import { Prop, Watch, Emit } from 'vue-property-decorator';
import { CalendarControlBase } from '../../../widgets/calendar-control-base';
import FullCalendar from '@fullcalendar/vue';
import { throttle, Util } from 'ibiz-core';
import { IPSSysCalendar, IPSSysCalendarItem } from '@ibiz/dynamic-model-api';

/**
 * 应用日历部件基类
 *
 * @export
 * @class AppCalendarBase
 * @extends {CalendarControlBase}
 */
export class AppCalendarBase extends CalendarControlBase {

    /**
     * 部件动态参数
     *
     * @memberof AppCalendarBase
     */
    @Prop() public declare dynamicProps: any;

    /**
     * 部件静态参数
     *
     * @memberof AppCalendarBase
     */
    @Prop() public declare staticProps: any;

    /**
     * 监听部件动态参数变化
     *
     * @param {*} newVal
     * @param {*} oldVal
     * @memberof AppCalendarBase
     */
    @Watch('dynamicProps', {
        immediate: true,
    })
    public onDynamicPropsChange(newVal: any, oldVal: any) {
        if (newVal && !Util.isFieldsSame(newVal, oldVal)) {
            super.onDynamicPropsChange(newVal, oldVal);
        }
    }

    /**
     * 监听部件静态参数变化
     *
     * @param {*} newVal
     * @param {*} oldVal
     * @memberof AppCalendarBase
     */
    @Watch('staticProps', {
        immediate: true,
    })
    public onStaticPropsChange(newVal: any, oldVal: any) {
        if (newVal && !Util.isFieldsSame(newVal, oldVal)) {
            super.onStaticPropsChange(newVal, oldVal);
        }
    }

    /**
     * 部件事件
     *
     * @param {{ controlname: string; action: string; data: any }} { controlname 部件名称, action 事件名称, data 事件参数 }
     * @memberof AppCalendarBase
     */
    @Emit('ctrl-event')
    public ctrlEvent({ controlname, action, data }: { controlname: string; action: string; data: any }): void { }

    /**
     * 销毁视图回调
     *
     * @memberof AppCalendarBase
     */
    public destroyed() {
        this.ctrlDestroyed();
    }


    /**
     * TODO绘制日历项
     * 
     * @memberof AppCalendarBase
     */
    public renderCalendarItems() {
        const calendarItems: Array<IPSSysCalendarItem> = (this.controlInstance as IPSSysCalendar).getPSSysCalendarItems() || [];
        if (calendarItems.length > 1) {
            return calendarItems.map((item: IPSSysCalendarItem) => {
                if (!item.itemType) {
                    return null;
                }
                const itemClass = {
                    "event-lengend": true,
                    [item.itemType]: true,
                    "event-disabled": !this.isShowlegend[item.itemType]
                }
                return (
                    <div class={itemClass} on-click={() => { throttle(this.legendTrigger, [item.itemType as string], this); }}>
                        <div class="lengend-icon" style={"background: " + item.bKColor}></div>
                        <span style={"color:" + item.color}>{item.name}</span>
                    </div>
                );
            })
        }
    }

    /**
     * 绘制日历内容
     * 
     * @memberof AppCalendarBase
     */
    public renderContent() {
        let _this: any = this;
        if (this.ctrlParams) {
            return (
                <app-calendar-timeline
                    ref="appCalendarTimeline"
                    ctrlParams={this.ctrlParams}
                    context={Util.deepCopy(this.context)}
                    viewparams={Util.deepCopy(this.viewparams)}
                    on-eventClick={(tempEvent: any) => {
                        throttle(this.onEventClick, [tempEvent, true], this);
                    }}
                    events={this.load}>
                </app-calendar-timeline>
            )
        }
        return ([
            <FullCalendar
                ref={_this.controlInstance?.codeName}
                locale={_this.$i18n?.locale}
                height="parent"
                firstDay={1}
                eventLimit={true}
                editable={!this.isSelectFirstDefault && true}
                buttonText={this.buttonText}
                header={this.header}
                plugins={this.calendarPlugins}
                events={this.load.bind(this)}
                customButtons={this.customButtons}
                validRange={this.validRange}
                defaultDate={this.defaultDate}
                eventRender={this.eventRender.bind(this)}
                navLinks={this.quickToolbarItems?.length > 0 ? true : false}
                navLinkDayClick={(...params: any[]) => throttle(this.onDayClick, params, this)}
                on-dateClick={(...params: any[]) => throttle(this.onDateClick, params, this)}
                on-eventClick={(...params: any[]) => throttle(this.onEventClick, params, this)}
                on-eventDrop={this.onEventDrop.bind(this)}
                defaultView={this.defaultView}
            >
            </FullCalendar>,
            <modal
                v-model={this.modalVisible}
                width="250px"
                title={this.$t('app.calendar.dateselectmodaltitle')}
                class-name="date-select-model"
                on-on-ok={() => this.gotoDate()} >
                <el-date-picker style="width: 200px" v-model={this.selectedGotoDate} type="date"></el-date-picker>
            </modal>
        ])
    }

