<?php

namespace App\Http\Controllers;

use App\Models\SocialAutomationSetting;
use App\Models\SocialMediaAsset;
use App\Models\SocialPost;
use App\Models\SocialRecurringAlert;
use App\Models\SocialRecurringCampaign;
use App\Services\SocialRecurringCampaignService;
use App\Services\SocialContentGeneratorService;
use App\Services\FreepikMusicService;
use App\Services\SocialAutomationHealthService;
use App\Services\SocialMediaStudioService;
use App\Services\SocialPostMediaPreparationService;
use App\Services\SocialPublisherService;
use App\Services\VideoMusicComposerService;
use Illuminate\Http\JsonResponse;
use Illuminate\Http\RedirectResponse;
use Illuminate\Http\Request;
use Illuminate\Support\Carbon;
use Illuminate\Support\Facades\Storage;
use Illuminate\Support\Str;
use Illuminate\View\View;

class SocialAutomationController extends Controller
{
    public function index(Request $request): View
    {
        $user = $request->user();
        $setting = $this->settingFor($user->id);
        $campaignStatusFilter = (string) $request->query('campaign_status', 'all');
        if (! in_array($campaignStatusFilter, ['all', 'active', 'paused', 'completed'], true)) {
            $campaignStatusFilter = 'all';
        }

        $credentials = $user->socialPlatformCredentials()
            ->get()
            ->keyBy('platform');

        $posts = $user->socialPosts()
            ->latest()
            ->paginate(12)
            ->withQueryString();

        $stats = [
            'scheduled' => $user->socialPosts()->where('status', 'scheduled')->count(),
            'posted' => $user->socialPosts()->where('status', 'posted')->count(),
            'failed' => $user->socialPosts()->where('status', 'failed')->count(),
            'need_approval' => $user->socialPosts()->where('requires_approval', true)->where('status', 'draft')->count(),
        ];

        $imageGallery = $user->socialMediaAssets()
            ->where('type', 'image')
            ->latest('id')
            ->limit(24)
            ->get();

        $videoGallery = $user->socialMediaAssets()
            ->where('type', 'video')
            ->latest('id')
            ->limit(18)
            ->get();

        $recurringCampaigns = $user->socialRecurringCampaigns()
            ->when($campaignStatusFilter !== 'all', fn ($query) => $query->where('status', $campaignStatusFilter))
            ->latest('id')
            ->limit(12)
            ->get();

        $recurringHistory = $user->socialPosts()
            ->when(
                $recurringCampaigns->isNotEmpty(),
                fn ($query) => $query->whereIn('recurrence_campaign_id', $recurringCampaigns->pluck('id')->all()),
                fn ($query) => $query->whereRaw('1 = 0')
            )
            ->latest('scheduled_at')
            ->limit(120)
            ->get()
            ->groupBy('recurrence_campaign_id');

        $recurringAlerts = $user->socialRecurringAlerts()
            ->whereNull('read_at')
            ->latest('id')
            ->limit(8)
            ->get();

        return view('social.index', [
            'credentials' => $credentials,
            'posts' => $posts,
            'stats' => $stats,
            'platforms' => $this->platforms(),
            'setting' => $setting,
            'imageGallery' => $imageGallery,
            'videoGallery' => $videoGallery,
            'recurringCampaigns' => $recurringCampaigns,
            'recurringHistory' => $recurringHistory,
            'recurringAlerts' => $recurringAlerts,
            'campaignStatusFilter' => $campaignStatusFilter,
        ]);
    }

    public function credentialsIndex(Request $request, SocialAutomationHealthService $health): View
    {
        $user = $request->user();
        $platforms = $this->platforms();

        return view('social.credentials', [
            'credentials' => $user->socialPlatformCredentials()
                ->get()
                ->keyBy('platform'),
            'cronStatus' => $health->cronStatus(),
            'platformProgress' => $health->platformProgress($user, $platforms),
            'platforms' => $platforms,
        ]);
    }

    public function generate(Request $request, SocialContentGeneratorService $generator): RedirectResponse
    {
        $data = $request->validate([
            'topic' => ['required', 'string', 'max:350'],
            'tone' => ['nullable', 'string', 'max:100'],
            'platform_hint' => ['nullable', 'string', 'max:100'],
        ]);

        try {
            $result = $generator->generate(
                $data['topic'],
                $data['platform_hint'] ?? 'facebook, instagram, tiktok, x',
                $data['tone'] ?? 'friendly-professional'
            );
        } catch (\Throwable $e) {
            return redirect()->route('social.index')
                ->with('social_error', $e->getMessage())
                ->withInput();
        }

        return redirect()->route('social.index')->with('social_generated', $result);
    }

