module Everdone

# File lib/everdone.rb, line 25
def self.get_notebook_from_project(project)
    notebook = @@config.todoist_evernote_map[project]  # It is possible the project is in the map but the value is nil.  This means: don't add items from this project to Evernote
    if not @@config.todoist_evernote_map.has_key?(project)  # If the project is not in the map at all then put it in the default notebook
        notebook = @@config.default_notebook
    end
    return notebook
end

# File lib/everdone.rb, line 19
def self.init
    @@config = Config.new(File.expand_path("../everdone/default_config.json", __FILE__), "#{Dir.home}/.everdone")
    @@evernote = Evernote.new(@@config)
    @@todoist = Todoist.new(@@config)
end

# File lib/everdone.rb, line 33
def self.sync
    self.init
    
    sync = Sync.new(@@config, @@todoist)

    items = @@todoist.get_completed_items()
    puts "INFO: Returned #{items.length} items"
    processed = []  # list of Todoist item ids that were processed
    found = []  # list of Todoist item ids not in the already processed list but subsequently found in Evernote
    excluded = [] # a list of Todoist item ids that were not added because they belong to a project that is blacklisted
    items.each { |item|
        if not sync.is_already_processed(item.id)
            # Map the project to an Evernote notebook
            notebook = get_notebook_from_project(item.projects[0])
            find_count = @@evernote.find_note_counts("#{@@config.todoist_content_tag}#{item.id}", notebook) if notebook
            if notebook.nil?
                excluded.push(item.id)  # project did not map to any notebook => don't add to Evernote
            elsif find_count > 0
                found.push(item.id)  # Todoist item already in Evernote => don't add
            else  # not already processed nor in an ignored project nor was it found in Evernote.  Make a new one!
                # Create the note's content
                content = EnmlFormatter.new(@@config)
                content.text("Project: ").link(item.projects[0], item.get_project_url(0))
                if item.labels.length > 0
                    content.space.space.space.space
                    content.text("Labels: ")
                    item.labels.each { |label| 
                        content.link(label, item.get_label_url(label)).space 
                    }
                end
                content.space.space.space.text("#{@@config.todoist_content_tag}#{item.id}")
                item.notes.each { |note|  
                    content.h3("Note created #{content.datetime_to_string(note.created, @@config.todoist_datetime_format)}   [Todoist note id: #{note.id}]")
                    content.rawtext(note.content)
                }

                # Create the note in Evernote
                @@evernote.create_note(item.title, 
                    content.to_s, 
                    notebook,
                    Evernote.convert_text_to_timestamp(item.created, @@config.todoist_datetime_format))
            end
            processed.push(item.id)  # whether item was added to Evernote or not don't process it again.
        end
    }

    # Finish up by doing the syncing bookwork
    sync.close(processed)

    puts "INFO: Done! Of #{items.length} found..."
    puts "  #{processed.length - (found.length+excluded.length)} added to Evernote"
    puts "  #{found.length} were already in Evernote" if found.length > 0
    puts "  #{excluded.length} were not added as they are in blacklisted Todoist projects" if excluded.length > 0
    puts "  All time total processed now #{sync.get_processed_total()}"
end