/* ============================================================
 # bootstrap-tour.js v0.1
 # http://pushly.github.com/bootstrap-tour/
 # ==============================================================
 # Copyright 2012 Push.ly
 #
 # 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.
 */

(function() {

    (function($, window) {
        var Tour, document;
        document = window.document;
        Tour = (function() {

            function Tour(options) {
                var _this = this;
                this._options = $.extend({
                    name: 'tour',
                    labels: {
                        end: 'End tour',
                        next: 'Next »',
                        prev: '« Prev'
                    },
                    keyboard: true,
                    afterSetState: function(key, value) {},
                    afterGetState: function(key, value) {},
                    onShow: function(tour) {},
                    onHide: function(tour) {},
                    onShown: function(tour) {}
                }, options);
                this._steps = [];
                this.setCurrentStep();
                this._onresize(function() {
                    if (!_this.ended) return _this.showStep(_this._current);
                });
            }

            Tour.prototype.setState = function(key, value) {
                $.cookie("" + this._options.name + "_" + key, value, {
                    expires: 36500,
                    path: '/'
                });
                return this._options.afterSetState(key, value);
            };

            Tour.prototype.getState = function(key) {
                var value;
                value = $.cookie("" + this._options.name + "_" + key);
                this._options.afterGetState(key, value);
                return value;
            };

            Tour.prototype.addStep = function(step) {
                return this._steps.push(step);
            };

            Tour.prototype.getStep = function(i) {
                if (this._steps[i] != null) {
                    return $.extend({
                        path: "",
                        placement: "right",
                        title: "",
                        content: "",
                        next: i === this._steps.length - 1 ? -1 : i + 1,
                        prev: i - 1,
                        animation: true,
                        onShow: this._options.onShow,
                        onHide: this._options.onHide,
                        onShown: this._options.onShown
                    }, this._steps[i]);
                }
            };

            Tour.prototype.start = function(force) {
                var _this = this;
                if (force == null) force = false;
                if (this.ended() && !force) return;
                $(document).off("click.bootstrap-tour", ".popover .next").on("click.bootstrap-tour", ".popover .next", function(e) {
                    e.preventDefault();
                    return _this.next();
                });
                $(document).off("click.bootstrap-tour", ".popover .prev").on("click.bootstrap-tour", ".popover .prev", function(e) {
                    e.preventDefault();
                    return _this.prev();
                });
                $(document).off("click.bootstrap-tour", ".popover .end").on("click.bootstrap-tour", ".popover .end", function(e) {
                    e.preventDefault();
                    return _this.end();
                });
                this._setupKeyboardNavigation();
                return this.showStep(this._current);
            };

            Tour.prototype.next = function() {
                this.hideStep(this._current);
                return this.showNextStep();
            };

            Tour.prototype.prev = function() {
                this.hideStep(this._current);
                return this.showPrevStep();
            };

            Tour.prototype.end = function() {
                this.hideStep(this._current);
                $(document).off(".bootstrap-tour");
                return this.setState("end", "yes");
            };

            Tour.prototype.ended = function() {
                return !!this.getState("end");
            };

            Tour.prototype.restart = function() {
                this.setState("current_step", null);
                this.setState("end", null);
                this.setCurrentStep(0);
                return this.start();
            };

            Tour.prototype.hideStep = function(i) {
                var step;
                step = this.getStep(i);
                if (step.onHide != null) step.onHide(this);
                return $(step.element).popover("hide");
            };

            Tour.prototype.showStep = function(i) {
                var step;
                step = this.getStep(i);
                if (!step) return;
                this.setCurrentStep(i);
                if (step.path !== "" && document.location.pathname !== step.path && document.location.pathname.replace(/^.*[\\\/]/, '') !== step.path) {
                    document.location.href = step.path;
                    return;
                }
                if (step.onShow != null) step.onShow(this);
                if (!((step.element != null) && $(step.element).length !== 0 && $(step.element).is(":visible"))) {
                    this.showNextStep();
                    return;
                }
                this._showPopover(step, i);
                if (step.onShown != null) return step.onShown(this);
            };

