//
//   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.

/*global $:false */
/*global Mustache:false */
/*global window:false */
/*global document:false */
/*jslint devel: true*/
/* jshint -W097 */
/*jslint node: true */

'use strict';

var has_upper_case = function (str) {
    return (/[A-Z]/.test(str));
};

var capitaliseFirstLetter = function (string) {
    return string.charAt(0).toUpperCase() + string.slice(1);
};

// Get the value of a GET variable in the URL.
var getUrlParam = function(variable) {
    var searchString = window.location.search.substring(1);
    var searchVariables = searchString.split('&');
    for (var i = 0; i < searchVariables.length; i++) {
        var getVar = searchVariables[i].split('=');
        if (getVar[0] == variable) {
            return getVar[1];
        }
    }
}

// Function searches for test with specified test_id on github and opens result in new window
var get_code_url = function (test_id) {
    var id = test_id.split('/').join('.'),
        parts = id.split('.'),
        path_array = [],
        path,
        test,
        url;
    $(parts).each(function (i, part) {
        if (has_upper_case(part)) {return false; }
        path_array.push(part);
    });
    path_array.pop();
    path = path_array.join('/');
    test = parts.slice(-1)[0] + '(';
    test = test.replace(/\s+/g, '');
    path = path.replace(/\s+/g, '');
    url = 'https://api.github.com/search/code?q=' + test +
            ' repo:openstack/tempest extension:py path:' + path;
    $.when($.ajax({type: 'GET', url: url, dataType: 'json'})).done(
        function (data, status, xhr) {
            if (data.items.length < 1) {
                alert('No test found !');
            }
            var html_url = data.items[0].html_url;
            console.log(data.items[0].git_url);
            $.when($.ajax({type: 'GET', url: data.items[0].git_url, dataType: 'json'})).done(
                function (data, status, xhr) {
                    var content = window.atob(data.content.replace(/\s+/g, '')).split('\n');
                    content.forEach(function (line, i) {
                        if (line.indexOf(test) > -1) {
                            var github_url = html_url + '#L' + i.toString(),
                                win = window.open(github_url, '_blank');
                            win.focus();
                        }
                    });
                }
            );
        }
    );
};

// Function builds list of capabilities from json schema and applies filters to this list
var build_caps_list = function (data, filters) {
    var criteria_count = Object.keys(data.criteria).length,
        caps_dict = {'capabilities': {}},
        caps_list = {
            'release': data.release,
            'capabilities': [],
            'criteria_count': criteria_count,
            'global_test_list': [],
            "scope_tests_list": []
        };
    $.each(data.capabilities, function (id, capability) {
        capability.class = id.split('-')[0];
        capability.id = id;
        if (!(caps_dict.capabilities.hasOwnProperty(capability.class))) {
            caps_dict.capabilities[capability.class] = {
                'items': [],
                'total': 0
            };
        }
        capability.tests.forEach(function (test) {
            if (caps_list.global_test_list.indexOf(test) < 0) {
                caps_list.global_test_list.push(test);
            }
        });
        caps_dict.capabilities[capability.class].total += 1;
        if (filters.only_core === true && (capability.core !== true)) {return; }
        if (filters.admin_filter === 'admin' && (capability.admin !== true)) {return; }
        if (filters.admin_filter === 'noadmin' && (capability.admin === true)) {return; }
        capability.tests.forEach(function (test) {
            if (caps_list.scope_tests_list.indexOf(test) < 0) {
                caps_list.scope_tests_list.push(test);
            }
        });
        capability.achievements_count = capability.achievements.length;
        capability.tests_count = capability.tests.length;
        caps_dict.capabilities[capability.class].items.push(capability);
    });
    caps_list.scope_tests_count = caps_list.scope_tests_list.length;
    $.each(caps_dict.capabilities, function (class_id, cap_class) {
        if (cap_class.items.length === 0) {return; }
        caps_list.capabilities.push({
            'class': class_id,
            'items': cap_class.items,
            'count': cap_class.items.length,
            'total': cap_class.total
        });
    });
    return caps_list;
};

//Get admin and core filter values
var get_filters_local = function () {
    if (document.getElementById('only_core')) {
        window.only_core = document.getElementById('only_core').checked;
    } else {
        window.only_core = true;
    }
    if (document.getElementById('admin')) {
        window.admin_filter = document.getElementById('admin').value;
    } else {
        window.admin_filter = 'all';
    }
    return {only_core: window.only_core, admin_filter: window.admin_filter};
};

//Rendering page header
var render_header = function (data) {
    var template = $('#header_template').html();
    data.release = capitaliseFirstLetter(data.release);
    $("div#header").html(Mustache.render(template, data));
};

//Rendeirng capabilities list
var render_caps = function (data) {
    var filters = get_filters_local(),
        template = $('#capabilities_template').html(),
        caps_list = build_caps_list(data, filters),
        rendered = Mustache.render(template, caps_list);
    $("div#capabilities").html(rendered);
};

//Rendering criteria section
var render_criteria = function (data) {
    var template = $('#criteria_template').html(),
        crits = {'criteria': []};
    $.map(data.criteria, function (criterion, tag) {
        criterion.tag = tag;
        crits.criteria.push(criterion);
    });

    $("ul#criteria").html(Mustache.render(template, crits));
};

//Rendering page
var render_capabilities_page = function () {
    $.get('capabilities/havanacore.json').done(function (data) {
        render_caps(data);
        render_criteria(data);
        render_header(data);
    });
};

//Helper for toggling one item in list
var toggle_one_item = function (klass, id, postfix) {
    $('div.' + klass + '_' + postfix + ':not(div#' + id + '_' + postfix + ')').slideUp();
    $('div#' + id + '_' + postfix).slideToggle();
};