import { nextTick } from 'vue';
import XEUtils from 'xe-utils';
import { VxeUI } from '../../../ui';
import { getDomNode, getAbsolutePos, getEventTargetNode } from '../../../ui/src/dom';
import { isEnableConf, hasChildrenList } from '../../../ui/src/utils';
const { menus, hooks, globalEvents, GLOBAL_EVENT_KEYS } = VxeUI;
const tableMenuMethodKeys = ['closeMenu'];
hooks.add('tableMenuModule', {
    setupTable($xeTable) {
        const { xID, props, reactData, internalData } = $xeTable;
        const { refElem, refTableFilter, refTableMenu } = $xeTable.getRefMaps();
        const { computeMouseOpts, computeIsContentMenu, computeMenuOpts } = $xeTable.getComputeMaps();
        let menuMethods = {};
        let menuPrivateMethods = {};
        /**
         * 显示快捷菜单
         */
        const handleOpenMenuEvent = (evnt, type, params) => {
            const { ctxMenuStore } = reactData;
            const isContentMenu = computeIsContentMenu.value;
            const menuOpts = computeMenuOpts.value;
            const config = menuOpts[type];
            const { transfer, visibleMethod } = menuOpts;
            if (config) {
                const { options, disabled } = config;
                if (disabled) {
                    evnt.preventDefault();
                }
                else if (isContentMenu && options && options.length) {
                    params.options = options;
                    $xeTable.preventEvent(evnt, 'event.showMenu', params, () => {
                        if (!visibleMethod || visibleMethod(params)) {
                            evnt.preventDefault();
                            $xeTable.updateZindex();
                            const el = refElem.value;
                            const tableRect = el.getBoundingClientRect();
                            const { scrollTop, scrollLeft, visibleHeight, visibleWidth } = getDomNode();
                            let top = evnt.clientY - tableRect.y;
                            let left = evnt.clientX - tableRect.x;
                            if (transfer) {
                                top = evnt.clientY + scrollTop;
                                left = evnt.clientX + scrollLeft;
                            }
                            const handleVisible = () => {
                                internalData._currMenuParams = params;
                                Object.assign(ctxMenuStore, {
                                    visible: true,
                                    list: options,
                                    selected: null,
                                    selectChild: null,
                                    showChild: false,
                                    style: {
                                        zIndex: internalData.tZindex,
                                        top: `${top}px`,
                                        left: `${left}px`
                                    }
                                });
                                nextTick(() => {
                                    const tableMenu = refTableMenu.value;
                                    const ctxElem = tableMenu.getRefMaps().refElem.value;
                                    const clientHeight = ctxElem.clientHeight;
                                    const clientWidth = ctxElem.clientWidth;
                                    const { boundingTop, boundingLeft } = getAbsolutePos(ctxElem);
                                    const offsetTop = boundingTop + clientHeight - visibleHeight;
                                    const offsetLeft = boundingLeft + clientWidth - visibleWidth;
                                    if (offsetTop > -10) {
                                        ctxMenuStore.style.top = `${Math.max(scrollTop + 2, top - clientHeight - 2)}px`;
                                    }
                                    if (offsetLeft > -10) {
                                        ctxMenuStore.style.left = `${Math.max(scrollLeft + 2, left - clientWidth - 2)}px`;
                                    }
                                });
                            };
                            const { keyboard, row, column } = params;
                            if (keyboard && row && column) {
                                $xeTable.scrollToRow(row, column).then(() => {
                                    const cell = $xeTable.getCellElement(row, column);
                                    if (cell) {
                                        const { boundingTop, boundingLeft } = getAbsolutePos(cell);
                                        top = boundingTop + scrollTop + Math.floor(cell.offsetHeight / 2);
                                        left = boundingLeft + scrollLeft + Math.floor(cell.offsetWidth / 2);
                                    }
                                    handleVisible();
                                });
                            }
                            else {
                                handleVisible();
                            }
                        }
                        else {
                            menuMethods.closeMenu();
                        }
                    });
                }
            }
            $xeTable.closeFilter();
        };
        menuMethods = {
            /**
             * 关闭快捷菜单
             */
            closeMenu() {
