import {
    VTapeLayout,
    HTapeLayout,
    AbsoluteLayout,
    Layout,
    VerticalLayout,
    Widget,
    shortcut,
    isPlainObject,
    extend
} from "@/core";
import { Label, IconButton } from "../single";

/**
 * Popover弹出层，
 * @class BI.Popover
 * @extends BI.Widget
 */

@shortcut()
export class Drawer extends Widget {
    SIZE = {
        SMALL: "small",
        NORMAL: "normal",
        BIG: "big",
    };
    props = {
        baseCls: "bi-drawer bi-card",
        size: "normal",
        placement: "right", //  top/bottom/left/right
        header: null,
        headerHeight: 40,
        body: null,
        closable: true, // BI-40839 是否显示右上角的关闭按钮
        bodyHgap: 20,
        bodyTgap: 10,
        bodyBgap: 10,
    };
    static xtype = "bi.drawer";
    static EVENT_CLOSE = "EVENT_CLOSE";
    static EVENT_OPEN = "EVENT_OPEN";
    _getSuitableSize() {
        const { size, height, placement, width } = this.options;
        let sizeValue = 0;
        switch (size) {
        case "big":
            sizeValue = 736;
            break;
        case "small":
            sizeValue = 200;
            break;
        case "normal":
        default:
            sizeValue = 378;
            break;
        }
        if (placement === "top" || placement === "bottom") {
            return {
                height: height || sizeValue,
            };
        }
        if (placement === "left" || placement === "right") {
            return {
                width: width || sizeValue,
            };
        }
    }
    render() {
        const { header, headerHeight, closable, body, bodyHgap, bodyTgap, bodyBgap } = this.options;
        const items = [
            {
                el: {
                    type: HTapeLayout.xtype,
                    cls: "bi-message-title bi-header-background",
                    items: [
                        {
                            type: AbsoluteLayout.xtype,
                            items: [
                                {
                                    el: isPlainObject(header)
                                        ? extend({}, header, {
                                            extraCls: "bi-font-bold",
                                        })
                                        : {
                                            type: Label.xtype,
                                            cls: "bi-font-bold",
                                            height: headerHeight,
                                            text: header,
                                            title: header,
                                            textAlign: "left",
                                        },
                                    left: 20,
                                    top: 0,
                                    right: 0,
                                    bottom: 0,
                                }
                            ],
                        },
                        {
                            el: closable
                                ? {
                                    type: IconButton.xtype,
                                    cls: "bi-message-close close-font",
                                    height: headerHeight,
                                    handler: () => {
                                        this.close();
                                    },
                                }
                                : {
                                    type: Layout.xtype,
                                },
                            width: 56,
                        }
                    ],
                    height: headerHeight,
                },
                height: headerHeight,
            },
            {
                el: {
                    type: VerticalLayout.xtype,
                    scrolly: true,
                    cls: "drawer-body",
                    ref: _ref => {
                        this.body = _ref;
                    },
                    items: [
                        {
                            el: body,
                        }
                    ],
                },
                hgap: bodyHgap,
                tgap: bodyTgap,
                bgap: bodyBgap,
            }
        ];

        return extend(
            {
                type: VTapeLayout.xtype,
                items,
            },
            this._getSuitableSize()
        );
    }
    mounted() {
        const { placement } = this.options;
        switch (placement) {
        case "right":
            this.element.css({
                top: 0,
                left: "100%",
                bottom: 0,
            });
            break;
        case "left":
            this.element.css({
                top: 0,
                right: "100%",
                bottom: 0,
            });
            break;
        case "top":
            this.element.css({
                left: 0,
                right: 0,
                bottom: "100%",
            });
            break;
        case "bottom":
            this.element.css({
                left: 0,
                right: 0,
                top: "100%",
            });
            break;
        default:
            break;
        }
    }

    show(callback) {
        const { placement } = this.options;
        requestAnimationFrame(() => {
            const size = this._getSuitableSize();
            switch (placement) {
            case "right":
                this.element.css({
                    left: `calc(100% - ${size.width}px)`,
                });
                break;
            case "left":
                this.element.css({
                    right: `calc(100% - ${size.width}px)`,
                });
                break;
            case "top":
                this.element.css({
                    bottom: `calc(100% - ${size.height}px)`,
                });
                break;
            case "bottom":
                this.element.css({
                    top: `calc(100% - ${size.height}px)`,
                });
                break;
            default:
                break;
            }
            callback && callback();
        });
    }

    hide(callback) {
        const { placement } = this.options;
        requestAnimationFrame(() => {
            switch (placement) {
            case "right":
                this.element.css({
                    left: "100%",
                });
                break;
            case "left":
                this.element.css({
                    right: "100%",
                });
                break;
            case "top":
                this.element.css({
                    bottom: "100%",
                });
                break;
            case "bottom":
                this.element.css({
                    top: "100%",
                });
                break;
            default:
                break;
            }
            setTimeout(callback, 300);
        });
    }

    open() {
        this.show(() => {
            this.fireEvent(Drawer.EVENT_OPEN);
        });
    }

    close() {
        this.hide(() => {
            this.fireEvent(Drawer.EVENT_CLOSE);
        });
    }

    setZindex(zindex) {
        this.element.css({ "z-index": zindex });
    }

    destroyed() {}
}