import React, {Component} from "React";
import {Form, Select, Input, Button, Checkbox, Upload, Icon, message, Modal} from "antd";
import {Link} from 'react-router-dom';
import TPMMDEditor from '../../../tpm/challengesnew/TPMMDEditor';
import {WordsBtn, getUrl} from 'educoder';
import axios from 'axios';
import Modals from '../../../modals/Modals';
import '../../css/Courses.css';

const {Option} = Select;
const CheckboxGroup = Checkbox.Group;
const confirm = Modal.confirm;
let GraduationTasksnewtype = true;

class GraduationTasksnew extends Component {

	constructor(props) {
		super(props)
		this.state = {
			coursename: "",
			coursesearch: "",
			title_num: 60,
			title_value: "",
			fileList: [],
			contents: [{val: "", id: 1}],
			type: true
		}
	}

	componentDidMount() {
		// const query =this.props.location.search;
		//
		// const type = query.split('&');
		// let name = type[1].split("name=")
		//     name = String(name).split(",")
		//     name = decodeURI(name[1])
		//
		// this.setState({
		//   coursename:name,
		//   coursesearch:this.props.location.search
		// })
	}

	scrollToAnchors = (anchorName) => {
		this.setState({
			anchor: anchorName
		})
	}


	handleSubmit = (e) => {
		let {fileList} = this.state;
		let listid = []

		for (var list of fileList) {
			listid.push(list.response.id)
		}
		e.preventDefault();
		if (GraduationTasksnewtype === true) {
			this.props.form.validateFields((err, values) => {
				if (!err) {
					if (values.tasktype === undefined) {
						this.scrollToAnchors("tasktypes");
						return
					}

					if (values.name === undefined) {
						this.scrollToAnchors("nametypes");
						return
					}

					if (values.description === undefined) {
						this.scrollToAnchors("descriptiontypes");
						return
					} else if (values.description.length > 5000) {
						this.scrollToAnchors("descriptiontypes");
						return
					}
					console.log('Received values of form: ', values);
					console.log(fileList);
					const course_id = this.props.match.params.coursesId;

					let url = "/courses/" + course_id + "/graduation_tasks.json"
					axios.post(url, {
							task_type: parseInt(values.tasktype),
							name: values.name,
							description: values.description,
							attachment_ids: listid,
						}
					).then((response) => {
						if (response.status === 200) {
							GraduationTasksnewtype = false;
							// this.goback();
							this.props.history.push("/courses/" + this.props.match.params.coursesId + "/graduation_tasks/" + this.props.match.params.category_id + "/" + response.data.task_id + "/setting");
						}
					}).catch((error) => {
						console.log(error)
					})
				}

			});
		}


	}


	goback = () => {
		let courseId = this.props.match.params.coursesId;
		let category_id = this.props.match.params.category_id;

		window.location.href = "/courses/" + courseId + "/graduation_tasks/" + category_id;
	}


	// 输入title
	changeTitle = (e) => {

		this.setState({
			title_num: 60 - parseInt(e.target.value.length),
			title_value: e.target.value
		})

	}
	// 附件相关 START
	handleChange = (info) => {
		let fileList = info.fileList;

		// for(var list of fileList ){
		//   console.log(list)
		// }
		this.setState({fileList});
	}

	onAttachmentRemove = (file) => {
		// confirm({
		//   title: '确定要删除这个附件吗?',
		//   okText: '确定',
		//   cancelText: '取消',
		//   // content: 'Some descriptions',
		//   onOk: () => {
		//     this.deleteAttachment(file)
		//   },
		//   onCancel() {
		//     console.log('Cancel');
		//   },
		// });
		// return false;

		this.setState({
			Modalstype: true,
			Modalstopval: '确定要删除这个附件吗?',
			ModalSave: () => this.deleteAttachment(file),
			ModalCancel: this.cancelAttachment
		})
		return false;
	}

	cancelAttachment = () => {
		this.setState({
			Modalstype: false,
			Modalstopval: '确定要删除这个附件吗?',
			ModalSave: "",
			ModalCancel: ""
		})
	}

	deleteAttachment = (file) => {
		const url = `/attachments/${file.response ? file.response.id : file.uid}.json`
		axios.delete(url, {})
			.then((response) => {
				if (response.data) {
					const {status} = response.data;
					if (status == 0) {
						console.log('--- success')

						this.setState((state) => {
							const index = state.fileList.indexOf(file);
							const newFileList = state.fileList.slice();
							newFileList.splice(index, 1);
							return {
								fileList: newFileList,
							};
						});
					}
				}
			})
			.catch(function (error) {
				console.log(error);
			});
	}

	//滚动
	ifHasAnchorJustScorll() {
		// let anchor = this.getURLStuff("anchor");

		let anchor = this.state.anchor;
		// console.log("anchor ", anchor);
		// 对应id的话, 滚动到相应位置
		if (!!anchor) {
			let anchorElement = document.getElementById(anchor);
			if (anchorElement) {
				window.scrollTo(0, anchorElement.offsetTop - window.innerHeight / 2);
			}
		}
		// 没有的话，滚动到头部
		else {
			document.body.scrollTop = document.documentElement.scrollTop = 0;
		}
	}

	render() {
		const {getFieldDecorator} = this.props.form;
		let {
			coursename, coursesearch, title_num, title_value, pageType, fileList, contents, type,
			Modalstype, Modalstopval, ModalCancel, ModalSave
		} = this.state;

		let {coursedata} = this.props;

