<template>
  <div class="form-druipart">
    <ion-list v-show="blockUI" id="skeleton">
      <template v-for="item in 3">
        <ion-item :key="item">
          <ion-thumbnail slot="start">
            <ion-skeleton-text></ion-skeleton-text>
          </ion-thumbnail>
          <ion-label>
            <h3>
              <ion-skeleton-text animated style="width: 80%"></ion-skeleton-text>
            </h3>
            <p>
              <ion-skeleton-text animated style="width: 60%"></ion-skeleton-text>
            </p>
            <p>
              <ion-skeleton-text animated style="width: 30%"></ion-skeleton-text>
            </p>
          </ion-label>
        </ion-item>
      </template>
    </ion-list>
    <div v-show="!blockUI">
      <component
        class="viewcontainer2"
        :is="viewname"
        :viewDefaultUsage="false"
        :formDruipart="formDruipart"
        :isformDruipart="true"
        :_context="JSON.stringify(tempContext)"
        :_viewparams="JSON.stringify(tempViewParams)"
        :isChildView="true"
        @mditemsload="mditemsload"
        @drdatasaved="drdatasaved"
        @drdatachange="drdatachange"
        @viewdataschange="viewdataschange"
        @viewload="viewload"
      ></component>
    </div>
  </div>
</template>

<script lang = 'ts'>
import { Vue, Component, Prop, Watch } from "vue-property-decorator";
import { Subject, Unsubscribable } from "rxjs";
import "./app-form-druipart.less";

@Component({})
export default class AppFormDRUIPart extends Vue {
  /**
   * 表单数据
   *
   * @type {string}
   * @memberof AppFormDRUIPart
   */
  @Prop() public data!: string;

  /**
   * 关联视图
   *
   * @type {string}
   * @memberof AppFormDRUIPart
   */
  @Prop() public viewname?: string;

  /**
   * 刷新关系项
   *
   * @type {string}
   * @memberof AppFormDRUIPart
   */
  @Prop({ default: "" }) public refreshitems!: string;

  /**
   * 关系视图类型
   *
   * @type {string}
   * @memberof AppFormDRUIPart
   */
  @Prop() public refviewtype?: string;

  /**
   * 父数据
   *
   * @type {*}
   * @memberof AppFormDRUIPart
   */
  @Prop() public parentdata!: any;

  /**
   * 传入参数项名称
   *
   * @type {string}
   * @memberof AppFormDRUIPart
   */
  @Prop() public paramItem!: string;

  /**
   * 是否忽略表单项值变化
   *
   * @type {boolean}
   * @memberof AppFormDRUIPart
   */
  @Prop() public ignorefieldvaluechange!: boolean;

  /**
   * 表单状态
   *
   * @type {Subject<any>}
   * @memberof AppFormDRUIPart
   */
  @Prop() public formState!: Subject<any>;

  /**
   * 视图参数
   *
   * @type {any[]}
   * @memberof AppFormDRUIPart
   */
  @Prop() public parameters!: any[];

  /**
   * 视图上下文
   *
   * @type {*}
   * @memberof AppFormDRUIPart
   */
  @Prop() public context!: any;

  /**
   * 视图参数
   *
   * @type {*}
   * @memberof AppFormDRUIPart
   */
  @Prop() public viewparams!: any;

  /**
   * 应用实体参数名称
   *
   * @type {string}
   * @memberof AppFormDRUIPart
   */
  @Prop() public parameterName!: string;

  /**
   * 导航参数
   *
   * @type {*}
   * @memberof AppSelect
   */
  @Prop({ default: {} }) protected navigateParam?: any;

  /**
   * 导航上下文
   *
   * @type {*}
   * @memberof AppSelect
   */
  @Prop({ default: {} }) protected navigateContext?: any;

  /**
   * 关系界面向视图下发指令对象
   *
   * @private
   * @type {Subject<any>}
   * @memberof AppFormDRUIPart
   */
  private formDruipart: Subject<any> = new Subject<any>();

  /**
   * 表单状态事件
   *
   * @private
   * @type {(Unsubscribable | undefined)}
   * @memberof AppFormDRUIPart
   */
  private formStateEvent: Unsubscribable | undefined;

  /**
   * 监控值
   *
   * @param {*} newVal
   * @param {*} oldVal
   * @memberof AppFormDRUIPart
   */
  @Watch("data")
  onActivedataChange(newVal: any, oldVal: any) {
    if (this.ignorefieldvaluechange) {
      return;
    }
    if (Object.is(newVal, oldVal)) {
      return;
    }
    const newFormData: any = JSON.parse(newVal);
    const oldDormData: any = JSON.parse(oldVal);
    let refreshRefview = false;
    this.hookItems.some((_hookItem: any) => {
      if (!Object.is(newFormData[_hookItem], oldDormData[_hookItem])) {
        refreshRefview = true;
        return refreshRefview;
      }
      return refreshRefview;
    });
    if (refreshRefview) {
      this.refreshDRUIPart();
    }
  }

  /**
   * 是否启用遮罩
   *
   * @type {boolean}
   * @memberof AppFormDRUIPart
   */
  public blockUI: boolean = false;



  /**
   * 是否刷新关系数据
   *
   * @private
   * @type {boolean}
   * @memberof AppFormDRUIPart
   */
  private isRelationalData: boolean = true;

