/**
 * @depend times_in_words.js
 * @depend util/core.js
 * @depend match.js
 * @depend format.js
 */
/**
 * Assertions matching the test spy retrieval interface.
 *
 * @author Christian Johansen (christian@cjohansen.no)
 * @license BSD
 *
 * Copyright (c) 2010-2013 Christian Johansen
 */
(function (sinonGlobal, global) {
    "use strict";

    var slice = Array.prototype.slice;

    function makeApi(sinon) {
        var assert;

        function verifyIsStub() {
            var method;

            for (var i = 0, l = arguments.length; i < l; ++i) {
                method = arguments[i];

                if (!method) {
                    assert.fail("fake is not a spy");
                }

                if (method.proxy && method.proxy.isSinonProxy) {
                    verifyIsStub(method.proxy);
                } else {
                    if (typeof method !== "function") {
                        assert.fail(method + " is not a function");
                    }

                    if (typeof method.getCall !== "function") {
                        assert.fail(method + " is not stubbed");
                    }
                }

            }
        }

        function verifyIsValidAssertion(assertionMethod, assertionArgs) {
            switch (assertionMethod) {
                case "notCalled":
                case "called":
                case "calledOnce":
                case "calledTwice":
                case "calledThrice":
                    if (assertionArgs.length !== 0) {
                        assert.fail(assertionMethod +
                                    " takes 1 argument but was called with " +
                                    (assertionArgs.length + 1) + " arguments");
                    }
                    break;
                default:
                    break;
            }
        }

        function failAssertion(object, msg) {
            object = object || global;
            var failMethod = object.fail || assert.fail;
            failMethod.call(object, msg);
        }

        function mirrorPropAsAssertion(name, method, message) {
            if (arguments.length === 2) {
                message = method;
                method = name;
            }

            assert[name] = function (fake) {
                verifyIsStub(fake);

                var args = slice.call(arguments, 1);
                verifyIsValidAssertion(name, args);

                var failed = false;

                if (typeof method === "function") {
                    failed = !method(fake);
                } else {
                    failed = typeof fake[method] === "function" ?
                        !fake[method].apply(fake, args) : !fake[method];
                }

                if (failed) {
                    failAssertion(this, (fake.printf || fake.proxy.printf).apply(fake, [message].concat(args)));
                } else {
                    assert.pass(name);
                }
            };
        }

        function exposedName(prefix, prop) {
            return !prefix || /^fail/.test(prop) ? prop :
                prefix + prop.slice(0, 1).toUpperCase() + prop.slice(1);
        }

        assert = {
            failException: "AssertError",

            fail: function fail(message) {
                var error = new Error(message);
                error.name = this.failException || assert.failException;

                throw error;
            },

            pass: function pass() {},

            callOrder: function assertCallOrder() {
                verifyIsStub.apply(null, arguments);
                var expected = "";
                var actual = "";

                if (!sinon.calledInOrder(arguments)) {
                    try {
                        expected = [].join.call(arguments, ", ");
                        var calls = slice.call(arguments);
                        var i = calls.length;
                        while (i) {
                            if (!calls[--i].called) {
                                calls.splice(i, 1);
                            }
                        }
                        actual = sinon.orderByFirstCall(calls).join(", ");
                    } catch (e) {
                        // If this fails, we'll just fall back to the blank string
                    }

                    failAssertion(this, "expected " + expected + " to be " +
                                "called in order but were called as " + actual);
                } else {
                    assert.pass("callOrder");
                }
            },

            callCount: function assertCallCount(method, count) {
                verifyIsStub(method);

                if (method.callCount !== count) {
                    var msg = "expected %n to be called " + sinon.timesInWords(count) +
                        " but was called %c%C";
                    failAssertion(this, method.printf(msg));
                } else {
                    assert.pass("callCount");
                }
            },

            expose: function expose(target, options) {
                if (!target) {
                    throw new TypeError("target is null or undefined");
                }

                var o = options || {};
                var prefix = typeof o.prefix === "undefined" && "assert" || o.prefix;
                var includeFail = typeof o.includeFail === "undefined" || !!o.includeFail;

                for (var method in this) {
                    if (method !== "expose" && (includeFail || !/^(fail)/.test(method))) {
                        target[exposedName(prefix, method)] = this[method];
                    }
                }

                return target;
            },

            match: function match(actual, expectation) {
                var matcher = sinon.match(expectation);
                if (matcher.test(actual)) {
                    assert.pass("match");
                } else {
                    var formatted = [
                        "expected value to match",
                        "    expected = " + sinon.format(expectation),
                        "    actual = " + sinon.format(actual)
                    ];

                    failAssertion(this, formatted.join("\n"));
                }
            }
        };

        mirrorPropAsAssertion("called", "expected %n to have been called at least once but was never called");
        mirrorPropAsAssertion("notCalled", function (spy) {
            return !spy.called;
        }, "expected %n to not have been called but was called %c%C");
        mirrorPropAsAssertion("calledOnce", "expected %n to be called once but was called %c%C");
        mirrorPropAsAssertion("calledTwice", "expected %n to be called twice but was called %c%C");
        mirrorPropAsAssertion("calledThrice", "expected %n to be called thrice but was called %c%C");
        mirrorPropAsAssertion("calledOn", "expected %n to be called with %1 as this but was called with %t");
        mirrorPropAsAssertion(
            "alwaysCalledOn",
            "expected %n to always be called with %1 as this but was called with %t"
        );
        mirrorPropAsAssertion("calledWithNew", "expected %n to be called with new");
        mirrorPropAsAssertion("alwaysCalledWithNew", "expected %n to always be called with new");
        mirrorPropAsAssertion("calledWith", "expected %n to be called with arguments %*%C");
        mirrorPropAsAssertion("calledWithMatch", "expected %n to be called with match %*%C");
        mirrorPropAsAssertion("alwaysCalledWith", "expected %n to always be called with arguments %*%C");
        mirrorPropAsAssertion("alwaysCalledWithMatch", "expected %n to always be called with match %*%C");
        mirrorPropAsAssertion("calledWithExactly", "expected %n to be called with exact arguments %*%C");
        mirrorPropAsAssertion("alwaysCalledWithExactly", "expected %n to always be called with exact arguments %*%C");
        mirrorPropAsAssertion("neverCalledWith", "expected %n to never be called with arguments %*%C");
        mirrorPropAsAssertion("neverCalledWithMatch", "expected %n to never be called with match %*%C");
        mirrorPropAsAssertion("threw", "%n did not throw exception%C");
        mirrorPropAsAssertion("alwaysThrew", "%n did not always throw exception%C");

        sinon.assert = assert;
        return assert;
    }

    var isNode = typeof module !== "undefined" && module.exports && typeof require === "function";
    var isAMD = typeof define === "function" && typeof define.amd === "object" && define.amd;

    function loadDependencies(require, exports, module) {
        var sinon = require("./util/core");
        require("./match");
        require("./format");
        module.exports = makeApi(sinon);
    }

    if (isAMD) {
        define(loadDependencies);
        return;
    }

    if (isNode) {
        loadDependencies(require, module.exports, module);
        return;
    }

    if (sinonGlobal) {
        makeApi(sinonGlobal);
    }
}(
    typeof sinon === "object" && sinon, // eslint-disable-line no-undef
    typeof global !== "undefined" ? global : self
));
