var tape = require('tape')

, EE               = require('events').EventEmitter
, util             = require('util')

, isStream         = require('./')
, isReadable       = require('./').isReadable
, isWritable       = require('./').isWritable
, isDuplex         = require('./').isDuplex

, CoreStreams      = require('stream')
, ReadableStream10 = require('./readable-stream-1.0/')
, ReadableStream11 = require('./readable-stream-1.1/')

function test (pass, type, stream) {

tape('isStream('  + type + ')', function (t) {
  t.plan(1)
  t.ok(pass === isStream(stream), type)
})

}

function testReadable (pass, type, stream) {

tape('isReadable('  + type + ')', function (t) {
  t.plan(1)
  t.ok(pass === isReadable(stream), type)
})

}

function testWritable (pass, type, stream) {

tape('isWritable('  + type + ')', function (t) {
  t.plan(1)
  t.ok(pass === isWritable(stream), type)
})

}

function testDuplex (pass, type, stream) {

tape('isDuplex('  + type + ')', function (t) {
  t.plan(1)
  t.ok(pass === isDuplex(stream), type)
})

}

[ undefined, null, '', true, false, 0, 1, 1.0, 'string', {}, function foo () {} ].forEach(function (o) {

test(false, 'non-stream / primitive: ' + (JSON.stringify(o) || (o && o.toString()) || o), o)

})

test(false, 'fake stream obj', { pipe: function () {} })

;(function () {

// looks like a stream!

function Stream () {
  EE.call(this)
}
util.inherits(Stream, EE)
Stream.prototype.pipe = function () {}
Stream.Stream = Stream

test(false, 'fake stream "new Stream()"', new Stream())

}())

test(true, 'CoreStreams.Stream', new (CoreStreams.Stream)()) test(true, 'CoreStreams.Readable', new (CoreStreams.Readable)()) test(true, 'CoreStreams.Writable', new (CoreStreams.Writable)()) test(true, 'CoreStreams.Duplex', new (CoreStreams.Duplex)()) test(true, 'CoreStreams.Transform', new (CoreStreams.Transform)()) test(true, 'CoreStreams.PassThrough', new (CoreStreams.PassThrough)())

test(true, 'ReadableStream10.Readable', new (ReadableStream10.Readable)()) test(true, 'ReadableStream10.Writable', new (ReadableStream10.Writable)()) test(true, 'ReadableStream10.Duplex', new (ReadableStream10.Duplex)()) test(true, 'ReadableStream10.Transform', new (ReadableStream10.Transform)()) test(true, 'ReadableStream10.PassThrough', new (ReadableStream10.PassThrough)())

test(true, 'ReadableStream11.Readable', new (ReadableStream11.Readable)()) test(true, 'ReadableStream11.Writable', new (ReadableStream11.Writable)()) test(true, 'ReadableStream11.Duplex', new (ReadableStream11.Duplex)()) test(true, 'ReadableStream11.Transform', new (ReadableStream11.Transform)()) test(true, 'ReadableStream11.PassThrough', new (ReadableStream11.PassThrough)())

testReadable(false, 'CoreStreams.Stream', new (CoreStreams.Stream)()) testReadable(true, 'CoreStreams.Readable', new (CoreStreams.Readable)()) testReadable(false, 'CoreStreams.Writable', new (CoreStreams.Writable)()) testReadable(true, 'CoreStreams.Duplex', new (CoreStreams.Duplex)()) testReadable(true, 'CoreStreams.Transform', new (CoreStreams.Transform)()) testReadable(true, 'CoreStreams.PassThrough', new (CoreStreams.PassThrough)())

testReadable(true, 'ReadableStream10.Readable', new (ReadableStream10.Readable)()) testReadable(false, 'ReadableStream10.Writable', new (ReadableStream10.Writable)()) testReadable(true, 'ReadableStream10.Duplex', new (ReadableStream10.Duplex)()) testReadable(true, 'ReadableStream10.Transform', new (ReadableStream10.Transform)()) testReadable(true, 'ReadableStream10.PassThrough', new (ReadableStream10.PassThrough)())

