import Vue from 'vue';

/*
 * functions - general functions use on all sites
 * Version: 0.2
 */

var vue_environment;

/*
 * AJAX all forms
 */

window.submitForm = function(form) {
    'use strict';

    $(document).on('submit', form, function (e) {
        var form_cache = $(this),
            form_data = new FormData(form_cache[0]), // JQuery serialize() doesn't handle file uploads.
            action = form_cache.attr('action'),
            submit_button = form_cache.find('[type="submit"]'),
            errors,
            errorField,
            offset;

        e.preventDefault();

        form_data.append('ajax', 1);

        // stop button from being clickable
        form_cache.addClass('submitting');
        submit_button.attr('disabled', 'disabled');

        // remove any existing instances of .successMessage - prevents multiple success messages
        $('.successMessage').remove();

        $.ajax({
            type: 'post',
            url: action,
            processData: false, // Important for FormData file uploads.
            contentType: false, // Important for FormData file uploads.
            data: form_data,
            context: form_cache,
            success: function (response) {

                if (typeof response !== 'object') {
                    response = $.parseJSON(response);
                }

                // cache form within success
                form_cache = $(this);

                // remove traces of errors so form can be updated on a subsequent submit
                form_cache.find('.row').removeClass('errorWrap');
                form_cache.find('.validationMessage').remove();
                form_cache.find('.error').remove();
                form_cache.prev('.success').remove();

                if (!response) {
                    return;
                }

                // if errors add these to the dom
                if (typeof response.errors === 'object' && !$.isEmptyObject(response.errors)) {

                    // add errors to relevant fields
                    $.each(response.errors, function (name, message) {
                        // cache fields with errors
                        var error_field = form_cache.find('input[name="' + name + '"], textarea[name="' + name + '"], select[name="' + name + '"]'),
                            error_field_row = error_field.parents('.row');

                        // check if error corresponds to an input field
                        if (error_field.length > 0) {
                            // added error class to input wrap
                            error_field_row.addClass('errorWrap');

                            error_field.on('keyup change', function () {
                                if ($.trim($(this).val()).length > 0 || $.trim($(this).val()) !== '') {
                                    error_field_row.removeClass('errorWrap');
                                } else {
                                    error_field_row.addClass('errorWrap');
                                }
                            });

                            // add validation message to the dom
                            if (error_field.parents('.buttonInline').length > 0) {
                                error_field.parent('.inputWrap').next('button').after('<div class="validationMessage"><span>' + message + '</span></div>');
                            } else {
                                error_field.parent('.inputWrap').after('<div class="validationMessage"><span>' + message + '</span></div>');
                            }

                        // add error to dom before form
                        } else {

                            // check if ther is an error ul already in the dom - if not add one
                            if (!$('.error ul').length > 0) {
                                form_cache.prepend('<div class="error"><ul></ul></div>');
                            }

                            form_cache.find('.error ul').prepend('<li>' + message + '</li>');

                        }

                    });

                    // scroll to first error
                    offset = form_cache.find('.errorWrap, .error').eq(0).offset();
                    $('html, body').stop(true, true).delay(200).animate({
                        scrollTop: offset.top - 100
                    }, 1000);

                    // remove disabled from button if errors on page
                    submit_button.removeAttr('disabled');

                    if ($('.overlayBoxOuter').length > 0) {
                        $(window).trigger('resize.overlay');
                    }

                    return;

                // if success then move on
                }

                if (typeof response.success === 'object' && !$.isEmptyObject(response.success)) {

                    if (response.success.redirect) {
                        $(location).attr('href', response.success.redirect);
                        return;
                    }
                    // add a success message div then put all the content in this
                    form_cache.before('<div class="successMessage" />');

                    // prepend title if exists
                    if (response.success.title) {
                        $('.successMessage').append(response.success.title);
                    }
                    $('.successMessage').append('<div class="message">' + response.success.message + '</div>');

                    if ($('.removeAfterSubmit').length) {
                        $('.removeAfterSubmit').remove();
                    }

                    if (response.success.hide_form) {
                        form_cache.fadeOut();
                    }

                    // scroll to success message
                    offset = $('.successMessage').offset();
                    $('html, body').stop(true, true).delay(200).animate({
                        scrollTop: offset.top - 100
                    }, 1000);

