(* COCANWIKI - a wiki written in Objective CAML.
 * Written by Richard W.M. Jones <rich@merjis.com>.
 * Copyright (C) 2004 Merjis Ltd.
 * $Id: cocanwiki_create_host.ml,v 1.1 2004/10/06 10:34:29 rich Exp $
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 2 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; see the file COPYING.  If not, write to
 * the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
 * Boston, MA 02111-1307, USA.
 *)

open Apache
open Registry
open Cgi
open Printf

let create_host dbh canonical_hostname hostnames template
    title username password force_password_change =
  let sth =
    dbh#prepare_cached "set constraints hosts_hostname_cn deferred" in
  sth#execute [];
  let sth = dbh#prepare_cached "insert into hosts (canonical_hostname)
                                  values (?)" in
  sth#execute [`String canonical_hostname];

  let hostid = sth#serial "hosts_id_seq" in

  let sth = dbh#prepare_cached "insert into hostnames (hostid, name)
                                  values (?, ?)" in
  sth#execute [`Int hostid; `String canonical_hostname];
  List.iter (fun name ->
	       sth#execute [`Int hostid; `String name]) hostnames;

  (* Are we creating a blank site or copying a template? *)
  if template = 0 then (
    (* Blank site. *)
    let sth = dbh#prepare_cached "insert into pages (hostid, url, title,
                                  description) values (?, 'index', ?, ?)" in
    sth#execute [`Int hostid; `String title; `String title];

  ) else (
    (* Copy from template. *)

    (*dbh#set_debug true;*)

    let sth = dbh#prepare_cached "select * from hosts where id = ?" in
    sth#execute [`Int template];

    let names = sth#names in
    let row = sth#fetch1 () in
    sth#finish ();

    List.iter
      (fun (name, field) ->
	 if name <> "id" && name <> "canonical_hostname" &&
	   name <> "is_template" then (
	     let sql = "update hosts set " ^ name ^ " = ? where id = ?" in
	     let sth = dbh#prepare_cached sql in
	     sth#execute [field; `Int hostid]
	   )
      ) (List.combine names row);

    (* Copy pages. *)
    let sth =
      dbh#prepare_cached
	"insert into pages (hostid, url, title, description, redirect, css)
         select ?, url, title, description, redirect, css
           from pages
          where hostid = ? and url is not null" in
    sth#execute [`Int hostid; `Int template];

    (* Copy page contents. *)
    let sth =
      dbh#prepare_cached
	"insert into contents (pageid, ordering, sectionname, content,
                               divname)
         select (select id from pages where hostid = ? and url = p.url),
                c.ordering, c.sectionname, c.content, c.divname
           from contents c, pages p
          where c.pageid = p.id and p.hostid = ? and p.url is not null" in
    sth#execute [`Int hostid; `Int template];

    (* Copy files and images. *)
    let sth =
      dbh#prepare_cached
	"insert into files (hostid, name, content, title, mime_type)
         select ?, name, content, title, mime_type
           from files
          where hostid = ? and name is not null" in
    sth#execute [`Int hostid; `Int template];

    let sth =
      dbh#prepare_cached
	"insert into images (hostid, name, image, width, height, alt, title,
                             longdesc, class, mime_type, thumbnail,
                             tn_width, tn_height, tn_mime_type)
         select ?, name, image, width, height, alt, title, longdesc, class,
                mime_type, thumbnail, tn_width, tn_height, tn_mime_type
           from images
          where hostid = ? and name is not null" in
    sth#execute [`Int hostid; `Int template];

    (* Copy sitemenu. *)
    let sth =
      dbh#prepare_cached
	"insert into sitemenu (hostid, url, label, ordering)
         select ?, url, label, ordering from sitemenu where hostid = ?" in
    sth#execute [`Int hostid; `Int template];

    (* Copy contacts. *)
    let sth =
      dbh#prepare_cached
	"insert into contacts (hostid, name, subject)
         select ?, name, subject from contacts where hostid = ?" in
    sth#execute [`Int hostid; `Int template];

    let sth =
      dbh#prepare_cached
	"insert into contact_emails (contactid, email)
         select (select id from contacts
                  where hostid = ? and name = c.name), ce.email
           from contact_emails ce, contacts c
          where ce.contactid = c.id and c.hostid = ?" in
    sth#execute [`Int hostid; `Int template];

    (* Set the title of the index page. *)
    let sth = dbh#prepare_cached "update pages set title = ?
                                   where hostid = ? and url = 'index'" in
    sth#execute [`String title; `Int hostid]
  );

  (* Create the administrator user. *)
  let sth = dbh#prepare_cached "insert into users (hostid, name, password,
                                force_password_change, can_manage_users)
                                values (?, ?, ?, ?,
                                true)" in
  sth#execute [`Int hostid; `String username; `String password;
	       `Bool force_password_change];

  hostid