/*
 * Copyright (c) 2016 VMware, Inc. All Rights Reserved.
 * This software is released under MIT license.
 * The full license information can be found in LICENSE in the root directory of this project.
 */
export class ProgBarExample {
    intervalId: any;

    value: number = 0;
    intervalTimeInMs: number = 450;

    constructor(private label: string = "demo",
                private title: string = "Progress Bar",
                private isLabeled: boolean = false) {
    }

    cssClassnames(): string {
        return ["progress", this.label].join(" ");
    }

    stop(): void {
        clearInterval(this.intervalId);
    }

    reset(): void {
        this.stop();
        this.value = 0;
        this.intervalId = -1;
    }

    start(): void {
        if (this.intervalId > -1) {
            this.reset();
        }

        this.intervalId = setInterval(() => {
            this.run();
        }, this.intervalTimeInMs);

    }

    run(): void {
        let myProgress: number = this.value;
        let maxProgressIncrement: number = 15;
        let minProgressIncrement: number = 4;

        myProgress += Math.random() * (maxProgressIncrement - minProgressIncrement) + minProgressIncrement;

        if (myProgress > 99) {
            this.value = 100;
            this.stop();
        } else if (myProgress < 1 || isNaN(myProgress)) {
            this.value = 1;
        } else {
            // typescript decides to be fun and complains if the first parameter here is not a string.
            // many good things about TS. but this one is pretty lame...
            this.value = parseInt(myProgress + "", 10);
        }
    }
}