import promptAction from '@ohos.promptAction';
import { BusinessError, deviceInfo } from '@kit.BasicServicesKit';
import { HashMap } from '@kit.ArkTS';
import { DeviceInfo } from '../bean/DeviceInfo';
import { common } from '@kit.AbilityKit';
import { md5_hex } from '../util/md5';

export interface Btn {
  text?: string | Resource;
  color?: string | Resource;
  onClick?: () => void
}

export interface AlertOptions {
  title?: string
  msg?: string
  action?: Btn
}

export interface ConfirmOptions {
  title?: string
  msg?: string
  confirm?: Btn
  cancel?: Btn
}

export interface ListOptions<T> {
  title?: string
  cancel?: Btn
  values: Array<T>
  onSelected: (index: number, value: T) => void
  onError?: (msg: string) => void
}

interface ListItem {
  content: string
}

@Builder
function customDialogBuilder<T>(option: ListOptions<T>, dialogId: number) {

  Column() {
    Text(option.title)
      .fontSize(13)
      .textAlign(TextAlign.Center)
      .width('60%')
      .maxLines(2)
      .ellipsisMode(EllipsisMode.END)
      .textOverflow({
        overflow: TextOverflow.Ellipsis
      })
      .visibility(option.title ? Visibility.Visible : Visibility.None)
    List({ space: 20, initialIndex: 0 }) {
      ForEach(option.values, (item: T, index: number) => {
        ListItem() {
          Text(typeof item === "string" ? item : (item as ListItem).content)
            .width('100%')
            .fontSize(16)
            .textAlign(TextAlign.Center)
            .onClick(() => {
              if (ToolsHelper.mapDialog.get(dialogId)) {
                promptAction.closeCustomDialog(ToolsHelper.mapDialog.get(dialogId))
                ToolsHelper.mapDialog.remove(dialogId)
              }
              option.onSelected(index, item)
            })
        }
      }, (item: string) => item)
    }
    .listDirection(Axis.Vertical) // 排列方向
    .scrollBar(BarState.Off)
    .friction(0.6)
    .divider({
      strokeWidth: 1,
      color: 0xEEEEEE,
      startMargin: 20,
      endMargin: 20
    }) // 每行之间的分界线
    .edgeEffect(EdgeEffect.Spring) // 边缘效果设置为Spring
    .width('100%')
    .height(option.values.length < 8 ? `${option.values.length / 16 * 100}%` : '50%')
    .margin({ top: 20 })
  }
  .padding({
    top: 20,
    bottom: 20,
    left: 20,
    right: 20
  })
}

interface ThrottleInterface {
  startTime: number; //调用的时间
  timeoutNumber: number; //setTimeout的句柄
}


/**
 * 常用方法
 */
export class ToolsHelper {
  /**
   * 弹出Toast
   * @param msg
   */
  static log(...args: ESObject[]) {
    const k = ToolsHelper.getStackKey()?.split('/')
    console.log(`========>${k ? k[k.length-1].split('.')[0] : ''}::`, args, '\n')
  }

  /**
   * 弹出Toast
   * @param msg
   */
  static showMessage(msg: string) {
    console.info(msg);
    promptAction.showToast({
      message: msg,
      duration: 1500
    });
  }


  private static oTime: number = 0

  /**
   * 双击退出
   * @param msg
   */
  static doubleAndExit(event?: () => void) {
    const cTime = new Date().getTime()
    console.log('=====>', cTime)
    console.log('=====>', cTime - ToolsHelper.oTime)
    if (cTime - ToolsHelper.oTime > 800) {
      ToolsHelper.oTime = cTime
      ToolsHelper.showMessage('双击退出')
    } else {
      if (event) {
        event()
      } else {
        (getContext() as common.UIAbilityContext).terminateSelf()
        // getContext().getApplicationContext().killAllProcesses();
      }
    }
    return true
  }

  /**kio9
   * 弹出Alert弹窗
   * @param options
   */
  static showAlertDialog(
    title?: string,
    msg?: string,
    action?: Btn) {
    try {
      promptAction.showDialog({
        alignment: 1,
        title: title,
        message: msg,
        buttons: [{
          text: action?.text ?? "确定",
          color: action?.color ?? "#000000",
        }]
      })
        .then(() => {
          action?.onClick && action?.onClick()
        })
        .catch((err: Error) => {
          ToolsHelper.showMessage(err.message)
        })
    } catch (error) {
      let message = (error as BusinessError).message
      ToolsHelper.showMessage(message)
    }
  }