                Object.assign(reactData.ctxMenuStore, {
                    visible: false,
                    selected: null,
                    selectChild: null,
                    showChild: false
                });
                return nextTick();
            }
        };
        menuPrivateMethods = {
            /**
             * 处理菜单的移动
             */
            moveCtxMenu(evnt, ctxMenuStore, property, hasOper, operRest, menuList) {
                let selectItem;
                const selectIndex = XEUtils.findIndexOf(menuList, item => ctxMenuStore[property] === item);
                if (hasOper) {
                    if (operRest && hasChildrenList(ctxMenuStore.selected)) {
                        ctxMenuStore.showChild = true;
                    }
                    else {
                        ctxMenuStore.showChild = false;
                        ctxMenuStore.selectChild = null;
                    }
                }
                else if (globalEvents.hasKey(evnt, GLOBAL_EVENT_KEYS.ARROW_UP)) {
                    for (let len = selectIndex - 1; len >= 0; len--) {
                        if (menuList[len].visible !== false) {
                            selectItem = menuList[len];
                            break;
                        }
                    }
                    ctxMenuStore[property] = selectItem || menuList[menuList.length - 1];
                }
                else if (globalEvents.hasKey(evnt, GLOBAL_EVENT_KEYS.ARROW_DOWN)) {
                    for (let index = selectIndex + 1; index < menuList.length; index++) {
                        if (menuList[index].visible !== false) {
                            selectItem = menuList[index];
                            break;
                        }
                    }
                    ctxMenuStore[property] = selectItem || menuList[0];
                }
                else if (ctxMenuStore[property] && (globalEvents.hasKey(evnt, GLOBAL_EVENT_KEYS.ENTER) || globalEvents.hasKey(evnt, GLOBAL_EVENT_KEYS.SPACEBAR))) {
                    $xeTable.ctxMenuLinkEvent(evnt, ctxMenuStore[property]);
                }
            },
            handleOpenMenuEvent,
            /**
             * 快捷菜单事件处理
             */
            handleGlobalContextmenuEvent(evnt) {
                const $xeGrid = $xeTable.xeGrid;
                const $xeGantt = $xeTable.xeGantt;
                const { mouseConfig, menuConfig } = props;
                const { editStore, ctxMenuStore } = reactData;
                const { visibleColumn } = internalData;
                const tableFilter = refTableFilter.value;
                const tableMenu = refTableMenu.value;
                const mouseOpts = computeMouseOpts.value;
                const menuOpts = computeMenuOpts.value;
                const el = refElem.value;
                const { selected } = editStore;
                const layoutList = ['header', 'body', 'footer'];
                if (isEnableConf(menuConfig)) {
                    if (ctxMenuStore.visible && tableMenu && getEventTargetNode(evnt, tableMenu.getRefMaps().refElem.value).flag) {
                        evnt.preventDefault();
                        return;
                    }
                    if (internalData._keyCtx) {
                        const type = 'body';
                        const params = { type, $table: $xeTable, $grid: $xeGrid, $gantt: $xeGantt, keyboard: true, columns: visibleColumn.slice(0), $event: evnt };
                        // 如果开启单元格区域
                        if (mouseConfig && mouseOpts.area) {
                            const activeArea = $xeTable.getActiveCellArea();
                            if (activeArea && activeArea.row && activeArea.column) {
                                params.row = activeArea.row;
                                params.column = activeArea.column;
                                handleOpenMenuEvent(evnt, type, params);
                                return;
                            }
                        }
                        else if (mouseConfig && mouseOpts.selected) {
                            // 如果启用键盘导航且已选中单元格
                            if (selected.row && selected.column) {
                                params.row = selected.row;
                                params.column = selected.column;
                                handleOpenMenuEvent(evnt, type, params);
                                return;
                            }
                        }
                    }
                    // 分别匹配表尾、内容、表尾的快捷菜单
                    for (let index = 0; index < layoutList.length; index++) {
                        const layout = layoutList[index];
                        const columnTargetNode = getEventTargetNode(evnt, el, `vxe-${layout}--column`, (target) => {
                            // target=td|th，直接向上找 table 去匹配即可
                            return target.parentNode.parentNode.parentNode.getAttribute('xid') === xID;
                        });
                        const params = { type: layout, $table: $xeTable, $grid: $xeGrid, $gantt: $xeGantt, columns: visibleColumn.slice(0), $event: evnt };
                        if (columnTargetNode.flag) {
                            const cell = columnTargetNode.targetElem;
                            const columnNodeRest = $xeTable.getColumnNode(cell);
                            const column = columnNodeRest ? columnNodeRest.item : null;
