import {Component, ComponentResolver, provide} from '@angular/core';
import {AsyncTestCompleter, beforeEach, beforeEachProviders, ddescribe, describe, expect, iit, inject, it, xdescribe, xit} from '@angular/core/testing/testing_internal';
import {Route, Routes} from '@angular/router';

import {DEFAULT_OUTLET_NAME} from '../src/constants';
import {recognize} from '../src/recognize';
import {DefaultRouterUrlSerializer} from '../src/router_url_serializer';
import {RouteTree, UrlSegment, UrlTree, createEmptyRouteTree} from '../src/segments';

export function main() {
  describe('recognize', () => {
    let emptyRouteTree = createEmptyRouteTree(ComponentA);

    it('should handle position args',
       inject(
           [AsyncTestCompleter, ComponentResolver],
           (async: AsyncTestCompleter, resolver: any /** TODO #9100 */) => {
             recognize(resolver, ComponentA, tree('b/paramB/c/paramC/d'), emptyRouteTree)
                 .then(r => {
                   let a = r.root;
                   expect(stringifyUrl(a.urlSegments)).toEqual(['']);
                   expect(a.type).toBe(ComponentA);

                   let b = r.firstChild(r.root);
                   expect(stringifyUrl(b.urlSegments)).toEqual(['b', 'paramB']);
                   expect(b.type).toBe(ComponentB);

                   let c = r.firstChild(r.firstChild(r.root));
                   expect(stringifyUrl(c.urlSegments)).toEqual(['c', 'paramC']);
                   expect(c.type).toBe(ComponentC);

                   let d = r.firstChild(r.firstChild(r.firstChild(r.root)));
                   expect(stringifyUrl(d.urlSegments)).toEqual(['d']);
                   expect(d.type).toBe(ComponentD);

                   async.done();
                 });
           }));

    it('should support empty routes',
       inject(
           [AsyncTestCompleter, ComponentResolver],
           (async: AsyncTestCompleter, resolver: any /** TODO #9100 */) => {
             recognize(resolver, ComponentA, tree('f'), emptyRouteTree).then(r => {
               let a = r.root;
               expect(stringifyUrl(a.urlSegments)).toEqual(['']);
               expect(a.type).toBe(ComponentA);

               let f = r.firstChild(r.root);
               expect(stringifyUrl(f.urlSegments)).toEqual(['f']);
               expect(f.type).toBe(ComponentF);

               let d = r.firstChild(r.firstChild(r.root));
               expect(stringifyUrl(d.urlSegments)).toEqual([]);
               expect(d.type).toBe(ComponentD);

               async.done();
             });
           }));

    it('should handle aux routes',
       inject(
           [AsyncTestCompleter, ComponentResolver],
           (async: AsyncTestCompleter, resolver: any /** TODO #9100 */) => {
             recognize(resolver, ComponentA, tree('b/paramB(/d//right:d)'), emptyRouteTree)
                 .then(r => {
                   let c = r.children(r.root);
                   expect(stringifyUrl(c[0].urlSegments)).toEqual(['b', 'paramB']);
                   expect(c[0].outlet).toEqual(DEFAULT_OUTLET_NAME);
                   expect(c[0].type).toBe(ComponentB);

                   expect(stringifyUrl(c[1].urlSegments)).toEqual(['d']);
                   expect(c[1].outlet).toEqual('aux');
                   expect(c[1].type).toBe(ComponentD);

                   expect(stringifyUrl(c[2].urlSegments)).toEqual(['d']);
                   expect(c[2].outlet).toEqual('right');
                   expect(c[2].type).toBe(ComponentD);

                   async.done();
                 });
           }));

    it('should error when two segments with the same outlet name',
       inject(
           [AsyncTestCompleter, ComponentResolver],
           (async: AsyncTestCompleter, resolver: any /** TODO #9100 */) => {
             recognize(resolver, ComponentA, tree('b/paramB(right:d//right:e)'), emptyRouteTree)
                 .catch(e => {
                   expect(e.message).toEqual(
                       'Two segments cannot have the same outlet name: \'right:d\' and \'right:e\'.');
                   async.done();
                 });
           }));

    it('should handle nested aux routes',
       inject(
           [AsyncTestCompleter, ComponentResolver],
           (async: AsyncTestCompleter, resolver: any /** TODO #9100 */) => {
             recognize(resolver, ComponentA, tree('b/paramB(/d(right:e))'), emptyRouteTree)
                 .then(r => {
                   let c = r.children(r.root);
                   expect(stringifyUrl(c[0].urlSegments)).toEqual(['b', 'paramB']);
                   expect(c[0].outlet).toEqual(DEFAULT_OUTLET_NAME);
                   expect(c[0].type).toBe(ComponentB);

                   expect(stringifyUrl(c[1].urlSegments)).toEqual(['d']);
                   expect(c[1].outlet).toEqual('aux');
                   expect(c[1].type).toBe(ComponentD);

                   expect(stringifyUrl(c[2].urlSegments)).toEqual(['e']);
                   expect(c[2].outlet).toEqual('right');
                   expect(c[2].type).toBe(ComponentE);

                   async.done();
                 });
           }));

