git ssb

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var color = require('bash-color')
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// logging plugin
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// subscribes to 'log:*' events
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// and emits using lovely colors
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var LOG_LEVELS = [
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  'error',
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  'warning',
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  'notice',
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  'info'
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]
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var DEFAULT_LEVEL = LOG_LEVELS.indexOf('notice')
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function indent (o) {
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  return o.split('\n').map(function (e) {
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    return '  ' + e
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  }).join('\n')
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}
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function isString(s) {
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  return 'string' === s
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}
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function formatter(id, level) {
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  var b = id.substring(0, 4)
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  return function (ary) {
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    var plug = ary[0].substring(0, 4).toUpperCase()
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    var id = ary[1]
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    var verb = ary[2]
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    var data = ary.length > 4 ? ary.slice(3) : ary[3]
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    var _data = (isString(data) ? data : JSON.stringify(data)) || ''
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    var pre = [plug, id, color.cyan(verb)].join(' ')
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    var length = (5 + pre.length + 1 + _data.length)
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    var lines = isString(data) && data.split('\n').length > 1
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    var c = process.stdout.columns
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    if((process.stdout.columns > length) && !lines)
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      console.log([level, b, pre, _data].join(' '))
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    else {
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      console.log([level, b, pre].join(' '))
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      if(lines)
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        console.log(indent(data))
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      else if(data && data.stack)
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        console.log(indent(data.stack))
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      else if(data) {
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        console.log(indent(JSON.stringify(data, null, 2)))
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      }
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    }
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  }
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}
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module.exports = function logging (server, conf) {
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  var level = conf.logging && conf.logging.level && LOG_LEVELS.indexOf(conf.logging.level) || DEFAULT_LEVEL
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  if (level === -1) {
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    console.log('Warning, logging.level configured to an invalid value:', conf.logging.level)
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    console.log('Should be one of:', LOG_LEVELS.join(', '))
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    level = DEFAULT_LEVEL
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  }
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  console.log('Log level:', LOG_LEVELS[level])
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  var id = server.id
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  if (level >= LOG_LEVELS.indexOf('info'))
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    server.on('log:info',    formatter(id, color.green('info')))
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  if (level >= LOG_LEVELS.indexOf('notice'))
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    server.on('log:notice',  formatter(id, color.blue('note')))
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  if (level >= LOG_LEVELS.indexOf('warning'))
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    server.on('log:warning', formatter(id, color.yellow('warn')))
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  if (level >= LOG_LEVELS.indexOf('error'))
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    server.on('log:error',   formatter(id, color.red('err!')))
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}
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module.exports.init = module.exports
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