<?php

namespace Modules\ContractorManagement\Models;

use App\Traits\HasPublicIdentifier;
use Illuminate\Database\Eloquent\Model;
use Illuminate\Database\Eloquent\Relations\HasMany;
use Illuminate\Database\Eloquent\Relations\BelongsToMany;
use Modules\BiddingManagement\Models\BidInvitation;
use Modules\ProjectManagement\Models\Project;

class Contractor extends Model
{
    use HasPublicIdentifier;

    protected $fillable = [
        'company_name', 'contact_person', 'email', 'phone',
        'specialization', 'address', 'tax_id',
        'payment_terms', 'rating', 'status',
        'type', 'parent_id', 'user_limit',
        'shares_materials_catalog',
    ];

    protected function casts(): array
    {
        return [
            'rating' => 'decimal:1',
            'user_limit' => 'integer',
            'shares_materials_catalog' => 'boolean',
        ];
    }

    public function equipment(): HasMany
    {
        return $this->hasMany(ContractorEquipment::class);
    }

    public function users(): HasMany
    {
        return $this->hasMany(\App\Models\User::class);
    }

    public function parent()
    {
        return $this->belongsTo(self::class, 'parent_id');
    }

    public function children(): HasMany
    {
        return $this->hasMany(self::class, 'parent_id');
    }

    public function certifications(): HasMany
    {
        return $this->hasMany(ContractorCertification::class);
    }

    public function bidInvitations(): HasMany
    {
        return $this->hasMany(BidInvitation::class);
    }

    public function invoices(): HasMany
    {
        return $this->hasMany(ContractorInvoice::class);
    }

    public function projects(): BelongsToMany
    {
        return $this->belongsToMany(Project::class, 'project_contractor')
            ->withPivot('role', 'contract_amount')
            ->withTimestamps();
    }

    public function getActiveCertificationsCountAttribute(): int
    {
        return $this->certifications()->where('status', 'active')->count();
    }

    public function getExpiringCertificationsCountAttribute(): int
    {
        return $this->certifications()
            ->where('status', 'active')
            ->where('expiry_date', '<=', now()->addDays(30))
            ->where('expiry_date', '>', now())
            ->count();
    }
}