import React, { useEffect, useRef, useState } from 'react';
import { BMSTable } from '@/components/BMSTable';
import { createFromIconfontCN } from '@ant-design/icons';
import { ProColumns } from '@ant-design/pro-components';
import { Tabs, InputNumber, message } from 'antd';
import { debounce } from 'lodash';
import { Key } from 'react';
import { getUnitRetainListReq, getUnitTypes, saveUnitRetainReq } from '../../service';

import './style.less';
import TableSelecter from './tableSelector';

const IconFont = createFromIconfontCN({
    scriptUrl: '',
});

export const Distribute = ({ computeDate }: { computeDate: string }) => {
    const [tabs, set_tabs] = useState<any[]>([]);
    const [editable, set_editable] = useState(false);
    const [dataSource, set_dataSource] = useState<any[]>([]);
    const [currentTab, set_currentTab] = useState<undefined | string>(undefined);
    const [tableColumns, set_tableColumns] = useState<ProColumns[]>([]);
    const [titles, set_titles] = useState<any[]>([]);
    const [tableSelecterVisible, set_tableSelecterVisible] = useState(false);
    const [currentBlock, set_currentBlock] = useState<any>(undefined);
    const [inputNum, set_inputNum] = useState(0);
    const [currentEdit, set_currentEdit] = useState({ colCode: '', num: 0, rowCode: '' });
    const [slectedRows, set_slectedRows] = useState<any[]>([]);
    const [editMode, set_editMode] = useState(false);

    const wrapContainerRef = useRef<HTMLDivElement>(null);
    const tableBodyRef = useRef<HTMLDivElement>(null);

    const getTab = async () => {
        const resp = await getUnitTypes();
        if (resp) {
            const arr = resp.list.map((a: any, index: number) => ({
                label: a.name,
                key: a.code,
            }));
            set_tabs([...arr]);
            if (arr.length > 0) set_currentTab(arr[0].key);
        }
    };

    const onTabChange = (tabKey: string) => {
        set_currentTab(tabKey);
    };

    const getTableData = async (unitType: string) => {
        if (!unitType) return;
        const resp = await getUnitRetainListReq(computeDate, unitType);
        if (resp) {
            const { title = [], remainData = [], data = [] } = resp;

            set_titles(
                title.map((a: any) => {
                    const value = remainData.filter((b: any) => a.code == b.code)[0].value;
                    return {
                        ...a,
                        value,
                    };
                })
            );

            const arr = title.map((a: any) => ({
                title: a.name,
                dataIndex: `${a.code}`,
                key: `${a.code}`,
                width: 230,
                renderText(num: number, record: any) {
                    const InputComponent = () => {
                        const [inputNum, set_inputNum] = useState(0);
                        const handleChange = (num: number | null) => {
                            set_inputNum(num ? num : 0);
                        };
                        const onBlurhandle = () => {
                            set_currentEdit({ colCode: a.code, num: inputNum, rowCode: record.unitCode });
                        };

                        return (
                            <InputNumber
                                style={{ width: '100%' }}
                                disabled={!editMode || a.code == 'totalBonus'}
                                precision={2}
                                min={0}
                                defaultValue={num}
                                onBlur={onBlurhandle}
                                onChange={handleChange}
                            />
                        );
                    };

                    return <InputComponent />;
                },
            }));

            set_tableColumns([
                {
                    title: '核算单元名称',
                    dataIndex: 'unitName',
                    key: 'unitName',
                    width: 182,
                    ellipsis: true,
                    fixed: 'left',
                },
                ...arr,
            ]);

            const tableData = data.map((a: any) => {
                let obj: any = {};
                let totalCount = 0;
                title.forEach((b: any) => {
                    const { data: rowData } = a;
                    const needItem = rowData.filter((c: any) => c.code == b.code);
                    obj[`${b.code}`] = needItem.length > 0 ? needItem[0].value : 0;
                    if (b.code != 'totalBonus') {
                        totalCount = totalCount + (needItem.length > 0 ? needItem[0].value : 0);
                    }
                });
                return {
                    ...a,
                    ...obj,
                    totalBonus: totalCount,
                };
            });
            set_dataSource([...tableData]);
        }
    };

    const tableSelecterCommit = (keys: Key[], rows: any[]) => {
        set_slectedRows([...slectedRows, ...rows]);

