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import {

BuiltinSimulatorHost,

Project as InnerProject,

PropsReducer as PropsTransducer,

TransformStage,

} from '@alilc/lowcode-designer';

import { RootSchema, ProjectSchema } from '@alilc/lowcode-types';

import DocumentModel from './document-model';

import SimulatorHost from './simulator-host';

import { projectSymbol, simulatorHostSymbol, simulatorRendererSymbol, documentSymbol } from './symbols';

export default class Project {

private readonly [projectSymbol]: InnerProject;

private [simulatorHostSymbol]: BuiltinSimulatorHost;

private [simulatorRendererSymbol]: any;

constructor(project: InnerProject) {

this[projectSymbol] = project;

}

static create(project: InnerProject) {

return new Project(project);

}

/**

* 获取当前的 document

* @returns

*/

get currentDocument(): DocumentModel | null {

return this.getCurrentDocument();

}

/**

* 获取当前 project 下所有 documents

* @returns

*/

get documents(): DocumentModel[] {

return this[projectSymbol].documents.map((doc) => DocumentModel.create(doc)!);

}

/**

* 获取模拟器的 host

*/

get simulatorHost() {

return SimulatorHost.create(this[projectSymbol].simulator as any || this[simulatorHostSymbol]);

}

/**

* @deprecated use .simulatorHost instead.

*/

get simulator() {

return this.simulatorHost;

}

/**

* 打开一个 document

* @param doc

* @returns

*/

openDocument(doc?: string | RootSchema | undefined) {

const documentModel = this[projectSymbol].open(doc);

if (!documentModel) return null;

return DocumentModel.create(documentModel);

}

/**

* 创建一个 document

* @param data

* @returns

*/

createDocument(data?: RootSchema): DocumentModel | null {

const doc = this[projectSymbol].createDocument(data);

return DocumentModel.create(doc);

}

/**

* 删除一个 document

* @param doc

*/

removeDocument(doc: DocumentModel) {

this[projectSymbol].removeDocument(doc[documentSymbol]);

}

/**

* 根据 fileName 获取 document

* @param fileName

* @returns

*/

getDocumentByFileName(fileName: string): DocumentModel | null {

return DocumentModel.create(this[projectSymbol].getDocumentByFileName(fileName));

}

/**

* 根据 id 获取 document

* @param id

* @returns

*/

getDocumentById(id: string): DocumentModel | null {

return DocumentModel.create(this[projectSymbol].getDocument(id));

}

/**

* 导出 project

* @returns

*/

exportSchema() {

return this[projectSymbol].getSchema();

}

/**

* 导入 project

* @param schema 待导入的 project 数据

*/

importSchema(schema?: ProjectSchema) {

this[projectSymbol].load(schema, true);

}

/**

* 获取当前的 document

* @returns

*/

getCurrentDocument(): DocumentModel | null {

return DocumentModel.create(this[projectSymbol].currentDocument);

}

/**

* 增加一个属性的管道处理函数

* @param transducer

* @param stage

*/

addPropsTransducer(transducer: PropsTransducer, stage: TransformStage) {

this[projectSymbol].designer.addPropsReducer(transducer, stage);

}

/**

* 当前 project 内的 document 变更事件

*/

onChangeDocument(fn: (doc: DocumentModel) => void) {

if (this[projectSymbol].currentDocument) {

fn(DocumentModel.create(this[projectSymbol].currentDocument)!);

return () => {};

}

return this[projectSymbol].onCurrentDocumentChange((originalDoc) => {

fn(DocumentModel.create(originalDoc)!);

});

}

/**

* 当前 project 的模拟器 ready 事件

*/

onSimulatorHostReady(fn: (host: SimulatorHost) => void) {

if (this[simulatorHostSymbol]) {

fn(SimulatorHost.create(this[simulatorHostSymbol])!);

return () => {};

}

return this[projectSymbol].onSimulatorReady((simulator: BuiltinSimulatorHost) => {

this[simulatorHostSymbol] = simulator;

fn(SimulatorHost.create(simulator)!);

});

}

/**

* 当前 project 的渲染器 ready 事件

*/

onSimulatorRendererReady(fn: () => void) {

if (this[simulatorRendererSymbol]) {

fn();

return () => {};

}

// TODO: 补充 renderer 实例

return this[projectSymbol].onRendererReady((renderer: any) => {

this[simulatorRendererSymbol] = renderer;

fn();

});

}

}