import { FileUtils, FileVo } from '../../utils/FileUtils';
import { Paths } from '../../utils/Paths';
import { PluginVo } from './PluginVo';
import { Property } from './Property';
import { SelectItemProperty } from './SelectItemProperty';
const fs = require('fs');
export class PluginDecoder {
    //缓存插件
    private static _cachePlugins: any               = {};
    //初始化插件系统解析
    static initalize(complete: Function, thisObject: any): void {
        FileUtils.getDirectionListAsync(Paths.PATH_BASE_PLUGINS, (list: FileVo[]) => {
            var nums: number                        = 0;
            var plugins: PluginVo[]                 = [];
            for (var i: number = 0, l: number       = list.length; i < l; i++) {
                var fileVo: FileVo                  = list[i];
                let pluginVo: PluginVo              = new PluginVo();
                pluginVo.nativePath                 = fileVo.url;
                pluginVo.name                       = fileVo.fileName;
                //检测插件是否有配置文件，如果有，则解析，否则不解析
                FileUtils.exists(pluginVo.nativePath + "/" + "config.json", (ret) => {
                    if (ret) {
                        fs.readFile(pluginVo.nativePath + "/" + "config.json", function (err, data) {
                            if (err)
                                throw err;
                            var jsonObj             = JSON.parse(data);
                            var base: any           = jsonObj.base;
                            pluginVo.author         = base.author;
                            pluginVo.dependencies   = base.dependencies;
                            pluginVo.description    = base.description;
                            pluginVo.homepage       = base.homepage;
                            pluginVo.icon           = base.icon;
                            pluginVo.main           = base.main;
                            pluginVo.name           = base.name;
                            pluginVo.title          = base.title;
                            pluginVo.toggle         = base.toggle;
                            pluginVo.version        = base.version;
                            
                            pluginVo.properties     = [];
                            var properties: any[]   = jsonObj.properties;
                            for (var j: number = 0, jl: number = properties.length; j < jl; j++){
                                var propertyData: any   = properties[j];
                                var property: Property  = new Property();
                                property.name           = propertyData.name;
                                property.label          = propertyData.label;
                                property.value          = propertyData.value;
                                property.editType       = propertyData.editType;
                                property.restrict       = propertyData.restrict;
                                property.description    = propertyData.description;
                                property.selects        = [];
                                if (propertyData.selects) {
                                    for (var k: number = 0, kl: number = propertyData.selects.length; k < kl; k++){
                                        var propertySelectItem: any                 = propertyData.selects[k];
                                        var selectItemProperty: SelectItemProperty  = new SelectItemProperty();
                                        selectItemProperty.label                    = propertySelectItem.label;
                                        selectItemProperty.value                    = propertySelectItem.value;
                                        propertyData.selects[k]                     = selectItemProperty;
                                    }
                                }
                                pluginVo.properties[j] = property;
                            }
                            plugins.push(pluginVo);
                            PluginDecoder._cachePlugins[pluginVo.name] = pluginVo;
                            nums++;
                            if (nums == l) {
                                plugins.sort();
                                complete.apply(thisObject, [plugins]);
                            }
                        });
                    } else {
                        nums++;
                        if (nums == l) {
                            complete.apply(thisObject, [plugins]);
                        }
                    }
                });
            }
        }, this);
    }

    static getPlugin(name: string): PluginVo{
        return this._cachePlugins[name];
    }
}