'use strict';

const dsk = (function () {
    const projectType = [
        { key: 'folder', value: 1, name: '文件夹' },
        { key: 'project', value: 2, name: '建设项目' },
        { key: 'unit', value: 3, name: '单位工程' },
        { key: 'item', value: 4, name: '单项工程' },
    ];
    const projectTypeKey = (function(arr) {
        const result = {};
        for (const a of arr) {
            result[a.key] = a.value;
        }
        return result;
    })(projectType);
    const checkBind = async function() {
        const data = await postDataAsync('/profile/dsk/api', {type: 'hadbind'});
        return data !== 1 && data !== 2;
    };
    const loadCompilation = async function () {
        const data = await postDataAsync('/profile/dsk/api', {type: 'compilation'});
        return data.compilation;
    };
    const loadProject = async function(compilationId, showWaiting = true) {
        return await postDataAsync('/profile/dsk/api', {type: 'project', compilationId}, showWaiting);
    };
    const loadProjectTree = async function (compilationId, projectId, showWaiting = true) {
        return await postDataAsync('/profile/dsk/api', {type: 'project_tree', compilationId, projectId}, showWaiting)
    };
    const loadBills = async function(compilationId, subjectId, showWaiting = true) {
        return await postDataAsync('/profile/dsk/api', {type: 'project_bills', compilationId, treeId: subjectId}, showWaiting)
    };

    class DskTree {
        /**
         *
         * @param setting - {Object}配置
         * setting中必须设置id,pid,order,rootId（id, 父id, 同层排序, 根节点id）
         * e.g.{id: 'ID', pid: 'parentID', order: 'seq'}
         * 目前仅用于载入建筑ybp文件中的清单部分，生成树结构以便汇总导入
         */
        constructor(setting) {
            this.setting = JSON.parse(JSON.stringify(setting));
            this.clearDatas();
        }
        clearDatas() {
            // 数据集合
            this.datas = [];
            // id索引
            this.items = {};
            // 排序索引
            this.nodes = [];
            // 首层节点
            this.children = [];
        }

        sortChildren(children, recursive) {
            const setting = this.setting;
            children.sort((x, y) => { return x[setting.order] > y[setting.order]; });

            if (!recursive) return;
            for (const c of children) {
                this.sortChildren(c.children);
            }
        }
        sort() {
            this.sortChildren(this.children, true);
            const self = this;
            const _loadNode = function(node) {
                self.nodes.push(node);
                for (const c of node.children) {
                    _loadNode(c);
                }
            };
            for (const child of this.children) {
                _loadNode(child);
            }
        }
        loadDatas(datas) {
            this.clearDatas();
            const setting = this.setting;
            const self = this;
            const _loadData = function(d) {
                if (d[setting.pid] === setting.rootId) {
                    self.children.push(d);
                } else {
                    let parent = self.items[d[setting.pid]];
                    if (!parent) {
                        parent = datas.find(x => { return x[setting.id] === d[setting.pid]; });
                        if (!parent) {
                            // console.log(d[setting.pid]);
                            return null;
                        }
                        parent = _loadData(parent);
                    }
                    if (!parent) return null;
                    parent.children.push(d);
                }
                d.children = [];
                self.datas.push(d);
                self.items[d[setting.id]] = d;
                return d;
            };
            for (const d of datas) {
                if (this.items[d[setting.id]]) continue;
                _loadData(d);
            }
            this.sort();
        }
    }

    const chooseSubjectObj = {
        obj: null,
        compilationObj: null,
        subjectSpread: null,
        subjectSheet: null,
        compliation: null,
        loadCompilation: async function() {
            if (this.compliation) return;

            this.compliation = await loadCompilation();
            for (const c of this.compliation) {
                c.project = await loadProject(c.ID);
            }
            const html = [];
            for (const c of this.compliation) {
                html.push(`<option value="${c.ID}">${c.name}</option>`);
            }
            this.compilationObj.html(html.join(''));
        },
        analysisSubjectTree(compilation) {
            const subjectTree = createNewPathTree('gather', {
                id: 'id',
                pid: 'pid',
                order: 'sort',
                level: 'level',
                rootId: -1,
                fullPath: 'full_path',
            });
            const tempTree = new DskTree({ id: 'ID', pid: 'parentID', order: 'seq', rootId: '-1' });
            tempTree.loadDatas(compilation.project);
            const projectTree = new DskTree({ id: 'ID', pid: 'parentID', order: 'seq', rootId: '-1' });