		let courseId = this.props.match.params.coursesId;
		let position = this.props.match.params.position;
		let category_id = this.props.match.params.category_id;
		const uploadProps = {
			width: 600,
			fileList,
			multiple: true,
			// https://github.com/ant-design/ant-design/issues/15505
			// showUploadList={false}，然后外部拿到 fileList 数组自行渲染列表。
			// showUploadList: false,
			action: `${getUrl()}/api/attachments.json`,
			onChange: this.handleChange,
			onRemove: this.onAttachmentRemove,
			beforeUpload: (file) => {
				console.log('beforeUpload', file.name);
				const isLt150M = file.size / 1024 / 1024 < 150;
				if (!isLt150M) {
					message.error('文件大小必须小于150MB!');
				}
				return isLt150M;
			},
		};
		// this.ifHasAnchorJustScorll();
		// console.log(this.props.current_user.course_name)
		return (
			<React.Fragment>

				<div>
					{/*提示*/}
					<Modals
						modalsType={Modalstype}
						modalsTopval={Modalstopval}
						modalCancel={ModalCancel}
						modalSave={ModalSave}
					/>
					<div className="newMain clearfix">
						<div className={"educontent mb20"}>

							<p className="clearfix mt10">
								<WordsBtn style="grey" className="fl"> <Link to={"/courses/" + courseId + "/students"}
																														 className="color-grey-6">{this.props.current_user && this.props.current_user.course_name}</Link></WordsBtn>
								<span className="color-grey-9 fl ml3 mr3">&gt;</span>
								<WordsBtn style="grey" className="fl"> <Link
									to={"/courses/" + courseId + "/graduation_tasks/" + category_id} className="color-grey-6">毕设任务</Link></WordsBtn>
								<span className="color-grey-9 fl ml3 mr3">&gt;</span>
								<span>{"新建"}</span>
							</p>

							<div style={{width: '100%', height: '60px'}}>
								<p className=" fl color-black mt20 summaryname">新建毕设任务</p>
								<a className="color-grey-6 fr font-16 ml30 mt10 mr20" onClick={this.goback}>返回</a>
							</div>


							<Form labelCol={{span: 5}} wrapperCol={{span: 12}}
										onSubmit={GraduationTasksnewtype === true ? this.handleSubmit : ""}>
								<style>
									{
										`.ant-form-item-label{
                text-align: right;
    vertical-align: middle;
    padding: 0px 0px 20px 0px;
    display: inline-block;
    overflow: hidden;
    white-space: nowrap;
    line-height: 20px; */
            }
            .ant-form-item-control{
                line-height: 39.9999px;
    position: relative;
    zoom: 1;
            }
            `
									}
								</style>
								{/*内容*/}
								<div className="stud-class-set bor-bottom-greyE pt20 pl20 pr20 edu-back-white">

									<Form.Item label="类型" >
										{getFieldDecorator('tasktype', {
											rules: [{required: true, message: "请选择任务类型"}],
										})(<Select className={"greyInput mb20"}
															 style={{width: '20%'}}
															 placeholder="请选择任务类型">
											<Option value="1">普通</Option>
											<Option value="2">分组</Option>
										</Select>)}
										<input type="hidden" id='tasktypes'/>
										<span className={"newcoursestitle"}>（选择确认后，无法修改）</span>
									</Form.Item>

									<Form.Item label="任务标题" >
										{getFieldDecorator('name', {
											rules: [{required: true, message: "不能为空"}],
										})(<Input placeholder="请输入任务名称，最大限制60个字符" value={title_value} onInput={this.changeTitle}
															className="searchView searchViewAfter mb20 h40" style={{"width": "100%"}} maxLength="60"
															addonAfter={String(title_num)}/>)}
									</Form.Item>
									<input type="hidden" id='nametypes'/>
								</div>


								<div className="stud-class-set pt20 pl20 pr20  coursenavbox edu-back-white">
									<style>{`
                .uploadBtn.ant-btn {
                  border: none;
                  color: #4CACFF;
                  box-shadow: none;
                  background: transparent;
                  padding: 0 6px;
                }
                .ant-upload-list-item:hover .ant-upload-list-item-info{
                  background-color:#fff;
                }
                .upload_1 .ant-upload-list {
                  width: 350px;
                }
								.ant-form-item{
								  margin-bottom:0px
								}
              `}</style>
									<Form.Item
										label="内容"

									>
										{getFieldDecorator('description', {
											rules: [{
												required: true, message: '请输入帖子内容',
											}, {
												max: 5000, message: '最大限制为5000个字符',
											}],
										})(
											<TPMMDEditor ref={this.mdRef} placeholder={'请输入任务内容说明，最大限制5000个字符'}
																	 mdID={'courseMessageMD'} className="courseMessageMD"></TPMMDEditor>
										)}
									</Form.Item>
									<input type="hidden" id='descriptiontypes'/>
									<Upload {...uploadProps} className="upload_1 ml5">
										<Button className="uploadBtn">
											<Icon type="upload"/> 上传附件
										</Button>
										(单个文件150M以内)
									</Upload>
								</div>


								<Form.Item>
									<div className="clearfix mt30 mb30">
										<Button type="primary" htmlType="submit" className="defalutSubmitbtn fl mr20">提交</Button>
										<a onClick={this.goback} className="defalutCancelbtn fl">取消</a>
									</div>
								</Form.Item>
							</Form>

						</div>
					</div>
				</div>

			</React.Fragment>

		)
	}
}

const GraduationTasksnewApp = Form.create({name: 'coursesNew'})(GraduationTasksnew);
export default GraduationTasksnewApp;