#!/usr/bin/env ruby
# encoding: utf-8

$:.unshift(File.expand_path('../lib', File.dirname(__FILE__)))
require 'request_log_analyzer'
require 'cli/command_line_arguments'
require 'cli/progressbar'
require 'cli/tools'

# Parse the arguments given via commandline
begin
  arguments = CommandLine::Arguments.parse do |command_line|

    command_line.command(:install) do |install|
      install.parameters = 1
    end

    command_line.command(:console) do |cons|
      cons.option(:database, :alias => :d, :required => true)
      cons.option(:format, :alias => :f)
      cons.option(:apache_format)
    end

    command_line.command(:strip) do |strip|
      strip.minimum_parameters = 1
      strip.option(:format, :alias => :f, :default => 'rails3')
      strip.option(:output, :alias => :o)
      strip.switch(:discard_teaser_lines, :t)
      strip.switch(:keep_junk_lines, :j)
    end

    command_line.option(:format, :alias => :f)
    command_line.option(:apache_format)
    command_line.option(:rails_format)

    command_line.option(:file, :alias => :e)
    command_line.option(:mail, :alias => :m)
    command_line.option(:mailhost, :default => 'localhost')
    command_line.option(:mailsubject)
    command_line.option(:parse_strategy, :default => 'assume-correct')
    command_line.option(:yaml)
    command_line.option(:dump) # To be deprecated

    command_line.option(:aggregator, :alias => :a, :multiple => true)

    command_line.option(:database, :alias => :d)
    command_line.switch(:reset_database)

    # filtering options
    command_line.option(:select, :multiple => true, :parameters => 2)
    command_line.option(:reject, :multiple => true, :parameters => 2)
    command_line.option(:after)
    command_line.option(:before)

    command_line.switch(:boring, :b)
    command_line.option(:output, :alias => :o, :default => 'fixedwidth')
    command_line.option(:report_width,  :default => CommandLine::Tools.terminal_width - 1)
    command_line.option(:report_amount, :default => 20)
    command_line.option(:report_sort,   :default => 'sum,mean')

    command_line.switch(:debug)
    command_line.switch(:no_progress)
    command_line.switch(:silent)

    command_line.minimum_parameters = 1
  end

rescue CommandLine::Error => e
  puts "Request-log-analyzer, by Willem van Bergen and Bart ten Brinke - version #{RequestLogAnalyzer::VERSION}"
  puts "Website: http://railsdoctors.com"
  puts
  puts "ARGUMENT ERROR: " + e.message if e.message
  puts
  puts "Usage: request-log-analyzer [LOGFILES*] <OPTIONS>"
  puts
  puts "Input options:"
  puts "  --after <date>             Only consider requests from <date> or later."
  puts "  --before <date>            Only consider requests before <date>."
  puts "  --format <format>, -f:     Log file format: amazon_s3, apache, delayed_job, haproxy, merb, mysql,"
  puts "                             postgresql, rack, rails, rails3, w3c."
  puts "  --reject <field> <value>   Only consider requests where <field> does not match <value>."
  puts "  --select <field> <value>   Only consider requests where <field> matches <value>."
  puts
  puts "Output options:"
  puts "  --boring, -b               Output reports without ASCII colors."
  puts "  --database <filename>, -d: Creates an SQLite3 database of all the parsed request information."
  puts "  --debug                    Print debug information while parsing."
  puts "  --file <filename>          Redirect output to file."
  puts "  --mail <emailaddress>      Send report to an email address."
  puts "  --mailhost <server>        Use the given server as the SMTP server for sending email."
  puts "  --mailsubject <text>       Overwrite default mailsubject."
  puts "  --no-progress              Hide the progress bar."
  puts "  --output <format>          Output format. Supports 'html' and 'fixed_width'."
  puts "  --report-width <amount>    Width of ASCII report. Defaults to terminal width."
  puts "  --report-amount <amount>   Maximum numer of results per report."
  puts "  --silent                   Skip the commercials (includes --no-progress)."
  puts "  --yaml <filename>          Dump the results in YAML format in the given file."
  puts "  --parse-strategy <strategy> Legal values are 'assume-correct' or 'cautious'."
  puts
  puts "Examples:"
  puts "  request-log-analyzer production.log"
  puts "  request-log-analyzer mongrel.0.log mongrel.1.log --output HTML --mail root@localhost"
  puts "  request-log-analyzer --format merb -d requests.db production.log"
  puts "  request-log-analyzer mysql_slow_query.log --reject query /SQL_NO_CACHE/"
  puts
  puts "To install rake tasks in your Rails application, "
  puts "run the following command in your application's root directory:"
  puts
  puts "  request-log-analyzer install rails"
  exit(0)
end

case arguments.command
when :install
  CommandLine::Tools.install_rake_tasks(arguments.parameters[0])
when :console
  require 'cli/database_console'
  DatabaseConsole.new(arguments).run!
when :strip
  RequestLogAnalyzer::LogProcessor.build(:strip, arguments).run!
else
  unless arguments[:silent]
    STDERR.puts "Request-log-analyzer, by Willem van Bergen and Bart ten Brinke - version #{RequestLogAnalyzer::VERSION}"
    STDERR.puts "Website: http://railsdoctors.com"
    STDERR.puts
  end

  # Run the request_log_analyzer!
  RequestLogAnalyzer::Controller.build_from_arguments(arguments).run!
end