import { shortcut, extend, toPix, createWidget, isArray, deepContains, each, contains, Tree } from "@/core";
import { Trigger } from "@/base";

/**
 * 选择字段trigger小一号的
 *
 * @class SmallSelectTextTrigger
 * @extends Trigger
 */
@shortcut()
export class SmallSelectTextTrigger extends Trigger {
    static xtype = "bi.small_select_text_trigger"

    _defaultConfig() {
        return extend(super._defaultConfig(...arguments), {
            baseCls: "bi-small-select-text-trigger bi-border",
            height: 20,
        });
    }

    _init() {
        super._init(...arguments);
        const o = this.options;
        const obj = this._digest(o.value, o.items);
        this.trigger = createWidget({
            type: "bi.small_text_trigger",
            element: this,
            height: toPix(o.height, 2),
            text: obj.text,
            cls: obj.cls,
            textHgap: o.textHgap,
            textVgap: o.textVgap,
            textLgap: o.textLgap,
            textRgap: o.textRgap,
            textTgap: o.textTgap,
            textBgap: o.textBgap,
        });
    }

    _digest(vals, items) {
        const o = this.options;
        vals = isArray(vals) ? vals : [vals];
        const result = [];
        const formatItems = Tree.transformToArrayFormat(items);
        each(formatItems, (i, item) => {
            if (deepContains(vals, item.value) && !contains(result, item.text || item.value)) {
                result.push(item.text || item.value);
            }
        });

        if (result.length > 0) {
            return {
                cls: "",
                text: result.join(","),
            };
        } else {
            return {
                cls: "bi-water-mark",
                text: o.text,
            };
        }
    }

    setValue(vals) {
        const formatValue = this._digest(vals, this.options.items);
        this.trigger.element.removeClass("bi-water-mark").addClass(formatValue.cls);
        this.trigger.setText(formatValue.text);
    }

    populate(items) {
        this.options.items = items;
    }
}