<?php

namespace App\Http\Controllers\Api\V1;

use App\Models\Feed;
use App\Models\Language;
use App\Models\PlatformAccount;
use App\Models\PlatformChannel;
use App\Models\PlatformInstance;
use App\Models\Route;
use App\Models\Setting;
use Illuminate\Http\JsonResponse;

class OnboardingController extends BaseController
{
    /**
     * Get onboarding status - whether user needs onboarding
     */
    public function status(): JsonResponse
    {
        $hasPlatformAccount = PlatformAccount::where('is_active', true)->exists();
        $hasFeed = Feed::where('is_active', true)->exists();
        $hasChannel = PlatformChannel::where('is_active', true)->exists();
        $hasRoute = Route::where('is_active', true)->exists();

        // Check if onboarding was explicitly skipped or completed
        $onboardingSkipped = Setting::where('key', 'onboarding_skipped')->value('value') === 'true';
        $onboardingCompleted = Setting::where('key', 'onboarding_completed')->exists();

        // User needs onboarding if:
        // 1. They haven't completed or skipped onboarding AND
        // 2. They don't have all required components
        $hasAllComponents = $hasPlatformAccount && $hasFeed && $hasChannel && $hasRoute;
        $needsOnboarding = ! $onboardingCompleted && ! $onboardingSkipped && ! $hasAllComponents;

        // Determine current step
        $currentStep = null;
        if ($needsOnboarding) {
            if (! $hasPlatformAccount) {
                $currentStep = 'platform';
            } elseif (! $hasFeed) {
                $currentStep = 'feed';
            } elseif (! $hasChannel) {
                $currentStep = 'channel';
            } elseif (! $hasRoute) {
                $currentStep = 'route';
            }
        }

        return $this->sendResponse([
            'needs_onboarding' => $needsOnboarding,
            'current_step' => $currentStep,
            'has_platform_account' => $hasPlatformAccount,
            'has_feed' => $hasFeed,
            'has_channel' => $hasChannel,
            'has_route' => $hasRoute,
            'onboarding_skipped' => $onboardingSkipped,
            'onboarding_completed' => $onboardingCompleted,
            'missing_components' => ! $hasAllComponents && $onboardingCompleted,
        ], 'Onboarding status retrieved successfully.');
    }

    /**
     * Get onboarding options (languages, platform instances)
     */
    public function options(): JsonResponse
    {
        $languages = Language::where('is_active', true)
            ->orderBy('name')
            ->get(['id', 'short_code', 'name', 'native_name', 'is_active']);

        $platformInstances = PlatformInstance::where('is_active', true)
            ->orderBy('name')
            ->get(['id', 'platform', 'url', 'name', 'description', 'is_active']);

        // Get existing feeds and channels for route creation
        $feeds = Feed::where('is_active', true)
            ->orderBy('name')
            ->get(['id', 'name', 'url', 'type']);

        $platformChannels = PlatformChannel::where('is_active', true)
            ->with(['platformInstance:id,name,url'])
            ->orderBy('name')
            ->get(['id', 'platform_instance_id', 'name', 'display_name', 'description']);

        // Get feed providers from config
        /** @var array<string, array<string, mixed>> $providers */
        $providers = config('feed.providers', []);
        $feedProviders = collect($providers)
            ->filter(fn (array $provider) => $provider['is_active'])
            ->values();

        return $this->sendResponse([
            'languages' => $languages,
            'platform_instances' => $platformInstances,
            'feeds' => $feeds,
            'platform_channels' => $platformChannels,
            'feed_providers' => $feedProviders,
        ], 'Onboarding options retrieved successfully.');
    }

    /**
     * Mark onboarding as complete
     */
    public function complete(): JsonResponse
    {
        // Track that onboarding has been completed with a timestamp
        Setting::updateOrCreate(
            ['key' => 'onboarding_completed'],
            ['value' => now()->toIso8601String()]
        );

        return $this->sendResponse(
            ['completed' => true],
            'Onboarding completed successfully.'
        );
    }

    /**
     * Skip onboarding - user can access the app without completing setup
     */
    public function skip(): JsonResponse
    {
        Setting::updateOrCreate(
            ['key' => 'onboarding_skipped'],
            ['value' => 'true']
        );

        return $this->sendResponse(
            ['skipped' => true],
            'Onboarding skipped successfully.'
        );
    }

    /**
     * Reset onboarding skip status - force user back to onboarding
     */
    public function resetSkip(): JsonResponse
    {
        Setting::where('key', 'onboarding_skipped')->delete();
        // Also reset completion status to allow re-onboarding
        Setting::where('key', 'onboarding_completed')->delete();

        return $this->sendResponse(
            ['reset' => true],
            'Onboarding status reset successfully.'
        );
    }
}