                    // remove disabled from button if errors on page
                    form_cache.find('[type="submit"]').removeAttr('disabled');

                    if ($('.overlayBoxOuter').length > 0) {
                        $(window).trigger('resize.overlay');
                    }
                }
            },
            error: function (jqXHR, textStatus, errorThrown) {
                // remove disabled from button if errors on page
                submit_button.removeAttr('disabled');
            }
        });

    });
}

/*
 * Get breakpoints from css
 */

function getBreakpoint() {
    'use strict';

    // set some vars
    var style = null,
        breakpoint = [],
        breakpoints = [],
        i;

    /*
     * Use the js function getComputedStyle() to grab the styles of pseudo elements
     */
    style = window.getComputedStyle(document.documentElement, ':before');

    // split breakpoints into array
    style = style.content.replace(/\,\s+/g, ',').split(',');

    // split each breakpoint into array
    $.each(style, function () {
        // remove px from value and split each value into breakpoint name and number
        breakpoint = this.replace(': ', ':').replace('px', '').replace('\'', '').replace('"', '').split(':');

        // build array with breakpoint name as key and number as value
        for (i = 0; i < breakpoint.length; i++) {
            breakpoints[breakpoint[0]] = parseInt(breakpoint[1], 10);
        }
    });

    // return breakpoints
    return breakpoints;
}

/*
 * Debounce
 */

window.debouncer = function debouncer(func, timeout) {
    'use strict';

    var timeoutID;
    timeout = timeout || 200;

    return function () {
        var scope = this,
            args = arguments;

        clearTimeout(timeoutID);

        timeoutID = setTimeout(function () {
            func.apply(scope, Array.prototype.slice.call(args));
        }, timeout);
    };
};

/*
 * Sticky Bottom
 */

window.stickyBottom = function() {
    'use strict';

    // lets grab height of the footer
    var footerHeight = $('.footerWrap').outerHeight();

    if (matchesMediaQuery(0, window.breakpoints.mobile)) {

        $('.stickyFooter').css({
            paddingBottom: 0
        });

        $('.siteWrapper').removeClass('stickyFooter');

    } else {
        $('.siteWrapper').addClass('stickyFooter');

        // then apply it as a padding so no content is hidden
        $('.stickyFooter').css({
            'padding-bottom': footerHeight
        });
    }

}

/*
 * Returns whether a given media query is true
 * Params: (0, 800) checks if browser width is 800 or below; (801) or (801,0) checks if browser width is 801 or above
 * Alternatively, one or both arguments can be strings, such as "mobile" or "tablet" (from window.breakpoints)
 * in this case the min_width value will automatically have 1 added to it
 */

window.matchesMediaQuery = function(min_width, max_width) {
    'use strict';

    // check if matchMedia is supported
    if (!window.matchMedia) {
        return false;
    }

    // If strings any strings are supplied, grab that breakpoint from window.breakpoints
    // e.g. "mobile" grabs window.breakpoints.mobile
    if (typeof min_width === "string") {
        if (window.breakpoints.hasOwnProperty(min_width)) {
            min_width = window.breakpoints[min_width] + 1;
        } else {
            return false;
        }
    }
    if (typeof max_width === "string" ) {
        if (window.breakpoints.hasOwnProperty(max_width)) {
            max_width = window.breakpoints[max_width];
        } else {
            return false;
        }
    }

    // check which arguments are set
    var max_is_set = true,
        min_is_set = true;

    if ((min_width === undefined || min_width === 0)) {
        min_is_set = false;
    }
    if ((max_width === undefined || max_width === 0)) {
        max_is_set = false;
    }

    // perform the relevant media query based on which arguments have been supplied
    if (max_is_set && !min_is_set) {
        return window.matchMedia('(max-width: ' + max_width + 'px)').matches;
    } else if (!max_is_set && min_is_set) {
        return window.matchMedia('(min-width: ' + min_width + 'px)').matches;
    } else if (max_is_set && min_is_set) {
        return window.matchMedia('(min-width: ' + min_width + 'px) and (max-width: ' + max_width + 'px)').matches;
    } else {
        return false;
    }
}

/*
 * Slide Fade Toggle
 */

$.fn.slideFadeToggle  = function (speed, easing, callback) {
    'use strict';

    return this.animate({
        opacity: 'toggle',
        height: 'toggle',
        padding: 'toggle auto',
        margin: 'toggle auto'
    }, speed, easing, callback);
};