    public function generateAndSchedule(
        Request $request,
        SocialContentGeneratorService $generator,
        SocialMediaStudioService $studio,
        SocialRecurringCampaignService $recurringCampaigns
    ): RedirectResponse
    {
        $data = $request->validate([
            'topic' => ['required', 'string', 'max:350'],
            'tone' => ['nullable', 'string', 'max:100'],
            'platform_hint' => ['nullable', 'string', 'max:100'],
            'platforms' => ['required', 'array', 'min:1'],
            'platforms.*' => ['required', 'in:facebook,instagram,tiktok,x'],
            'image_url' => ['nullable', 'string', 'max:2048'],
            'video_url' => ['nullable', 'string', 'max:2048'],
            'auto_generate_image' => ['nullable', 'in:0,1'],
            'auto_generate_video' => ['nullable', 'in:0,1'],
            'image_prompt' => ['nullable', 'string', 'max:1000'],
            'video_prompt' => ['nullable', 'string', 'max:1000'],
            'bgm_auto' => ['nullable', 'in:0,1'],
            'bgm_prompt' => ['nullable', 'string', 'max:600'],
            'bgm_duration' => ['nullable', 'integer', 'min:5', 'max:60'],
            'bgm_volume' => ['nullable', 'numeric', 'min:0.05', 'max:1'],
            'scheduled_at' => ['required', 'date'],
            'status' => ['required', 'in:draft,scheduled'],
            'repeat_frequency' => ['nullable', 'in:none,daily,weekly'],
            'repeat_until' => ['nullable', 'date', 'after:scheduled_at'],
            'repeat_refresh_content' => ['nullable', 'in:0,1'],
            'repeat_refresh_media' => ['nullable', 'in:0,1'],
            'brand_label' => ['nullable', 'string', 'max:120'],
            'team_label' => ['nullable', 'string', 'max:120'],
            'approval_mode' => ['nullable', 'in:inherit,manual,auto'],
        ]);

        try {
            $platformHint = $data['platform_hint'] ?? implode(', ', $data['platforms']);
            $generated = $generator->generate(
                $data['topic'],
                $platformHint,
                $data['tone'] ?? 'friendly-professional'
            );

            $payload = array_merge($data, [
                'title' => $generated['title'] ?? $data['topic'],
                'caption' => $this->composeGeneratedCaption($generated),
                'hashtags' => $generated['hashtags'] ?? [],
            ]);
            $payload = $this->prepareQueuedMedia($request->user()->id, $payload, $generated, $studio);

            $validationMessage = $this->validateQueuedPostInput($payload);
            if ($validationMessage !== null) {
                return redirect()->route('social.index')
                    ->with('social_error', $validationMessage)
                    ->with('social_generated', $generated)
                    ->withInput();
            }

            $campaign = $recurringCampaigns->createFromPayload($request->user(), $payload);
            $this->queuePosts(
                $request->user(),
                $payload,
                $campaign ? [
                    'recurrence_campaign_id' => $campaign->id,
                    'recurrence_occurrence_at' => Carbon::parse($payload['scheduled_at']),
                ] : []
            );
        } catch (\Throwable $e) {
            return redirect()->route('social.index')
                ->with('social_error', $e->getMessage())
                ->withInput();
        }

        return redirect()->route('social.index')
            ->with('social_generated', $generated)
            ->with('social_success', 'Konten AI berhasil dibuat dan langsung masuk ke queue automation.');
    }

    public function generateMediaImage(Request $request, SocialMediaStudioService $studio): JsonResponse
    {
        $data = $request->validate([
            'prompt' => ['required', 'string', 'max:1000'],
        ]);

        try {
            $media = $studio->generateImage($data['prompt']);
            $assets = $this->saveGeneratedImageAssets($request->user()->id, $media);

            return response()->json([
                'media' => $media,
                'saved_assets' => $assets,
            ]);
        } catch (\Throwable $e) {
            return response()->json([
                'message' => $e->getMessage(),
            ], 422);
        }
    }

    public function generateMediaVideo(Request $request, SocialMediaStudioService $studio): JsonResponse
    {
        $data = $request->validate([
            'prompt' => ['required', 'string', 'max:1000'],
        ]);

        try {
            $media = $studio->generateVideo($data['prompt']);
            $asset = $this->saveGeneratedVideoAsset($request->user()->id, $media);

            return response()->json([
                'media' => $media,
                'saved_assets' => [$asset],
            ]);
        } catch (\Throwable $e) {
            return response()->json([
                'message' => $e->getMessage(),
            ], 422);
        }
    }

    public function composeVideoMusic(
        Request $request,
        FreepikMusicService $music,
        VideoMusicComposerService $composer
    ): JsonResponse {
        $data = $request->validate([
            'video_url' => ['required', 'string', 'max:2048'],
            'music_prompt' => ['required', 'string', 'max:600'],
            'music_duration' => ['nullable', 'integer', 'min:5', 'max:60'],
            'music_volume' => ['nullable', 'numeric', 'min:0.05', 'max:1'],
        ]);

        if (! $this->isAcceptedMediaUrl($data['video_url'])) {
            return response()->json([
                'message' => 'Video URL harus berupa http/https atau path /storage/...',
            ], 422);
        }

        try {
            $track = $music->generate(
                $data['music_prompt'],
                (int) ($data['music_duration'] ?? 15)
            );