            Tour.prototype.setCurrentStep = function(value) {
                if (value != null) {
                    this._current = value;
                    return this.setState("current_step", value);
                } else {
                    this._current = this.getState("current_step");
                    if (this._current === null || this._current === "null") {
                        return this._current = 0;
                    } else {
                        return this._current = parseInt(this._current);
                    }
                }
            };

            Tour.prototype.showNextStep = function() {
                var step;
                step = this.getStep(this._current);
                return this.showStep(step.next);
            };

            Tour.prototype.showPrevStep = function() {
                var step;
                step = this.getStep(this._current);
                return this.showStep(step.prev);
            };

            Tour.prototype._showPopover = function(step, i) {
                var content, nav, options, tip,
                    _this = this;
                content = "" + step.content + "<br /><p>";
                options = $.extend({}, this._options);
                if (step.options) $.extend(options, step.options);
                if (step.reflex) {
                    $(step.element).css("cursor", "pointer");
                    $(step.element).on("click", function(e) {
                        $(step.element).css("cursor", "auto");
                        return _this.next();
                    });
                }
                nav = [];
                if (step.prev >= 0) {
                    nav.push("<a href='#" + step.prev + "' class='prev'>" + options.labels.prev + "</a>");
                }
                if (step.next >= 0) {
                    nav.push("<a href='#" + step.next + "' class='next'>" + options.labels.next + "</a>");
                }
                content += nav.join(" | ");
                content += "<a href='#' class='pull-right end'>" + options.labels.end + "</a>";
                $(step.element).popover({
                    placement: step.placement,
                    trigger: "manual",
                    title: step.title,
                    content: content,
                    html: true,
                    animation: step.animation
                }).popover("show");
                tip = $(step.element).data("popover").tip();
                this._reposition(tip);
                return this._scrollIntoView(tip);
            };

            Tour.prototype._reposition = function(tip) {
                var offsetBottom, offsetRight, tipOffset;
                tipOffset = tip.offset();
                offsetBottom = $(document).outerHeight() - tipOffset.top - $(tip).outerHeight();
                if (offsetBottom < 0) tipOffset.top = tipOffset.top + offsetBottom;
                offsetRight = $(document).outerWidth() - tipOffset.left - $(tip).outerWidth();
                if (offsetRight < 0) tipOffset.left = tipOffset.left + offsetRight;
                if (tipOffset.top < 0) tipOffset.top = 0;
                if (tipOffset.left < 0) tipOffset.left = 0;
                return tip.offset(tipOffset);
            };

            Tour.prototype._scrollIntoView = function(tip) {
                var tipRect;
                tipRect = tip.get(0).getBoundingClientRect();
                if (!(tipRect.top > 0 && tipRect.bottom < $(window).height() && tipRect.left > 0 && tipRect.right < $(window).width())) {
                    return tip.get(0).scrollIntoView(true);
                }
            };

            Tour.prototype._onresize = function(cb, timeout) {
                return $(window).resize(function() {
                    clearTimeout(timeout);
                    return timeout = setTimeout(cb, 100);
                });
            };

            Tour.prototype._setupKeyboardNavigation = function() {
                var _this = this;
                if (this._options.keyboard) {
                    return $(document).on("keyup.bootstrap-tour", function(e) {
                        if (!e.which) return;
                        switch (e.which) {
                            case 39:
                                e.preventDefault();
                                if (_this._current < _this._steps.length - 1) return _this.next();
                                break;
                            case 37:
                                e.preventDefault();
                                if (_this._current > 0) return _this.prev();
                        }
                    });
                }
            };

            return Tour;

        })();
        return window.Tour = Tour;
    })(jQuery, window);

}).call(this);