import React, { useEffect, useState } from 'react';
import { Modal, Form, Select, Button, Card, Typography, message } from 'antd';
import { CloseOutlined, PlusOutlined, EditOutlined, CaretRightFilled } from '@ant-design/icons';
import VideoSelectModal from '../videoSelectModal';
import EditTitleCoverModal from '../editTitleCoverModal';
import { VideoItem } from '../types'; // Import from common types
import { GzhPlanDataType, GzhPlanType } from '../../hooks/useGzhPlanList';
import { useAccountOptions } from '../../hooks/useAccountOptions';

const { Option } = Select;
const { Paragraph } = Typography;

interface AddPunlishPlanModalProps {
	visible: boolean;
	onCancel: () => void;
	onOk: (values: GzhPlanDataType) => void; // Pass form values on OK
	actionType: 'add' | 'edit';
	planType: GzhPlanType;
	editPlanData?: GzhPlanDataType;
	isSubmiting?: boolean;
}

const AddPunlishPlanModal: React.FC<AddPunlishPlanModalProps> = ({
	visible,
	isSubmiting,
	onCancel,
	onOk,
	actionType,
	planType,
	editPlanData
}) => {
	const [form] = Form.useForm();
	const type = Form.useWatch('type', form);
	const selectVideoType = Form.useWatch('selectVideoType', form);
	const [selectedVideos, setSelectedVideos] = useState<VideoItem[]>([]);
	const [isVideoSelectVisible, setIsVideoSelectVisible] = useState(false);
	const [playingVideo, setPlayingVideo] = useState<VideoItem | null>(null); // State for video player modal
	const [editingVideo, setEditingVideo] = useState<VideoItem | null>(null); // State for editing modal
	const { accountOptions, getAccountList } = useAccountOptions();

	useEffect(() => {
		if (actionType === 'edit') {
			form.setFieldsValue({...editPlanData, type: editPlanData?.type.toString()});
			setSelectedVideos(editPlanData?.videoList || []);
		} else {
			setSelectedVideos([]);
			form.setFieldsValue({
				id: undefined,
				type: planType,
				publishStage: 1,
				selectVideoType: 0,
				accountId: undefined,
				scene: 0,
				videoList: []
			});
		}
	}, [actionType, editPlanData, visible]);

	useEffect(() => {
		getAccountList({accountType: planType});
	}, [planType]);

	const onTypeChange = (value: string) => {
		form.setFieldsValue({ accountId: undefined });
		getAccountList({ accountType: value });
	}

	const handleOk = () => {
		form
			.validateFields()
			.then((values) => {
				// Ensure at least one video is selected before submitting
				if (selectedVideos.length === 0) {
					message.error('请至少选择一个视频'); // Use Antd message
					return;
				}
				const formData = { ...values };
				if (formData.type === GzhPlanType.自动回复) { 
					formData.scene = 0;
				}
				formData.videoList = selectedVideos;
				onOk(formData);
			})
			.catch((info) => {
				console.log('Validate Failed:', info);
			});
	};

	const removeVideo = (idToRemove: number) => {
		setSelectedVideos(currentVideos => currentVideos.filter(video => video.videoId !== idToRemove));
	};

	const openVideoSelector = () => {
		setIsVideoSelectVisible(true);
	};

	const handleVideoSelectionOk = (newlySelectedVideos: VideoItem[]) => {
		// Merge existing custom data with newly selected videos
		const currentCustomData = new Map<number, Partial<VideoItem>>();
		selectedVideos.forEach(v => {
			if (v.videoId) {
				currentCustomData.set(v.videoId, { customTitle: v.customTitle, customCover: v.customCover, customCoverType: v.customCoverType });
			}
		});

		const mergedVideos = newlySelectedVideos.map(newVideo => {
			const customData = currentCustomData.get(newVideo.videoId);
			return { ...newVideo, ...customData };
		});

		setSelectedVideos(mergedVideos);
		setIsVideoSelectVisible(false);
	};

	const handleVideoSelectionCancel = () => {
		setIsVideoSelectVisible(false);
	};

	const playVideo = (video: VideoItem) => {
		setPlayingVideo(video);
	};

	const closeVideoPlayer = () => {
		setPlayingVideo(null);
	};

	const openEditModal = (video: VideoItem) => {
		setEditingVideo(video);
	};

	const handleEditOk = (updatedData: Partial<VideoItem>) => {
		console.log('updatedData', updatedData);
		setSelectedVideos(currentVideos =>
			currentVideos.map(v =>
				v.videoId === editingVideo?.videoId ? { ...v, ...updatedData } : v
			)
		);
		setEditingVideo(null); // Close modal
	};

	const handleEditCancel = () => {
		setEditingVideo(null);
	};