        if (currentBlock.code == 'totalBonus') {
            const newTitles = titles.map((a) => {
                if (a.code == currentBlock.code) {
                    return {
                        ...a,
                        value: rows.reduce((prev: number, cur: any) => prev + cur.retainBonus, 0),
                    };
                } else {
                    const needArr = rows.filter((b) => b.retainCode == a.code);

                    return {
                        ...a,
                        value: needArr.length > 0 ? needArr.reduce((prev: number, cur: any) => prev + cur.retainBonus, 0) : 0,
                    };
                }
            });
            set_titles([...newTitles]);
        } else {
            const amount = rows.reduce((prev: number, cur: any) => prev + cur.retainBonus, 0);
            const newTitles = titles.map((a) => {
                if (a.code == currentBlock.code) {
                    return {
                        ...a,
                        value: a.value + amount,
                    };
                } else {
                    return a;
                }
            });
            const titlesvalueCount = newTitles.reduce((prev: number, cur: any) => {
                if (cur.code != 'totalBonus') {
                    return prev + cur.value;
                } else {
                    return prev;
                }
            }, 0);

            set_titles(
                newTitles.map((a: any) => {
                    if (a.code == 'totalBonus') {
                        return { ...a, value: titlesvalueCount };
                    } else {
                        return a;
                    }
                })
            );
        }

        set_tableSelecterVisible(false);
    };

    const saveHandle = async () => {
        const reaultData = dataSource.map((a) => {
            return {
                unitCode: a.unitCode,
                unitName: a.unitName,
                data: titles.map((b) => ({ code: b.code, value: a[`${b.code}`] })),
            };
        });

        const arr = titles.map((a) => {
            const ids = slectedRows.filter((b) => b.retainCode == a.code).map((c) => c.id);

            return {
                retainCode: a.code,
                retainIds: [...new Set(ids)],
            };
        });

        const result = {
            data: reaultData,
            remainData: titles.map((a) => ({ code: a.code, value: a.value })),
            historyRetain: arr,
        };

        const resp = await saveUnitRetainReq(result);
        if (resp) {
            message.success('保存成功！');

            set_editMode(false);
            set_slectedRows([]);
        }
    };

    useEffect(() => {
        getTableData(currentTab as string);
    }, [editMode]);

    useEffect(() => {
        // 更新 titles
        const newTitles = titles.map((b) => {
            if (b.code === currentEdit.colCode) {
                return { ...b, value: b.value - currentEdit.num };
            } else {
                return b;
            }
        });
        const titlesvalueCount = newTitles.reduce((prev: number, cur: any) => {
            if (cur.code != 'totalBonus') {
                return prev + cur.value;
            } else {
                return prev;
            }
        }, 0);
        set_titles(
            newTitles.map((a: any) => {
                if (a.code == 'totalBonus') {
                    return { ...a, value: titlesvalueCount };
                } else {
                    return a;
                }
            })
        );

        // 基于更新后的 titles 同时更新 dataSource
        const updatedDataSource = dataSource.map((item) => {
            if (item.unitCode == currentEdit.rowCode) {
                let total = 0;
                titles.forEach((a) => {
                    if (a.code != 'totalBonus') {
                        if (a.code == currentEdit.colCode) {
                            total = total + currentEdit.num;
                        } else {
                            total = total + item[`${a.code}`];
                        }
                    }
                });
                return { ...item, [`${currentEdit.colCode}`]: currentEdit.num, totalBonus: total };
            } else {
                return item;
            }
        });
        set_dataSource(updatedDataSource);
    }, [currentEdit]);

    useEffect(() => {
        if (currentTab) {
            getTableData(currentTab);
        }
    }, [currentTab]);

    useEffect(() => {
        getTab();
    }, []);

    useEffect(() => {
        if (titles.length > 0) {

            const handleScroll = () => {
                if (wrapContainerRef.current && tableBody) {
                    wrapContainerRef.current.scrollLeft = tableBody.scrollLeft;
                }
            };

            const tableBody = document.querySelector('.bms-ant-table-body') as HTMLElement;



            // 获取 bms-ant-table-cell 元素
            const td = document.querySelector('.bms-ant-table-cell') as HTMLElement;
            const fixedTd = document.querySelector('.bms-ant-table-cell-fix-left') as HTMLElement;

            if (td) {
                // 获取元素的样式
                const style = getComputedStyle(td);

