<?php

namespace App\Http\Controllers;

use Illuminate\Http\Request;
use App\Models\CollectionType;
use App\Models\ExpenseCategory;
use App\Models\ProductCategory;
use App\Models\PaymentMethod;
use App\Models\StaffRole;
use Illuminate\Support\Facades\Log;

class MasterController extends Controller
{
    private function getModel($type)
    {
        switch ($type) {
            case 'collection': return new CollectionType();
            case 'expense': return new ExpenseCategory();
            case 'product': return new ProductCategory();
            case 'payment_method': return new PaymentMethod();
            case 'staff_role': return new StaffRole();
            default: return null;
        }
    }

    public function index($type)
    {
        $model = $this->getModel($type);
        if (!$model) return response()->json(['message' => 'Invalid master type'], 400);
        return response()->json($model::all());
    }

    public function store(Request $request, $type)
    {
        $model = $this->getModel($type);
        if (!$model) return response()->json(['message' => 'Invalid master type'], 400);

        $validated = $request->validate([
            'name' => 'required|string|max:255',
            'status' => 'required|string|in:Active,Inactive'
        ]);

        $item = $model::create($validated);
        return response()->json($item, 201);
    }

    public function update(Request $request, $type, $id)
    {
        $model = $this->getModel($type);
        if (!$model) return response()->json(['message' => 'Invalid master type'], 400);

        $item = $model::findOrFail($id);

        $validated = $request->validate([
            'name' => 'required|string|max:255',
            'status' => 'required|string|in:Active,Inactive'
        ]);

        $item->update($validated);
        return response()->json($item);
    }

    public function destroy($type, $id)
    {
        $model = $this->getModel($type);
        if (!$model) return response()->json(['message' => 'Invalid master type'], 400);

        $item = $model::findOrFail($id);

        if ($type === 'collection' && (
            strtolower($item->name) === 'product sale' || 
            strtolower($item->name) === 'product saled'
        )) {
            return response()->json(['message' => 'System required item cannot be deleted'], 422);
        }

        $item->delete();
        return response()->json(['message' => 'Deleted successfully']);
    }
}