//
// Volumes.
//

const { Element } = require("./Element");
const format = require("../../Utilities/Format");

class VolumeModel extends Element {
	constructor(json) {
		let configuration = (json && json.configuration) || {};

		super(`volume:${configuration.name || json.id}`);

		this.name = configuration.name || json.id;
		this.driver = configuration.driver || "";
		this.filesystem = configuration.format || "";
		this.source = configuration.source || "";
		// The volume image is sparse: sizeInBytes is the maximum it can grow
		// to, not what it occupies, so it is reported as capacity.
		this.capacity = configuration.sizeInBytes || 0;
		this.created = configuration.creationDate || null;
		this.labels = configuration.labels || {};
	}

	get revision() {
		return `${this.capacity}:${this.filesystem}`;
	}

	get tooltip() {
		let lines = [`Volume:\t${this.name}`, `Driver:\t${this.driver}`];

		if (this.filesystem) {
			lines.push(`Format:\t${this.filesystem}`);
		}
		if (this.capacity) {
			lines.push(`Capacity:\t${format.bytes(this.capacity)}`);
		}
		if (this.created) {
			lines.push(`Created:\t${format.age(this.created)}`);
		}
		if (this.source) {
			lines.push(`Source:\t${this.source}`);
		}

		return lines.join("\n");
	}
}

function build(list) {
	return (list || [])
		.map((entry) => new VolumeModel(entry))
		.sort((left, right) => left.name.localeCompare(right.name));
}

module.exports = { VolumeModel, build };