/*
 * DisplayController.js
 *
 * @author realor
 */

import { PanelController } from './PanelController.js'
import { Controller } from './Controller.js'
import { Controls } from '../ui/Controls.js'
import { I18N } from '../i18n/I18N.js'

class DisplayController extends PanelController {
    constructor(object, name) {
        super(object, name)

        this.input = 0
        this.units = 'meters'
        this.decimals = 2
        this.detailUrl = ''
        this.detailTarget = '_blank'
        this.detailLabel = 'Show more'
        this.displayClass = 'default'
    }

    createPanel() {
        super.createPanel('left', 80)

        let panelElem = document.createElement('div')
        panelElem.className = 'display ' + (this.displayClass || 'default')
        this.displayElem = document.createElement('div')
        panelElem.appendChild(this.displayElem)

        this.panel.bodyElem.appendChild(panelElem)

        this.detailButton = Controls.addButton(this.panel.bodyElem, 'detail', this.detailLabel, () => this.openUrl(), 'detail')
        this.detailButton.style.display = 'none'

        this.update()
    }

    onNodeChanged(event) {
        if (event.type === 'nodeChanged' && this.hasChanged(event)) {
            this.update()
        }
    }

    update() {
        this.panel.title = this.title || ''
        let value = this.input
        const language = this.application.i18n.userLanguages[0]
        const nf = new Intl.NumberFormat(language, {
            maximumFractionDigits: this.decimals,
            minimumFractionDigits: this.decimals
        })
        let num = nf.format(parseFloat(value))
        let units = this.units || ''
        this.displayElem.innerHTML = '' + num + ' ' + units
        if (this.detailUrl.length > 0) {
            this.detailButton.style.display = ''
            I18N.set(this.detailButton, 'innerHTML', this.detailLabel)
        }
    }

    openUrl() {
        window.open(this.detailUrl, this.detailTarget).focus()
    }
}

Controller.addClass(DisplayController)

export { DisplayController }