/*
 Licensed under the Apache License, Version 2.0 (the "License");
 you may not use this file except in compliance with the License.
 You may obtain a copy of the License at

 http://www.apache.org/licenses/LICENSE-2.0

 Unless required by applicable law or agreed to in writing, software
 distributed under the License is distributed on an "AS IS" BASIS,
 WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 See the License for the specific language governing permissions and
 limitations under the License.
 */

'use strict'

var should = require('should'),
    urljoin = require('url-join'),
    config = require('../../helpers').config,
    UsergridClient = require('../../lib/client'),
    UsergridQuery = require('../../lib/query')

var _slow = 500,
    _timeout = 4000

describe('connect()', function() {

    this.slow(_slow + 1000)
    this.timeout(_timeout + 4000)

    var response,
        entity1,
        entity2,
        client = new UsergridClient(),
        query = new UsergridQuery(config.test.collection).eq('name', 'testClientConnectOne').or.eq('name', 'testClientConnectTwo').asc('name')

    before(function(done) {
        // Create the entities we're going to use for connections
        client.POST(config.test.collection, [{
            "name": "testClientConnectOne"
        }, {
            "name": "testClientConnectTwo"
        }], function() {
            client.GET(query, function(err, usergridResponse) {
                response = usergridResponse
                entity1 = response.first
                entity2 = response.last
                done()
            })
        })
    })

    it('should connect entities by passing UsergridEntity objects as parameters', function(done) {
        var relationship = "foos"

        client.connect(entity1, relationship, entity2, function(err, usergridResponse) {
            usergridResponse.ok.should.be.true()
            client.getConnections(UsergridClient.Connections.DIRECTION_OUT, entity1, relationship, function(err, usergridResponse) {
                usergridResponse.first.metadata.connecting[relationship].should.equal(urljoin(
                    "",
                    config.test.collection,
                    entity1.uuid,
                    relationship,
                    entity2.uuid,
                    "connecting",
                    relationship
                ))
                done()
            })
        })
    })

    it('should connect entities by passing a source UsergridEntity object and a target uuid', function(done) {
        var relationship = "bars"

        client.connect(entity1, relationship, entity2.uuid, function(err, usergridResponse) {
            usergridResponse.ok.should.be.true()
            client.getConnections(UsergridClient.Connections.DIRECTION_OUT, entity1, relationship, function(err, usergridResponse) {
                usergridResponse.first.metadata.connecting[relationship].should.equal(urljoin(
                    "",
                    config.test.collection,
                    entity1.uuid,
                    relationship,
                    entity2.uuid,
                    "connecting",
                    relationship
                ))
                done()
            })
        })
    })

    it('should connect entities by passing source type, source uuid, and target uuid as parameters', function(done) {
        var relationship = "bazzes"

        client.connect(entity1.type, entity1.uuid, relationship, entity2.uuid, function(err, usergridResponse) {
            usergridResponse.ok.should.be.true()
            client.getConnections(UsergridClient.Connections.DIRECTION_OUT, entity1, relationship, function(err, usergridResponse) {
                usergridResponse.first.metadata.connecting[relationship].should.equal(urljoin(
                    "",
                    config.test.collection,
                    entity1.uuid,
                    relationship,
                    entity2.uuid,
                    "connecting",
                    relationship
                ))
                done()
            })
        })
    })

    it('should connect entities by passing source type, source name, target type, and target name as parameters', function(done) {
        var relationship = "quxes"

        client.connect(entity1.type, entity1.name, relationship, entity2.type, entity2.name, function(err, usergridResponse) {
            usergridResponse.ok.should.be.true()
            client.getConnections(UsergridClient.Connections.DIRECTION_OUT, entity1, relationship, function(err, usergridResponse) {
                usergridResponse.first.metadata.connecting[relationship].should.equal(urljoin(
                    "",
                    config.test.collection,
                    entity1.uuid,
                    relationship,
                    entity2.uuid,
                    "connecting",
                    relationship
                ))
                done()
            })
        })
    })

    it('should connect entities by passing a preconfigured options object', function(done) {
        var options = {
            entity: entity1,
            relationship: "quuxes",
            to: entity2
        }

        client.connect(options, function(err, usergridResponse) {
            usergridResponse.ok.should.be.true()
            client.getConnections(UsergridClient.Connections.DIRECTION_OUT, entity1, options.relationship, function(err, usergridResponse) {
                usergridResponse.first.metadata.connecting[options.relationship].should.equal(urljoin(
                    "",
                    config.test.collection,
                    entity1.uuid,
                    options.relationship,
                    entity2.uuid,
                    "connecting",
                    options.relationship
                ))
                done()
            })
        })
    })

