import React, {Component} from 'react'
import {VList} from '../../common'
import {Tabs, WhiteSpace} from 'antd-mobile'
import './courselist.scss'
import HeaderSearch from '../../common/HeaderSearch/index'
import {http, api, getParam} from "@/utils"
import {Toast} from 'antd-mobile'
import {Link} from 'react-router-dom'
import Loading from '@/common/Loading'


class Classify extends Component {
    constructor(props) {
        super(props)
        this.state = {
            ispull: false,
            display: 'none',
            arr: [{basics: []}, {advanced: []}],
            allClass: [],
            data: [],
            activeTab: decodeURIComponent(getParam('name')),
            isLoading: true
        }

    }

    componentDidMount() {
        this.getTabs()
        this.getList()
    }

    // 获取tabs接口
    getTabs = () => {
        let data = 0
        http.get(`${api.home}/m/course/classify/${data}`)
            .then((res) => {
                const _this = this
                if (res.data.code === 200) {
                    if (res.data.data.common.length > 0) {
                        let arr = ['basics', 'advanced']
                        let arr2 = [{basics: []}, {advanced: []}]
                        let arr3 = []
                        arr.forEach(function (item, index) {
                            arr2[item] = res.data.data.common[index]
                            res.data.data.common[index].list.forEach(function (item, index) {
                                arr3.push({'title': item.c_name, 'id': item.c_id})
                            })
                        })
                        _this.setState({
                            arr: arr2,
                            allClass: arr3
                        })
                    }
                } else {
                    Toast.info(res.data.msg, 2)
                }

            })
            .catch(err => {
                console.log(err)
            })
    }

    // 获取课程接口
    getList = () => {
        http.get(`${api.home}/m/course/list/${getParam('id')}`).then((res) => {
            if (res.data.code === 200) {
                this.setState({
                    data: res.data.data,
                    isLoading: false
                })
            }
        })
    }


    // 点击横向滚动tab查询
    ontabclick = (tab) => {
        this.props.history.push(`/courselist?id=${tab.id}&name=${tab.title}`)
        this.getList()
        this.setState({
            activeTab: decodeURIComponent(getParam('name'))
        });
    }

    // 上下展示
    pulldown = () => {
        this.setState(status => ({
            ispull: !status.ispull,
            display: status.ispull ? 'none' : 'block'
        }));
    }

    // 弹窗里面tab点击查询
    labelclick = (item) => {
        this.props.history.push(`/courselist?id=${item.c_id}&name=${item.c_name}`)
        this.getList()
        this.setState(status => ({
            ispull: !status.ispull,
            display: status.ispull ? 'none' : 'block',
            activeTab: decodeURIComponent(getParam('name'))
        }))
    }

    render() {
        const bottom = (
            <i className={'iconfont iconiconfront-69 pull-down'}></i>
        )
        const top = (
            <i className={'iconfont iconiconfront-71 pull-down'}></i>
        )

        let page = this.state.allClass.findIndex((item) => item.title === this.state.activeTab)

        return (
            <div className='class-child'>
                <HeaderSearch></HeaderSearch>
                <Loading isLoading={this.state.isLoading}>
                    <div className='class-content'>
                        <WhiteSpace/>
                        <div onClick={this.pulldown.bind(this)}>
                            {this.state.ispull ? top : bottom}
                        </div>
                        <Tabs
                            tabs={this.state.allClass}
                            animated={false}
                            page={page}
                            onChange={(tab) => this.ontabclick(tab)}
                        >
                            <div className='tabs'>
                                <ul>
                                    {this.state.data && this.state.data.length > 0 && this.state.data.map((item, index) => {
                                        const Info = (
                                            <div className="info">
                                                <p className='title'>
                                                    <Link to={`/detail?id=${item.course_id}`}>
                                                        {item.course_title}
                                                    </Link>
                                                </p>
                                                <p className='contact text-overflow-2'>{item.desc}</p>
                                                <div className='des'>
                                                    {!item.is_buy && <p className="course-price">
                                                        <span className="new">¥{item.price0}</span>
                                                        <span className="old">¥{item.price1}</span>
                                                    </p>
                                                    }
                                                    {item.is_buy &&
                                                    <a href="/#" className="isbuy">已购买</a>
                                                    }
                                                </div>
                                            </div>
                                        )
                                        const status = (
                                            <div>
                                                {item.bargain_num === 0 && item.groupon_num !== 0 &&
                                                <p className='course-status'>拼团减{item.groupon_num}元</p>
                                                }
                                                {item.bargain_num !== 0 && item.groupon_num === 0 &&
                                                <p className='course-status'>砍价减{item.bargain_num}元</p>
                                                }
                                                {
                                                    item.is_aist && <span className='return_cash'></span>
                                                }
                                            </div>
                                        )
                                        return (
                                            <VList key={index} status={status}
                                                   img={item.image_name} id={item.course_id}
                                                   info={Info}></VList>
                                        )
                                    })}
                                </ul>
                            </div>
                        </Tabs>
                        <WhiteSpace/>
                    </div>
                    <div className='mbc-box' style={{display: this.state.display}}>
                        {
                            this.state.arr.basics &&
                            <div className="tabcontent">
                                <ClassCourse activeTab={this.state.activeTab} data={this.state.arr.basics.list}
                                             title={this.state.arr.basics.name} labelclick={this.labelclick}/>
                                <ClassCourse activeTab={this.state.activeTab} data={this.state.arr.advanced.list}
                                             title={this.state.arr.advanced.name} labelclick={this.labelclick}/>
                            </div>
                        }
                    </div>
                </Loading>
            </div>
        )
    }

}

function ClassCourse(props) {
    return (
        <div className="class-course">
            <p className='course-items-title'>{props.title}</p>
            <div className='items-box'>
                {
                    props.data && props.data.length > 0 && props.data.map((item, index) => {
                        return (
                            <span className={props.activeTab === item.c_name ? 'active-label' : 'item-label'}
                                  key={index} onClick={e => props.labelclick(item)}>{item.c_name}</span>
                        )
                    })
                }
            </div>
        </div>
    )
}

export default Classify;