  /**
   * 弹出Confirm弹窗
   * @param options
   */
  static showConfirmDialog(options: ConfirmOptions) {
    try {
      promptAction.showDialog({
        alignment: 1,
        title: options.title,
        message: options.msg,
        buttons: [{
          text: options.confirm?.text ?? "确定",
          color: options.confirm?.color ?? "#000000",
        }, {
          text: options.cancel?.text ?? "取消",
          color: options.cancel?.color ?? "#666666",
        }]
      })
        .then((data) => {
          if (data.index === 0) {
            options.confirm?.onClick && options.confirm.onClick()
          } else {
            options.cancel?.onClick && options.cancel.onClick()
          }
        })
        .catch((err: Error) => {
          ToolsHelper.showMessage(err.message)
        })
    } catch (error) {
      let message = (error as BusinessError).message
      ToolsHelper.showMessage(message)
    }
  }

  public static mapDialog = new HashMap<number, number>()

  /**
   * 弹出List弹窗
   * @param options values 如果是非string列表的话，需要存在content字段
   */
  static showListDialog<T = string>(options: ListOptions<T>, p: object) {

    let isSuccess: Array<number> = []
    options.values.forEach((item, index) => {
      if (typeof item !== 'string') {
        if (!(item as ListItem).content) {
          isSuccess.push(index)
        }
      }
    })
    if (isSuccess.length > 0) {
      options.onError && options.onError(`第(${isSuccess.join("、")})个数据中，没有content字段。`)
    } else {
      const dialogTag = new Date().getTime()
      promptAction.openCustomDialog({
        alignment: 1,
        builder: customDialogBuilder.bind(p, options, dialogTag)
      }).then((dialogId: number) => {
        ToolsHelper.mapDialog.set(dialogTag, dialogId)
      })
    }
  }

  /**
   * 弹出自定义弹窗
   * @param alignment  弹窗在竖直方向上的对齐方式
   */
  static showCustomDialog(b: CustomBuilder, alignment?: DialogAlignment) {
    const dialogTag = new Date().getTime()
    promptAction.openCustomDialog({
      alignment: alignment ?? DialogAlignment.Center,
      builder: b
    }).then((dialogId: number) => {
      ToolsHelper.mapDialog.set(dialogTag, dialogId)
    }).catch((error: Error) => {
      console.log('>>>>>', JSON.stringify(error))
    })
  }

  /**
   * 获取调用栈第一个类
   */
  static getStackKey() {
    let stack = new Error().stack
    if (stack) {
      let list = JSON.stringify(stack).split('\\n')
      let a = list[list.length-2].split(':')[0].split('(')[1]
      return a
    }
    return undefined
  }

  private static deviceInfo: DeviceInfo

  /**
   * 获取设备信息
   * @returns {@link DeviceInfo}
   */
  static getDeviceInfo() {
    if (!ToolsHelper.deviceInfo) {
      ToolsHelper.deviceInfo = new DeviceInfo()
      ToolsHelper.deviceInfo.ODID = deviceInfo.ODID
      ToolsHelper.deviceInfo.manufacture = deviceInfo.manufacture
      ToolsHelper.deviceInfo.brand = deviceInfo.brand
      ToolsHelper.deviceInfo.osFullName = deviceInfo.osFullName
    }
    return ToolsHelper.deviceInfo
  }

  /**
   * 防抖动函数，调用后会延迟wait时间执行，当在wait时间内再次对同一函数调用，则会取消之前的定时器，重新定时
   * @param fun
   * @param wait
   */
  static debounceHold(fun: Function, wait: number = 1500) {
    let funcValue1 = ToolsHelper.getUniqueId(fun)
    let hash = md5_hex(funcValue1)
    if (ToolsHelper.setTimeOutMap.get(hash)) {
      clearTimeout(ToolsHelper.setTimeOutMap.get(hash)?.timeoutNumber)
      ToolsHelper.setTimeOutMap.delete(hash)
    }
    // ToolsHelper.checkTimeOutNumber()
    let timeoutNumber = setTimeout(() => {
      ToolsHelper.setTimeOutMap.get(hash) && clearTimeout(ToolsHelper.setTimeOutMap.get(hash)?.timeoutNumber)
      ToolsHelper.setTimeOutMap.delete(hash)
      // 执行函数调用
      fun()
    }, wait)

    ToolsHelper.setTimeOutMap.set(hash, {
      timeoutNumber: timeoutNumber,
      startTime: new Date().getTime(),
    })

  }

  private static setTimeOutMap: Map<string, ThrottleInterface> = new Map()
  private static uniqueIdMap = new WeakMap<Function, string>();

  private static getUuid() {
    return 'xxxxxxxx-xxxx-4xxx-yxxx-xxxxxxxxxxxx'.replace(/[xy]/g, (c) => {
      let r = (Math.random() * 16) | 0, v = c == 'x' ? r : (r & 0x3) | 0x8;
      return v.toString(16);
    });
  }

  private static getUniqueId(fun: Function): string {
    if (!ToolsHelper.uniqueIdMap.has(fun)) {
      ToolsHelper.uniqueIdMap.set(fun, ToolsHelper.getUuid());
    }
    return ToolsHelper.uniqueIdMap.get(fun)!;
  }
}