var assert = require('chai').assert;
var supertest = require('supertest');
var nock = require('nock');
var async = require('async');
// Helper functions for the FS
var rm = require('./test-utils').rm;
var write = require('./test-utils').write;
var cp = require('./test-utils').cp;
var read = require('./test-utils').read;

var ldnode = require('../index');

describe('LDNODE params', function () {

  describe('proxy', function() {

    var ldp = ldnode({
      root: __dirname + '/resources',
      proxy: '/proxy'
    });
    var server = supertest(ldp);

    it('should return the website in /proxy?uri', function(done) {
      nock('https://amazingwebsite.tld').get('/').reply(200);
      server.get('/proxy?uri=https://amazingwebsite.tld/')
        .expect(200, done);
    });

    it('should also work on /proxy/ ?uri', function(done) {
      nock('https://amazingwebsite.tld').get('/').reply(200);
      server.get('/proxy/?uri=https://amazingwebsite.tld/')
        .expect(function (a) {
          assert.equal(a.header['link'], null)
        })
        .expect(200, done);
    });

    it('should return the same HTTP status code as the uri', function(done) {
      async.parallel([
        // 500
        function(next) {
          nock('https://amazingwebsite.tld').get('/404').reply(404);
          server.get('/proxy/?uri=https://amazingwebsite.tld/404')
            .expect(404, next);
        },
        function(next) {
          nock('https://amazingwebsite.tld').get('/401').reply(401);
          server.get('/proxy/?uri=https://amazingwebsite.tld/401')
            .expect(401, next);
        },
        function(next) {
          nock('https://amazingwebsite.tld').get('/500').reply(500);
          server.get('/proxy/?uri=https://amazingwebsite.tld/500')
            .expect(500, next);
        },
        function(next) {
          nock('https://amazingwebsite.tld').get('/').reply(200);
          server.get('/proxy/?uri=https://amazingwebsite.tld/')
            .expect(200, next);
        }
      ], done);
    });

    it('should work with cors', function(done) {
      nock('https://amazingwebsite.tld').get('/').reply(200);
      server.get('/proxy/?uri=https://amazingwebsite.tld/')
        .set('Origin', 'http://example.com')
        .expect('Access-Control-Allow-Origin', 'http://example.com')
        .expect(200, done);
    });
  });


  describe('suffixMeta', function () {
    describe('not passed', function() {
      it('should fallback on .meta', function() {
        var ldp = ldnode();
        assert.equal(ldp.locals.ldp.suffixMeta, '.meta');
      });
    });
  });

  describe('suffixAcl', function () {
    describe('not passed', function() {
      it('should fallback on .acl', function() {
        var ldp = ldnode();
        assert.equal(ldp.locals.ldp.suffixAcl, '.acl');
      });
    });
  });

  // describe('mount', function () {

  //   describe('not passed', function () {
  //     it('should fallback on /', function (done) {
  //       var ldp = ldnode();
  //       assert.equal(ldp.locals.ldp.mount, '/');
  //       done();
  //     });

  //   });

  //   describe('passed', function() {
  //     it ('should properly set the opts.mount', function (done) {
  //       var ldp1 = ldnode({
  //         mount: '/'
  //       });
  //       assert.equal(ldp1.locals.ldp.mount, '/');

  //       var ldp2 = ldnode({
  //         mount: '/test'
  //       });
  //       assert.equal(ldp2.locals.ldp.mount, '/test');

  //       done();
  //     });
  //     it('should drop tha trailing /', function () {
  //       var ldp1 = ldnode({
  //         mount: '/test/'
  //       });
  //       assert.equal(ldp1.locals.ldp.mount, '/test');

  //       var ldp2 = ldnode({
  //         mount: '/test/test'
  //       });
  //       assert.equal(ldp1.locals.ldp.mount, '/test');
  //     });
  //   });
  // });

  describe('root', function () {
    describe('not passed', function () {
      var ldp = ldnode();
      var server = supertest(ldp);
      
      it ('should fallback on current working directory', function () {
        assert.equal(ldp.locals.ldp.root, process.cwd() + '/');
      });

      it ('should find resource in correct path', function(done) {
        write(
          '<#current> <#temp> 123 .',
          'sampleContainer/example.ttl');

        // This assums npm test is run from the folder that contains package.js
        server.get('/test/resources/sampleContainer/example.ttl')
          .expect('Link', /http:\/\/www.w3.org\/ns\/ldp#Resource/)
          .expect(200)
          .end(function(err, res, body) {
            assert.equal(read('sampleContainer/example.ttl'), '<#current> <#temp> 123 .');
            rm('sampleContainer/example.ttl');
            done(err);
          });
      });
    });

    describe('passed', function() {
      var ldp = ldnode({root:'./test/resources/'});
      var server = supertest(ldp);

      it ('should fallback on current working directory', function () {
        assert.equal(ldp.locals.ldp.root, './test/resources/');
      });

      it ('should find resource in correct path', function(done) {
        write(
          '<#current> <#temp> 123 .',
          'sampleContainer/example.ttl');

        // This assums npm test is run from the folder that contains package.js
        server.get('/sampleContainer/example.ttl')
          .expect('Link', /http:\/\/www.w3.org\/ns\/ldp#Resource/)
          .expect(200)
          .end(function(err, res, body) {
            assert.equal(read('sampleContainer/example.ttl'), '<#current> <#temp> 123 .');
            rm('sampleContainer/example.ttl');
            done(err);
          });
      });
    });
  });
});