    it('should fail to connect entities when specifying target name without type', function() {
        should(function() {
            client.connect(entity1.type, entity1.name, "fails", 'badName', function() {})
        }).throw()
    })
})

describe('getConnections()', function() {

    this.slow(_slow + 1000)
    this.timeout(_timeout + 4000)

    var response,
        client = new UsergridClient(),
        query = new UsergridQuery(config.test.collection).eq('name', 'testClientConnectOne').or.eq('name', 'testClientConnectTwo').asc('name')

    before(function(done) {
        client.GET(query, function(err, usergridResponse) {
            response = usergridResponse
            done()
        })
    })

    it('should get an entity\'s outbound connections', function(done) {
        var entity1 = response.first
        var entity2 = response.last

        var relationship = "foos"

        client.getConnections(UsergridClient.Connections.DIRECTION_OUT, entity1, relationship, function(err, usergridResponse) {
            usergridResponse.first.metadata.connecting[relationship].should.equal(urljoin(
                "",
                config.test.collection,
                entity1.uuid,
                relationship,
                entity2.uuid,
                "connecting",
                relationship
            ))
            done()
        })
    })

    it('should get an entity\'s inbound connections', function(done) {
        var entity1 = response.first
        var entity2 = response.last

        var relationship = "foos"

        client.getConnections(UsergridClient.Connections.DIRECTION_IN, entity2, relationship, function(err, usergridResponse) {
            usergridResponse.first.metadata.connections[relationship].should.equal(urljoin(
                "",
                config.test.collection,
                entity2.uuid,
                "connecting",
                entity1.uuid,
                relationship
            ))
            done()
        })
    })
})

describe('disconnect()', function() {

    this.slow(_slow + 1000)
    this.timeout(_timeout + 4000)

    var response,
        client = new UsergridClient(),
        query = new UsergridQuery(config.test.collection).eq('name', 'testClientConnectOne').or.eq('name', 'testClientConnectTwo').asc('name')

    before(function(done) {
        client.GET(query, function(err, usergridResponse) {
            response = usergridResponse
            done()
        })
    })

    it('should disconnect entities by passing UsergridEntity objects as parameters', function(done) {
        var entity1 = response.first
        var entity2 = response.last

        var relationship = "foos"

        client.disconnect(entity1, relationship, entity2, function(err, usergridResponse) {
            usergridResponse.ok.should.be.true()
            client.getConnections(UsergridClient.Connections.DIRECTION_OUT, entity1, relationship, function(err, usergridResponse) {
                usergridResponse.entities.should.be.an.Array().with.lengthOf(0)
                done()
            })
        })
    })

    it('should disconnect entities by passing source type, source uuid, and target uuid as parameters', function(done) {
        var entity1 = response.first
        var entity2 = response.last

        var relationship = "bars"

        client.disconnect(entity1.type, entity1.uuid, relationship, entity2.uuid, function(err, usergridResponse) {
            usergridResponse.ok.should.be.true()
            client.getConnections(UsergridClient.Connections.DIRECTION_OUT, entity1, relationship, function(err, usergridResponse) {
                usergridResponse.entities.should.be.an.Array().with.lengthOf(0)
                done()
            })
        })
    })

    it('should disconnect entities by passing source type, source name, target type, and target name as parameters', function(done) {
        var entity1 = response.first
        var entity2 = response.last

        var relationship = "bazzes"

        client.disconnect(entity1.type, entity1.name, relationship, entity2.type, entity2.name, function(err, usergridResponse) {
            usergridResponse.ok.should.be.true()
            client.getConnections(UsergridClient.Connections.DIRECTION_OUT, entity1, relationship, function(err, usergridResponse) {
                usergridResponse.entities.should.be.an.Array().with.lengthOf(0)
                done()
            })
        })
    })

    it('should disconnect entities by passing a preconfigured options object', function(done) {
        var entity1 = response.first
        var entity2 = response.last

        var options = {
            entity: entity1,
            relationship: "quxes",
            to: entity2
        }

        client.disconnect(options, function(err, usergridResponse) {
            usergridResponse.ok.should.be.true()
            client.getConnections(UsergridClient.Connections.DIRECTION_OUT, entity1, options.relationship, function(err, usergridResponse) {
                usergridResponse.entities.should.be.an.Array().with.lengthOf(0)
                done()
            })
        })
    })

    it('should fail to disconnect entities when specifying target name without type', function() {
        var entity1 = response.first
        var entity2 = response.last

        should(function() {
            client.disconnect(entity1.type, entity1.name, "fails", entity2.name, function() {})
        }).throw()
    })
})