	return (
		<>
			<Modal
				title={actionType === 'add' ? "创建发布计划" : "编辑发布计划"}
				open={visible}
				destroyOnClose
				onCancel={onCancel}
				width={900} // Adjust width as needed
				footer={[
					<Button key="back" onClick={onCancel}>
						取消
					</Button>,
					<Button key="submit" type="primary" loading={isSubmiting} onClick={handleOk}>
						确定
					</Button>,
				]}
				zIndex={10}
			>
				<Form form={form} layout="vertical">
					<Form.Item
						name="id"
						label="计划ID"
						hidden
					>
					</Form.Item>
					<Form.Item
						name="type"
						label="发布计划类型"
						layout="horizontal"
						labelCol={{ span: 4 }}
						labelAlign='left'
						required
					>
						<Select placeholder="选择计划类型" onChange={onTypeChange} className='!w-50' disabled={actionType === 'edit'}>
							<Option value={GzhPlanType.自动回复}>自动回复</Option>
							<Option value={GzhPlanType.服务号推送}>服务号推送</Option>
						</Select>
					</Form.Item>
					<Form.Item
						name="scene"
						label="发布场景"
						layout="horizontal"
						labelCol={{ span: 4 }}
						labelAlign='left'
						initialValue={0}
						hidden={type !== GzhPlanType.自动回复}
					>
						<Select
							placeholder="发布场景"
							className='!w-50'
							options={[{ label: '关注回复', value: 0 }]}>
						</Select>
					</Form.Item>
					<Form.Item
						name="publishStage"
						label="发布方式"
						labelCol={{ span: 4 }}
						labelAlign='left'
						layout="horizontal"
						rules={[{ required: true, message: '请选择发布方式' }]}
					>
						<Select placeholder="选择发布方式" allowClear className='!w-50'>
							<Option value={0} disabled={type !== GzhPlanType.自动回复}>平台发布</Option>
							<Option value={1} >用户获取路径</Option>
						</Select>
					</Form.Item>
					<Form.Item
						name="accountId"
						label="公众号名称"
						labelCol={{ span: 4 }}
						labelAlign='left'
						layout="horizontal"
						rules={[{ required: true, message: '请选择公众号' }]}
					>
						<Select
							placeholder="选择公众号"
							allowClear
							disabled={actionType === 'edit'}
							className='!w-50'
							showSearch
							filterOption={(input, option) =>
								(option?.label ?? '').toLowerCase().includes(input.toLowerCase())
							}
							options={accountOptions?.map(option => ({ label: option.name, value: option.id }))}>
						</Select>
					</Form.Item>
					
					<Form.Item
						name="selectVideoType"
						label="视频选取方式"
						labelCol={{ span: 4 }}
						labelAlign='left'
						layout="horizontal"
						rules={[{ required: true, message: '请选择视频选取方式' }]}>
						<Select placeholder="选择视频选取方式" allowClear className='!w-50'>
							<Option value={0} >手动选取</Option>
							<Option value={1} disabled>自动选取</Option>
						</Select>
					</Form.Item>
					<Form.Item label="发布内容" required>
						{ 
							selectVideoType === 0 ?
								(<div className="flex flex-wrap gap-4">
									{selectedVideos.map((video) => (
										<Card
											key={video.videoId}
											className="w-[240px] relative group"
										>
											<Button
												shape="circle"
												icon={<CloseOutlined />}
												className="!absolute top-1 right-1 z-10 bg-gray-400 bg-opacity-50 border-none text-white hidden group-hover:inline-flex justify-center items-center"
												size="small"
												onClick={() => removeVideo(video.videoId)}
											/>
											<div className="p-0">
												<Paragraph className="mt-1 !mb-1" ellipsis={{ rows: 2, tooltip: true }} title={video.customTitle || video.title}>{video.customTitle || video.title}</Paragraph>
											</div>
											<div
												className="relative"
												style={{ paddingBottom: '79.8%' }}
												onClick={(e) => {
													e.stopPropagation(); // Prevent card selection if clicking thumbnail/play
													playVideo(video);
												}}
											>
												<img src={video.customCover || video.cover} referrerPolicy="no-referrer" className="absolute inset-0 w-full h-full object-cover" />
												<div className="absolute inset-0 flex justify-center items-center cursor-pointer">
													<CaretRightFilled className="!text-white text-4xl bg-black/20 rounded-full p-1 pl-2" />
												</div>
											</div>
											<div className="p-3">
												<Button
													icon={<EditOutlined />}
													className="w-full mt-2"
													onClick={() => openEditModal(video)} // Open edit modal
												>
													编辑标题/封面
												</Button>
											</div>
										</Card>
									))}
		
									{/* Add Video Button - Conditionally Rendered */}
									{selectedVideos.length < 3 && (
										<div
											className="w-[240px] h-[316px] flex flex-col justify-center items-center  border border-dashed border-gray-300 rounded cursor-pointer dark:border-gray-600  hover:border-blue-500 hover:text-blue-500"
											onClick={openVideoSelector} // Open the drawer on click
										>
											<PlusOutlined className="text-2xl mb-2" />
											<Typography.Text>添加视频</Typography.Text>
										</div>
									)}
								</div>)
								: (<div>
								<Paragraph>视频由系统自动选取，不可手动选择</Paragraph>
							</div>)
						}
						
					</Form.Item>
				</Form>
			</Modal>

			{/* Video Selection Drawer */}
			<VideoSelectModal
				visible={isVideoSelectVisible}
				onClose={handleVideoSelectionCancel}
				onOk={handleVideoSelectionOk}
				selectedVideos={selectedVideos}
				initialSelectedIds={selectedVideos.map(v => v.videoId)} // Pass current selection IDs
			/>

			{/* Video Player Modal */}
			<Modal
				open={!!playingVideo}
				onCancel={closeVideoPlayer}
				title={playingVideo?.customTitle || playingVideo?.title}
				footer={null}
				destroyOnClose // Unmount video element when closed
				width={720} // Adjust as needed
				styles={{ body: { padding: 0, background: '#000' } }}
				zIndex={20}
			>
				{playingVideo && (
					<video
						controls
						autoPlay
						className="w-full h-auto max-h-[80vh] block"
						src={playingVideo.video}
					>
						Your browser does not support the video tag.
					</video>
				)}
			</Modal>

			{/* Edit Title/Cover Modal */}
			<EditTitleCoverModal
				visible={!!editingVideo}
				onCancel={handleEditCancel}
				onOk={handleEditOk}
				video={editingVideo}
			/>
		</>
	);
};

export default AddPunlishPlanModal;