#! /usr/bin/ruby1.8
require 'libisi'
init_libisi(:ui => "console")

action = nil
before_date = nil
dryrun = false
dirty = false

cf = Pathname.new(__FILE__).dirname + "../conf/prisma/environment.rb"
if cf.exist?
  require cf 
else
  require "/etc/prisma/environment.rb"
end

before_date = $delete_logs_before.strftime("%F")

opts = optparse {|o|  
  o.on( "-d", "--database", "Delete logs in the database that have been imported before the specified date.") do |w|
    action = :database
  end
  
  o.on( "-a", "--archive", "Delete log in the archive that have been archived before the specific date." ) do |a|
    action = :archive
  end

  o.on( "--all", "Delete log in the archive and database." ) do |a|
    action = :all
  end

  o.on( "-b", "--before-date YYYY-MM-DD", "Delete logs before this date (default: #{before_date}).") do |d|    
    before_date = d
  end
    
  o.on("-c", "--commit-bundle-count COUNT","Commit changes after this amount of destroyed metas") {|count|
    $transaction_bundle_amount = count.to_i
  }

  o.on("--dirty","Perform a dirty delete first (all records with smaller ids than one of the given date") {|dirty|}

  o.on("--dryrun", "Do not delete anything, dryrun only") {|dryrun|}
}

throw "Please give either --database or --archive." if action.nil?
throw "No date given." unless before_date

begin
  before_date = DateTime.parse(before_date).strftime("%F")
rescue 
  throw "Invalid date supplied '#{before_date}'."
end

ensure_script_not_running_already

Prisma::Database.load_classes("prisma")

throw "Unknown action '#{action}'." unless [:database,:all,:archive].include?(action)
if dirty and [:database,:all].include?(action)
  $log.info("Perform a dirty delete first")
  Prisma::Database.quick_and_dirty_db_delete(before_date,dryrun)  
end
Prisma::Database.delete_logs_before(action,before_date,dryrun)

exit 0