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import * as models from 'powerbi-models';

import { IFilterable } from './ifilterable';

import { IPageNode } from './page';

import { IHttpPostMessageResponse } from 'http-post-message';

/**

* A Visual node within a report hierarchy

*

* @export

* @interface IVisualNode

*/

export interface IVisualNode {

name: string;

title: string;

type: string;

layout: models.IVisualLayout;

page: IPageNode;

}

/**

* A Power BI visual within a page

*

* @export

* @class VisualDescriptor

* @implements {IVisualNode}

*/

export class VisualDescriptor implements IVisualNode, IFilterable {

/**

* The visual name

*

* @type {string}

*/

name: string;

/**

* The visual title

*

* @type {string}

*/

title: string;

/**

* The visual type

*

* @type {string}

*/

type: string;

/**

* The visual layout: position, size and visibility.

*

* @type {string}

*/

layout: models.IVisualLayout;

/**

* The parent Power BI page that contains this visual

*

* @type {IPageNode}

*/

page: IPageNode;

/**

* @hidden

*/

constructor(page: IPageNode, name: string, title: string, type: string, layout: models.IVisualLayout) {

this.name = name;

this.title = title;

this.type = type;

this.layout = layout;

this.page = page;

}

/**

* Gets all visual level filters of the current visual.

*

* ```javascript

* visual.getFilters()

* .then(filters => { ... });

* ```

*

* @returns {(Promise<models.IFilter[]>)}

*/

async getFilters(): Promise<models.IFilter[]> {

try {

const response = await this.page.report.service.hpm.get<models.IFilter[]>(`/report/pages/${this.page.name}/visuals/${this.name}/filters`, { uid: this.page.report.config.uniqueId }, this.page.report.iframe.contentWindow);

return response.body;

} catch (response) {

throw response.body;

}

}

/**

* Removes all filters from the current visual.

*

* ```javascript

* visual.removeFilters();

* ```

*

* @returns {Promise<IHttpPostMessageResponse<void>>}

*/

async removeFilters(): Promise<IHttpPostMessageResponse<void>> {

return await this.setFilters([]);

}

/**

* Sets the filters on the current visual to 'filters'.

*

* ```javascript

* visual.setFilters(filters);

* .catch(errors => { ... });

* ```

*

* @param {(models.IFilter[])} filters

* @returns {Promise<IHttpPostMessageResponse<void>>}

*/

async setFilters(filters: models.IFilter[]): Promise<IHttpPostMessageResponse<void>> {

try {

return await this.page.report.service.hpm.put<void>(`/report/pages/${this.page.name}/visuals/${this.name}/filters`, filters, { uid: this.page.report.config.uniqueId }, this.page.report.iframe.contentWindow);

} catch (response) {

throw response.body;

}

}

/**

* Exports Visual data.

* Can export up to 30K rows.

* @param rows: Optional. Default value is 30K, maximum value is 30K as well.

* @param exportDataType: Optional. Default is models.ExportDataType.Summarized.

* ```javascript

* visual.exportData()

* .then(data => { ... });

* ```

*

* @returns {(Promise<models.IExportDataResult>)}

*/

async exportData(exportDataType?: models.ExportDataType, rows?: number): Promise<models.IExportDataResult> {

const exportDataRequestBody: models.IExportDataRequest = {

rows: rows,

exportDataType: exportDataType

};

try {

const response = await this.page.report.service.hpm.post<models.IExportDataResult>(`/report/pages/${this.page.name}/visuals/${this.name}/exportData`, exportDataRequestBody, { uid: this.page.report.config.uniqueId }, this.page.report.iframe.contentWindow);

return response.body;

} catch (response) {

throw response.body;

}

}

/**

* Set slicer state.

* Works only for visuals of type slicer.

* @param state: A new state which contains the slicer filters.

* ```javascript

* visual.setSlicerState()

* .then(() => { ... });

* ```

*/

async setSlicerState(state: models.ISlicerState): Promise<IHttpPostMessageResponse<void>> {

try {

return await this.page.report.service.hpm.put<void>(`/report/pages/${this.page.name}/visuals/${this.name}/slicer`, state, { uid: this.page.report.config.uniqueId }, this.page.report.iframe.contentWindow);

} catch (response) {

throw response.body;

}

}

/**

* Get slicer state.

* Works only for visuals of type slicer.

*

* ```javascript

* visual.getSlicerState()

* .then(state => { ... });

* ```

*

* @returns {(Promise<models.ISlicerState>)}

*/

async getSlicerState(): Promise<models.ISlicerState> {

try {

const response = await this.page.report.service.hpm.get<models.ISlicerState>(`/report/pages/${this.page.name}/visuals/${this.name}/slicer`, { uid: this.page.report.config.uniqueId }, this.page.report.iframe.contentWindow);

return response.body;

} catch (response) {

throw response.body;

}

}

/**

* Clone existing visual to a new instance.

*

* @returns {(Promise<models.ICloneVisualResponse>)}

*/

async clone(request: models.ICloneVisualRequest = {}): Promise<models.ICloneVisualResponse> {

try {

const response = await this.page.report.service.hpm.post<models.ICloneVisualResponse>(`/report/pages/${this.page.name}/visuals/${this.name}/clone`, request, { uid: this.page.report.config.uniqueId }, this.page.report.iframe.contentWindow);

return response.body;

} catch (response) {

throw response.body;

}

}

/**

* Sort a visual by dataField and direction.

*

* @param request: Sort by visual request.

*

* ```javascript

* visual.sortBy(request)

* .then(() => { ... });

* ```

*/

async sortBy(request: models.ISortByVisualRequest): Promise<IHttpPostMessageResponse<void>> {

try {

return await this.page.report.service.hpm.put<void>(`/report/pages/${this.page.name}/visuals/${this.name}/sortBy`, request, { uid: this.page.report.config.uniqueId }, this.page.report.iframe.contentWindow);

} catch (response) {

throw response.body;

}

}

}