactory, SoftDeletes;

    protected static function booted()
    {
        static::updated(function ($jobPost) {
            if ($jobPost->wasChanged('status')) {
                $oldStatus = $jobPost->getOriginal('status');
                $newStatus = $jobPost->status;

                // Send push notification to all workers who applied to this job
                $applications = $jobPost->applications()->with('worker')->get();
                foreach ($applications as $app) {
                    $worker = $app->worker;
                    if ($worker) {
                        $worker->notify(new \App\Notifications\GenericNotification(
                            "Job Status Changed",
                            "The status of the job '" . $jobPost->title . "' has been changed from '" . ucfirst($oldStatus) . "' to '" . ucfirst($newStatus) . "'.",
                            [
                                'type' => 'job_status_change',
                                'job_id' => $jobPost->id,
                                'old_status' => $oldStatus,
                                'new_status' => $newStatus,
                            ]
                        ));
                    }
                }
            }
        });
    }

    protected $fillable = [
        'employer_id',
        'title',
        'main_profession',
        'workers_needed',
        'job_type',
        'location',
        'salary',
        'start_date',
        'description',
        'requirements',
        'status',
    ];

    protected $casts = [
        'start_date' => 'date',
        'salary' => 'decimal:2',
        'workers_needed' => 'integer',
    ];

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

    public function skills()
    {
        return $this->belongsToMany(Skill::class, 'job_post_skills', 'job_post_id', 'skill_id');
    }

    public function applications()
    {
        return $this->hasMany(JobApplication::class, 'job_id');
    }
}