<?php

namespace App\Http\Controllers\Api;

use App\Models\Tenant\WorkOrder;
use App\Tenancy\TenantManager;
use Illuminate\Http\JsonResponse;
use Illuminate\Http\Request;

class WorkOrderApiController
{
    public function index(Request $request): JsonResponse
    {
        $q = WorkOrder::query()->with(['client:id,name,phone', 'vehicle:id,plate,brand,model']);
        if ($status = $request->query('status')) {
            $q->where('status', $status);
        }
        if ($s = $request->query('search')) {
            $q->where(function ($qq) use ($s) {
                $qq->where('number', 'like', "%{$s}%")
                   ->orWhereHas('vehicle', fn ($v) => $v->where('plate', 'like', "%{$s}%"));
            });
        }
        return response()->json($q->latest()->paginate(min((int) $request->query('per_page', 25), 100)));
    }

    public function show(WorkOrder $workOrder): JsonResponse
    {
        return response()->json($workOrder->load(['client', 'vehicle', 'master', 'works', 'parts', 'payments']));
    }

    public function store(Request $request): JsonResponse
    {
        $data = $request->validate([
            'client_id' => 'required|exists:clients,id',
            'vehicle_id' => 'required|exists:vehicles,id',
            'master_id' => 'nullable|exists:users,id',
            'opened_at' => 'nullable|date',
            'mileage_in' => 'nullable|integer|min:0',
            'complaint' => 'nullable|string',
            'status' => 'in:new,diagnosis,agreement,approved,in_work,awaiting_parts,ready,done,cancelled',
        ]);
        $tenantId = app(TenantManager::class)->currentId();
        $data['number'] = WorkOrder::generateNumber($tenantId);
        $data['opened_at'] ??= now();
        $data['status'] ??= 'new';
        $data['pay_status'] = 'unpaid';
        $data['discount_pct'] = 0;
        $data['total'] = 0;
        $wo = WorkOrder::create($data);
        return response()->json($wo, 201);
    }

    public function update(Request $request, WorkOrder $workOrder): JsonResponse
    {
        $data = $request->validate([
            'status' => 'sometimes|in:new,diagnosis,agreement,approved,in_work,awaiting_parts,ready,done,cancelled',
            'mileage_out' => 'nullable|integer|min:0',
            'diagnosis' => 'nullable|string',
            'recommendations' => 'nullable|string',
            'discount_pct' => 'nullable|numeric|min:0|max:100',
        ]);
        $workOrder->update($data);
        $workOrder->recalcTotal();
        return response()->json($workOrder->fresh());
    }

    public function destroy(WorkOrder $workOrder): JsonResponse
    {
        $workOrder->delete();
        return response()->json(['ok' => true]);
    }
}