<?php

  class mw_install_index extends mw_controller{

    var $config_file;

    function validate(){
      $env = $this->env();
      $this->config_file = $env->path("content")."config/config.php";
      if(file_exists($this->config_file)) return "le site est deja installé";
      return true;
    }

    function index(){
      $env = $this->env();
      $data = $env->data();
      $admin = array(
        "login" => "",
        "email" => "",
        "password" => ""
      );
      if(($sgbds = $data->sgbds()) === false){
        $env->erreur("impossible de lister les sgbds disponibles");
        return;
      }
      $table_prefix = isset($_POST["table_prefix"]) ? $_POST["table_prefix"] : "mw_";
      $env->add_table_prefix(
        array(
          "#--" => $table_prefix
        )
      );
      $current_sgbd = isset($sgbds["mw_pdo_sqlite"]) ? "mw_pdo_sqlite" : "mw_xml";
      if($_POST){
        if(!isset($_POST["sgbd"])){
          $env->erreur("Parametre de SGBD manquant");
          return;
        }
        $current_sgbd = $_POST["sgbd"];
        $SGBD_FOUND = false;
        foreach($sgbds as $class_name => $sgbd){
          if($current_sgbd == $class_name){
            $SGBD_FOUND = true;
            break;
          }
        }
        if(!$SGBD_FOUND){
          $env->erreur("SGBD inconnu: ".$current_sgbd);
          return;
        }
        if(!file_exists($template_file = $env->path("content")."config/templates/".$current_sgbd.".php")){
          $env->erreur("le fichier de template pour la configuration avec ".$current_sgbd." n'existe pas");
          return;
        }
        $params = array(
          "host" => isset($_POST[$current_sgbd."_host"]) ? $_POST[$current_sgbd."_host"] : "",
          "base" => isset($_POST[$current_sgbd."_base"]) ? $_POST[$current_sgbd."_base"] : "",
          "user" => isset($_POST[$current_sgbd."_user"]) ? $_POST[$current_sgbd."_user"] : "",
          "password" => isset($_POST[$current_sgbd."_password"]) ? $_POST[$current_sgbd."_password"] : ""
        );
        $sgbds[$current_sgbd]->user = $params["user"];
        $admin = array(
          "login" => trim($_POST["admin_login"]),
          "email" => trim($_POST["admin_email"]),
          "password" => $_POST["admin_password"]
        );
        if(!$admin["login"]){
          $env->message("merci de choisir un login pour l'administrateur");
        }
        if(!$admin["email"]){
          $env->message("merci de préciser l'email de l'administrateur");
        }
        if($admin["password"]){
          if($admin["password"] != $_POST["admin_password_confirm"]){
            $env->message("la confirmation du mot de passe est incorrecte");
          }
        }
        else $env->message("merci de choisir un mot de passe pour l'administrateur");
        if(!$env->messages()){
          $sgbds[$current_sgbd] = null;
          $impl = new $current_sgbd($params);
          $sgbds[$current_sgbd] = $impl;
          $data->set_sgbd(
            new mw_sgbd(
              $sgbds[$current_sgbd],
              $env
            )
          );
          $data->load_modules($env->path("mw_dir")."app/", "data/modules/".($current_sgbd == "mw_xml" ? "xml" : "sql")."/");
          if(
                $current_sgbd == "mw_xml"
          ){
            if(($res = $data->install_xml($params)) !== true){
              $env->message($res);
            }
          }
          elseif(
                $current_sgbd == "mw_mysql"
            ||  $current_sgbd == "mw_pdo_mysql"
          ){
            if(($res = $data->install_sql($params)) !== true){
              $env->message($res);
            }
          }
          elseif(
                $current_sgbd == "mw_pdo_sqlite"
          ){
            if(($res = $data->install_sqlite($params)) !== true){
              $env->message($res);
            }
          }
        }
        if(!$env->messages()){
          if(($roles = $data->init_roles()) === false){
            $env->erreur("la base de données a été installée mais impossible de lire la liste des roles");
            return;
          }
          $admin_roles = array();
          foreach($roles as $id_role => $role){
            if(
                  ($role["nom"] == "admin")
              ||  ($role["nom"] == "membre")
              ||  ($role["nom"] == "webmaster")
            ){
              $admin_roles[] = $id_role;
            }
          }
          if(!$data->add_user($admin["login"], md5($admin["password"]), $admin["email"], $admin_roles)){
            $env->erreur("la base de données a été installée mais impossible d'ajouter l'administrateur");
            return;
          }
        }
        if(!$env->messages()){
          if(!$content = @file_get_contents($template_file)){
            $env->erreur("impossible de lire le fichier de template pour la configuration avec ".$current_sgbd);
            return;
          }
          if(
            @file_put_contents(
              $this->config_file,
              str_replace(
                array(
                  "[bdd_host]",
                  "[bdd_base]",
                  "[bdd_prefix]",
                  "[bdd_user]",
                  "[bdd_password]"
                ),
                array(
                  $params["host"],
                  $params["base"],
                  $table_prefix,
                  $params["user"],
                  $params["password"]
                ),
                $content
              )
            ) === false
          ){
            $env->erreur("impossible de créer le fichier de configuration");
            return;
          }
          $env->redirect(
            $env->url(),
            "le site a été installé"
          );
        }
      }
      $env->set_out("sgbds", $sgbds);
      $env->set_out("current_sgbd", $current_sgbd);
      $env->set_out("table_prefix", $table_prefix);
      $env->set_out("admin", $admin);
    }

  }

?>