    it('should handle non top-level aux routes',
       inject(
           [AsyncTestCompleter, ComponentResolver],
           (async: AsyncTestCompleter, resolver: any /** TODO #9100 */) => {
             recognize(resolver, ComponentA, tree('b/paramB/d(e)'), emptyRouteTree).then(r => {
               let c = r.children(r.firstChild(r.root));
               expect(stringifyUrl(c[0].urlSegments)).toEqual(['d']);
               expect(c[0].outlet).toEqual(DEFAULT_OUTLET_NAME);
               expect(c[0].type).toBe(ComponentD);

               expect(stringifyUrl(c[1].urlSegments)).toEqual(['e']);
               expect(c[1].outlet).toEqual('aux');
               expect(c[1].type).toBe(ComponentE);

               async.done();
             });
           }));

    it('should handle matrix parameters',
       inject(
           [AsyncTestCompleter, ComponentResolver],
           (async: AsyncTestCompleter, resolver: any /** TODO #9100 */) => {
             recognize(
                 resolver, ComponentA, tree('b/paramB;b1=1;b2=2(/d;d1=1;d2=2)'), emptyRouteTree)
                 .then(r => {
                   let c = r.children(r.root);
                   expect(c[0].parameters).toEqual({'b': 'paramB', 'b1': '1', 'b2': '2'});
                   expect(c[1].parameters).toEqual({'d1': '1', 'd2': '2'});

                   async.done();
                 });
           }));

    it('should match a wildcard',
       inject(
           [AsyncTestCompleter, ComponentResolver],
           (async: AsyncTestCompleter, resolver: any /** TODO #9100 */) => {
             recognize(resolver, ComponentG, tree('a;aa=1/b;bb=2'), emptyRouteTree).then(r => {
               let c = r.children(r.root);
               expect(c.length).toEqual(1);
               expect(stringifyUrl(c[0].urlSegments)).toEqual([]);
               expect(c[0].parameters).toEqual(null);

               async.done();
             });
           }));

    it('should error when no matching routes',
       inject(
           [AsyncTestCompleter, ComponentResolver],
           (async: AsyncTestCompleter, resolver: any /** TODO #9100 */) => {
             recognize(resolver, ComponentA, tree('invalid'), emptyRouteTree).catch(e => {
               expect(e.message).toContain('Cannot match any routes');
               async.done();
             });
           }));

    it('should handle no matching routes (too short)',
       inject(
           [AsyncTestCompleter, ComponentResolver],
           (async: AsyncTestCompleter, resolver: any /** TODO #9100 */) => {
             recognize(resolver, ComponentA, tree('b'), emptyRouteTree).catch(e => {
               expect(e.message).toContain('Cannot match any routes');
               async.done();
             });
           }));

    it('should error when a component doesn\'t have @Routes',
       inject(
           [AsyncTestCompleter, ComponentResolver],
           (async: AsyncTestCompleter, resolver: any /** TODO #9100 */) => {
             recognize(resolver, ComponentA, tree('d/invalid'), emptyRouteTree).catch(e => {
               expect(e.message).toEqual(
                   'Component \'ComponentD\' does not have route configuration');
               async.done();
             });
           }));

    it('should reuse existing segments',
       inject(
           [AsyncTestCompleter, ComponentResolver],
           (async: AsyncTestCompleter, resolver: any /** TODO #9100 */) => {
             recognize(resolver, ComponentA, tree('/b/1/d'), emptyRouteTree).then(t1 => {
               recognize(resolver, ComponentA, tree('/b/1/e'), t1).then(t2 => {
                 expect(t1.root).toBe(t2.root);
                 expect(t1.firstChild(t1.root)).toBe(t2.firstChild(t2.root));
                 expect(t1.firstChild(t1.firstChild(t1.root)))
                     .not.toBe(t2.firstChild(t2.firstChild(t2.root)));

                 async.done();
               });
             });
           }));
  });
}

function tree(url: string): UrlTree {
  return new DefaultRouterUrlSerializer().parse(url);
}

function stringifyUrl(segments: UrlSegment[]): string[] {
  return segments.map(s => s.segment);
}

@Component({selector: 'd', template: 't'})
class ComponentD {
}

@Component({selector: 'e', template: 't'})
class ComponentE {
}

@Component({selector: 'f', template: 't'})
@Routes([new Route({path: '/', component: ComponentD})])
class ComponentF {
}

@Component({selector: 'c', template: 't'})
@Routes([new Route({path: 'd', component: ComponentD})])
class ComponentC {
}

@Component({selector: 'b', template: 't'})
@Routes([
  new Route({path: 'd', component: ComponentD}), new Route({path: 'e', component: ComponentE}),
  new Route({path: 'c/:c', component: ComponentC})
])
class ComponentB {
}

@Component({selector: 'g', template: 't'})
@Routes(
    [new Route({path: 'd', component: ComponentD}), new Route({path: '*', component: ComponentE})])
class ComponentG {
}

@Component({selector: 'a', template: 't'})
@Routes([
  new Route({path: 'b/:b', component: ComponentB}), new Route({path: 'd', component: ComponentD}),
  new Route({path: 'e', component: ComponentE}), new Route({path: 'f', component: ComponentF})
])
class ComponentA {
}