<?php

use Spatie\LaravelSettings\Migrations\SettingsMigration;
use Illuminate\Support\Facades\DB;

class CreateServerSettings extends SettingsMigration
{
    public function up(): void
    {
        $table_exists = DB::table('settings_old')->exists();

        // Get the user-set configuration values from the old table.
        $this->migrator->add('server.allocation_limit', $table_exists ? $this->getOldValue('SETTINGS::SERVER:ALLOCATION_LIMIT'): 200);
        $this->migrator->add('server.creation_enabled', $table_exists ? $this->getOldValue('SETTINGS::SYSTEM:CREATION_OF_NEW_SERVERS'): true);
        $this->migrator->add('server.enable_upgrade', $table_exists ? $this->getOldValue('SETTINGS::SYSTEM:ENABLE_UPGRADE'): false);
        $this->migrator->add('server.charge_first_hour', $table_exists ? $this->getOldValue('SETTINGS::SYSTEM:SERVER_CREATE_CHARGE_FIRST_HOUR'): false);
    }

    public function getOldValue(string $key)
    {
        // Always get the first value of the key.
        $old_value = DB::table('settings_old')->where('key', '=', $key)->get(['value', 'type'])->first();

        // Handle the old values to return without it being a string in all cases.
        if ($old_value->type === "string" || $old_value->type === "text") {
            if (is_null($old_value->value)) {
                return '';
            }

            // Some values have the type string, but their values are boolean.
            if ($old_value->value === "false" || $old_value->value === "true") {
                return filter_var($old_value->value, FILTER_VALIDATE_BOOL);
            }

            return $old_value->value;
        }

        if ($old_value->type === "boolean") {
            return filter_var($old_value->value, FILTER_VALIDATE_BOOL);
        }

        return filter_var($old_value->value, FILTER_VALIDATE_INT);
    }
}