<?php

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

return new class extends Migration
{
    public function up(): void
    {
        Schema::create('trackers', function (Blueprint $table) {
            $table->id();
            $table->foreignId('user_id')->constrained()->cascadeOnDelete();
            $table->foreignId('asset_id')->nullable()->constrained()->nullOnDelete();
            $table->string('label');
            $table->string('unit');
            $table->boolean('price_tracking_enabled')->default(false);
            $table->timestamps();
        });

        // Migrate existing users: create one tracker per user from their current asset_id + price_tracking_enabled
        DB::table('users')->orderBy('id')->each(function (object $user) {
            DB::table('trackers')->insert([
                'user_id' => $user->id,
                'asset_id' => $user->asset_id,
                'label' => 'Portfolio',
                'unit' => 'shares',
                'price_tracking_enabled' => $user->price_tracking_enabled ?? false,
                'created_at' => now(),
                'updated_at' => now(),
            ]);
        });
    }

    public function down(): void
    {
        // Restore asset_id and price_tracking_enabled back onto users before dropping trackers
        DB::table('trackers')->orderBy('id')->each(function (object $tracker) {
            DB::table('users')
                ->where('id', $tracker->user_id)
                ->update([
                    'asset_id' => $tracker->asset_id,
                    'price_tracking_enabled' => $tracker->price_tracking_enabled,
                ]);
        });

        Schema::dropIfExists('trackers');
    }
};