var gulp = require('gulp');
var gulpDocumentation = require('gulp-documentation');
var jsonTransform = require("gulp-json-transform");

gulp.task('documentation', function () {
    // Generating README documentation 
    //return gulp.src(desktopBasePath + 'Sandbox/Guy/web-app/**/*.js')
    return gulp.src('./dotnet/websiteDesktop/app/js/controllers/**/*.js')
    // return gulp.src('./dist/json-documentation/API.json')
        .pipe(gulpDocumentation('json', {filename: 'componentLibrary1.json'}))
        .pipe(jsonTransform(function(data){

            //call some function to pivot the data
            function createTagsJSON(data){
                //make a new array of object
                var pivotedJsonTags= [] ;
                //loop through each data
                for (var i = 0; i < data.length ; i++) {
                    var tags = data[i].tags;
                    var obj = {};
                    //loop through each tag within the data
                    for (var k = 0; k < tags.length ; k++){
                        //make a new object
                        //make title the key
                        var title = tags[k].title;
                        var description = tags[k].description;
                        //make description the value
                        obj[title] = description;
                    }
                    //append the complete object to the json object
                    pivotedJsonTags.push(obj);
                }
                return pivotedJsonTags;
                // return data[0].tags;
            }
            
            var jsonTags = createTagsJSON(data); //array of the documentation text

            function createComponentLibraryJSON(jsonTags) {
                //loop through each array
                var obj = {};
                var arrayOfComponentType = [];
                var arrayOfComponentGroup = [];
                for (var i = 0; i < jsonTags.length; i++) {
                    //create array of objects with the same object type
                    //check to see if the array already exist with the component type 
                    //if not create a new array
                    var componentType = jsonTags[i].componentType;
                    var componentGroup = jsonTags[i].componentGroup;
                    if (arrayOfComponentType.indexOf(componentType) < 0) {
                        arrayOfComponentType.push(componentType);
                        // obj[componentType] = jsonTags[i];

                        obj[componentType] = {};
                        // if group is not created, create a group key 
                        if (arrayOfComponentGroup.indexOf(componentGroup) < 0) {
                            arrayOfComponentGroup.push(componentGroup);
                            obj[componentType][componentGroup] = [];
                            obj[componentType][componentGroup].push(jsonTags[i]);
                        } else {
                        //if group is created just push append it to the array
                            obj[componentType][componentGroup].push(jsonTags[i]);                            
                        }    
                        //obj[componentType].push(jsonTags[i]);
                    } else {
                        if (arrayOfComponentGroup.indexOf(componentGroup) < 0) {
                            arrayOfComponentGroup.push(componentGroup);
                            obj[componentType][componentGroup] = [];
                            obj[componentType][componentGroup].push(jsonTags[i]);
                        } else {
                            //if group is created just push append it to the array
                            obj[componentType][componentGroup].push(jsonTags[i]);
                        }    
                    }
                }
                //if component type doesn't exit create a new array of object with the component type name
                //push it into the array
                //return the array
                return obj;
            }

            var componentLibaryJSON = createComponentLibraryJSON(jsonTags);

            return {
                components: componentLibaryJSON
            };
        }))
        // .pipe(gulp.dest('./dist/json-documentation'));
        .pipe(gulp.dest('./dotnet/websitedesktop/app/handlebars/controllers/static/json'));
});