const matched = window.location.search.match(/filter=(.+)/);
const compilationID = matched && matched[1] || '';

// 节流
function throttle(fn, time) {
    let canRun = true;
    return function () {
        if (!canRun) {
            return;
        }
        canRun = false;
        const rst = fn.apply(this, arguments);
        // 事件返回错误，说明没有发起请求，允许直接继续触发事件，不进行节流处理
        if (rst === false) {
            canRun = true;
            return;
        }
        setTimeout(() => canRun = true, time);
    }
}

const periodReg = /\d{4}-((0[1-9])|(1[0-2]))$/;
const quaterReg = /\d{4}年-[一二三四]{1}季度$/;
function createLib() {
    const name = $('#name').val();
    if (!name) {
        $('#name-error').show();
        return false;
    }
    const period = $('#period').val();
    if (!period || (!periodReg.test(period) && !quaterReg.test(period))) {
        $('#period-error').show();
        return false;
    }
    $('#add-lib-form').submit();
}

let curLib = {};

//设置当前库
function setCurLib(libID) {
    curLib.id = libID;
    curLib.name = $(`#${libID}`).text();
    curLib.compilationID = $(`#${libID}`).data('compilationid');
}

// 点击编辑按钮
function handleEditClick(libID) {
    setCurLib(libID);
    $('#edit').modal('show');
}

// 点击确认编辑
function handleEditConfirm() {
    const rename = $('#rename-text').val();
    if (!rename) {
        $('#rename-error').show();
        return false;
    }
    $('#edit').modal('hide');
    ajaxPost('/priceInfo/renameLib', { libID: curLib.id, name: rename })
        .then(() => $(`#${curLib.id} a`).text(rename));
}

// 删除需要连需点击三次才可删除
let curDelCount = 0;
// 点击删除按钮
function handleDeleteClick(libID) {
    setCurLib(libID);
    curDelCount = 0;
    $('#del').modal('show');
}

// 删除确认
function handleDeleteConfirm() {
    curDelCount++;
    if (curDelCount === 3) {
        $.bootstrapLoading.start();
        curDelCount = -10; // 由于需要连续点击，因此没有对此事件进行节流，为防止多次请求，一旦连续点击到三次，马上清空次数。
        $('#del').modal('hide');
        ajaxPost('/priceInfo/deleteLib', { libID: curLib.id })
            .then(() => $(`#${curLib.id}`).parent().remove())
            .finally(() => $.bootstrapLoading.end());
    }
}

// 获取地区
let curAreas = [];
let curAreaMap = {};
const getAreas = async () => {
    const areas = await ajaxPost('/priceInfo/getAreas', { compilationID: curLib.compilationID });
    return areas;
}

// 获取地区下拉选项映射,key为父地区、value为子地区
const getAreaMap = async () => {
    curAreas = await getAreas();
    const areaMap = {};
    curAreas.forEach(item => {
        const { name } = item;
        if (name) {
            let [parent, sub] = name.split('-');
            if (!sub) {
                sub = parent;
            }
            if (!areaMap[parent]) {
                areaMap[parent] = [sub];
            } else {
                areaMap[parent].push(sub);
            }
        }
    });
    return areaMap;
}

// 根据地区选项获取地区ID
const getAreaIDByOption = ($parent, $sub) => {
    const parentArea = $parent.val();
    const subArea = $sub.val();
    const areaItem = curAreas.find(item => [parentArea, `${parentArea}-${subArea}`].includes(item.name));
    console.log(areaItem);
    return areaItem?.ID;
}

