<?php

namespace Modules\Maintenance\Models;

use App\Business;
use App\Contact;
use App\User;
use Illuminate\Database\Eloquent\Model;
use Illuminate\Database\Eloquent\SoftDeletes;
use Modules\Project\Entities\Project;

class Equipment extends Model
{
    use SoftDeletes;

    protected $table = 'maintenance_equipment';

    protected $fillable = [
        'business_id',
        'site_id',
        'branch_id',
        'category_id',
        'production_line_id',
        'project_id',
        'customer_id',
        'client_type',
        'department_id',
        'fixed_asset_id',
        'code',
        'name',
        'asset_number',
        'manufacturer',
        'model',
        'serial_number',
        'capacity',
        'installation_date',
        'warranty_expires_at',
        'location',
        'qr_code',
        'barcode',
        'status',
        'working_hours',
        'last_service_date',
        'next_service_date',
        'last_overhaul_date',
        'next_overhaul_date',
        'priority',
        'criticality',
        'risk_level',
        'health_percentage',
        'technical_documents',
        'images',
        'videos',
        'user_manual',
        'notes',
        'created_by',
        'updated_by',
    ];

    protected $casts = [
        'installation_date' => 'date',
        'warranty_expires_at' => 'date',
        'last_service_date' => 'date',
        'next_service_date' => 'date',
        'last_overhaul_date' => 'date',
        'next_overhaul_date' => 'date',
        'working_hours' => 'decimal:2',
        'health_percentage' => 'decimal:2',
        'technical_documents' => 'array',
        'images' => 'array',
        'videos' => 'array',
        'user_manual' => 'array',
    ];

    public function business()
    {
        return $this->belongsTo(Business::class);
    }

    public function category()
    {
        return $this->belongsTo(EquipmentCategory::class, 'category_id');
    }

    public function fixedAsset()
    {
        return $this->belongsTo(\Modules\AssetManagement\Entities\Asset::class, 'fixed_asset_id');
    }

    public function productionLine()
    {
        return $this->belongsTo(ProductionLine::class, 'production_line_id');
    }

    public function project()
    {
        return $this->belongsTo(Project::class, 'project_id');
    }

    public function customer()
    {
        return $this->belongsTo(Contact::class, 'customer_id');
    }

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

    public function preventiveSchedules()
    {
        return $this->hasMany(PreventiveSchedule::class, 'equipment_id');
    }

    public function overhauls()
    {
        return $this->hasMany(Overhaul::class, 'equipment_id');
    }

    public function workOrders()
    {
        return $this->hasMany(WorkOrder::class, 'equipment_id');
    }

    public function failureReports()
    {
        return $this->hasMany(FailureReport::class, 'equipment_id');
    }

    public function historyEntries()
    {
        return $this->hasMany(HistoryEntry::class, 'equipment_id')->orderByDesc('performed_at');
    }

    public function equipmentParts()
    {
        return $this->hasMany(EquipmentPart::class, 'equipment_id');
    }

    /** Legacy alias used by IE integration code. */
    public function parts()
    {
        return $this->equipmentParts();
    }

    public function documents()
    {
        return $this->morphMany(AssetDocument::class, 'documentable')->orderBy('sort_order');
    }

    public function inspectionVisits()
    {
        return $this->hasMany(InspectionVisit::class, 'equipment_id')->orderByDesc('visit_date');
    }

    public function serviceRecords()
    {
        return $this->hasMany(ServiceRecord::class, 'equipment_id')->orderByDesc('started_at');
    }

    public function partReplacements()
    {
        return $this->hasMany(PartReplacement::class, 'equipment_id')->orderByDesc('replaced_at');
    }

    public function checklistTemplates()
    {
        return $this->hasMany(ChecklistTemplate::class, 'equipment_id');
    }
}