<?php

namespace App\Http\Controllers\Api\Admin\Hosting;

use App\Http\Controllers\Controller;
use App\Models\ServicePlan;
use Illuminate\Http\JsonResponse;
use Illuminate\Http\Request;

class ServicePlanController extends Controller
{
    public function index(): JsonResponse
    {
        $plans = ServicePlan::with('plesk', 'dnsServer')->orderBy('title')->get();

        return response()->json(['error' => false, 'data' => $plans]);
    }

    public function show(int $id): JsonResponse
    {
        $plan = ServicePlan::with('plesk', 'dnsServer')->find($id);

        if (!$plan) {
            return response()->json(['error' => true, 'message' => 'Không tìm thấy gói hosting.'], 404);
        }

        return response()->json(['error' => false, 'data' => $plan]);
    }

    public function store(Request $request): JsonResponse
    {
        $validated = $request->validate([
            'title'                  => 'required|string|max:255',
            'vcpu'                   => 'required|integer|min:0',
            'ram'                    => 'required|integer|min:0',
            'disk'                   => 'required|integer|min:0',
            'domain'                 => 'required|integer|min:0',
            'dns_manager_server_id'  => 'nullable|integer|exists:dns_manager_servers,id',
            'plesk_plan_name'        => 'nullable|string|max:255',
            'note'                   => 'nullable|string',
        ]);

        $plan = ServicePlan::create([
            'title'                 => $validated['title'],
            'vcpu'                  => $validated['vcpu'],
            'ram'                   => $validated['ram'],
            'disk'                  => $validated['disk'],
            'domain'                => $validated['domain'],
            'dns_manager_server_id' => $validated['dns_manager_server_id'] ?? null,
        ]);

        $this->savePlesk($plan, $validated);

        return response()->json([
            'error'   => false,
            'message' => 'Tạo gói hosting thành công.',
            'data'    => $plan->load('plesk', 'dnsServer'),
        ], 201);
    }

    public function update(Request $request, int $id): JsonResponse
    {
        $plan = ServicePlan::find($id);

        if (!$plan) {
            return response()->json(['error' => true, 'message' => 'Không tìm thấy gói hosting.'], 404);
        }

        $validated = $request->validate([
            'title'                  => 'required|string|max:255',
            'vcpu'                   => 'required|integer|min:0',
            'ram'                    => 'required|integer|min:0',
            'disk'                   => 'required|integer|min:0',
            'domain'                 => 'required|integer|min:0',
            'dns_manager_server_id'  => 'nullable|integer|exists:dns_manager_servers,id',
            'plesk_plan_name'        => 'nullable|string|max:255',
            'note'                   => 'nullable|string',
        ]);

        $plan->update([
            'title'                 => $validated['title'],
            'vcpu'                  => $validated['vcpu'],
            'ram'                   => $validated['ram'],
            'disk'                  => $validated['disk'],
            'domain'                => $validated['domain'],
            'dns_manager_server_id' => $validated['dns_manager_server_id'] ?? null,
        ]);

        $this->savePlesk($plan, $validated);

        return response()->json([
            'error'   => false,
            'message' => 'Cập nhật gói hosting thành công.',
            'data'    => $plan->fresh(['plesk', 'dnsServer']),
        ]);
    }

    public function destroy(int $id): JsonResponse
    {
        $plan = ServicePlan::find($id);

        if (!$plan) {
            return response()->json(['error' => true, 'message' => 'Không tìm thấy gói hosting.'], 404);
        }

        $plan->delete();

        return response()->json(['error' => false, 'message' => 'Xoá gói hosting thành công.']);
    }

    private function savePlesk(ServicePlan $plan, array $data): void
    {
        if (empty($data['plesk_plan_name'])) {
            $plan->plesk()->delete();
            return;
        }

        $plan->plesk()->updateOrCreate(
            ['service_plan_id' => $plan->id],
            ['plesk_plan_name' => $data['plesk_plan_name'], 'note' => $data['note'] ?? null]
        );
    }
}