import { readFileSync } from 'fs';
import { join } from 'path';
import { resolvePkg } from '@fesjs/utils';

const namespace = 'plugin-monaco-editor';

export default (api) => {
    const {
        utils: { Mustache }
    } = api;

    api.describe({
        key: 'monacoEditor',
        config: {
            schema(joi) {
                return joi.object().keys({
                    filename: joi.string(),
                    publicPath: joi.string(),
                    languages: joi.array(),
                    features: joi.array(),
                    globalAPI: joi.boolean()
                });
            }
        },
        default: {
        }
    });

    const absoluteFilePath = join(namespace, 'core.js');

    const absRuntimeFilePath = join(namespace, 'runtime.js');

    const absLoaderFilePath = join(namespace, 'loader.js');
    const absEditorFilePath = join(namespace, 'editor.vue');

    api.onGenerateFiles(() => {
        // 文件写出
        api.writeTmpFile({
            path: absoluteFilePath,
            content: Mustache.render(
                readFileSync(join(__dirname, 'runtime/core.tpl'), 'utf-8'),
                {
                }
            )
        });

        api.writeTmpFile({
            path: absRuntimeFilePath,
            content: Mustache.render(
                readFileSync(join(__dirname, 'runtime/runtime.tpl'), 'utf-8')
            )
        });

        api.writeTmpFile({
            path: absLoaderFilePath,
            content: Mustache.render(
                readFileSync(join(__dirname, 'runtime/loader.tpl'), 'utf-8'),
                {
                    MONACO_EDITOR: resolvePkg('monaco-editor')
                }
            )
        });

        api.writeTmpFile({
            path: absEditorFilePath,
            content: Mustache.render(
                readFileSync(join(__dirname, 'runtime/editor.tpl'), 'utf-8'),
                {
                    LODASH_ES: resolvePkg('lodash-es')
                }
            )
        });

        api.copyTmpFiles({
            namespace,
            path: join(__dirname, 'runtime'),
            ignore: ['.tpl']
        });
    });

    api.addPluginExports(() => [
        {
            specifiers: ['monaco', 'MonacoEditor'],
            source: absoluteFilePath
        }
    ]);

    api.addRuntimePluginKey(() => 'monacoEditor');

    api.addRuntimePlugin(() => `@@/${absRuntimeFilePath}`);

    api.chainWebpack((webpackConfig) => {
        webpackConfig
            .plugin('monaco-editor')
            .use(require('monaco-editor-webpack-plugin'), [
                api.config?.monacoEditor || {}
            ]);
        return webpackConfig;
    });
};