import React, {Fragment, useEffect, useRef, useState} from 'react';
import {Dropdown, List, MenuProps, message, Popconfirm} from 'antd';
import VirtualList from 'rc-virtual-list';
import {Button, Drawer} from 'antd';
import {ListDiary, SelectDiary} from "@/components/type/Diary";
import TextArea from "antd/es/input/TextArea";
import style from "@/components/DiaryOption.module.css"
import dayjs from "dayjs";
import {addTaskLogAPI, deleteTaskLogByIdAPI, editEnableFlagAPI} from "@/components/service/Diary";
import {ListRef} from "rc-virtual-list/lib/List";
import {copyToClipboard} from "@/lib/copyToClipboard";
import {useWindowSize} from "@/hooks/useWindowSize";
import {DetailModelForm} from "@/ui/task/project/DetailModelForm";
import {OPERATION_BUTTON_TYPE} from "@/lib/task/project/data";

const DiaryOption = (props: SelectDiary) => {
    // 抽屉 start
    const [open, setOpen] = useState(false);
    const onClose = () => {
        setOpen(false);
    };
    // 抽屉 end
    const [shouldScroll, setShouldScroll] = React.useState(true);
    // 设置高度 start
    const {height} = useWindowSize();
    const [containerHeight, setContainerHeight] = useState(400);
    useEffect(() => {
        setDiaryList([])
    }, []);
    useEffect(() => {
        if (!open) return;
        // 使用 setTimeout 确保 Drawer 内容已渲染
        const timer = setTimeout(() => {
            const innerDiv = document.querySelector('.ant-drawer-body');
            const titleButtonHeight = document.querySelector('.titleButton');
            // clientHeight：可视高度（包括 padding，但不包括 border、margin 和滚动条）
            // offsetHeight：总高度（包括 padding、border 和滚动条，但不包括 margin）
            // scrollHeight：内容总高度（包括不可见部分）
            if (innerDiv && titleButtonHeight) {
                console.log(innerDiv.clientHeight)
                setContainerHeight(innerDiv.clientHeight - titleButtonHeight.clientHeight)
            }
        }, 100);

        return () => clearTimeout(timer);
        // console.log({contentRef})
        // const observer = new ResizeObserver((entries) => {
        //     const entry = entries[0];
        //     setContentHeight(entry.contentRect.height);
        // });
        //
        // observer.observe(contentRef.current);
        //
        // return () => observer.disconnect();
    }, [open, height]);
    // 设置高度 end

    // 头按钮设置 start
    const [currentIndex, setCurrentIndex] = useState(1);
    // 头按钮设置 end
    // 数据 start
    const [diaryList, setDiaryList] = useState<ListDiary[]>([]);
    const [diaryReduceList, setDiaryReduceList] = useState<ListDiary[]>([])
    const [page, setPage] = useState(1);
    const [selectLoading,setSelectLoading]=useState<boolean>(false);
    const noMore = {
        id: '0',
        keyId: 'o0',
        createdDate: new Date(),
        description: '没有更多了',
        taskId: props.taskId,
        enableFlag: 'day-separate'
    };
    const [noMoreFlag, setNoMoreFlag] = useState(false)
    const [sendValue, setSendValue] = useState<string>();
    const [sendValueFlag, setSendValueFlag] = useState(false);
    const handleSend = () => {
        if (sendValueFlag) {
            return
        }
        setSendValueFlag(true);
        if (!sendValue?.trim()) {
            message.info("发送信息不能为空");
            return;
        }
        addTaskLogAPI({
            description: sendValue!,
            taskId: props.taskId,
            enableFlag: '1'
        }).then(res => {
            setDiaryList([res.data.data, ...diaryList])
            setSendValue(undefined)
            setShouldScroll(true);
        }).finally(() => {
            setSendValueFlag(false);
        })
    }

    const appendData = (showMessage = true) => {
        if (!open) {
            return
        }
        setSelectLoading(true)
        const fakeDataUrl = process.env.NEXT_PUBLIC_TODO_REQUEST_URL + `/task/message/diary/select`;
        fetch(fakeDataUrl, {
            method: 'POST', headers: {
                'Content-Type': 'application/json', // 指定 JSON 格式
                'Authorization': `Bearer ${localStorage.getItem('platform-security')}`,
            }, body: JSON.stringify({pageNumber: page, pageSize: 100, data: {taskId: props.taskId}})
        })
            .then((res) => res.json())
            .then((body) => {
                const results = Array.isArray(body.data.content) ? body.data.content : [];
                if (results.length === 0) {
                    diaryList.push(noMore);
                    setNoMoreFlag(true);
                }
                setDiaryList(diaryList.concat(results));
                setPage(page + 1);
                showMessage && message.success(`${results.length} more items loaded!`);
                if (!showMessage) {
                    if (listRef && listRef.current && typeof listRef.current.scrollTo == 'function') {
                        listRef.current.scrollTo({top: 9999999});
                    }
                }
                setSelectLoading(false)
            });
    };

    useEffect(() => {
        appendData(false);
    }, [open]);

