import { StringMapWrapper } from 'angular2/src/facade/collection';
import { global, isFunction, Math } from 'angular2/src/facade/lang';
import { provide } from 'angular2/core';
import { getTestInjector, FunctionWithParamTokens } from './test_injector';
import { browserDetection } from './utils';
export { inject } from './test_injector';
export { expect } from './matchers';
export var proxy = (t) => t;
var _global = (typeof window === 'undefined' ? global : window);
export var afterEach = _global.afterEach;
/**
 * Injectable completer that allows signaling completion of an asynchronous test. Used internally.
 */
export class AsyncTestCompleter {
    constructor(_done) {
        this._done = _done;
    }
    done() { this._done(); }
}
var jsmBeforeEach = _global.beforeEach;
var jsmDescribe = _global.describe;
var jsmDDescribe = _global.fdescribe;
var jsmXDescribe = _global.xdescribe;
var jsmIt = _global.it;
var jsmIIt = _global.fit;
var jsmXIt = _global.xit;
var runnerStack = [];
var inIt = false;
jasmine.DEFAULT_TIMEOUT_INTERVAL = 500;
var globalTimeOut = browserDetection.isSlow ? 3000 : jasmine.DEFAULT_TIMEOUT_INTERVAL;
var testInjector = getTestInjector();
/**
 * Mechanism to run `beforeEach()` functions of Angular tests.
 *
 * Note: Jasmine own `beforeEach` is used by this library to handle DI providers.
 */
class BeforeEachRunner {
    constructor(_parent) {
        this._parent = _parent;
        this._fns = [];
    }
    beforeEach(fn) { this._fns.push(fn); }
    run() {
        if (this._parent)
            this._parent.run();
        this._fns.forEach((fn) => {
            return isFunction(fn) ? fn() :
                (testInjector.execute(fn));
        });
    }
}
// Reset the test providers before each test
jsmBeforeEach(() => { testInjector.reset(); });
function _describe(jsmFn, ...args) {
    var parentRunner = runnerStack.length === 0 ? null : runnerStack[runnerStack.length - 1];
    var runner = new BeforeEachRunner(parentRunner);
    runnerStack.push(runner);
    var suite = jsmFn(...args);
    runnerStack.pop();
    return suite;
}
export function describe(...args) {
    return _describe(jsmDescribe, ...args);
}
export function ddescribe(...args) {
    return _describe(jsmDDescribe, ...args);
}
export function xdescribe(...args) {
    return _describe(jsmXDescribe, ...args);
}
export function beforeEach(fn) {
    if (runnerStack.length > 0) {
        // Inside a describe block, beforeEach() uses a BeforeEachRunner
        runnerStack[runnerStack.length - 1].beforeEach(fn);
    }
    else {
        // Top level beforeEach() are delegated to jasmine
        jsmBeforeEach(fn);
    }
}
/**
 * Allows overriding default providers defined in test_injector.js.
 *
 * The given function must return a list of DI providers.
 *
 * Example:
 *
 *   beforeEachProviders(() => [
 *     provide(Compiler, {useClass: MockCompiler}),
 *     provide(SomeToken, {useValue: myValue}),
 *   ]);
 */
export function beforeEachProviders(fn) {
    jsmBeforeEach(() => {
        var providers = fn();
        if (!providers)
            return;
        testInjector.addProviders(providers);
    });
}
/**
 * @deprecated
 */
export function beforeEachBindings(fn) {
    beforeEachProviders(fn);
}
function _it(jsmFn, name, testFn, testTimeOut) {
    var runner = runnerStack[runnerStack.length - 1];
    var timeOut = Math.max(globalTimeOut, testTimeOut);
    if (testFn instanceof FunctionWithParamTokens) {
        // The test case uses inject(). ie `it('test', inject([AsyncTestCompleter], (async) => { ...
        // }));`
        if (testFn.hasToken(AsyncTestCompleter)) {
            jsmFn(name, (done) => {
                var completerProvider = provide(AsyncTestCompleter, {
                    useFactory: () => {
                        // Mark the test as async when an AsyncTestCompleter is injected in an it()
                        if (!inIt)
                            throw new Error('AsyncTestCompleter can only be injected in an "it()"');
                        return new AsyncTestCompleter(done);
                    }
                });
                testInjector.addProviders([completerProvider]);
                runner.run();
                inIt = true;
                testInjector.execute(testFn);
                inIt = false;
            }, timeOut);
        }
        else {
            jsmFn(name, () => {
                runner.run();
                testInjector.execute(testFn);
            }, timeOut);
        }
    }
    else {
        // The test case doesn't use inject(). ie `it('test', (done) => { ... }));`
        if (testFn.length === 0) {
            jsmFn(name, () => {
                runner.run();
                testFn();
            }, timeOut);
        }
        else {
            jsmFn(name, (done) => {
                runner.run();
                testFn(done);
            }, timeOut);
        }
    }
}
export function it(name, fn, timeOut = null) {
    return _it(jsmIt, name, fn, timeOut);
}
export function xit(name, fn, timeOut = null) {
    return _it(jsmXIt, name, fn, timeOut);
}
export function iit(name, fn, timeOut = null) {
    return _it(jsmIIt, name, fn, timeOut);
}
export class SpyObject {
    constructor(type = null) {
        if (type) {
            for (var prop in type.prototype) {
                var m = null;
                try {
                    m = type.prototype[prop];
                }
                catch (e) {
                }
                if (typeof m === 'function') {
                    this.spy(prop);
                }
            }
        }
    }
    // Noop so that SpyObject has the same interface as in Dart
    noSuchMethod(args) { }
    spy(name) {
        if (!this[name]) {
            this[name] = this._createGuinnessCompatibleSpy(name);
        }
        return this[name];
    }
    prop(name, value) { this[name] = value; }
    static stub(object = null, config = null, overrides = null) {
        if (!(object instanceof SpyObject)) {
            overrides = config;
            config = object;
            object = new SpyObject();
        }
        var m = StringMapWrapper.merge(config, overrides);
        StringMapWrapper.forEach(m, (value, key) => { object.spy(key).andReturn(value); });
        return object;
    }
    /** @internal */
    _createGuinnessCompatibleSpy(name) {
        var newSpy = jasmine.createSpy(name);
        newSpy.andCallFake = newSpy.and.callFake;
        newSpy.andReturn = newSpy.and.returnValue;
        newSpy.reset = newSpy.calls.reset;
        // revisit return null here (previously needed for rtts_assert).
        newSpy.and.returnValue(null);
        return newSpy;
    }
}
export function isInInnerZone() {
    return global.zone._innerZone === true;
}