            $mixed = $composer->compose(
                $data['video_url'],
                (string) ($track['url'] ?? ''),
                (float) ($data['music_volume'] ?? 0.24)
            );

            $asset = SocialMediaAsset::query()->create([
                'user_id' => $request->user()->id,
                'type' => 'video',
                'provider' => 'freepik-music-mix',
                'prompt' => trim($data['music_prompt']),
                'url' => (string) $mixed['url'],
                'thumbnail_url' => null,
                'width' => 1080,
                'height' => 1920,
                'duration_seconds' => (int) ($track['duration_seconds'] ?? 0),
                'meta' => [
                    'source_video_url' => $data['video_url'],
                    'music_url' => $track['url'] ?? null,
                    'music_prompt' => $data['music_prompt'],
                    'music_provider' => $track['provider'] ?? 'freepik-music',
                    'music_duration' => (int) ($data['music_duration'] ?? 15),
                    'music_volume' => (float) ($data['music_volume'] ?? 0.24),
                ],
            ]);

            return response()->json([
                'message' => 'BGM berhasil ditambahkan ke video.',
                'mixed_video_url' => $asset->url,
                'music' => $track,
                'saved_asset' => $this->assetPayload($asset),
            ]);
        } catch (\Throwable $e) {
            return response()->json([
                'message' => $e->getMessage(),
            ], 422);
        }
    }

    public function uploadMediaAsset(Request $request): JsonResponse
    {
        $data = $request->validate([
            'asset' => ['required', 'file', 'max:51200', 'mimetypes:image/jpeg,image/png,image/webp,image/gif,video/mp4,video/quicktime,video/webm'],
            'label' => ['nullable', 'string', 'max:250'],
        ]);

        $file = $data['asset'];
        $mime = (string) $file->getMimeType();
        $type = Str::startsWith($mime, 'video/') ? 'video' : 'image';
        $extension = strtolower((string) $file->getClientOriginalExtension());
        if ($extension === '') {
            $extension = $type === 'video' ? 'mp4' : 'jpg';
        }

        $folder = $type === 'video' ? 'social_assets/videos' : 'social_assets/images';
        $filename = now()->format('Ymd_His').'_'.$request->user()->id.'_'.Str::lower(Str::random(8)).'.'.$extension;
        $storedPath = $file->storeAs($folder, $filename, 'public');

        $asset = SocialMediaAsset::query()->create([
            'user_id' => $request->user()->id,
            'type' => $type,
            'provider' => 'upload',
            'prompt' => trim((string) ($data['label'] ?? '')),
            'url' => Storage::url($storedPath),
            'thumbnail_url' => $type === 'image' ? Storage::url($storedPath) : null,
            'meta' => [
                'source' => 'manual_upload',
                'mime' => $mime,
                'original_name' => $file->getClientOriginalName(),
                'size_bytes' => $file->getSize(),
            ],
        ]);

        return response()->json([
            'message' => ucfirst($type).' berhasil diupload dan tersimpan di gallery.',
            'saved_asset' => $this->assetPayload($asset),
        ]);
    }

    public function remixMedia(Request $request, SocialMediaStudioService $studio): JsonResponse
    {
        $data = $request->validate([
            'source_asset_id' => ['required', 'integer'],
            'prompt' => ['required', 'string', 'max:1000'],
            'mode' => ['required', 'in:mockup,face_swap,restyle'],
            'output_type' => ['required', 'in:image,video'],
        ]);

        $source = SocialMediaAsset::query()
            ->where('id', $data['source_asset_id'])
            ->where('user_id', $request->user()->id)
            ->first();

        if (! $source) {
            return response()->json([
                'message' => 'Source asset tidak ditemukan atau bukan milik akun ini.',
            ], 404);
        }

        try {
            $media = $studio->remixFromAsset([
                'type' => $source->type,
                'url' => $source->url,
            ], $data['prompt'], $data['mode'], $data['output_type']);

            if ($data['output_type'] === 'video') {
                $asset = $this->saveGeneratedVideoAsset($request->user()->id, $media);
                return response()->json([
                    'media' => $media,
                    'saved_assets' => [$asset],
                ]);
            }

