git ssb

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module.exports = function encodeConfig(conf) {
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  if (!conf) return ''
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  switch (typeof conf) {
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    case 'object':
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      var lines = []
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      for (var k in conf) {
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        var value = conf[k]
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        if (k === 'networks' && Array.isArray(value)) {
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          value.forEach(function (network) {
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            lines.push('', encodeNetwork(network))
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          })
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        } else {
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          lines.push(encodeProperty(k, value))
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        }
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      }
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      return lines.join('\n')
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    case 'string':
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      // fallthrough
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    case 'number':
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      return JSON.stringify(conf)
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    case 'boolean':
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      return conf ? '1' : '0'
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    default:
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      throw new Error("weird value: " + conf)
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  }
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}
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function encodeNetwork(network) {
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  if (!network) return
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  var lines = []
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  if (network._comment) {
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    lines.push('#' + network._comment)
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    var a = {}
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    for (var k in network) {
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      if (k !== '_comment')
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        a[k] = network[k]
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    }
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    network = a
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  }
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  lines.push('network={')
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  for (var k in network) {
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    lines.push('\t' + encodeProperty(k, network[k]))
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  }
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  lines.push('}')
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  return lines.join('\n')
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}
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function encodeProperty(key, value) {
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  return key + '=' + encodeValue(value)
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}
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function encodeValue(value) {
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  if (!value) return ''
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  switch (typeof value) {
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    case 'object':
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      if (Array.isArray(value)) {
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        return value.join(' ')
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      }
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      var items = []
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      for (var k in value) {
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        items.push(encodeProperty(k, value[k]))
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      }
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      return items.join(' ')
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    case 'string':
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    case 'number':
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      return JSON.stringify(value)
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    case 'boolean':
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      return value ? '1' : '0'
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    default:
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      throw new Error("weird value: " + value)
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  }
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}
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