<?php

namespace App\Http\Controllers\Api;

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

class ReportsController extends Controller
{
    protected ApiService $apiService;

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

    public function registrationReport(Request $request)
    {
        $filters = $request->validate([
            'start_date' => 'nullable|date',
            'end_date' => 'nullable|date|after_or_equal:start_date',
            'member_type' => 'nullable|string'
        ]);

        try {
            $response = $this->apiService->get('/reports/registrations', $filters);
            
            if ($response->successful()) {
                return view('pages.reports.registration-report', [
                    'report' => $response->json()['data']
                ]);
            }

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

    public function topUpUsageReport(Request $request)
    {
        $filters = $request->validate([
            'start_date' => 'nullable|date',
            'end_date' => 'nullable|date|after_or_equal:start_date',
            'payment_method' => 'nullable|string'
        ]);

        try {
            $response = $this->apiService->get('/reports/top-up-usage', $filters);
            
            if ($response->successful()) {
                return view('pages.reports.top-up-usage-report', [
                    'report' => $response->json()['data']
                ]);
            }

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

    public function mobileUsageReport(Request $request)
    {
        $filters = $request->validate([
            'start_date' => 'nullable|date',
            'end_date' => 'nullable|date|after_or_equal:start_date',
            'platform' => 'nullable|string'
        ]);

        try {
            $response = $this->apiService->get('/reports/mobile-usage', $filters);
            
            if ($response->successful()) {
                return view('pages.reports.mobile-usage-report', [
                    'report' => $response->json()['data']
                ]);
            }

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

    public function stationRatingReport(Request $request)
    {
        $filters = $request->validate([
            'start_date' => 'nullable|date',
            'end_date' => 'nullable|date|after_or_equal:start_date',
            'station_id' => 'nullable|integer',
            'rating' => 'nullable|integer|min:1|max:5'
        ]);

        try {
            $response = $this->apiService->get('/reports/station-ratings', $filters);
            
            if ($response->successful()) {
                return view('pages.reports.station-rating-report', [
                    'report' => $response->json()['data']
                ]);
            }

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

    public function exportReport(Request $request, $reportType)
    {
        $filters = $request->validate([
            'start_date' => 'nullable|date',
            'end_date' => 'nullable|date|after_or_equal:start_date',
            'format' => 'required|string|in:csv,excel,pdf'
        ]);

        try {
            $response = $this->apiService->get("/reports/{$reportType}/export", $filters);
            
            if ($response->successful()) {
                return response()->streamDownload(
                    function () use ($response) {
                        echo $response->body();
                    },
                    "report.{$filters['format']}"
                );
            }

            return back()->with('error', 'Unable to export report.');
        } catch (\Exception $e) {
            return back()->with('error', 'Service unavailable.');
        }
    }
}