import { batteryInfo } from '@kit.BasicServicesKit';

@Entry
@Component
struct Index {
  @State capacity: number = 0;
  @State charge: string = "";
  @State health: string = "";

  @Builder descriptionBuilder() {
    Text('当前电量')
      .maxFontSize('30sp')
      .minFontSize("10.0vp")
      .fontColor("#fffa2a2d")
      .fontWeight(FontWeight.Medium)
      .width('100%')
      .height("100%")
      .textAlign(TextAlign.Center)
  }

  build() {
    Navigation() {
      Column({ space: 10 }) {
        Gauge({ value: this.capacity, min: 1, max: 100 }) {
          Column() {
            Text(`${this.capacity}`)
              .fontWeight(FontWeight.Medium)
              .width('62%')
              .fontColor("#ff182431")
              .maxFontSize("60.0vp")
              .minFontSize("30.0vp")
              .textAlign(TextAlign.Center)
              .margin({ top: '35%' })
              .textOverflow({ overflow: TextOverflow.Ellipsis })
              .maxLines(1)
          }.width('100%').height('100%')
        }
        .startAngle(210)
        .endAngle(150)
        .colors(new LinearGradient([{ color: "#e84026", offset: 0 },
          { color: "#f7ce00", offset: 0.6 },
          { color: "#64bb5c", offset: 1 }]))
        .width('80%')
        .height('60%')
        .strokeWidth(18)
        .trackShadow({ radius: 7, offsetX: 7, offsetY: 7 })
        .description(this.descriptionBuilder)
        .padding(18)
        List() {
          ListItem() {
            Row() {
              Text('充电状态')
                .fontSize(14)
              Text(this.charge)
                .fontSize(14)
            }
            .width('100%')
            .padding(12)
            .justifyContent(FlexAlign.SpaceBetween)
          }
          ListItem() {
            Row() {
              Text('健康状态')
                .fontSize(14)
              Text(this.health)
                .fontSize(14)
            }
            .width('100%')
            .padding(12)
            .justifyContent(FlexAlign.SpaceBetween)
          }
        }
        .width('80%')
        .padding(18)
        .divider({
          strokeWidth: 1,
          color: 0xdfdfdf
        })

        Button('刷新')
          .fontSize(16)
          .onClick(() => {
            this.getBatteryInfo();
          })
      }
      .width('100%')
      .height('100%')
    }
    .height('100%')
    .width('100%')
    .title("电池")
    .hideBackButton(true)
    .hideToolBar(true)
  }

  aboutToAppear(): void {
    this.getBatteryInfo();
  }

  getBatteryInfo() {
    this.capacity = batteryInfo.batterySOC;
    switch (batteryInfo.chargingStatus) {
      case batteryInfo.BatteryChargeState.ENABLE:
        this.charge = "正在充电";
        break;
      case batteryInfo.BatteryChargeState.FULL:
        this.charge = "电量已充满";
        break;
      default :
        this.charge = "停止充电";
    }
    switch (batteryInfo.healthStatus) {
      case batteryInfo.BatteryHealthState.GOOD:
        this.health = "正常";
        break;
      case batteryInfo.BatteryHealthState.OVERHEAT:
        this.health = "过热";
        break;
      case batteryInfo.BatteryHealthState.OVERVOLTAGE:
        this.health = "过压";
        break;
      case batteryInfo.BatteryHealthState.COLD:
        this.health = "低温";
        break;
      case batteryInfo.BatteryHealthState.DEAD:
        this.health = "僵死";
        break;
      default :
        this.health = "未知";
    }
  }
}
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