import React, { useState, useEffect } from 'react';
import { useParams, useNavigate } from 'react-router-dom';
import {
    Layout,
    Card,
    Row,
    Col,
    Typography,
    Space,
    Button,
    Spin,
    Result,
    Input,
} from 'antd';
import {
    ArrowLeftOutlined,
    CloseCircleFilled,
    WarningFilled,
    CheckCircleFilled,
    InfoCircleFilled,
    CloseOutlined,
    BookOutlined,
    ToolOutlined,
    HistoryOutlined,
    FilePdfOutlined,
    PlusOutlined,
    UserOutlined,
} from '@ant-design/icons';
// Path disesuaikan karena lokasi file berubah
// import { getNotificationById } from '../../api/notification'; // Dihapus karena belum ada di file API
import UserHistoryModal from '../notification/component/UserHistoryModal';
import LogHistoryModal from '../notification/component/LogHistoryModal';

const { Content } = Layout;
const { Text, Paragraph, Link } = Typography;

// Menggunakan kembali fungsi transform dari ListNotification untuk konsistensi data
const transformNotificationData = (item) => ({
    id: `notification-${item.notification_error_id || 'dummy'}-0`,
    type: item.is_read ? 'resolved' : item.is_delivered ? 'warning' : 'critical',
    title: item.device_name || 'Unknown Device',
    issue: item.error_code_name || 'Unknown Error',
    description: `${item.error_code} - ${item.error_code_name}`,
    timestamp: new Date(item.created_at || Date.now()).toLocaleString('id-ID'),
    location: item.device_location || 'Location not specified',
    details: item.message_error_issue || 'No details available',
    link: '#',
    subsection: item.solution_name || 'N/A',
    isRead: item.is_read || false,
    status: item.is_read ? 'Resolved' : item.is_delivered ? 'Delivered' : 'Pending',
    tag: item.error_code,
    plc: item.plc || 'N/A',
});

const getDummyNotificationById = (id) => {
    console.log("Fetching dummy data for ID:", id);
    // Data mentah dummy, seolah-olah dari API
    const rawDummyData = { device_name: 'Compressor C-101', error_code_name: 'High Temperature', error_code: 'TEMP-H-303', device_location: 'Gudang Produksi A', message_error_issue: 'Suhu kompresor terdeteksi melebihi ambang batas aman.', is_delivered: true, plc: 'PLC-UTL-01' };
    // Mengolah data mentah dummy menggunakan transform function
    return transformNotificationData(rawDummyData);
};

const getIconAndColor = (type) => {
    switch (type) {
        case 'critical':
            return { IconComponent: CloseCircleFilled, color: '#ff4d4f', bgColor: '#fff1f0' };
        case 'warning':
            return { IconComponent: WarningFilled, color: '#faad14', bgColor: '#fffbe6' };
        case 'resolved':
            return { IconComponent: CheckCircleFilled, color: '#52c41a', bgColor: '#f6ffed' };
        default:
            return { IconComponent: InfoCircleFilled, color: '#1890ff', bgColor: '#e6f7ff' };
    }
};

const DetailNotificationTab = () => {
    const { notificationId } = useParams(); // Mungkin perlu disesuaikan jika route berbeda
    const navigate = useNavigate();
    const [notification, setNotification] = useState(null);
    const [loading, setLoading] = useState(true);
    const [error, setError] = useState(null);
    const [modalContent, setModalContent] = useState(null); // 'user', 'log', atau null

    useEffect(() => {
        const fetchDetail = async () => {
            try {
                setLoading(true);
                // Ganti dengan fungsi API asli Anda
                // const response = await getNotificationById(notificationId);
                // setNotification(response.data);
                
                // Menggunakan data dummy untuk sekarang
                const dummyData = getDummyNotificationById(notificationId);
                if (dummyData) {
                    setNotification(dummyData);
                } else {
                    throw new Error('Notification not found');
                }

            } catch (err) {
                setError(err.message);
            } finally {
                setLoading(false);
            }
        };

        fetchDetail();
    }, [notificationId]);

    if (loading) {
        return (
            <Layout style={{ minHeight: '100vh', display: 'flex', justifyContent: 'center', alignItems: 'center' }}>
                <Spin size="large" />
            </Layout>
        );
    }

    if (error || !notification) {
        return (
            <Layout style={{ minHeight: '100vh', display: 'flex', justifyContent: 'center', alignItems: 'center' }}>
                <Result
                    status="404"
                    title="404"
                    subTitle="Sorry, the notification you visited does not exist."
                    extra={<Button type="primary" onClick={() => navigate('/notification')}>Back to List</Button>}
                />
            </Layout>
        );
    }

    const { color } = getIconAndColor(notification.type);

