<?php

namespace App\Http\Controllers\Api\Admin\Customer\Concerns;

use App\Models\Service;
use App\Support\AutoEmailGate;
use Illuminate\Http\JsonResponse;
use Illuminate\Http\Request;

trait ManagesCustomerServices
{
    public function getServices(string $uuid): JsonResponse
    {
        return response()->json(['error' => false, 'data' => $this->serviceProvisioning->getServices($uuid)]);
    }

    public function attachService(string $uuid, Request $request): JsonResponse
    {
        $data = $request->validate(['service_id' => 'required|integer|exists:services,id']);

        $service = $this->serviceProvisioning->attachService($uuid, $data['service_id']);

        return response()->json(['error' => false, 'message' => 'Đã gán dịch vụ cho khách hàng', 'data' => $service]);
    }

    public function bulkDeleteServices(string $uuid, Request $request): JsonResponse
    {
        $data = $request->validate(['ids' => 'required|array|min:1', 'ids.*' => 'integer']);

        $deleted = $this->serviceProvisioning->bulkDeleteServices($uuid, $data['ids']);

        return response()->json(['error' => false, 'message' => "Đã gỡ {$deleted} dịch vụ khỏi khách hàng", 'data' => ['deleted' => $deleted]]);
    }

    public function updateService(string $uuid, int $serviceId, Request $request): JsonResponse
    {
        $data = $request->validate([
            'server_name' => 'nullable|string|max:255',
            'status' => 'nullable|in:pending,active,suspended,expired,cancelled,terminated',
            'auto_renew' => 'nullable|boolean',
            'started_at' => 'nullable|date',
            'expires_at' => 'nullable|date',
            'note' => 'nullable|string',
            'requirements' => 'nullable|string',
            'feedback' => 'nullable|string',
            'price' => 'nullable|numeric|min:0',
            'billing_cycle' => 'nullable|in:monthly,quarterly,semi_annually,annually,biennially,triennially',
            'virtual_machine_id' => 'nullable|integer|exists:virtual_machines,id',
            'os_id' => 'nullable|integer|exists:os,id',
            'vm_cpu' => 'nullable|integer|min:1',
            'vm_ram_mb' => 'nullable|integer|min:1',
            'vm_disk_gb' => 'nullable|integer|min:1',
            'vm_ip' => 'nullable|string|max:45',
            'vm_dns' => 'nullable|string|max:100',
            'vm_user' => 'nullable|string|max:255',
            'vm_password' => 'nullable|string|max:255',
            'vm_port' => 'nullable|integer|min:1|max:65535',
        ]);

        $service = $this->serviceProvisioning->updateService($uuid, $serviceId, $data);

        return response()->json(['error' => false, 'message' => 'Cập nhật dịch vụ thành công', 'data' => $service]);
    }

    public function changeServiceIp(string $uuid, int $serviceId, Request $request): JsonResponse
    {
        $data = $request->validate(['ip' => 'required|ip']);

        abort_if(!Service::where('id', $serviceId)->value('vm_id'), 422, 'Dịch vụ chưa gắn VM.');

        $service = $this->serviceProvisioning->updateService($uuid, $serviceId, ['vm_ip' => $data['ip']]);

        return response()->json(['error' => false, 'message' => 'Đã đổi IP thành công', 'data' => $service]);
    }

    public function changeServicePort(string $uuid, int $serviceId, Request $request): JsonResponse
    {
        $data = $request->validate(['port' => 'required|integer|min:1|max:65535']);

        abort_if(!Service::where('id', $serviceId)->value('vm_id'), 422, 'Dịch vụ chưa gắn VM.');

        $service = $this->serviceProvisioning->updateService($uuid, $serviceId, ['vm_port' => $data['port']]);

        return response()->json(['error' => false, 'message' => 'Đã đổi port thành công', 'data' => $service]);
    }

    public function notifyServiceRenewal(string $uuid, int $serviceId): JsonResponse
    {
        AutoEmailGate::markManual();
        $this->serviceProvisioning->notifyRenewal($uuid, $serviceId);

        return response()->json(['error' => false, 'message' => 'Đã gửi thông báo gia hạn đến khách hàng.']);
    }

    public function createService(string $uuid, Request $request): JsonResponse
    {
        $data = $request->validate([
            'product_id' => 'required|integer|exists:products,id',
            'virtual_machine_id' => 'nullable|integer|exists:virtual_machines,id',
            'server_name' => 'nullable|string|max:255',
            'status' => 'nullable|in:pending,active,suspended,expired,cancelled,terminated',
            'auto_renew' => 'nullable|boolean',
            'started_at' => 'nullable|date',
            'expires_at' => 'nullable|date',
            'note' => 'nullable|string',
            'billing_cycle' => 'nullable|in:monthly,quarterly,semi_annually,annually,biennially,triennially',
            'payment_method' => 'required|in:transfer,balance',
            'amount_paid' => 'nullable|numeric|min:0',
            'proof_images' => 'nullable|array',
            'proof_images.*' => 'file|image|max:5120',
            'os_id' => 'nullable|integer|exists:os,id',
            'vm_cpu' => 'nullable|integer|min:1',
            'vm_ram_mb' => 'nullable|integer|min:1',
            'vm_disk_gb' => 'nullable|integer|min:1',
            'vm_ip' => 'nullable|string|max:45',
            'vm_dns' => 'nullable|string|max:100',
            'vm_user' => 'nullable|string|max:255',
            'vm_password' => 'nullable|string|max:255',
            'vm_port' => 'nullable|integer|min:1|max:65535',
        ]);

        // Upload proof images (chuyển khoản) — I/O ở tầng HTTP, service chỉ nhận đường dẫn đã lưu.
        if ($data['payment_method'] === 'transfer' && $request->hasFile('proof_images')) {
            $data['_proof_paths'] = collect($request->file('proof_images'))
                ->map(fn($file) => $file->store('payment-proofs', 'public'))
                ->all();
        }

        $service = $this->serviceProvisioning->createService($uuid, $data, $request->ip());

        return response()->json(['error' => false, 'message' => 'Service created', 'data' => $service], 201);
    }

    public function listAvailableVms(Request $request): JsonResponse
    {
        $vms = $this->serviceProvisioning->listAvailableVms(trim((string) $request->get('q', '')));

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