import {UIEventSource} from "../../Logic/UIEventSource";
import BaseUIElement from "../BaseUIElement";
import {VariableUiElement} from "../Base/VariableUIElement";
import Translations from "../i18n/Translations";

/**
 * Shows that 'images are uploading', 'all images are uploaded' as relevant...
 */
export default class UploadFlowStateUI extends VariableUiElement {


    constructor(queue: UIEventSource<string[]>, failed: UIEventSource<string[]>, success: UIEventSource<string[]>) {
        const t = Translations.t.image;

        super(
            queue.map(queue => {
                const failedReasons = failed.data
                const successCount = success.data.length
                const pendingCount = queue.length - successCount - failedReasons.length;

                let stateMessages: BaseUIElement[] = []

                if (pendingCount == 1) {
                    stateMessages.push(t.uploadingPicture.Clone().SetClass("alert"))
                }
                if (pendingCount > 1) {
                    stateMessages.push(t.uploadingMultiple.Subs({count: "" + pendingCount}).SetClass("alert"))
                }
                if (failedReasons.length > 0) {
                    stateMessages.push(t.uploadFailed.Clone().SetClass("alert"))
                }
                if (successCount > 0 && pendingCount == 0) {
                    stateMessages.push(t.uploadDone.SetClass("thanks"))
                }

                stateMessages.forEach(msg => msg.SetStyle("display: block ruby"))

                return stateMessages
            }, [failed, success])
        );


    }

}