  /**
   * 刷新节点
   *
   * @private
   * @type {string[]}
   * @memberof AppFormDRUIPart
   */
  private hookItems: string[] = [];

  /**
   * 父视图参数
   *
   * @type {*}
   * @memberof AppFormDRUIPart
   */
  public tempViewParams: any = {};

  /**
   * 父视图参数
   *
   * @type {*}
   * @memberof AppFormDRUIPart
   */
  public tempContext: any = {};

  /**
   * 刷新关系页面
   *
   * @private
   * @returns {void}
   * @memberof AppFormDRUIPart
   */
  private refreshDRUIPart(data?: any): void {
    if (Object.is(this.parentdata.SRFPARENTTYPE, "CUSTOM")) {
      this.isRelationalData = false;
    }
    const formData: any = data ? data : JSON.parse(this.data);
    const _paramitem = formData[this.paramItem];
    let _context = {};
    Object.assign(_context, this.$viewTool.getIndexViewParam());
    const _parameters: any[] = [
      ...this.$viewTool.getIndexParameters(),
      ...this.parameters
    ];
    _parameters.forEach((parameter: any) => {
      const {
        pathName,
        parameterName
      }: { pathName: string; parameterName: string } = parameter;
      if (formData[parameterName] && !Object.is(formData[parameterName], "")) {
        Object.assign(_context, { [parameterName]: formData[parameterName] });
      }
    });
    Object.assign(_context, { [this.paramItem]: _paramitem });
    //设置顶层视图唯一标识
    Object.assign(_context, this.context);
    // 导航参数处理
    const {context, param}= this.$viewTool.formatNavigateParam(this.navigateContext, this.navigateParam, _context, this.viewparams, this.data);    
    Object.assign(this.tempContext, context);
    Object.assign(this.tempViewParams, param);

    if (this.isRelationalData) {
      if (!_paramitem || _paramitem == null || Object.is(_paramitem, "")) {
        this.blockUIStart();
        return;
      } else {
        this.blockUIStop();
      }
    }
    setTimeout(()=>{this.formDruipart.next({ action: "load", data: {}})},500)
  }

  /**
   * vue  生命周期
   *
   * @memberof AppFormDRUIPart
   */
  public created(): void {
    this.hookItems = [...this.refreshitems.split(";")];
    if (!this.formState) {
      return;
    }
    if (!Object.is(this.paramItem, this.parameterName)) {
      this.hookItems.push(this.paramItem);
    }
    this.formStateEvent = this.formState.subscribe(($event: any) => {
      // 表单加载完成
      if (Object.is($event.type, "load")) {
        this.refreshDRUIPart($event.data);
      }
      // 表单保存之前
      if (Object.is($event.type, "beforesave")) {
        if (
          Object.is(this.refviewtype, "DEMOBMEDITVIEW9") ||
          Object.is(this.refviewtype, "DEGRIDVIEW9")
        ) {
          this.formDruipart.next({ action: "save", data: $event.data });
        } else {
          // 不需要保存的界面也要抛出事件，供计数器计算
          this.$emit("drdatasaved", $event);
        }
      }
      // 表单保存完成
      if (Object.is($event.type, "save")) {
        this.refreshDRUIPart($event.data);
      }
      // 表单项更新
      if (Object.is($event.type, "updateformitem")) {
        if (!$event.data) {
          return;
        }
        let refreshRefview = false;
        Object.keys($event.data).some((name: string) => {
          const index = this.hookItems.findIndex((_name: string) =>
            Object.is(_name, name)
          );
          refreshRefview = index !== -1 ? true : false;
          return refreshRefview;
        });
        if (refreshRefview) {
          this.refreshDRUIPart();
        }
      }
    });
    this.refreshDRUIPart();
  }

  /**
   * 部件销毁
   *
   * @memberof AppFormDRUIPart
   */
  public destroyed(): void {
    if (this.formStateEvent) {
      this.formStateEvent.unsubscribe();
    }
  }

  /**
   * 开启遮罩
   *
   * @private
   * @memberof AppFormDRUIPart
   */
  private blockUIStart(): void {
    this.blockUI = true;
  }

  /**
   * 关闭遮罩
   *
   * @private
   * @memberof AppFormDRUIPart
   */
  private blockUIStop(): void {
    this.blockUI = false;
  }

  /**
   * 多数据视图加载完成
   *
   * @public
   * @memberof AppFormDRUIPart
   */
  public mditemsload() {
    console.log("多数据视图加载完成，触发后续表单项更新");
  }

  /**
   * DEMEDITVIEW9 关系数据保存完成
   *
   * @public
   * @memberof AppFormDRUIPart
   */
  public drdatasaved($event: any) {
    this.$emit("drdatasaved", $event);
    console.log(this.viewname + "关系数据保存完成");
  }

  /**
   * DEMEDITVIEW9 关系数据值变化
   *
   * @public
   * @memberof AppFormDRUIPart
   */
  public drdatachange() {
    console.log("DEMEDITVIEW9 关系数据值变化");
  }

  /**
   * 视图数据变化
   *
   * @public
   * @memberof AppFormDRUIPart
   */
  public viewdataschange() {
    console.log("视图数据变化");
  }

  /**
   * 视图加载完成
   *
   * @public
   * @memberof AppFormDRUIPart
   */
  public viewload() {
    console.log("视图加载完成");
  }
}
</script>

<style lang = "less">
@import "./app-form-druipart.less";
</style>