/*
 * Copyright (c) 2025 Huawei Device Co., Ltd.
 * 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.
 */
 
import { add, subtract } from "librust_add.so"

@Entry
@Component
struct Index {
  @State message: string = 'Hello Rust'

  build() {
    Row() {
      Column() {
        Text(this.message)
          .fontSize(50)
          .fontWeight(FontWeight.Bold)

        Button() {
          Text('10 + 20')
            .fontSize(20)
            .fontWeight(FontWeight.Bold)
        }.type(ButtonType.Capsule)
        .margin({ top: 20 })
        .backgroundColor('#0D9FFB')
        .width('35%')
        .height('5%')
        .onClick(()=>{
          this.message = "Result: " + add(10, 20);
        })

        Button() {
          Text('新增方法: 30 - 10')
            .fontSize(20)
            .fontWeight(FontWeight.Bold)
        }.type(ButtonType.Capsule)
        .margin({ top: 20 })
        .backgroundColor('#0D9FFB')
        .width('50%')
        .height('5%')
        .onClick(()=>{
          this.message = "Result: " + subtract(30, 10);
        })
      }
      .width('100%')
    }
    .height('100%')
  }
}