    /**
     * TODO 绘制批操作工具栏
     * 
     * @memberof AppCalendarBase
     */
    public renderBatchToolbar() {

    }

    /**
     * 绘制数据项面板
     * 
     * @param item 数据项
     * @memberof AppCalendarBase
     */
    public renderItemPanel(item: any, calendarItem: any) {
        let { targetCtrlName, targetCtrlParam, targetCtrlEvent }: { targetCtrlName: string, targetCtrlParam: any, targetCtrlEvent: any } = this.computeTargetCtrlData(calendarItem.getPSLayoutPanel(), item);
        return this.$createElement(targetCtrlName, { props: targetCtrlParam, ref: item.id, on: targetCtrlEvent });
    }

    /**
     * 绘制数据项
     * 
     * @param item 数据项
     * @param index 下标
     * @memberof AppCalendarBase
     */
    public renderTimeLineItem(item: any, index: number) {
        const calendarItem = (this.controlInstance as IPSSysCalendar).getPSSysCalendarItems()?.find((_item: any) => {
            return item?.itemType == _item.itemType;
        });
        return (
            <el-timeline-item
                key={`${item.title}${index}`}
                color={item.color}
                timestamp={item.start}
                placement="top">
                <context-menu
                    contextMenuStyle={{ width: '100%', 'padding-right': '12px' }}
                    data={item}
                    renderContent={this.renderContextMenu.bind(this)}>
                    <el-card
                        nativeOn-click={() => { throttle(this.onTimeLineClick, [item], this) }}
                        class={{ ...item.className, 'is-select': item.isSelect ? true : false }}>
                        {calendarItem && calendarItem.getPSLayoutPanel() ?
                            this.renderItemPanel(item, calendarItem) :
                            <div>
                                <h4 style={{ 'margin-bottom': item.content ? '10px' : '0px' }}>{item.title}</h4>
                                <p>{item.content}</p>
                            </div>}
                    </el-card>
                </context-menu>
            </el-timeline-item>
        );
    }

    /**
     * 绘制
     * 
     * @memberof AppCalendarBase
     */
    public render() {
        if (!this.controlIsLoaded || !this.inited || !this.controlInstance) {
            return null;
        }
        const { controlClassNames } = this.renderOptions;
        if (Object.is(this.controlInstance.calendarStyle, "TIMELINE")) {
            if (this.events.length > 0) {
                return (
                    <el-timeline>
                        {this.events.map((event: any, index: number) => {
                            return this.renderTimeLineItem(event, index);
                        })}
                    </el-timeline>
                );
            } else {
                return (
                    <div>
                        <span class="app-data-empty">{this.$tl(this.controlInstance.getEmptyTextPSLanguageRes()?.lanResTag, this.$t('app.commonwords.nodata'))}</span>
                        <span class="quick-toobar">
                            {this.renderQuickToolbar()}
                        </span>
                    </div>
                );
            }
        } else {
            return (
                <div class={{ ...controlClassNames, 'calendar': true, 'select-first-calendar': this.isSelectFirstDefault }}>
                    <context-menu-container>
                        <div class="event-legends">
                            {this.renderCalendarItems()}
                        </div>
                        {this.renderContent()}
                    </context-menu-container>
                    {this.renderBatchToolbar()}
                </div>
            );
        }
    }
}