<?php

namespace App\Http\Controllers\Api;

use App\Http\Controllers\Controller;
use App\Services\Api\ApiService;
use Illuminate\Http\Request;

class TopUpController extends Controller
{
    protected ApiService $apiService;

    public function __construct(ApiService $apiService)
    {
        $this->apiService = $apiService;
    }

    public function index()
    {
        try {
            $response = $this->apiService->get('/top-ups');
            
            if ($response->successful()) {
                return view('pages.top-up', [
                    'topUps' => $response->json()['data']
                ]);
            }

            return back()->with('error', 'Unable to fetch top-up records.');
        } catch (\Exception $e) {
            return back()->with('error', 'Service unavailable.');
        }
    }

    public function store(Request $request)
    {
        $validated = $request->validate([
            'member_id' => 'required|string',
            'amount' => 'required|numeric|min:0',
            'payment_method' => 'required|string',
            'reference_number' => 'required|string|unique:top_ups,reference_number',
            'status' => 'required|string|in:pending,completed,failed',
            'notes' => 'nullable|string'
        ]);

        try {
            $response = $this->apiService->post('/top-ups', $validated);

            if ($response->successful()) {
                return redirect()->route('top-up')
                    ->with('success', 'Top-up transaction created successfully.');
            }

            return back()->withErrors($response->json()['errors']);
        } catch (\Exception $e) {
            return back()->with('error', 'Unable to create top-up transaction.');
        }
    }

    public function getSettings()
    {
        try {
            $response = $this->apiService->get('/top-up-settings');
            
            if ($response->successful()) {
                return view('pages.top-up-settings', [
                    'settings' => $response->json()['data']
                ]);
            }

            return back()->with('error', 'Unable to fetch top-up settings.');
        } catch (\Exception $e) {
            return back()->with('error', 'Service unavailable.');
        }
    }

    public function updateSettings(Request $request)
    {
        $validated = $request->validate([
            'min_amount' => 'required|numeric|min:0',
            'max_amount' => 'required|numeric|min:0|gt:min_amount',
            'allowed_payment_methods' => 'required|array',
            'processing_fee' => 'required|numeric|min:0',
            'is_enabled' => 'required|boolean'
        ]);

        try {
            $response = $this->apiService->put('/top-up-settings', $validated);

            if ($response->successful()) {
                return redirect()->route('top-up-settings')
                    ->with('success', 'Top-up settings updated successfully.');
            }

            return back()->withErrors($response->json()['errors']);
        } catch (\Exception $e) {
            return back()->with('error', 'Unable to update top-up settings.');
        }
    }

    public function getTransactionHistory(Request $request)
    {
        $filters = $request->validate([
            'start_date' => 'nullable|date',
            'end_date' => 'nullable|date|after_or_equal:start_date',
            'status' => 'nullable|string|in:pending,completed,failed',
            'payment_method' => 'nullable|string'
        ]);

        try {
            $response = $this->apiService->get('/top-ups/history', $filters);
            
            if ($response->successful()) {
                return response()->json($response->json());
            }

            return response()->json(['error' => 'Unable to fetch transaction history'], 400);
        } catch (\Exception $e) {
            return response()->json(['error' => 'Service unavailable'], 503);
        }
    }
}