            const loadProjectTreeNode = function (data, parent, project) {
                let cur;
                if (data.type === projectTypeKey.project) {
                    cur = parent;
                } else {
                    const type = projectType.find(x => { return x.value === data.type; });
                    const node = { type: type.value, type_str: type.name, dsk_id: data.ID, name: data.name, project_id: project.ID, compilation_id: compilation.ID };
                    cur = subjectTree.addNode(node, parent);
                }
                if (data.children) {
                    data.children.forEach(c => {
                        loadProjectTreeNode(c, cur, project);
                    })
                }
            };
            const loadTempTreeNode = function (data, parent) {
                const type = projectType.find(x => { return x.value === data.type; });
                const node = { type: type.value, type_str: type.name, dsk_id: data.ID, name: data.name, compilation_id: compilation.ID };
                const cur = subjectTree.addNode(node, parent);
                if (data.children) {
                    data.children.forEach(c => {
                        loadTempTreeNode(c, cur);
                    })
                }
                if (data.type === projectTypeKey.project) {
                    projectTree.loadDatas(data.subjects);
                    cur.project_id = data.ID;
                    projectTree.children.forEach(c => {
                        loadProjectTreeNode(c, cur, data);
                    });
                }
            };
            tempTree.children.forEach(c => {
                loadTempTreeNode(c, null);
            });
            subjectTree.sortTreeNode(true);
            compilation.subjectTree = subjectTree;
        },
        loadSubjects: async function (compilationId) {
            showWaitingView();
            const compilation = compilationId ? this.compliation.find(x => { return x.ID === compilationId}) : this.compliation[0];
            if (!compilation) return;
            if (!compilation.subjectTree) {
                for (const p of compilation.project) {
                    if (p.type === projectTypeKey.project) p.subjects = await loadProjectTree(compilation.ID, p.ID, false);
                }
                this.analysisSubjectTree(compilation);
            }
            SpreadJsObj.loadSheetData(this.subjectSheet, SpreadJsObj.DataType.Tree, compilation.subjectTree);
            closeWaitingView();
        },
        getSelectSubjects: function () {
            const tree = this.subjectSheet.zh_tree;
            if (!tree) return [];

            return tree.datas.filter(x => { return x.type === projectTypeKey.item && x.selected; }).map(x => { return { compilationId: x.compilation_id, subjectId: x.dsk_id }; });
        },
        csButtonClicked: function(e, info) {
            if (!info.sheet.zh_setting) return;

            const col = info.sheet.zh_setting.cols[info.col];
            if (col.field !== 'selected') return;

            const tree = info.sheet.zh_tree;
            const node = SpreadJsObj.getSelectObject(info.sheet);
            if (!node.selected) {
                const canChoose = chooseSubjectObj.setting.validCheck ? chooseSubjectObj.setting.validCheck(node, tree) : true;
                if (!canChoose) return;
            }

            node.selected = !node.selected;
            if (node.children && node.children.length > 0) {
                const posterity = tree.getPosterity(node);
                for (const p of posterity) {
                    p.selected = node.selected;
                }
                SpreadJsObj.reLoadRowData(info.sheet, info.row, posterity.length + 1);
            } else {
                SpreadJsObj.reLoadRowData(info.sheet, info.row, 1);
            }
        },
        init() {
            if (this.subjectSpread) return;

            this.obj = $('#choose-dsk-subject');
            this.compilationObj = $('#cdsks-compilation');
            this.subjectSpread = SpreadJsObj.createNewSpread($('#cdsks-spread')[0]);
            this.subjectSheet = this.subjectSpread.getActiveSheet();
            SpreadJsObj.initSheet(this.subjectSheet, {
                cols: [
                    {title: '选择', field: 'selected', hAlign: 1, width: 60, formatter: '@', cellType: 'checkbox'},
                    {title: '项目/分段名称', field: 'name', hAlign: 0, width: 740, formatter: '@', cellType: 'tree'},
                    {title: '类型', field: 'type_str', hAlign: 0, width: 80, formatter: '@' },
                ],
                emptyRows: 0,
                headRows: 1,
                headRowHeight: [32],
                defaultRowHeight: 21,
                headerFont: '12px 微软雅黑',
                font: '12px 微软雅黑',
                selectedBackColor: '#fffacd',
                readOnly: true,
            });
            this.subjectSpread.bind(spreadNS.Events.ButtonClicked, this.csButtonClicked);

            $('#choose-dsk-subject-ok').click(() => {
                if (chooseSubjectObj.setting.callback) {
                    const subjects = chooseSubjectObj.getSelectSubjects();
                    if (subjects.length === 0) {
                        toastr.warning('请选择导入的计价分段');
                        return;
                    }
                    chooseSubjectObj.setting.callback(subjects);
                    this.obj.modal('hide');
                }
            });
            $('#choose-dsk-subject').on('shown.bs.modal', function() {
                chooseSubjectObj.subjectSpread.refresh();
            });
            $('#cdsks-compilation').click(function() {
                chooseSubjectObj.loadSubjects(this.value);
            });
        },
        async show (setting) {
            this.init();
            this.setting = setting;
            this.obj.modal('show');
            await this.loadCompilation();
            await this.loadSubjects();
        }
    };

    const chooseSubject = function (setting) {
        chooseSubjectObj.show(setting);
    };

    return {
        projectType, projectTypeKey,
        checkBind, loadCompilation, loadProject, loadProjectTree, loadBills,
        chooseSubject
    };
})();