                // 获取元素的宽度，包含 padding 和 border
                const paddingLeft = parseFloat(style.paddingLeft);
                const paddingRight = parseFloat(style.paddingRight);
                const borderLeftWidth = parseFloat(style.borderLeftWidth);
                const borderRightWidth = parseFloat(style.borderRightWidth);

                const tdWidth = td.clientWidth + paddingLeft + paddingRight + borderLeftWidth + borderRightWidth;
                // console.log('bms-ant-table-cell 的实际宽度（包含 padding 和 border）:', tdWidth);
            } else {
                // console.log('没有找到 .bms-ant-table-cell 元素');
            }

            if (fixedTd) {
                // 获取元素的样式
                const style = getComputedStyle(fixedTd);

                // 获取元素的宽度，包含 padding 和 border
                const paddingLeft = parseFloat(style.paddingLeft);
                const paddingRight = parseFloat(style.paddingRight);
                const borderLeftWidth = parseFloat(style.borderLeftWidth);
                const borderRightWidth = parseFloat(style.borderRightWidth);

                const fixedTdWidth = fixedTd.clientWidth + paddingLeft + paddingRight + borderLeftWidth + borderRightWidth;
                // console.log('bms-ant-table-cell-fix-left 的实际宽度（包含 padding 和 border）:', fixedTdWidth);
            } else {
                // console.log('没有找到 .bms-ant-table-cell-fix-left 元素');
            }





            if (tableBody) {
                tableBody.addEventListener('scroll', handleScroll);
            }

            // 清理函数，用于移除事件监听器
            return () => {
                if (tableBody) {
                    tableBody.removeEventListener('scroll', handleScroll);
                }
            };
        }

    }, [titles]);

    return (
        <div className="Distribute">
            <TableSelecter
                onVisibleChange={(bool) => set_tableSelecterVisible(bool)}
                title="添加保留考核奖金"
                rowKey={'id'}
                defaultSelectedKeys={slectedRows.map((a: any) => a.id)}
                record={{ ...currentBlock, currentTab }}
                open={tableSelecterVisible}
                onFinish={tableSelecterCommit}
            />

            <div className="Distribute_header">
                <span className="title">保留奖金分配</span>
                {!editMode && (
                    <span className="editBtn" onClick={() => set_editMode(true)}>
                        <IconFont style={{ color: '#3376FE', cursor: 'pointer', marginRight: 4, fontSize: 16 }} type={'iconbianji'} />
                        开始分配
                    </span>
                )}
                {editMode && (
                    <div className="saveBtn">
                        <span className="cancel" onClick={() => set_editMode(false)}>
                            取消
                        </span>
                        <span className="save" onClick={() => saveHandle()}>
                            保存
                        </span>
                    </div>
                )}
            </div>
            {tabs.length > 0 && <Tabs defaultActiveKey={currentTab} onChange={onTabChange} items={tabs} />}
            <div className="rowOne">
                <div className="blockHeader">
                    <img src={require('../../../../../../static/distribute.png')} alt="" />
                    <div className="detail">
                        <span className="name">可分配额</span>
                        <span className="sub">对总额进行分配</span>
                    </div>
                </div>
                <div className="wrap" ref={wrapContainerRef}>
                    {titles.map((a, index) => (
                        <div className="block" key={index}>
                            <div className="left">
                                <span className="label">{a.name}（元）</span>
                                <span className="value">{a.value}</span>
                            </div>
                            <div className="icon">
                                <IconFont
                                    style={{ color: '#17181A', cursor: 'pointer' }}
                                    type={'icon-zhuijia'}
                                    onClick={() => {
                                        set_currentBlock(a);
                                        set_tableSelecterVisible(true);
                                    }}
                                />
                            </div>
                        </div>
                    ))}
                </div>
            </div>
            {titles.length > 0 && (
                <div className="table-body">
                    <BMSTable
                        className="Distribute_table"
                        dataSource={dataSource}
                        scroll={{ x: titles.length * 220 + 192, y: editMode ? 440 : 470 }}
                        pagination={false}
                        rowKey="unitCode"

                        columns={[...tableColumns]}
                    />
                </div>
            )}
        </div>
    );
};