/*
 * Scroll Page Function
 * Works on anchors and form elements
 */

$.fn.scrollPage = function (options, callback) {
    'use strict';

    var target = this,
        defaults = {
            // browser check to use appropriate element
            scroll: 'html, body',
            speed: 500,
            easing: 'linear',
            scroll_offset: 0,
            event_handler: 'click'
        },
        settings = $.extend({}, defaults, options);

    return target.on(settings.event_handler, function (e) {
        var $this = $(this),
            href = $this.attr('href');
        // change href to value if event_handler is change
        if (settings.event_handler === 'change') {
            href = $this.val();
        }

        // if the href has a # scroll to act as it if wasn't even here
        if ($(href).length && href.indexOf('#') > - 1) {
            // prevent default only if needed
            e.preventDefault();

            $(settings.scroll)
                .stop(true, true)
                .animate({

                    scrollTop: $(href).offset().top + settings.scroll_offset

                }, settings.speed, settings.easing)
                .promise()
                .then(function () {

                    if (typeof callback === 'function') {
                        callback();
                    }

                });
        }
    });
};

/*
 * File Upload
 */

window.fileUpload = function() {

    // .js_fileUpload = input field
    $('.js_fileUpload').on('change', function () {
        var input_field = $(this),
            files = input_field.get(0).files,
            filename = '',
            filename_field = '.js_fileName';

        $(this).parent().removeClass('errorWrap');

        // remove previous filename
        input_field.parent().find(filename_field).empty();

        // foreach file within file object
        $(files).each(function () {
            // get filename from object
            filename = $(this).get(0).name;

            // append filename within span to DOM
            input_field.parent().find(filename_field).append('<span>' + filename + '</span>');
        });
    });

}



/*
* Load recaptcha
 */
window.recaptchaInit = function() {

    'use strict';

    if(!$('body').hasClass('recaptchaActive')) {
        $('.js_contactForm button[type="submit"], .newsletterForm button[type="submit"]').attr('disabled', true);
    }

    if( ( $(window).scrollTop() > 10 && !$('body').hasClass('recaptchaActive') ) || $('.js_contactForm').length) {

        $('body').addClass('recaptchaActive');

        var apiKey = '6LcoU44nAAAAABNyyxY2tb2-XEDWcO0nGRcC05_H';
        var head = document.getElementsByTagName('head')[0];
        var script = document.createElement('script');
        script.type = 'text/javascript';
        script.onload = function() {

            grecaptcha.ready(function() {

                var captcha1 = document.getElementById('recaptcha');
                var captcha2 = document.getElementById('recaptcha2');

                grecaptcha.execute(apiKey, {action: 'contact'}).then(function (token) {

                    if (token && (captcha1 || captcha2)) {

                        if(captcha1) {
                            captcha1.value = token;
                        }
                        if(captcha2) {
                            captcha2.value = token;
                        }
                    }
                });
            });

            $('.js_contactForm button[type="submit"], .newsletterForm button[type="submit"]').attr('disabled', false);
        };
        script.src = "https://www.google.com/recaptcha/api.js?render=" + apiKey;
        head.appendChild(script);

    }


}

//Update the recaptcha when the form is submitted
window.recaptchaUpdate = function(cb) {

    'use strict';

    if($('body').hasClass('recaptchaActive')) {

        var apiKey = '6LcoU44nAAAAABNyyxY2tb2-XEDWcO0nGRcC05_H';

        if(typeof grecaptcha != 'undefined') {
            grecaptcha.ready(function () {

                var captcha1 = document.getElementById('recaptcha');
                var captcha2 = document.getElementById('recaptcha2');

                grecaptcha.execute(apiKey, {action: 'contact'}).then(function (token) {

                    if (token && (captcha1 || captcha2)) {

                        if (captcha1) {
                            captcha1.value = token;
                        }
                        if (captcha2) {
                            captcha2.value = token;
                        }
                    }

                    cb(token);

                });
            });
        }

    }else{
        cb(false);
    }


}

$(document).ready(function () {

/*
 * force strict mode
 */

    'use strict';

/*
 * Set initial window width on document ready
 */

    window.windowWidth = $(window).outerWidth();

/*
 * Set window breakpoints variable
 * call by using window.breakpoints.BREAKPOINT_NAME
 */
    window.breakpoints = getBreakpoint();


    if($('body').hasClass('hasRecaptcha')) {
        window.recaptchaInit();
    }

});


