/**
 * Description for a single part of a property attribution.
 *
 * @typedef {object} AttributionDescription
 * @property {string} label  Descriptive label that will be displayed. If the label is in the form
 *                           of an @ property, the system will try to turn it into a human-readable label.
 * @property {number} mode   Application mode for this step as defined in
 *                           [CONST.ACTIVE_EFFECT_MODES](https://foundryvtt.com/api/module-constants.html#.ACTIVE_EFFECT_MODES).
 * @property {number} value  Value of this step.
 */

/**
 * Interface for viewing what factors went into determining a specific property.
 *
 * @extends {DocumentSheet}
 */
export default class PropertyAttribution extends Application {
    /**
     * @param {Document} object  The Document that owns the property being attributed.
     * @param {AttributionDescription[]} attributions  An array of all the attribution data.
     * @param {string} property  Dot separated path to the property.
     */
    constructor(object, attributions, property, options = {}) {
        super(options);
        this.object = object;
        this.attributions = attributions;
        this.property = property;
    }

    /* -------------------------------------------- */

    /** @inheritdoc */
    static get defaultOptions() {
        return foundry.utils.mergeObject(super.defaultOptions, {
            id: "property-attribution",
            classes: ["sw5e", "property-attribution"],
            template: "systems/sw5e/templates/apps/property-attribution.html",
            width: 320,
            height: "auto"
        });
    }

    /* -------------------------------------------- */

    /**
     * Render this view as a tooltip rather than a whole window.
     * @return {jQuery}  HTML of the rendered tooltip.
     */
    async renderTooltip() {
        const data = this.getData(this.options);
        let html = await this._renderInner(data);
        html[0].classList.add("tooltip");
        return html;
    }

    /* -------------------------------------------- */

    getData() {
        const property = foundry.utils.getProperty(this.object.data.data, this.property);
        let total;
        if (Number.isNumeric(property)) {
            total = property;
        } else if (typeof property === "object" && Number.isNumeric(property.value)) {
            total = property.value;
        }

        const sources = foundry.utils.duplicate(this.attributions);
        return {
            sources: sources.map((entry) => {
                if (entry.label.startsWith("@")) {
                    entry.label = this.getPropertyLabel(entry.label.slice(1));
                }
                if (entry.mode === CONST.ACTIVE_EFFECT_MODES.ADD && entry.value < 0) {
                    entry.negative = true;
                    entry.value = entry.value * -1;
                }
                return entry;
            }),
            total: total
        };
    }

    /* -------------------------------------------- */

    getPropertyLabel(property) {
        const parts = property.split(".");
        if (parts[0] === "abilities" && parts[1]) {
            return CONFIG.SW5E.abilities[parts[1]];
        }
        return property;
    }
}