testReadable(true, 'ReadableStream11.Readable', new (ReadableStream11.Readable)()) testReadable(false, 'ReadableStream11.Writable', new (ReadableStream11.Writable)()) testReadable(true, 'ReadableStream11.Duplex', new (ReadableStream11.Duplex)()) testReadable(true, 'ReadableStream11.Transform', new (ReadableStream11.Transform)()) testReadable(true, 'ReadableStream11.PassThrough', new (ReadableStream11.PassThrough)())

testWritable(false, 'CoreStreams.Stream', new (CoreStreams.Stream)()) testWritable(false, 'CoreStreams.Readable', new (CoreStreams.Readable)()) testWritable(true, 'CoreStreams.Writable', new (CoreStreams.Writable)()) testWritable(true, 'CoreStreams.Duplex', new (CoreStreams.Duplex)()) testWritable(true, 'CoreStreams.Transform', new (CoreStreams.Transform)()) testWritable(true, 'CoreStreams.PassThrough', new (CoreStreams.PassThrough)())

testWritable(false, 'ReadableStream10.Readable', new (ReadableStream10.Readable)()) testWritable(true, 'ReadableStream10.Writable', new (ReadableStream10.Writable)()) testWritable(true, 'ReadableStream10.Duplex', new (ReadableStream10.Duplex)()) testWritable(true, 'ReadableStream10.Transform', new (ReadableStream10.Transform)()) testWritable(true, 'ReadableStream10.PassThrough', new (ReadableStream10.PassThrough)())

testWritable(false, 'ReadableStream11.Readable', new (ReadableStream11.Readable)()) testWritable(true, 'ReadableStream11.Writable', new (ReadableStream11.Writable)()) testWritable(true, 'ReadableStream11.Duplex', new (ReadableStream11.Duplex)()) testWritable(true, 'ReadableStream11.Transform', new (ReadableStream11.Transform)()) testWritable(true, 'ReadableStream11.PassThrough', new (ReadableStream11.PassThrough)())

testDuplex(false, 'CoreStreams.Stream', new (CoreStreams.Stream)()) testDuplex(false, 'CoreStreams.Readable', new (CoreStreams.Readable)()) testDuplex(false, 'CoreStreams.Writable', new (CoreStreams.Writable)()) testDuplex(true, 'CoreStreams.Duplex', new (CoreStreams.Duplex)()) testDuplex(true, 'CoreStreams.Transform', new (CoreStreams.Transform)()) testDuplex(true, 'CoreStreams.PassThrough', new (CoreStreams.PassThrough)())

testDuplex(false, 'ReadableStream10.Readable', new (ReadableStream10.Readable)()) testDuplex(false, 'ReadableStream10.Writable', new (ReadableStream10.Writable)()) testDuplex(true, 'ReadableStream10.Duplex', new (ReadableStream10.Duplex)()) testDuplex(true, 'ReadableStream10.Transform', new (ReadableStream10.Transform)()) testDuplex(true, 'ReadableStream10.PassThrough', new (ReadableStream10.PassThrough)())

testDuplex(false, 'ReadableStream11.Readable', new (ReadableStream11.Readable)()) testDuplex(false, 'ReadableStream11.Writable', new (ReadableStream11.Writable)()) testDuplex(true, 'ReadableStream11.Duplex', new (ReadableStream11.Duplex)()) testDuplex(true, 'ReadableStream11.Transform', new (ReadableStream11.Transform)()) testDuplex(true, 'ReadableStream11.PassThrough', new (ReadableStream11.PassThrough)())

;[ CoreStreams, ReadableStream10, ReadableStream11 ].forEach(function (p) {

[ 'Stream', 'Readable', 'Writable', 'Duplex', 'Transform', 'PassThrough' ].forEach(function (k) {
  if (!p[k])
    return

  function SubStream () {
    p[k].call(this)
  }
  util.inherits(SubStream, p[k])

  test(true, 'Stream subclass: ' + p.name + '.' + k, new SubStream())

})

})