<?php

use Illuminate\Database\Migrations\Migration;
use Illuminate\Database\Schema\Blueprint;
use Illuminate\Support\Facades\Schema;

return new class extends Migration
{
    /**
     * Allowed reaction slugs → emoji mapping (authoritative list lives in ReactionType).
     * Stored as VARCHAR to avoid MySQL ENUM emoji encoding issues.
     */
    public function up(): void
    {
        Schema::create('artwork_reactions', function (Blueprint $table) {
            $table->id();
            $table->unsignedBigInteger('artwork_id');
            $table->unsignedBigInteger('user_id');
            // slug: thumbs_up | heart | fire | laugh | clap | wow
            $table->string('reaction', 20);
            $table->timestamp('created_at')->useCurrent();

            $table->unique(['artwork_id', 'user_id', 'reaction'], 'artwork_reactions_unique');
            $table->index('artwork_id');
            $table->index('user_id');

            $table->foreign('artwork_id')->references('id')->on('artworks')->onDelete('cascade');
            $table->foreign('user_id')->references('id')->on('users')->onDelete('cascade');
        });

        Schema::create('comment_reactions', function (Blueprint $table) {
            $table->id();
            $table->unsignedBigInteger('comment_id');
            $table->unsignedBigInteger('user_id');
            // slug: thumbs_up | heart | fire | laugh | clap | wow
            $table->string('reaction', 20);
            $table->timestamp('created_at')->useCurrent();

            $table->unique(['comment_id', 'user_id', 'reaction'], 'comment_reactions_unique');
            $table->index('comment_id');
            $table->index('user_id');

            $table->foreign('comment_id')->references('id')->on('artwork_comments')->onDelete('cascade');
            $table->foreign('user_id')->references('id')->on('users')->onDelete('cascade');
        });
    }

    public function down(): void
    {
        Schema::dropIfExists('comment_reactions');
        Schema::dropIfExists('artwork_reactions');
    }
};