            $assets = $this->saveGeneratedImageAssets($request->user()->id, $media);
            return response()->json([
                'media' => $media,
                'saved_assets' => $assets,
            ]);
        } catch (\Throwable $e) {
            return response()->json([
                'message' => $e->getMessage(),
            ], 422);
        }
    }

    public function store(
        Request $request,
        SocialRecurringCampaignService $recurringCampaigns
    ): RedirectResponse
    {
        $data = $request->validate([
            'platforms' => ['required', 'array', 'min:1'],
            'platforms.*' => ['required', 'in:facebook,instagram,tiktok,x'],
            'title' => ['nullable', 'string', 'max:150'],
            'caption' => ['required', 'string', 'max:2000'],
            'hashtags' => ['nullable', 'string', 'max:500'],
            'image_url' => ['nullable', 'string', 'max:2048'],
            'video_url' => ['nullable', 'string', 'max:2048'],
            'bgm_auto' => ['nullable', 'in:0,1'],
            'bgm_prompt' => ['nullable', 'string', 'max:600'],
            'bgm_duration' => ['nullable', 'integer', 'min:5', 'max:60'],
            'bgm_volume' => ['nullable', 'numeric', 'min:0.05', 'max:1'],
            'scheduled_at' => ['required', 'date'],
            'status' => ['required', 'in:draft,scheduled'],
            'repeat_frequency' => ['nullable', 'in:none,daily,weekly'],
            'repeat_until' => ['nullable', 'date', 'after:scheduled_at'],
            'repeat_refresh_content' => ['nullable', 'in:0,1'],
            'repeat_refresh_media' => ['nullable', 'in:0,1'],
            'brand_label' => ['nullable', 'string', 'max:120'],
            'team_label' => ['nullable', 'string', 'max:120'],
            'approval_mode' => ['nullable', 'in:inherit,manual,auto'],
        ]);

        $validationMessage = $this->validateQueuedPostInput($data);
        if ($validationMessage !== null) {
            return redirect()->route('social.index')
                ->with('social_error', $validationMessage)
                ->withInput();
        }

        $campaign = $recurringCampaigns->createFromPayload($request->user(), $data);

        $this->queuePosts(
            $request->user(),
            $data,
            $campaign ? [
                'recurrence_campaign_id' => $campaign->id,
                'recurrence_occurrence_at' => Carbon::parse($data['scheduled_at']),
            ] : []
        );

        return redirect()->route('social.index')->with('social_success', 'Post berhasil ditambahkan ke antrian.');
    }

    public function saveCredential(Request $request): RedirectResponse
    {
        $data = $request->validate([
            'platform' => ['required', 'in:facebook,instagram,tiktok,x'],
            'account_label' => ['nullable', 'string', 'max:120'],
            'account_id' => ['nullable', 'string', 'max:190'],
            'access_token' => ['nullable', 'string', 'max:4000'],
            'meta_client_id' => ['nullable', 'string', 'max:200'],
            'meta_client_secret' => ['nullable', 'string', 'max:200'],
        ]);

        $existing = $request->user()->socialPlatformCredentials()
            ->where('platform', $data['platform'])
            ->first();

        $existingMeta = $existing?->meta ?? [];
        $meta = [
            'client_id' => filled($data['meta_client_id'] ?? null)
                ? $data['meta_client_id']
                : data_get($existingMeta, 'client_id'),
            'client_secret' => filled($data['meta_client_secret'] ?? null)
                ? $data['meta_client_secret']
                : data_get($existingMeta, 'client_secret'),
        ];

        $request->user()->socialPlatformCredentials()->updateOrCreate(
            ['platform' => $data['platform']],
            [
                'account_label' => $data['account_label'] ?? null,
                'account_id' => $data['account_id'] ?? null,
                'access_token' => filled($data['access_token'] ?? null)
                    ? $data['access_token']
                    : ($existing?->access_token),
                'meta' => $meta,
            ]
        );

        return redirect()
            ->to(route('social.credentials.index').'#platform-'.$data['platform'])
            ->with('social_success', 'Credential platform tersimpan.');
    }

    public function saveSettings(Request $request): RedirectResponse
    {
        $data = $request->validate([
            'approval_mode' => ['required', 'in:manual,auto'],
            'daily_limit' => ['required', 'integer', 'min:1', 'max:500'],
            'facebook_daily_limit' => ['required', 'integer', 'min:0', 'max:500'],
            'instagram_daily_limit' => ['required', 'integer', 'min:0', 'max:500'],
            'tiktok_daily_limit' => ['required', 'integer', 'min:0', 'max:500'],
            'x_daily_limit' => ['required', 'integer', 'min:0', 'max:500'],
            'max_retries' => ['required', 'integer', 'min:0', 'max:10'],
            'retry_delay_minutes' => ['required', 'integer', 'min:1', 'max:1440'],
        ]);

        $platformDailyLimits = [
            'facebook' => (int) $data['facebook_daily_limit'],
            'instagram' => (int) $data['instagram_daily_limit'],
            'tiktok' => (int) $data['tiktok_daily_limit'],
            'x' => (int) $data['x_daily_limit'],
        ];

        SocialAutomationSetting::query()->updateOrCreate(
            ['user_id' => $request->user()->id],
            [
                'approval_mode' => $data['approval_mode'],
                'daily_limit' => (int) $data['daily_limit'],
                'platform_daily_limits' => $platformDailyLimits,
                'max_retries' => (int) $data['max_retries'],
                'retry_delay_minutes' => (int) $data['retry_delay_minutes'],
            ]
        );

        return redirect()->route('social.index')->with('social_success', 'Pengaturan automation berhasil disimpan.');
    }

    public function updateRecurringCampaign(
        Request $request,
        SocialRecurringCampaign $campaign,
        SocialRecurringCampaignService $recurringCampaigns
    ): RedirectResponse {
        abort_unless($campaign->user_id === $request->user()->id, 403);

