<?php

namespace App\Http\Controllers\Juil;

use App\Http\Controllers\Controller;
use App\Models\Juil\PmisConstructionWorker;
use App\Models\Juil\PmisJobType;
use Illuminate\Http\JsonResponse;
use Illuminate\Http\Request;

class PmisWorkforceController extends Controller
{
    private function tenantId(): int
    {
        return (int) session('current_tenant_id', 1);
    }

    // ── 인원 CRUD ──

    public function workerList(Request $request): JsonResponse
    {
        $query = PmisConstructionWorker::tenant($this->tenantId())
            ->with('jobType:id,name')
            ->orderByDesc('id');

        if ($request->filled('company')) {
            $query->where('company_name', 'like', '%' . $request->company . '%');
        }
        if ($request->filled('trade')) {
            $query->where('trade_name', $request->trade);
        }
        if ($request->filled('job_type_id')) {
            $query->where('job_type_id', $request->job_type_id);
        }
        if ($request->filled('search')) {
            $s = $request->search;
            $query->where(function ($q) use ($s) {
                $q->where('name', 'like', "%{$s}%")
                    ->orWhere('phone', 'like', "%{$s}%");
            });
        }

        $perPage = $request->integer('per_page', 15);
        $workers = $query->paginate($perPage);

        return response()->json($workers);
    }

    public function workerStore(Request $request): JsonResponse
    {
        $validated = $request->validate([
            'company_name' => 'required|string|max:200',
            'trade_name' => 'required|string|max:100',
            'job_type_id' => 'nullable|exists:pmis_job_types,id',
            'name' => 'required|string|max:50',
            'phone' => 'nullable|string|max:20',
            'birth_date' => 'nullable|string|max:6',
            'ssn_gender' => 'nullable|string|max:1',
            'wage' => 'nullable|integer|min:0',
            'blood_type' => 'nullable|string|max:5',
            'remark' => 'nullable|string|max:500',
        ]);

        $validated['tenant_id'] = $this->tenantId();
        $validated['wage'] = $validated['wage'] ?? 0;

        $worker = PmisConstructionWorker::create($validated);
        $worker->load('jobType:id,name');

        return response()->json($worker, 201);
    }

    public function workerUpdate(Request $request, int $id): JsonResponse
    {
        $worker = PmisConstructionWorker::tenant($this->tenantId())->findOrFail($id);

        $validated = $request->validate([
            'company_name' => 'sometimes|required|string|max:200',
            'trade_name' => 'sometimes|required|string|max:100',
            'job_type_id' => 'nullable|exists:pmis_job_types,id',
            'name' => 'sometimes|required|string|max:50',
            'phone' => 'nullable|string|max:20',
            'birth_date' => 'nullable|string|max:6',
            'ssn_gender' => 'nullable|string|max:1',
            'wage' => 'nullable|integer|min:0',
            'blood_type' => 'nullable|string|max:5',
            'remark' => 'nullable|string|max:500',
        ]);

        $worker->update($validated);
        $worker->load('jobType:id,name');

        return response()->json($worker);
    }

    public function workerDestroy(int $id): JsonResponse
    {
        $worker = PmisConstructionWorker::tenant($this->tenantId())->findOrFail($id);
        $worker->delete();

        return response()->json(['message' => '삭제되었습니다.']);
    }

    // ── 직종 CRUD ──

    public function jobTypeList(): JsonResponse
    {
        $types = PmisJobType::tenant($this->tenantId())
            ->where('is_active', true)
            ->orderBy('sort_order')
            ->orderBy('name')
            ->get(['id', 'name', 'sort_order']);

        return response()->json($types);
    }

    public function jobTypeStore(Request $request): JsonResponse
    {
        $validated = $request->validate([
            'name' => 'required|string|max:100',
        ]);

        $maxSort = PmisJobType::tenant($this->tenantId())->max('sort_order') ?? 0;

        $type = PmisJobType::create([
            'tenant_id' => $this->tenantId(),
            'name' => $validated['name'],
            'sort_order' => $maxSort + 1,
        ]);

        return response()->json($type, 201);
    }
}