#!/usr/bin/env ruby

$:.unshift File.expand_path('../../lib', File.symlink?(__FILE__) ? File.readlink(__FILE__) : __FILE__)

require 'rubygems' unless Object.const_defined?(:Gem)
require 'optparse'

require "redis-browser"

# Sinatra runtime options
sinatra_options = {
  bind: '127.0.0.1',
  port: 4567
}

redis_connection = {}

OptionParser.new do |opts|
  opts.banner = "Usage: redis-browser [options]"

  opts.on("-C PATH", "--config PATH", "Path to YAML config file") do |v|
    require 'yaml'
    require 'erb'

    config = YAML.load(ERB.new(IO.read(v)).result)
    RedisBrowser.configure(config)
  end

  opts.on("-U URL", "--url URL", "Connection URL. Defaults to redis://127.0.0.1:6379/0") do |v|
    v = "redis://#{v}" unless v =~ /^redis:\/\//
    config = { 'connections' => { 'default' => v } }
    RedisBrowser.configure(config)
  end

  opts.on("-h HOSTNAME", "Default redis connection hostname") do |v|
    redis_connection['host'] = v
  end

  opts.on("-p PORT", "Default redis connection port") do |v|
    redis_connection['port'] = v
  end

  opts.on("-n DB", "Default redis connection database number") do |v|
    redis_connection['db'] = v
  end

  opts.on("-a PASSWORD", "Default redis connection password") do |v|
    redis_connection['auth'] = v
  end

  opts.on("-B ADDRESS", "--bind ADDRESS", "Server hostname or IP address to listen on") do |v|
    sinatra_options['bind'] = v
  end

  opts.on("-P PORT", "--port PORT", "Port number to listen on") do |v|
    sinatra_options['port'] = v
  end

  opts.on("-v", "--version", "Display version number") do
    puts RedisBrowser::VERSION
    exit
  end
end.parse!

unless redis_connection.empty?
  config = { 'connections' => { 'default' => redis_connection } }
  RedisBrowser.configure(config)
end

RedisBrowser::Web.run! sinatra_options