        $data = $request->validate([
            'platforms' => ['required', 'array', 'min:1'],
            'platforms.*' => ['required', 'in:facebook,instagram,tiktok,x'],
            'title' => ['nullable', 'string', 'max:150'],
            'caption' => ['required', 'string', 'max:2000'],
            'hashtags' => ['nullable', 'string', 'max:500'],
            'image_url' => ['nullable', 'string', 'max:2048'],
            'video_url' => ['nullable', 'string', 'max:2048'],
            'starts_at' => ['required', 'date'],
            'next_occurrence_at' => ['required', 'date'],
            'repeat_frequency' => ['required', 'in:daily,weekly'],
            'repeat_until' => ['nullable', 'date', 'after_or_equal:next_occurrence_at'],
            'topic' => ['nullable', 'string', 'max:350'],
            'tone' => ['nullable', 'string', 'max:100'],
            'platform_hint' => ['nullable', 'string', 'max:100'],
            'auto_generate_image' => ['nullable', 'in:0,1'],
            'auto_generate_video' => ['nullable', 'in:0,1'],
            'image_prompt' => ['nullable', 'string', 'max:1000'],
            'video_prompt' => ['nullable', 'string', 'max:1000'],
            'repeat_refresh_content' => ['nullable', 'in:0,1'],
            'repeat_refresh_media' => ['nullable', 'in:0,1'],
            'bgm_auto' => ['nullable', 'in:0,1'],
            'bgm_prompt' => ['nullable', 'string', 'max:600'],
            'bgm_duration' => ['nullable', 'integer', 'min:5', 'max:60'],
            'bgm_volume' => ['nullable', 'numeric', 'min:0.05', 'max:1'],
            'brand_label' => ['nullable', 'string', 'max:120'],
            'team_label' => ['nullable', 'string', 'max:120'],
            'approval_mode' => ['nullable', 'in:inherit,manual,auto'],
        ]);

        $validationMessage = $this->validateQueuedPostInput($data);
        if ($validationMessage !== null) {
            return redirect()->route('social.index')
                ->with('social_error', $validationMessage)
                ->withInput();
        }

        $recurringCampaigns->updateCampaign($campaign, $data);

        return redirect()->route('social.index')->with('social_success', 'Recurring campaign berhasil diperbarui.');
    }

    public function pauseRecurringCampaign(
        Request $request,
        SocialRecurringCampaign $campaign,
        SocialRecurringCampaignService $recurringCampaigns
    ): RedirectResponse {
        abort_unless($campaign->user_id === $request->user()->id, 403);

        $recurringCampaigns->pause($campaign);

        return redirect()->route('social.index')->with('social_success', 'Recurring campaign di-pause.');
    }

    public function runRecurringCampaignNow(
        Request $request,
        SocialRecurringCampaign $campaign,
        SocialRecurringCampaignService $recurringCampaigns
    ): RedirectResponse {
        abort_unless($campaign->user_id === $request->user()->id, 403);

        $recurringCampaigns->enqueueCampaignNow($campaign);

        return redirect()->route('social.index')->with('social_success', 'Recurring campaign langsung dibuatkan queue baru.');
    }

    public function resumeRecurringCampaign(
        Request $request,
        SocialRecurringCampaign $campaign,
        SocialRecurringCampaignService $recurringCampaigns
    ): RedirectResponse {
        abort_unless($campaign->user_id === $request->user()->id, 403);

        $recurringCampaigns->resume($campaign);

        return redirect()->route('social.index')->with('social_success', 'Recurring campaign aktif lagi.');
    }

    public function destroyRecurringCampaign(
        Request $request,
        SocialRecurringCampaign $campaign
    ): RedirectResponse {
        abort_unless($campaign->user_id === $request->user()->id, 403);

        $campaign->delete();

        return redirect()->route('social.index')->with('social_success', 'Recurring campaign berhasil dihapus.');
    }

    public function dismissRecurringAlert(
        Request $request,
        SocialRecurringAlert $alert
    ): RedirectResponse {
        abort_unless($alert->user_id === $request->user()->id, 403);

        $alert->update([
            'read_at' => now(),
        ]);

        return redirect()->route('social.index')->with('social_success', 'Recurring alert ditandai selesai.');
    }

    public function dismissAllRecurringAlerts(Request $request): RedirectResponse
    {
        $request->user()->socialRecurringAlerts()
            ->whereNull('read_at')
            ->update([
                'read_at' => now(),
            ]);

        return redirect()->route('social.index')->with('social_success', 'Semua recurring alert sudah dibersihkan.');
    }

    public function approvePost(Request $request, SocialPost $post): RedirectResponse
    {
        abort_unless($post->user_id === $request->user()->id, 403);

        if (! $post->requires_approval) {
            return redirect()->route('social.index')->with('social_error', 'Post ini tidak membutuhkan approval.');
        }

