///<reference path="../../../headers/common.d.ts" />

import _ from "lodash";
import { transformers } from "./transformers";

export class TablePanelEditorCtrl {
  panel: any;
  panelCtrl: any;
  transformers: any;
  fontSizes: any;
  addColumnSegment: any;
  getColumnNames: any;
  canSetColumns: boolean;
  columnsHelpMessage: string;

  /** @ngInject */
  constructor($scope, private $q, private uiSegmentSrv) {
    $scope.editor = this;
    this.panelCtrl = $scope.ctrl;
    this.panel = this.panelCtrl.panel;
    this.transformers = transformers;
    this.fontSizes = [
      "80%",
      "90%",
      "100%",
      "110%",
      "120%",
      "130%",
      "150%",
      "160%",
      "180%",
      "200%",
      "220%",
      "250%"
    ];
    this.addColumnSegment = uiSegmentSrv.newPlusButton();
    this.updateTransformHints();
  }

  updateTransformHints() {
    this.canSetColumns = false;
    this.columnsHelpMessage = "";

    switch (this.panel.transform) {
      case "timeseries_aggregations": {
        this.canSetColumns = true;
        break;
      }
      case "json": {
        this.canSetColumns = true;
        break;
      }
      case "table": {
        this.columnsHelpMessage =
          "Columns and their order are determined by the data query";
      }
    }
  }

  getColumnOptions() {
    if (!this.panelCtrl.dataRaw) {
      return this.$q.when([]);
    }
    var columns = this.transformers[this.panel.transform].getColumns(
      this.panelCtrl.dataRaw
    );
    var segments = _.map(columns, (c: any) =>
      this.uiSegmentSrv.newSegment({ value: c.text })
    );
    return this.$q.when(segments);
  }

  addColumn() {
    var columns = transformers[this.panel.transform].getColumns(
      this.panelCtrl.dataRaw
    );
    var column = _.find(columns, { text: this.addColumnSegment.value });

    if (column) {
      this.panel.columns.push(column);
      this.render();
    }

    var plusButton = this.uiSegmentSrv.newPlusButton();
    this.addColumnSegment.html = plusButton.html;
    this.addColumnSegment.value = plusButton.value;
  }

  transformChanged() {
    this.panel.columns = [];
    if (this.panel.transform === "timeseries_aggregations") {
      this.panel.columns.push({ text: "Avg", value: "avg" });
    }

    this.updateTransformHints();
    this.render();
  }

  render() {
    this.panelCtrl.render();
  }

  removeColumn(column) {
    this.panel.columns = _.without(this.panel.columns, column);
    this.panelCtrl.render();
  }
}

/** @ngInject */
export function tablePanelEditor($q, uiSegmentSrv) {
  "use strict";
  return {
    restrict: "E",
    scope: true,
    templateUrl: "public/app/plugins/panel/table/editor.html",
    controller: TablePanelEditorCtrl
  };
}