<?php
namespace ProVM\Common\Service;

use \Model;

class Database {
    protected $settings;
    public function __construct($settings) {
        $this->settings = $settings;
    }
    public function load() {
        foreach ($this->settings->databases as $name => $settings) {
            $engine = $this->getEngine($settings);
            $configs = ['connection_string' => $engine->dsn()];
            if ($engine->hasLogin()) {
                $configs['username'] = $settings->user->name;
                $configs['password'] = $settings->user->password;
            }
            Model::configure($configs, null, $name);
        }
        if (isset($this->settings->short_names)) {
            Model::$short_table_names = $this->settings->short_names;
        }
    }
    protected function getEngine($settings): \ProVM\Common\Define\Engine {
        $name = match($settings->engine) {
            'mysql' => 'MySQL'
        };
        $class = implode("\\", [
            'ProVM',
            'Database',
            $name
        ]);
        return new $class($settings->host->name, $settings->name, $settings->host->port ?? null);
    }
}