<?php

namespace App\Models\Qualitys;

use App\Models\Items\Item;
use App\Models\Members\User;
use App\Models\Production\WorkOrder;
use App\Traits\Auditable;
use App\Traits\BelongsToTenant;
use Illuminate\Database\Eloquent\Casts\Attribute;
use Illuminate\Database\Eloquent\Model;
use Illuminate\Database\Eloquent\SoftDeletes;

/**
 * 통합 검사 모델 (IQC/PQC/FQC)
 *
 * @property int $id
 * @property int $tenant_id
 * @property string $inspection_no 검사번호
 * @property string $inspection_type 검사유형 (IQC, PQC, FQC)
 * @property string $status 상태 (waiting, in_progress, completed)
 * @property string|null $result 판정결과 (pass, fail)
 * @property string $request_date 검사요청일
 * @property string|null $inspection_date 검사일
 * @property int|null $item_id 품목 ID
 * @property string $lot_no LOT번호
 * @property int|null $work_order_id 작업지시 ID (PQC/FQC용)
 * @property int|null $inspector_id 검사자 ID
 * @property array|null $meta 메타정보 (process_name, quantity, unit 등)
 * @property array|null $items 검사항목 배열
 * @property array|null $attachments 첨부파일 배열
 * @property array|null $extra 추가정보 (remarks, opinion 등)
 *
 * @mixin IdeHelperInspection
 */
class Inspection extends Model
{
    use Auditable, BelongsToTenant, SoftDeletes;

    protected $table = 'inspections';

    protected $fillable = [
        'tenant_id',
        'inspection_no',
        'inspection_type',
        'status',
        'result',
        'request_date',
        'inspection_date',
        'item_id',
        'lot_no',
        'work_order_id',
        'inspector_id',
        'meta',
        'items',
        'attachments',
        'extra',
        'created_by',
        'updated_by',
    ];

    protected $casts = [
        'meta' => 'array',
        'items' => 'array',
        'attachments' => 'array',
        'extra' => 'array',
        'request_date' => 'date',
        'inspection_date' => 'date',
    ];

    /**
     * 검사 유형 상수
     */
    public const TYPE_IQC = 'IQC'; // 수입검사 (Incoming Quality Control)

    public const TYPE_PQC = 'PQC'; // 공정검사 (Process Quality Control)

    public const TYPE_FQC = 'FQC'; // 최종검사 (Final Quality Control)

    /**
     * 상태 상수
     */
    public const STATUS_WAITING = 'waiting';

    public const STATUS_IN_PROGRESS = 'in_progress';

    public const STATUS_COMPLETED = 'completed';

    /**
     * 판정결과 상수
     */
    public const RESULT_PASS = 'pass';

    public const RESULT_FAIL = 'fail';

    // ===== Relationships =====

    /**
     * 작업지시 (PQC/FQC용)
     */
    public function workOrder()
    {
        return $this->belongsTo(WorkOrder::class);
    }

    /**
     * 품목
     */
    public function item()
    {
        return $this->belongsTo(Item::class, 'item_id');
    }

    /**
     * 검사자
     */
    public function inspector()
    {
        return $this->belongsTo(User::class, 'inspector_id');
    }

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

    // ===== Accessors (meta JSON 필드) =====

    protected function processName(): Attribute
    {
        return Attribute::make(
            get: fn () => $this->meta['process_name'] ?? null,
            set: fn ($value) => $this->setMetaValue('process_name', $value),
        );
    }

    protected function quantity(): Attribute
    {
        return Attribute::make(
            get: fn () => $this->meta['quantity'] ?? null,
            set: fn ($value) => $this->setMetaValue('quantity', $value),
        );
    }

    protected function unit(): Attribute
    {
        return Attribute::make(
            get: fn () => $this->meta['unit'] ?? null,
            set: fn ($value) => $this->setMetaValue('unit', $value),
        );
    }

    // ===== Accessors (extra JSON 필드) =====

    protected function remarks(): Attribute
    {
        return Attribute::make(
            get: fn () => $this->extra['remarks'] ?? null,
            set: fn ($value) => $this->setExtraValue('remarks', $value),
        );
    }

    protected function opinion(): Attribute
    {
        return Attribute::make(
            get: fn () => $this->extra['opinion'] ?? null,
            set: fn ($value) => $this->setExtraValue('opinion', $value),
        );
    }

    // ===== Helper Methods =====

    /**
     * meta JSON 필드에 값 설정
     */
    protected function setMetaValue(string $key, $value): array
    {
        $meta = $this->meta ?? [];
        $meta[$key] = $value;
        $this->attributes['meta'] = json_encode($meta);

        return $meta;
    }

    /**
     * extra JSON 필드에 값 설정
     */
    protected function setExtraValue(string $key, $value): array
    {
        $extra = $this->extra ?? [];
        $extra[$key] = $value;
        $this->attributes['extra'] = json_encode($extra);

        return $extra;
    }

    /**
     * 검사번호 자동 생성
     */
    public static function generateInspectionNo(int $tenantId, string $type): string
    {
        $prefix = match ($type) {
            self::TYPE_IQC => 'IQC',
            self::TYPE_PQC => 'PQC',
            self::TYPE_FQC => 'FQC',
            default => 'INS',
        };

        $date = now()->format('Ymd');

        $lastNo = static::withoutGlobalScopes()
            ->where('tenant_id', $tenantId)
            ->where('inspection_no', 'like', "{$prefix}-{$date}-%")
            ->orderByDesc('inspection_no')
            ->value('inspection_no');

        if ($lastNo) {
            $seq = (int) substr($lastNo, -4) + 1;
        } else {
            $seq = 1;
        }

        return sprintf('%s-%s-%04d', $prefix, $date, $seq);
    }
}