    useEffect(() => {
        console.log("处理日志集合", diaryList)
        const returnResult: ListDiary[] = []
        diaryList.filter(taskLog => {
            if (currentIndex === 0) {
                return true
            } else if (currentIndex === 1 && taskLog.enableFlag !== "0") {
                return true
            } else if (currentIndex === 2 && taskLog.enableFlag !== "1") {
                return true
            } else return false;
        }).reduce((map, taskLog) => {
            if (!map.has(dayjs(taskLog.createdDate).format("YYYY-MM-DD"))) {
                map.set(dayjs(taskLog.createdDate).format("YYYY-MM-DD"), []);
            }
            map.get(dayjs(taskLog.createdDate).format("YYYY-MM-DD"))?.push(taskLog);
            return map;
        }, new Map()).forEach((value, Key) => {
            returnResult.push(...value)
            returnResult.push({
                description: dayjs(Key).isSame(dayjs(), 'date') ? "今天" : dayjs(Key).format("YYYY-MM-DD"),
                id: dayjs(Key).format("YYYY-MM-DD"),
                enableFlag: "day-separate",
                taskId: props.taskId,
                createdDate: new Date()
            })
        })
        setDiaryReduceList(returnResult.reverse());
    }, [diaryList, currentIndex]);

    const listRef = useRef<ListRef>(null);
    const onScroll = (e: React.UIEvent<HTMLElement, UIEvent>) => {
        // Refer to: https://developer.mozilla.org/en-US/docs/Web/API/Element/scrollHeight#problems_and_solutions
        // if (
        //     Math.abs(e.currentTarget.scrollHeight - e.currentTarget.scrollTop - containerHeight) <= 1 &&
        //     !noMoreFlag
        // ) {
        //     appendData();
        // }
        if (e.currentTarget.scrollTop === 0 && !noMoreFlag) {
            appendData();
            setShouldScroll(false);
        }
    };
    // 数据 end
    // 滚动处理 start

    // 条件滚动
    useEffect(() => {
        console.log({shouldScroll}, {listRef})
        if (shouldScroll && listRef.current) {
            listRef.current.scrollTo({
                top: 99999,
            });
        }
    }, [diaryList, shouldScroll, open]);
    // 滚动处理  end
    // 点击操作 start
    const [clickTaskDiary, setClickTaskDiary] = useState<ListDiary>()
    const onClickTaskDiary = (item: ListDiary, operate: string) => {
        if (clickTaskDiary == item && operate == 'L') {
            setClickTaskDiary(undefined)
        } else {
            setClickTaskDiary(item)
        }
    }
    // 删除操作
    const [popConfirmOpen, setPopConfirmOpen] = useState(false);
    const [popConfirmLoading, setPopConfirmLoading] = useState(false);
    const popConfirmOk = () => {
        setPopConfirmLoading(true)
        if (clickTaskDiary) {
            deleteTaskLogByIdAPI(clickTaskDiary.id).then(res => {
                if (res.data.status.success) {
                    setDiaryList(diaryList.filter(taskLog => taskLog.id != clickTaskDiary.id))
                    message.info("删除成功")
                    setPopConfirmLoading(false)
                    setPopConfirmOpen(false)
                } else {
                    message.error(res.data.status.message)
                }
            })
        }
    }
    const handleCancel = () => {
        setPopConfirmOpen(false)
    }

    const editEnableFlag = (enableFlag: string) => {
        if (clickTaskDiary) {
            editEnableFlagAPI(clickTaskDiary.id, enableFlag).then(res => {
                if (res.data.status.success) {
                    setDiaryList(diaryList.map(taskLog => {
                        if (taskLog.id == clickTaskDiary.id) {
                            taskLog.enableFlag = enableFlag;
                        }
                        return taskLog;
                    }))
                    message.info("设置成功")
                } else {
                    message.error(res.data.status.message)
                }
            })
        }
    }

    const [addTaskOpen, setAddTaskOpen] = useState(false)

