#!/usr/bin/python2.4

import os
import os.path
from config.Common import settings
from controller.Database import Database
from model.Notebook import Notebook
from model.Note import Note
from model.User import User
from tools.initdb import fix_note_contents


class Updater( object ):
  HTML_PATH = u"static/html"
  NOTE_FILES = [ # the second element of the tuple is whether to show the note on startup
    ( u"about.html", True ),
    ( u"features.html", True ),
    ( u"sign up.html", False ),
    ( u"faq.html", False ),
    ( u"meet the team.html", False ),
    ( u"contact info.html", False ),
    ( u"login.html", False ),
    ( u"download.html", False ),
    ( u"password reset.html", False ),
    ( u"advanced browser features.html", False ),
    ( u"supported browsers.html", False ),
  ]

  def __init__( self, database, navigation_note_id = None ):
    self.database = database
    self.navigation_note_id = navigation_note_id

    self.update_main_notebook()
    self.database.commit()

  def update_main_notebook( self ):
    anonymous = self.database.select_one( User, User.sql_load_by_username( u"anonymous" ) )
    main_notebook = self.database.select_one( Notebook, anonymous.sql_load_notebooks() )

    # get the id for each note
    note_ids = {}
    for ( filename, startup ) in self.NOTE_FILES:
      title = filename.replace( u".html", u"" )
      note = self.database.select_one( Note, main_notebook.sql_load_note_by_title( title ) )

      if note is not None:
        note_ids[ filename ] = note.object_id

    # update the navigation note if its id was given
    if self.navigation_note_id:
      note = self.database.load( Note, self.navigation_note_id )
      self.update_note( "navigation.html", True, main_notebook, note_ids, note )

    # update all of the notes in the main notebook
    for ( filename, startup ) in self.NOTE_FILES:
      title = filename.replace( u".html", u"" )
      note = self.database.select_one( Note, main_notebook.sql_load_note_by_title( title ) )
      self.update_note( filename, startup, main_notebook, note_ids, note )

    if main_notebook.name != u"Luminotes":
      main_notebook.name = u"Luminotes"
      self.database.save( main_notebook, commit = False )

  def update_note( self, filename, startup, main_notebook, note_ids, note = None ):
    full_filename = os.path.join( self.HTML_PATH, filename )
    contents = fix_note_contents( file( full_filename ).read(), main_notebook.object_id, note_ids )

    if note:
      if note.contents == contents:
        return
      note.contents = contents
    # if for some reason the note isn't present, create it
    else:
      next_id = self.database.next_id( Note )
      note = Note.create( next_id, contents, notebook_id = main_notebook.object_id, startup = startup )

    self.database.save( note, commit = False )

def main( args ):
  database = Database()
  initializer = Updater( database, args and args[ 0 ] or None )


if __name__ == "__main__":
  import sys
  main( sys.argv[ 1: ] )