        $post->update([
            'requires_approval' => false,
            'status' => 'scheduled',
            'approved_at' => now(),
            'error_message' => null,
        ]);

        return redirect()->route('social.index')->with('social_success', 'Post sudah di-approve dan masuk antrian scheduled.');
    }

    public function publishNow(
        Request $request,
        SocialPost $post,
        SocialPublisherService $publisher,
        SocialPostMediaPreparationService $mediaPreparation
    ): RedirectResponse {
        abort_unless($post->user_id === $request->user()->id, 403);

        if ($post->status === 'posted') {
            return redirect()->route('social.index')->with('social_error', 'Post ini sudah pernah dipublish.');
        }

        if ($post->requires_approval) {
            return redirect()->route('social.index')->with('social_error', 'Post masih menunggu approval.');
        }

        [$allowed, $limitMessage] = $this->canPublishNow($request->user()->id, $post->platform);
        if (! $allowed) {
            return redirect()->route('social.index')->with('social_error', $limitMessage);
        }

        $credential = $request->user()->socialPlatformCredentials()
            ->where('platform', $post->platform)
            ->first();

        if (! $credential) {
            return redirect()->route('social.index')->with('social_error', 'Credential untuk platform '.$post->platform.' belum diisi.');
        }

        try {
            if ($mediaPreparation->prepareForPublishing($post)) {
                $post->refresh();
            }

            $result = $publisher->publish($post, $credential);

            $currentMeta = is_array($post->meta) ? $post->meta : [];
            $currentMeta['publish_payload'] = $result['payload'] ?? [];

            $post->update([
                'status' => 'posted',
                'posted_at' => now(),
                'approved_at' => $post->approved_at ?? now(),
                'external_post_id' => $result['external_post_id'] ?? null,
                'error_message' => null,
                'meta' => $currentMeta,
                'next_retry_at' => null,
            ]);

            return redirect()->route('social.index')->with('social_success', 'Post berhasil dipublish ke '.$post->platform.'.');
        } catch (\Throwable $e) {
            $post->update([
                'status' => 'failed',
                'attempt_count' => $post->attempt_count + 1,
                'error_message' => $e->getMessage(),
                'next_retry_at' => null,
            ]);

            return redirect()->route('social.index')->with('social_error', $e->getMessage());
        }
    }

    private function saveGeneratedImageAssets(int $userId, array $media): array
    {
        $variants = collect($media['variants'] ?? [])
            ->filter(fn ($item) => is_array($item) && filled($item['url'] ?? null))
            ->values();

        if ($variants->isEmpty() && filled($media['url'] ?? null)) {
            $variants = collect([[
                'url' => (string) $media['url'],
                'thumbnail_url' => (string) ($media['thumbnail_url'] ?? $media['url']),
                'width' => (int) ($media['width'] ?? 1080),
                'height' => (int) ($media['height'] ?? 1920),
            ]]);
        }

        return $variants->map(function (array $variant, int $index) use ($userId, $media) {
            $asset = SocialMediaAsset::query()->create([
                'user_id' => $userId,
                'type' => 'image',
                'provider' => (string) ($media['provider'] ?? 'unknown'),
                'prompt' => (string) ($media['prompt'] ?? ''),
                'url' => (string) $variant['url'],
                'thumbnail_url' => (string) ($variant['thumbnail_url'] ?? $variant['url']),
                'width' => (int) ($variant['width'] ?? $media['width'] ?? 1080),
                'height' => (int) ($variant['height'] ?? $media['height'] ?? 1920),
                'meta' => [
                    'aspect' => $media['aspect'] ?? '9:16',
                    'variant_index' => $index,
                ],
            ]);

            return [
                'id' => $asset->id,
                'type' => 'image',
                'url' => $asset->url,
                'thumbnail_url' => $asset->thumbnail_url,
                'provider' => $asset->provider,
                'prompt' => $asset->prompt,
                'width' => $asset->width,
                'height' => $asset->height,
                'created_at' => optional($asset->created_at)?->toIso8601String(),
            ];
        })->all();
    }

    private function saveGeneratedVideoAsset(int $userId, array $media): array
    {
        if (blank($media['url'] ?? null)) {
            throw new \RuntimeException('Video URL kosong, jadi belum bisa disimpan ke gallery.');
        }

