<?php

namespace App\Models\Equipment;

use App\Models\Boards\File;
use App\Traits\BelongsToTenant;
use Illuminate\Database\Eloquent\Model;
use Illuminate\Database\Eloquent\Relations\BelongsTo;
use Illuminate\Database\Eloquent\Relations\BelongsToMany;
use Illuminate\Database\Eloquent\Relations\HasMany;
use Illuminate\Database\Eloquent\SoftDeletes;

class Equipment extends Model
{
    use BelongsToTenant, SoftDeletes;

    protected $table = 'equipments';

    protected $fillable = [
        'tenant_id',
        'equipment_code',
        'name',
        'equipment_type',
        'specification',
        'manufacturer',
        'model_name',
        'serial_no',
        'location',
        'production_line',
        'purchase_date',
        'install_date',
        'purchase_price',
        'useful_life',
        'status',
        'disposed_date',
        'manager_id',
        'sub_manager_id',
        'photo_path',
        'memo',
        'is_active',
        'sort_order',
        'created_by',
        'updated_by',
        'deleted_by',
    ];

    protected $casts = [
        'purchase_date' => 'date',
        'install_date' => 'date',
        'disposed_date' => 'date',
        'purchase_price' => 'decimal:2',
        'is_active' => 'boolean',
    ];

    public function manager(): BelongsTo
    {
        return $this->belongsTo(\App\Models\User::class, 'manager_id');
    }

    public function subManager(): BelongsTo
    {
        return $this->belongsTo(\App\Models\User::class, 'sub_manager_id');
    }

    /**
     * 해당 유저가 이 설비의 점검 권한이 있는지 확인
     */
    public function canInspect(?int $userId = null): bool
    {
        $userId = $userId ?? auth()->id();
        if (auth()->user()?->isAdmin()) {
            return true;
        }

        return $this->manager_id === $userId || $this->sub_manager_id === $userId;
    }

    public function inspectionTemplates(): HasMany
    {
        return $this->hasMany(EquipmentInspectionTemplate::class, 'equipment_id')->orderBy('sort_order');
    }

    public function inspections(): HasMany
    {
        return $this->hasMany(EquipmentInspection::class, 'equipment_id');
    }

    public function repairs(): HasMany
    {
        return $this->hasMany(EquipmentRepair::class, 'equipment_id');
    }

    public function photos(): HasMany
    {
        return $this->hasMany(File::class, 'document_id')
            ->where('document_type', 'equipment')
            ->orderBy('id');
    }

    public function processes(): BelongsToMany
    {
        return $this->belongsToMany(\App\Models\Process::class, 'equipment_process')
            ->withPivot('is_primary')
            ->withTimestamps();
    }

    public function scopeActive($query)
    {
        return $query->where('status', 'active');
    }

    public function scopeByLine($query, string $line)
    {
        return $query->where('production_line', $line);
    }

    public function scopeByType($query, string $type)
    {
        return $query->where('equipment_type', $type);
    }

    public function getStatusLabelAttribute(): string
    {
        return match ($this->status) {
            'active' => '가동',
            'idle' => '유휴',
            'disposed' => '폐기',
            default => $this->status,
        };
    }

    public function getStatusColorAttribute(): string
    {
        return match ($this->status) {
            'active' => 'bg-green-100 text-green-800',
            'idle' => 'bg-yellow-100 text-yellow-800',
            'disposed' => 'bg-gray-100 text-gray-800',
            default => 'bg-gray-100 text-gray-800',
        };
    }

    public static function getEquipmentTypes(): array
    {
        return ['포밍기', '미싱기', '샤링기', 'V컷팅기', '절곡기', '프레스', '드릴', '기타'];
    }

    public static function getProductionLines(): array
    {
        return ['스라트', '스크린', '절곡', '기타'];
    }

    public static function getStatuses(): array
    {
        return [
            'active' => '가동',
            'idle' => '유휴',
            'disposed' => '폐기',
        ];
    }
}