'use strict';

require('../helper');

var _ = require('underscore');
var OAuthAuth = require('../../lib/auth/oauth');
var MetadataDB = require('cartodb-redis');
var oAuth = require('../../lib/auth/oauth').backend;
var assert = require('assert');
var oauth_data_1 = {
        oauth_consumer_key: "dpf43f3p2l4k3l03",
        oauth_token: "nnch734d00sl2jdk",
        oauth_signature_method: "HMAC-SHA1",
        oauth_signature: "tR3%2BTy81lMeYAr%2FFid0kMTYa%2FWM%3D",
        oauth_timestamp:"1191242096",
        oauth_nonce:"kllo9940pd9333jh"
};
var oauth_data_2 = { oauth_version:"1.0" };
var oauth_data = _.extend(oauth_data_1, oauth_data_2);
var real_oauth_header = 'OAuth ' +
    'realm="http://vizzuality.testhost.lan/",' +
    'oauth_consumer_key="fZeNGv5iYayvItgDYHUbot1Ukb5rVyX6QAg8GaY2",' +
    'oauth_token="l0lPbtP68ao8NfStCiA3V3neqfM03JKhToxhUQTR",' +
    'oauth_signature_method="HMAC-SHA1", ' +
    'oauth_signature="o4hx4hWP6KtLyFwggnYB4yPK8xI%3D",' +
    'oauth_timestamp="1313581372",' +
    'oauth_nonce="W0zUmvyC4eVL8cBd4YwlH1nnPTbxW0QBYcWkXTwe4",' +
    'oauth_version="1.0"';
var oauth_header_tokens = 'oauth_consumer_key="dpf43f3p2l4k3l03",' +
    'oauth_token="nnch734d00sl2jdk",' +
    'oauth_signature_method="HMAC-SHA1", ' +
    'oauth_signature="tR3%2BTy81lMeYAr%2FFid0kMTYa%2FWM%3D",' +
    'oauth_timestamp="1191242096",' +
    'oauth_nonce="kllo9940pd9333jh",' +
    'oauth_version="1.0"';
var full_oauth_header = 'OAuth realm="http://photos.example.net/"' + oauth_header_tokens;

var metadataBackend = new MetadataDB({
    host: global.settings.redis_host,
    port: global.settings.redis_port,
    max: global.settings.redisPool,
    idleTimeoutMillis: global.settings.redisIdleTimeoutMillis,
    reapIntervalMillis: global.settings.redisReapIntervalMillis
});

describe('oauth', function() {

it('test database number', function(){
    assert.equal(oAuth.oauth_database, 3);
});

it('test oauth database key', function(){
    assert.equal(oAuth.oauth_user_key, "rails:oauth_access_tokens:<%= oauth_access_key %>");
});

it('test parse tokens from full headers does not raise exception', function(){
    var req = {query:{}, headers:{authorization:full_oauth_header}};
    assert.doesNotThrow(function(){ oAuth.parseTokens(req); }, /incomplete oauth tokens in request/);
});

it('test parse all normal tokens raises no exception', function(){
    var req = {query:oauth_data, headers:{}};
    assert.doesNotThrow(function(){ oAuth.parseTokens(req); }, /incomplete oauth tokens in request/);
});

it('test headers take presedence over query parameters', function(){
    var req = {query:{oauth_signature_method: "MY_HASH"}, headers:{authorization:full_oauth_header}};
    var tokens = oAuth.parseTokens(req);
    assert.equal(tokens.oauth_signature_method, "HMAC-SHA1");
});

it('test can access oauth hash for a user based on access token (oauth_token)', function(done){
    var req = {query:{}, headers:{authorization:real_oauth_header}};
    var tokens = oAuth.parseTokens(req);

    oAuth.getOAuthHash(metadataBackend, tokens.oauth_token, function(err, data){
        assert.equal(tokens.oauth_consumer_key, data.consumer_key);
        done();
    });
});

it('test non existant oauth hash for a user based on oauth_token returns empty hash', function(done){
    var req = {query:{}, params: { user: 'vizzuality' }, headers:{authorization:full_oauth_header}};
    var tokens = oAuth.parseTokens(req);

    oAuth.getOAuthHash(metadataBackend, tokens.oauth_token, function(err, data){
        assert.ok(!err, err);
        assert.deepEqual(data, {});
        done();
    });
});

it('can return user for verified signature', function(done){
    var req = {query:{},
        headers:{authorization:real_oauth_header, host: 'vizzuality.testhost.lan' },
        params: { user: 'vizzuality' },
        protocol: 'http',
        method: 'GET',
        path: '/api/v1/tables'
    };

    oAuth.verifyRequest(req, metadataBackend, function(err, data){
        assert.ok(!err, err);
        assert.equal(data, 'master');
        done();
    });
});

it('can return user for verified signature (for other allowed domains)', function(done){
    var oAuthGetAllowedHostsFn = oAuth.getAllowedHosts;
    oAuth.getAllowedHosts = function() {
        return ['testhost.lan', 'testhostdb.lan'];
    };
    var req = {query:{},
        headers:{authorization:real_oauth_header, host: 'vizzuality.testhostdb.lan' },
        params: { user: 'vizzuality' },
        protocol: 'http',
        method: 'GET',
        path: '/api/v1/tables'
    };

    oAuth.verifyRequest(req, metadataBackend, function(err, data){
        oAuth.getAllowedHosts = oAuthGetAllowedHostsFn;
        assert.ok(!err, err);
        assert.equal(data, 'master');
        done();
    });
});

it('returns null user for unverified signatures', function(done){
    var req = {query:{},
        headers:{authorization:real_oauth_header, host: 'vizzuality.testyhost.lan' },
        params: { user: 'vizzuality' },
        protocol: 'http',
        method: 'GET',
        path: '/api/v1/tables'
    };

    oAuth.verifyRequest(req, metadataBackend, function(err, data){
        assert.equal(data, null);
        done();
    });
});

it('returns null user for no oauth', function(done){
    var req = {
        query:{},
        headers:{},
        params: { user: 'vizzuality' },
        protocol: 'http',
        method: 'GET',
        path: '/api/v1/tables'
    };

    oAuth.verifyRequest(req, metadataBackend, function(err,data){
        assert.equal(data, null);
        done();
    });
});

it('OAuthAuth reports it has credentials', function(done) {
    var req = {query:{}, headers:{authorization:real_oauth_header}};
    var oAuthAuth = new OAuthAuth(req);
    assert.ok(oAuthAuth.hasCredentials());
    done();
});

it('OAuthAuth reports it has no credentials', function(done) {
    var req = {query:{}, headers:{}};
    var oAuthAuth = new OAuthAuth(req);
    assert.equal(oAuthAuth.hasCredentials(), false);
    done();
});


});