// 设置地区下拉项
const setAreaOption = ($parent, $sub, areaMap) => {
    $parent.unbind();
    const parentAreas = Object.keys(areaMap);
    $parent.empty();
    const parentOptionsHtml = parentAreas.map(parentArea => `<option value="${parentArea}">${parentArea}</option>`).join('');
    $parent.append(parentOptionsHtml);
    const setSubs = (subsArea) => {
        $sub.empty();
        const subOptionsHtml = subsArea.map(subArea => `<option value="${subArea}">${subArea}</option>`).join('');
        $sub.append(subOptionsHtml);
    }
    setSubs(areaMap[parentAreas[0]] || []);
    $parent.change(() => {
        const curParent = $parent.val();
        setSubs(areaMap[curParent] || []);
        getAreaIDByOption();
    });
}

let importType = 'originalData';

const importTitleMap = {
    originalData: '原始数据',
    mainSub: '主从数据',
    keys: '关键字数据',
};

// 点击导入按钮
async function handleImportClick(libID, type) {
    try {
        setCurLib(libID);
        importType = type;
        $('#import-title').text(`导入${importTitleMap[type] || '数据'}`);
        if (['mainSub', 'keys'].includes(importType)) {
            $('#import-area').show();
            const areaMap = await getAreaMap();
            setAreaOption($('#import-parent-area'), $('#import-sub-area'), areaMap);
        } else {
            $('#import-area').hide();
        }
        $('#import').modal('show');
    } catch (error) {
        alert(error.message);
    }
}

// 导入确认
function handleImportConfirm() {
    $.bootstrapLoading.start();
    const self = $(this);
    try {
        const areaID = getAreaIDByOption($('#import-parent-area'), $('#import-sub-area'));
        if (!areaID) {
            throw '请选择地区！';
        }
        const formData = new FormData();
        const file = $("input[name='import_data']")[0];
        if (file.files.length <= 0) {
            throw '请选择文件!';
        }
        formData.append('file', file.files[0]);
        formData.append('libID', curLib.id);
        formData.append('areaID', areaID);
        formData.append('importType', importType);
        $.ajax({
            url: '/priceInfo/importExcel',
            type: 'POST',
            data: formData,
            cache: false,
            contentType: false,
            processData: false,
            beforeSend: function () {
                self.attr('disabled', 'disabled');
                self.text('上传中...');
            },
            success: function (response) {
                self.removeAttr('disabled');
                self.text('确定导入');
                if (response.err === 0) {
                    $.bootstrapLoading.end();
                    const message = response.msg !== undefined ? response.msg : '';
                    if (message !== '') {
                        alert(message);
                    }
                    // 成功则关闭窗体
                    $('#import').modal("hide");
                } else {
                    $.bootstrapLoading.end();
                    const message = response.msg !== undefined ? response.msg : '上传失败!';
                    alert(message);
                }
            },
            error: function () {
                $.bootstrapLoading.end();
                alert("与服务器通信发生错误");
                self.removeAttr('disabled');
                self.text('确定导入');
            }
        });
    } catch (error) {
        alert(error);
        $.bootstrapLoading.end();
    }
}


// 点击导出按钮
async function handleExportClick(libID) {
    try {
        setCurLib(libID);
        $('#export').modal('show');
        const areaMap = await getAreaMap();
        setAreaOption($('#export-parent-area'), $('#export-sub-area'), areaMap);
    } catch (error) {
        alert(error.message);
    }
}

// 导出确认
function handleExportConfirm() {
    const areaID = getAreaIDByOption($('#export-parent-area'), $('#export-sub-area'));
    if (!areaID) {
        alert('请选择地区！');
        return;
    }
    $('#export').modal('hide');
    window.location.href = `/priceInfo/export?libID=${curLib.id}&areaID=${areaID}`;
}

// 导出信息价库数据
function handleExportInfoPriceByLib(libID) {
    setCurLib(libID);
    window.location.href = `/priceInfo/exportInfoPriceByLib?libID=${libID}`;
}

