<?php

namespace App\Http\Controllers;

use App\Models\Scene;
use App\Models\UserSceneSetting;
use Illuminate\Http\Request;
use Illuminate\Support\Facades\Storage;

class SceneController extends Controller
{
    // CONSOLIDATED: everything the scene-settings screen needs in one call.
    public function settings()
    {
        $settings = UserSceneSetting::with('activeScene.theme')
            ->firstOrNew(['user_id' => auth()->id()]);

        return response()->json([
            'scenes' => Scene::with('theme')->where('is_active', true)->orderBy('order')->get(),
            'settings' => [
                'active_scene_id' => $settings->active_scene_id,
                'active_scene' => $settings->activeScene,
                'scene_volume' => $settings->scene_volume ?? 100,
                'background_play_seconds' => $settings->background_play_seconds ?? 0,
                'video_enabled' => (bool) ($settings->video_enabled ?? false),
            ],
        ]);
    }

    // Persist the current user's scene preferences.
    public function updateSettings(Request $request)
    {
        $data = $request->validate([
            'active_scene_id' => 'nullable|exists:scenes,id',
            'scene_volume' => 'nullable|integer|min:0|max:100',
            'background_play_seconds' => 'nullable|integer|min:0',
            'video_enabled' => 'nullable|boolean',
        ]);

        $settings = UserSceneSetting::firstOrNew(['user_id' => auth()->id()]);

        foreach (['active_scene_id', 'scene_volume', 'background_play_seconds', 'video_enabled'] as $field) {
            if ($request->has($field)) {
                $settings->$field = $data[$field] ?? ($field === 'video_enabled' ? false : null);
            }
        }

        $settings->save();

        return response()->json([
            'message' => 'Settings saved successfully',
            'settings' => $settings->load('activeScene'),
        ]);
    }

    public function index(Request $request)
    {
        $query = Scene::query()->with('theme');

        if (!$request->boolean('include_inactive')) {
            $query->where('is_active', true);
        }

        return response()->json($query->orderBy('order')->get());
    }

    public function show($id)
    {
        return response()->json(Scene::with('theme')->findOrFail($id));
    }

    // CREATE a scene with its image / video / sound uploads.
    public function store(Request $request)
    {
        $data = $request->validate([
            'name' => 'required|string|max:255',
            'theme_id' => 'nullable|exists:themes,id',
            'order' => 'nullable|integer',
            'is_active' => 'nullable|boolean',
            'image' => 'nullable|file|extensions:jpg,jpeg,png,gif,webp,bmp,svg|max:8192',
            'video' => 'nullable|mimes:mp4,mov,webm|max:512000',
            'sound' => 'nullable|mimes:mp3,wav,ogg,flac|max:51200',
        ]);

        $scene = Scene::create([
            'name' => $data['name'],
            'theme_id' => $data['theme_id'] ?? null,
            'order' => $data['order'] ?? 0,
            'is_active' => $data['is_active'] ?? true,
            'image_path' => $request->hasFile('image') ? $request->file('image')->store('scenes/images', 'public') : null,
            'video_path' => $request->hasFile('video') ? $request->file('video')->store('scenes/videos', 'public') : null,
            'sound_path' => $request->hasFile('sound') ? $request->file('sound')->store('scenes/sounds', 'public') : null,
        ]);

        return response()->json([
            'message' => 'Scene created successfully',
            'scene' => $scene->load('theme'),
        ], 201);
    }

    // UPDATE a scene; any uploaded file replaces the old one (POST for multipart support).
    public function update(Request $request, $id)
    {
        $scene = Scene::findOrFail($id);

        $data = $request->validate([
            'name' => 'sometimes|string|max:255',
            'theme_id' => 'nullable|exists:themes,id',
            'order' => 'nullable|integer',
            'is_active' => 'nullable|boolean',
            'image' => 'nullable|file|extensions:jpg,jpeg,png,gif,webp,bmp,svg|max:8192',
            'video' => 'nullable|mimes:mp4,mov,webm|max:512000',
            'sound' => 'nullable|mimes:mp3,wav,ogg,flac|max:51200',
        ]);

        if (array_key_exists('name', $data)) {
            $scene->name = $data['name'];
        }
        if (array_key_exists('theme_id', $data)) {
            $scene->theme_id = $data['theme_id'];
        }
        if (array_key_exists('order', $data)) {
            $scene->order = $data['order'];
        }
        if (array_key_exists('is_active', $data)) {
            $scene->is_active = $data['is_active'];
        }

        foreach (['image' => 'scenes/images', 'video' => 'scenes/videos', 'sound' => 'scenes/sounds'] as $field => $folder) {
            if ($request->hasFile($field)) {
                $column = $field === 'image' ? 'image_path' : ($field === 'video' ? 'video_path' : 'sound_path');
                if ($scene->$column) {
                    Storage::disk('public')->delete($scene->$column);
                }
                $scene->$column = $request->file($field)->store($folder, 'public');
            }
        }

        $scene->save();

        return response()->json([
            'message' => 'Scene updated successfully',
            'scene' => $scene->load('theme'),
        ]);
    }

    public function destroy($id)
    {
        $scene = Scene::findOrFail($id);

        foreach (['image_path', 'video_path', 'sound_path'] as $column) {
            if ($scene->$column) {
                Storage::disk('public')->delete($scene->$column);
            }
        }

        $scene->delete();

        return response()->json(['message' => 'Scene deleted successfully']);
    }
}