        $asset = SocialMediaAsset::query()->create([
            'user_id' => $userId,
            'type' => 'video',
            'provider' => (string) ($media['provider'] ?? 'unknown'),
            'prompt' => (string) ($media['prompt'] ?? ''),
            'url' => (string) ($media['url'] ?? ''),
            'thumbnail_url' => (string) ($media['source_image_url'] ?? ''),
            'width' => 1080,
            'height' => 1920,
            'duration_seconds' => (int) ($media['duration_seconds'] ?? 0),
            'meta' => [
                'aspect' => $media['aspect'] ?? '9:16',
                'source_image_provider' => $media['source_image_provider'] ?? null,
            ],
        ]);

        return [
            'id' => $asset->id,
            'type' => 'video',
            'url' => $asset->url,
            'thumbnail_url' => $asset->thumbnail_url,
            'provider' => $asset->provider,
            'prompt' => $asset->prompt,
            'duration_seconds' => $asset->duration_seconds,
            'created_at' => optional($asset->created_at)?->toIso8601String(),
        ];
    }

    private function assetPayload(SocialMediaAsset $asset): array
    {
        return [
            'id' => $asset->id,
            'type' => $asset->type,
            'url' => $asset->url,
            'thumbnail_url' => $asset->thumbnail_url ?: $asset->url,
            'provider' => $asset->provider,
            'prompt' => $asset->prompt,
            'width' => $asset->width,
            'height' => $asset->height,
            'duration_seconds' => $asset->duration_seconds,
            'created_at' => optional($asset->created_at)?->toIso8601String(),
        ];
    }

    private function composeGeneratedCaption(array $generated): string
    {
        $caption = trim((string) ($generated['caption'] ?? ''));
        $cta = trim((string) ($generated['cta'] ?? ''));

        if ($caption === '') {
            return $cta;
        }

        if ($cta === '' || str_contains(mb_strtolower($caption), mb_strtolower($cta))) {
            return $caption;
        }

        return trim($caption."\n\n".$cta);
    }

    private function prepareQueuedMedia(
        int $userId,
        array $payload,
        array $generated,
        SocialMediaStudioService $studio
    ): array {
        if (blank($payload['image_url'] ?? null) && ($payload['auto_generate_image'] ?? '0') === '1') {
            $imagePrompt = $this->resolveAutoMediaPrompt(
                $payload['image_prompt'] ?? null,
                $payload,
                $generated,
                'image'
            );
            $imageMedia = $studio->generateImage($imagePrompt);
            $imageAssets = $this->saveGeneratedImageAssets($userId, $imageMedia);
            $payload['image_url'] = $imageAssets[0]['url'] ?? ($imageMedia['url'] ?? null);
        }

        if (blank($payload['video_url'] ?? null) && ($payload['auto_generate_video'] ?? '0') === '1') {
            $videoPrompt = $this->resolveAutoMediaPrompt(
                $payload['video_prompt'] ?? null,
                $payload,
                $generated,
                'video'
            );
            $videoMedia = $studio->generateVideo($videoPrompt);
            $videoAsset = $this->saveGeneratedVideoAsset($userId, $videoMedia);
            $payload['video_url'] = $videoAsset['url'] ?? ($videoMedia['url'] ?? null);
        }

        return $payload;
    }

    private function resolveAutoMediaPrompt(
        ?string $customPrompt,
        array $payload,
        array $generated,
        string $type
    ): string {
        $customPrompt = trim((string) $customPrompt);
        if ($customPrompt !== '') {
            return $customPrompt;
        }

        $title = trim((string) ($payload['title'] ?? $generated['title'] ?? $payload['topic'] ?? ''));
        $caption = trim((string) ($generated['caption'] ?? $payload['caption'] ?? ''));

        if ($type === 'video') {
            return trim($title.'. '.$caption.' Vertical social video 9:16, premium campaign motion, clean branding, engaging movement.');
        }

        return trim($title.'. '.$caption.' Vertical social image 9:16, premium campaign visual, clean branding, modern healthcare technology.');
    }

    private function validateQueuedPostInput(array $data): ?string
    {
        if (filled($data['image_url'] ?? null) && ! $this->isAcceptedMediaUrl((string) $data['image_url'])) {
            return 'Image URL harus http/https atau path /storage/...';
        }

        if (filled($data['video_url'] ?? null) && ! $this->isAcceptedMediaUrl((string) $data['video_url'])) {
            return 'Video URL harus http/https atau path /storage/...';
        }

        if (in_array('instagram', $data['platforms'] ?? [], true) && blank($data['image_url'] ?? null)) {
            return 'Instagram membutuhkan image_url publik sebelum post bisa dibuat.';
        }

        if (in_array('tiktok', $data['platforms'] ?? [], true) && blank($data['video_url'] ?? null)) {
            return 'TikTok membutuhkan video_url publik sebelum post bisa dibuat.';
        }

        return null;
    }

    private function queuePosts($user, array $data, array $extraAttributes = []): void
    {
        $hashtags = $this->normalizeHashtags($data['hashtags'] ?? []);
        $setting = $this->settingFor($user->id);
        $scheduledAt = Carbon::parse($data['scheduled_at']);
        $bgmMeta = $this->buildBgmMeta($data);
        $campaignApprovalMode = $this->resolveRecurringApprovalMode($data, $setting->approval_mode);
        $recurringContext = [
            'brand_label' => $this->normalizeLaneLabel($data['brand_label'] ?? null),
            'team_label' => $this->normalizeLaneLabel($data['team_label'] ?? null),
            'approval_mode' => $campaignApprovalMode,
        ];

        foreach ($data['platforms'] as $platform) {
            $requiresApproval = ($data['status'] === 'scheduled') && ($campaignApprovalMode === 'manual');
            $status = $requiresApproval ? 'draft' : $data['status'];