    const commonItems: MenuProps['items'] = [
        {
            label: '复制',
            key: '1',
            onClick: () => {
                copyToClipboard(clickTaskDiary!.description).then(res => {
                    res && message.info(`复制成功${clickTaskDiary!.description.length > 5 ? clickTaskDiary!.description.substring(0, 5) + "..." : clickTaskDiary!.description}`)
                })
            }
        },
        {
            label: '创建计划',
            key: '3',
            onClick: () => {
                //     打开添加任务窗口
                setAddTaskOpen(true)
            }
        },
        {
            label: '删除',
            key: '4',
            onClick: () => {
                setPopConfirmOpen(true)
            }
        },
        {
            label: '取消',
            key: '5',
            onClick: () => {
                setClickTaskDiary(undefined)
            }
        },
    ]
    const items: MenuProps['items'] = [];
    items.push(...commonItems)
    items.splice(1, 0, {
        label: '失效',
        key: '2',
        onClick: () => {
            editEnableFlag("0")
        },
    })
    const itemsEnable: MenuProps['items'] = [];
    itemsEnable.push(...commonItems)
    itemsEnable.splice(1, 0, {
        label: '生效',
        key: '2',
        onClick: () => {
            editEnableFlag("1")
        },
    })
    // 点击操作 end
    return (
        <Fragment>
            <Button type={open?"primary":"default"} onClick={() => setOpen(!open)}>
                日志心得
            </Button>
            <Drawer
                style={{boxSizing: "border-box"}}
                styles={{
                    body: {padding: "0 24px"}
                }}
                mask={false}
                title={props.taskName}
                closable={{'aria-label': 'Close Button'}}
                onClose={onClose}
                open={open}
                footer={
                    <div style={{
                        display: 'flex',
                        alignItems: 'stretch', // 关键：强制子项等高
                        justifyContent: 'space-between',
                        height: 'auto', // 父容器高度由内容决定
                    }}>
                        <TextArea
                            rows={4}
                            maxLength={255}
                            showCount
                            classNames={{count: 'ant-input-data-count-inner'}}
                            styles={{
                                count: {
                                    // color:"red",
                                    bottom: "0px"
                                }
                            }}
                            style={{
                                resize: 'none',
                                flex: 1, // 占据剩余空间
                            }}
                            value={sendValue}
                            onChange={(val) => setSendValue(val.target.value)}
                            placeholder='输入日记心得，长按日记心得有惊喜'
                            onKeyDown={event => {
                                console.log({event})
                                if (event.ctrlKey && event.key === 'Enter') {
                                    handleSend();
                                    // 阻止换行符插入
                                    event.preventDefault();
                                }
                            }}
                        />
                        <Button
                            type="primary"
                            style={{
                                flexShrink: 0,
                                width: '2rem',
                                whiteSpace: 'normal',
                                wordWrap: 'break-word',
                                margin: 0,
                                padding: "2px",
                                height: 'auto'// 移除 ，依赖父容器的 alignItems: 'stretch'
                            }}
                            loading={sendValueFlag}
                            onClick={handleSend}
                        >
                            {sendValueFlag ? '发送中...' : '发送'}
                        </Button>
                    </div>
                }
            >
                <div className="displayFlexRow titleButton"
                     style={{position: "sticky", top: "0", background: "white", zIndex: "100"}}>
                    <Button style={{flexGrow: 1}} onClick={() => setCurrentIndex(0)}
                            type={currentIndex == 0 ? "primary" : "default"}>全部</Button>
                    <Button style={{flexGrow: 1}} onClick={() => setCurrentIndex(1)}
                            type={currentIndex == 1 ? "primary" : "default"}>生效</Button>
                    <Button style={{flexGrow: 1}} onClick={() => setCurrentIndex(2)}
                            type={currentIndex == 2 ? "primary" : "default"}>失效</Button>
                </div>
                <List loading={selectLoading}>
                    <VirtualList
                        data={diaryReduceList}
                        height={containerHeight}
                        // itemHeight={47}
                        itemKey="id"
                        onScroll={onScroll}
                        // style={{height: "auto"}}
                        ref={listRef}
                    >
                        {item => (
                            item.enableFlag === 'day-separate' ?
                                <div className={style.container} key={item.keyId}>
                                    <div className={style.lineWithText}>
                                        <text className={style.centerText}>{item.description}</text>
                                    </div>
                                </div>
                                : <div className={style.logTaskContent} key={item.id}>
                                    <Dropdown menu={{items: (item.enableFlag == "1" ? items : itemsEnable)}}
                                              trigger={['contextMenu']}>
                                        <Popconfirm
                                            title="警告"
                                            description={`确认要删除日志:${item.description.length > 5 ? item.description.substring(0, 5) + '...' : item.description}?`}
                                            open={popConfirmOpen && clickTaskDiary?.id == item.id}
                                            onConfirm={popConfirmOk}
                                            okButtonProps={{loading: popConfirmLoading}}
                                            onCancel={handleCancel}
                                            okText="Yes"
                                            cancelText="No"
                                        >
                                            <div
                                                className={`${style.detailLine} ${item.id === clickTaskDiary?.id ? style.detailLineClick : ''}`}
                                                onClick={() => onClickTaskDiary(item, "L")}
                                                onContextMenu={() => onClickTaskDiary(item, "R")}>
                                                <text
                                                    style={{
                                                        textDecoration: item.enableFlag === '0' && currentIndex === 0 ? 'line-through' : '',
                                                        whiteSpace: 'pre-line'
                                                    }}>
                                                    {item.description}
                                                </text>
                                            </div>
                                        </Popconfirm>
                                    </Dropdown>
                                </div>
                        )}
                    </VirtualList>
                </List>
            </Drawer>
            {addTaskOpen && <DetailModelForm pid={props.taskId}
                                             operationId={OPERATION_BUTTON_TYPE.ADD_CHILD}
                                             description={"新增计划"}
                                             open={addTaskOpen}
                                             haveButton={false}
                                             reloadData={() => setAddTaskOpen(false)}
                                             taskContent={clickTaskDiary?.description}
            />}
        </Fragment>
    );
};
export default DiaryOption;