                            let typePrefix = `${layout}-`;
                            if (column) {
                                Object.assign(params, { column, columnIndex: $xeTable.getColumnIndex(column), cell });
                            }
                            if (layout === 'body') {
                                const rowNodeRest = $xeTable.getRowNode(cell.parentNode);
                                const row = rowNodeRest ? rowNodeRest.item : null;
                                typePrefix = '';
                                if (row) {
                                    params.row = row;
                                    params.rowIndex = $xeTable.getRowIndex(row);
                                }
                            }
                            const eventType = `${typePrefix}cell-menu`;
                            handleOpenMenuEvent(evnt, layout, params);
                            $xeTable.dispatchEvent(eventType, params, evnt);
                            return;
                        }
                        else if (getEventTargetNode(evnt, el, `vxe-table--${layout}-wrapper`, target => target.getAttribute('xid') === xID).flag) {
                            if (menuOpts.trigger === 'cell') {
                                evnt.preventDefault();
                            }
                            else {
                                handleOpenMenuEvent(evnt, layout, params);
                            }
                            return;
                        }
                    }
                }
                if (tableFilter && !getEventTargetNode(evnt, tableFilter.getRefMaps().refElem.value).flag) {
                    $xeTable.closeFilter();
                }
                menuMethods.closeMenu();
            },
            ctxMenuMouseoverEvent(evnt, item, child) {
                const menuElem = evnt.currentTarget;
                const { ctxMenuStore } = reactData;
                evnt.preventDefault();
                evnt.stopPropagation();
                ctxMenuStore.selected = item;
                ctxMenuStore.selectChild = child;
                if (!child) {
                    ctxMenuStore.showChild = hasChildrenList(item);
                    if (ctxMenuStore.showChild) {
                        nextTick(() => {
                            const childWrapperElem = menuElem.nextElementSibling;
                            if (childWrapperElem) {
                                const { boundingTop, boundingLeft, visibleHeight, visibleWidth } = getAbsolutePos(menuElem);
                                const posTop = boundingTop + menuElem.offsetHeight;
                                const posLeft = boundingLeft + menuElem.offsetWidth;
                                let left = '';
                                let right = '';
                                // 是否超出右侧
                                if (posLeft + childWrapperElem.offsetWidth > visibleWidth - 10) {
                                    left = 'auto';
                                    right = `${menuElem.offsetWidth}px`;
                                }
                                // 是否超出底部
                                let top = '';
                                let bottom = '';
                                if (posTop + childWrapperElem.offsetHeight > visibleHeight - 10) {
                                    top = 'auto';
                                    bottom = '0';
                                }
                                childWrapperElem.style.left = left;
                                childWrapperElem.style.right = right;
                                childWrapperElem.style.top = top;
                                childWrapperElem.style.bottom = bottom;
                            }
                        });
                    }
                }
            },
            ctxMenuMouseoutEvent(evnt, item) {
                const { ctxMenuStore } = reactData;
                if (!item.children) {
                    ctxMenuStore.selected = null;
                }
                ctxMenuStore.selectChild = null;
            },
            /**
             * 快捷菜单点击事件
             */
            ctxMenuLinkEvent(evnt, menu) {
                const $xeGrid = $xeTable.xeGrid;
                const $xeGantt = $xeTable.xeGantt;
                // 如果一级菜单有配置 code 则允许点击，否则不能点击
                if (!menu.disabled && (menu.code || !menu.children || !menu.children.length)) {
                    const gMenuOpts = menus.get(menu.code);
                    const params = Object.assign({}, internalData._currMenuParams, { menu, $table: $xeTable, $grid: $xeGrid, $gantt: $xeGantt, $event: evnt });
                    const tmMethod = gMenuOpts ? (gMenuOpts.tableMenuMethod || gMenuOpts.menuMethod) : null;
                    if (tmMethod) {
                        tmMethod(params, evnt);
                    }
                    $xeTable.dispatchEvent('menu-click', params, evnt);
                    menuMethods.closeMenu();
                }
            }
        };
        return Object.assign(Object.assign({}, menuMethods), menuPrivateMethods);
    },
    setupGrid($xeGrid) {
        return $xeGrid.extendTableMethods(tableMenuMethodKeys);
    },
    setupGantt($xeGantt) {
        return $xeGantt.extendTableMethods(tableMenuMethodKeys);
    }
});