<?php

namespace App\Helpers\FirstParty\Maintenance;

use App\Helpers\FirstParty\AI\CloudflareAI;
use App\Models\Category;
use App\Models\KeywordEmbedding;
use App\Models\MemeMedia;
use App\Models\MemeMediaEmbedding;
use Exception;

class KeywordEmbeddingMaintenance
{
    public static function populateEmbeddings()
    {
        self::populateMemeMediasKeywordsEmbeddings();
    }

    public static function populateCategoryEmbeddings()
    {
        $categories = Category::whereNotNull('embedding')->get();

        foreach ($categories as $category) {

            $embedding_query = $category->name.' '.$category->description;

            $keyword_embedding = KeywordEmbedding::where('keyword', $embedding_query)->first();

            if (is_null($keyword_embedding)) {
                KeywordEmbedding::create([
                    'keyword' => $embedding_query,
                    'embedding' => $category->embedding,
                    'tag' => 'category',
                ]);
            }
        }
    }

    public static function populateCategoryKeywordEmbeddings()
    {
        $categories = Category::whereNotNull('keywords')->get();

        foreach ($categories as $key => $category) {
            foreach ($category->keywords as $keyword) {

                dump("Populating keyword embedding for {$keyword}");

                $embedding = null;
                $max_retries = 3;
                $current_attempt = 0;

                while ($embedding === null && $current_attempt < $max_retries) {
                    try {
                        $current_attempt++;
                        $embedding = CloudflareAI::getVectorEmbeddingBgeSmall($keyword);
                    } catch (Exception $e) {
                        $embedding = null;
                    }
                }
            }
        }
    }

    public static function populateMemeMediasKeywordsEmbeddings()
    {
        $meme_medias = MemeMedia::whereNotNull('keywords')->get();

        $max = $meme_medias->count();

        foreach ($meme_medias as $key => $meme_media) {

            $count = $key + 1;

            dump("{Processing: {$count}/{$max}: {$meme_media->name}");

            // keywords:
            foreach ($meme_media->keywords as $keyword) {

                dump("Populating keyword embedding for {$keyword}");

                $embedding = self::fetchAndCacheEmbedding($keyword);

                if ($embedding) {
                    MemeMediaEmbedding::create([
                        'meme_media_id' => $meme_media->id,
                        'keyword' => $keyword,
                        'embedding' => $embedding,
                        'tag' => 'keywords',
                    ]);
                }
            }

            // action_keywords:
            foreach ($meme_media->action_keywords as $keyword) {
                dump("Populating action keyword embedding for {$keyword}");
                $embedding = self::fetchAndCacheEmbedding($keyword);

                if ($embedding) {
                    MemeMediaEmbedding::create([
                        'meme_media_id' => $meme_media->id,
                        'keyword' => $keyword,
                        'embedding' => $embedding,
                        'tag' => 'action_keywords',
                    ]);
                }
            }

            // emotion_keywords:
            foreach ($meme_media->emotion_keywords as $keyword) {
                dump("Populating emotion keyword embedding for {$keyword}");
                $embedding = self::fetchAndCacheEmbedding($keyword);

                if ($embedding) {
                    MemeMediaEmbedding::create([
                        'meme_media_id' => $meme_media->id,
                        'keyword' => $keyword,
                        'embedding' => $embedding,
                        'tag' => 'emotion_keywords',
                    ]);
                }
            }

            // misc_keywords:
            foreach ($meme_media->misc_keywords as $keyword) {
                dump("Populating misc keyword embedding for {$keyword}");
                $embedding = self::fetchAndCacheEmbedding($keyword);

                if ($embedding) {
                    MemeMediaEmbedding::create([
                        'meme_media_id' => $meme_media->id,
                        'keyword' => $keyword,
                        'embedding' => $embedding,
                        'tag' => 'misc_keywords',
                    ]);
                }
            }

            dump("✓ Successfully processed meme media {$meme_media->id}");
            dump('');
            dump('');
        }
    }

    public static function populateMemeMediaEmbeddings()
    {
        $meme_medias = MemeMedia::whereNotNull('embedding')->get();

        foreach ($meme_medias as $meme_media) {
            $embedding_query = $meme_media->name.' '.$meme_media->description;

            $keyword_embedding = KeywordEmbedding::where('keyword', $embedding_query)->first();

            if (is_null($keyword_embedding)) {
                KeywordEmbedding::create([
                    'keyword' => $embedding_query,
                    'embedding' => $meme_media->embedding,
                    'tag' => 'meme_media',
                ]);
            }
        }
    }

    private static function fetchAndCacheEmbedding($keyword)
    {
        $embedding = null;
        $max_retries = 3;
        $current_attempt = 0;

        while ($embedding === null && $current_attempt < $max_retries) {
            $current_attempt++;
            try {
                $embedding = CloudflareAI::getVectorEmbeddingBgeSmall($keyword);
            } catch (Exception $e) {
            }
        }

        return $embedding;
    }
}