// 导出编办信息价数据
function handleExportInfoPriceByCompilation() {
    if (!compilationID) {
        alert('请选择编办！');
        return;
    }
    window.location.href = `/priceInfo/exportInfoPriceByCompilation?compilationID=${compilationID}`;
}

const { ProcessStatus, CRAWL_LOG_KEY } = window.PRICE_INFO_CONST;

const CHECKING_TIME = 5000;
// 检测爬取、导入是否完成
function processChecking(key, cb) {
    checking();

    function checking() {
        ajaxPost('/priceInfo/processChecking', { key })
            .then(handleResolve)
            .catch(handleReject)
    }

    let timer;
    function handleResolve({ key, status, errorMsg }) {
        if (status === ProcessStatus.START) {
            if (!$('#progressModal').is(':visible')) {
                const title = key === CRAWL_LOG_KEY ? '爬取数据' : '导入数据';
                const text = key === CRAWL_LOG_KEY ? '正在爬取数据，请稍候……' : '正在导入数据，请稍候……';
                $.bootstrapLoading.progressStart(title, true);
                $("#progress_modal_body").text(text);
            }
            timer = setTimeout(checking, CHECKING_TIME);
        } else if (status === ProcessStatus.FINISH) {
            if (timer) {
                clearTimeout(timer);
            }
            $.bootstrapLoading.progressEnd();
            if (cb) {
                cb();
            }
        } else {
            if (timer) {
                clearTimeout(timer);
            }
            if (errorMsg) {
                alert(errorMsg);
            }
            if (cb) {
                cb();
            }
            $.bootstrapLoading.progressEnd();
        }
    }
    function handleReject(err) {
        if (timer) {
            clearInterval(timer);
        }
        alert(err);
        $.bootstrapLoading.progressEnd();
    }
}

// 爬取数据确认
function handleCrawlConfirm() {
    const from = $('#period-start').val();
    const to = $('#period-end').val();
    if (!(periodReg.test(from) && periodReg.test(to)) && !(quaterReg.test(from) && quaterReg.test(to))) {
        $('#crawl-error').show();
        return false;
    }
    $('#crawl').modal('hide');
    ajaxPost('/priceInfo/crawlData', { from, to, compilationID }, 0) // 没有timeout
        .then(() => {
            processChecking(CRAWL_LOG_KEY, () => window.location.reload());
        })
}
/* function handleCrawlConfirm() {
    const from = $('#period-start').val();
    const to = $('#period-end').val();
    if (!periodReg.test(from) || !periodReg.test(to)) {
        $('#crawl-error').show();
        return false;
    }
    $('#crawl').modal('hide');
    $.bootstrapLoading.progressStart('爬取数据', true);
    $("#progress_modal_body").text('正在爬取数据，请稍候……');
    // 不用定时器的话，可能finally处理完后，进度条界面才显示，导致进度条界面没有被隐藏
    const time = setInterval(() => {
        if ($('#progressModal').is(':visible')) {
            clearInterval(time);
            ajaxPost('/priceInfo/crawlData', { from, to, compilationID }, 0) // 没有timeout
                .then(() => {
                    window.location.reload();
                })
                .finally(() => $.bootstrapLoading.progressEnd());
        }
    }, 500);
} */

const throttleTime = 1000;
$(document).ready(function () {
    processChecking();

    // 锁定、解锁
    $('.lock').click(function () {
        lockUtil.handleLockClick($(this));
    });
    // 新增
    $('#add-lib').click(throttle(createLib, throttleTime));
    // 重命名
    $('#rename').click(throttle(handleEditConfirm, throttleTime));
    // 删除
    $('#delete').click(handleDeleteConfirm);
    // 爬取数据
    $('#crawl-confirm').click(throttle(handleCrawlConfirm, throttleTime));
    // 导出excel
    $('#export-confirm').click(throttle(handleExportConfirm, throttleTime));
    // 导入excel
    $('#import-confirm').click(throttle(handleImportConfirm, throttleTime));

    $('#add').on('hidden.bs.modal', () => {
        $('#name-error').hide();
        $('#period-error').hide();
    });
    $('#edit').on('hidden.bs.modal', () => $('#rename-error').hide());
    $('#crawl').on('hidden.bs.modal', () => $('#crawl-error').hide());

    $('#export-compilation-price').click(() => {
        handleExportInfoPriceByCompilation();
    })
});