            $user->socialPosts()->create(array_merge([
                'platform' => $platform,
                'status' => $status,
                'requires_approval' => $requiresApproval,
                'title' => $data['title'] ?? null,
                'caption' => $data['caption'],
                'hashtags' => $hashtags,
                'image_url' => $data['image_url'] ?? null,
                'video_url' => $data['video_url'] ?? null,
                'scheduled_at' => $scheduledAt,
                'approved_at' => $requiresApproval ? null : now(),
                'meta' => [
                    'bgm' => $bgmMeta,
                    'recurring_context' => $recurringContext,
                ],
            ], $extraAttributes));
        }
    }

    private function normalizeHashtags(array|string|null $hashtags): array
    {
        $items = is_array($hashtags)
            ? $hashtags
            : explode(',', (string) $hashtags);

        return collect($items)
            ->map(fn ($item) => trim((string) $item))
            ->filter()
            ->map(fn ($item) => ltrim($item, '#'))
            ->values()
            ->all();
    }

    private function buildBgmMeta(array $data): array
    {
        return [
            'enabled' => ($data['bgm_auto'] ?? '1') === '1',
            'provider' => 'freepik',
            'prompt' => trim((string) ($data['bgm_prompt'] ?? '')),
            'duration' => (int) ($data['bgm_duration'] ?? 15),
            'volume' => (float) ($data['bgm_volume'] ?? 0.24),
            'applied' => false,
        ];
    }

    private function resolveRecurringApprovalMode(array $data, string $defaultApprovalMode): string
    {
        $campaignMode = $this->normalizeApprovalMode($data['approval_mode'] ?? null);
        $repeatFrequency = (string) ($data['repeat_frequency'] ?? 'none');

        if (! in_array($repeatFrequency, ['daily', 'weekly'], true)) {
            return $defaultApprovalMode;
        }

        return $campaignMode === 'inherit'
            ? $defaultApprovalMode
            : $campaignMode;
    }

    private function normalizeApprovalMode(?string $approvalMode): string
    {
        $approvalMode = trim((string) $approvalMode);

        return in_array($approvalMode, ['inherit', 'manual', 'auto'], true)
            ? $approvalMode
            : 'inherit';
    }

    private function normalizeLaneLabel(?string $value): ?string
    {
        $value = trim((string) $value);

        return $value !== '' ? Str::limit($value, 120, '') : null;
    }

    private function isAcceptedMediaUrl(string $url): bool
    {
        $url = trim($url);

        if ($url === '') {
            return false;
        }

        if (Str::startsWith($url, '/storage/')) {
            return true;
        }

        return (bool) filter_var($url, FILTER_VALIDATE_URL);
    }

    private function settingFor(int $userId): SocialAutomationSetting
    {
        return SocialAutomationSetting::query()->firstOrCreate(
            ['user_id' => $userId],
            [
                'approval_mode' => 'manual',
                'daily_limit' => 20,
                'platform_daily_limits' => [
                    'facebook' => 8,
                    'instagram' => 8,
                    'tiktok' => 4,
                    'x' => 12,
                ],
                'max_retries' => 2,
                'retry_delay_minutes' => 15,
            ]
        );
    }

    private function canPublishNow(int $userId, string $platform): array
    {
        $setting = $this->settingFor($userId);

        $today = now()->toDateString();
        $postedToday = SocialPost::query()
            ->where('user_id', $userId)
            ->where('status', 'posted')
            ->whereDate('posted_at', $today)
            ->count();

        if ($postedToday >= $setting->daily_limit) {
            return [false, 'Batas harian total post sudah tercapai.'];
        }

        $platformLimits = $setting->platform_daily_limits ?? [];
        $platformLimit = (int) ($platformLimits[$platform] ?? 0);

        if ($platformLimit > 0) {
            $postedPerPlatform = SocialPost::query()
                ->where('user_id', $userId)
                ->where('platform', $platform)
                ->where('status', 'posted')
                ->whereDate('posted_at', $today)
                ->count();

            if ($postedPerPlatform >= $platformLimit) {
                return [false, 'Batas harian platform '.$platform.' sudah tercapai.'];
            }
        }

        return [true, null];
    }

    private function platforms(): array
    {
        return [
            'facebook' => 'Facebook Page',
            'instagram' => 'Instagram Business',
            'tiktok' => 'TikTok',
            'x' => 'X / Twitter',
        ];
    }
}