<?php

namespace App\Http\Controllers;

use App\Models\Feed;
use App\Models\PlatformAccount;
use App\Models\PlatformChannel;
use App\Models\PlatformInstance;
use App\Services\SystemStatusService;
use App\Services\DashboardStatsService;
use Illuminate\Http\Request;
use Illuminate\View\View;
use Illuminate\Http\RedirectResponse;

class OnboardingController extends Controller
{
    public function index(Request $request): View|RedirectResponse
    {
        // Check if user needs onboarding
        if (!$this->needsOnboarding()) {
            $systemStatus = resolve(SystemStatusService::class)->getSystemStatus();
            $statsService = resolve(DashboardStatsService::class);
            
            $period = $request->get('period', 'today');
            $stats = $statsService->getStats($period);
            $systemStats = $statsService->getSystemStats();
            $availablePeriods = $statsService->getAvailablePeriods();

            return view('pages.dashboard', compact(
                'systemStatus', 
                'stats', 
                'systemStats', 
                'availablePeriods', 
                'period'
            ));
        }

        return view('onboarding.welcome');
    }

    public function platform(): View|RedirectResponse
    {
        if (!$this->needsOnboarding()) {
            return redirect()->route('feeds.index');
        }

        return view('onboarding.platform');
    }

    public function feed(): View|RedirectResponse
    {
        if (!$this->needsOnboarding()) {
            return redirect()->route('feeds.index');
        }

        if (!$this->hasPlatformAccount()) {
            return redirect()->route('onboarding.platform');
        }

        return view('onboarding.feed');
    }

    public function channel(): View|RedirectResponse
    {
        if (!$this->needsOnboarding()) {
            return redirect()->route('feeds.index');
        }

        if (!$this->hasPlatformAccount()) {
            return redirect()->route('onboarding.platform');
        }

        if (!$this->hasFeed()) {
            return redirect()->route('onboarding.feed');
        }

        return view('onboarding.channel');
    }

    public function complete(): View|RedirectResponse
    {
        if (!$this->needsOnboarding()) {
            return redirect()->route('feeds.index');
        }

        if (!$this->hasPlatformAccount() || !$this->hasFeed() || !$this->hasChannel()) {
            return redirect()->route('onboarding.index');
        }

        $systemStatus = resolve(SystemStatusService::class)->getSystemStatus();

        return view('onboarding.complete', compact('systemStatus'));
    }

    private function needsOnboarding(): bool
    {
        return !$this->hasPlatformAccount() || !$this->hasFeed() || !$this->hasChannel();
    }

    private function hasPlatformAccount(): bool
    {
        return PlatformAccount::where('is_active', true)->exists();
    }

    private function hasFeed(): bool
    {
        return Feed::where('is_active', true)->exists();
    }

    private function hasChannel(): bool
    {
        return PlatformChannel::where('is_active', true)->exists();
    }
}