    return (
        <Layout style={{ padding: '24px', backgroundColor: '#f0f2f5' }}>
            <Content>
                <Card>
                    <div style={{ borderBottom: '1px solid #f0f0f0', paddingBottom: '16px', marginBottom: '24px' }}>
                        <Row justify="space-between" align="middle">
                            <Col>
                                <Button 
                                    type="text" 
                                    icon={<ArrowLeftOutlined />} 
                                    onClick={() => navigate('/notification')}
                                    style={{ paddingLeft: 0 }}
                                >
                                    Back to notification list
                                </Button>
                            </Col>
                            <Col>
                                <Button 
                                    icon={<UserOutlined />} 
                                    onClick={() => setModalContent('user')}
                                >
                                    User History
                                </Button>
                            </Col>
                        </Row>
                        <div style={{ backgroundColor: '#f6ffed', border: '1px solid #b7eb8f', borderRadius: '4px', padding: '8px 16px', textAlign: 'center', marginTop: '16px' }}>
                            <Typography.Title level={4} style={{ margin: 0, color: '#262626' }}>
                                Error Notification Detail
                            </Typography.Title>
                        </div>
                    </div>

                    <Space direction="vertical" size="large" style={{ width: '100%' }}>
                        <Row gutter={[24, 24]}>
                            {/* Kolom Kiri: Data Kompresor */}
                            <Col xs={24} lg={12}>
                                <Card size="small" style={{ height: '100%', borderColor: '#d4380d' }} bodyStyle={{ padding: '16px' }}>
                                    <Space direction="vertical" size="large" style={{ width: '100%' }}>
                                        <Row gutter={16} align="middle">
                                            <Col>
                                                <div style={{ width: '32px', height: '32px', borderRadius: '50%', backgroundColor: '#d4380d', display: 'flex', alignItems: 'center', justifyContent: 'center', color: '#ffffff', fontSize: '18px' }}><CloseOutlined /></div>
                                            </Col>
                                            <Col>
                                                <Text>{notification.title}</Text>
                                                <div style={{ marginTop: '2px' }}><Text strong style={{ fontSize: '16px' }}>{notification.issue}</Text></div>
                                            </Col>
                                        </Row>
                                        <div>
                                            <Text strong>Plant Subsection</Text>
                                            <div>{notification.subsection}</div>
                                            <Text strong style={{ display: 'block', marginTop: '8px' }}>Time</Text>
                                            <div>{notification.timestamp}</div>
                                        </div>
                                        <div style={{ border: '1px solid #d4380d', borderRadius: '4px', padding: '8px', background: 'linear-gradient(to right, #ffe7e6, #ffffff)' }}>
                                            <Row justify="space-around" align="middle">
                                                <Col><Text style={{ fontSize: '12px', color: color }}>Value</Text><div style={{ fontWeight: 'bold', fontSize: '16px', color: color }}>N/A</div></Col>
                                                <Col><Text type="secondary" style={{ fontSize: '12px' }}>Treshold</Text><div style={{ fontWeight: 500 }}>N/A</div></Col>
                                            </Row>
                                        </div>
                                    </Space>
                                </Card>
                            </Col>

                            {/* Kolom Kanan: Informasi Teknis */}
                            <Col xs={24} lg={12}>
                                <Card title="Informasi Teknis" size="small" style={{ height: '100%' }}>
                                    <Space direction="vertical" size="middle" style={{ width: '100%' }}>
                                        <div><Text strong>PLC</Text><div>{notification.plc || 'N/A'}</div></div>
                                        <div><Text strong>Status</Text><div style={{ color: '#faad14', fontWeight: 500 }}>{notification.status}</div></div>
                                        <div><Text strong>Tag</Text><div style={{ fontFamily: 'monospace', backgroundColor: '#f0f0f0', padding: '2px 6px', borderRadius: '4px', display: 'inline-block' }}>{notification.tag}</div></div>
                                    </Space>
                                </Card>
                            </Col>
                        </Row>
                        
                        <Row gutter={[16, 16]}>
                            <Col xs={24} md={8}><Card hoverable bodyStyle={{ padding: '12px', textAlign: 'center' }}><Space><BookOutlined style={{ fontSize: '16px', color: '#1890ff' }} /><Text strong style={{ fontSize: '16px', color: '#262626' }}>Handling Guideline</Text></Space></Card></Col>
                            <Col xs={24} md={8}><Card hoverable bodyStyle={{ padding: '12px', textAlign: 'center' }}><Space><ToolOutlined style={{ fontSize: '16px', color: '#1890ff' }} /><Text strong style={{ fontSize: '16px', color: '#262626' }}>Spare Part</Text></Space></Card></Col>
                            <Col xs={24} md={8} onClick={() => setModalContent('log')} style={{ cursor: 'pointer' }}><Card hoverable bodyStyle={{ padding: '12px', textAlign: 'center' }}><Space><HistoryOutlined style={{ fontSize: '16px', color: '#1890ff' }} /><Text strong style={{ fontSize: '16px', color: '#262626' }}>Log Activity</Text></Space></Card></Col>
                        </Row>

                        <Row gutter={[16, 16]}>
                            <Col xs={24} md={8}><Card size="small" title="Guideline Documents" style={{ height: '100%' }}><Space direction="vertical" size="small" style={{ width: '100%' }}><Card size="small" hoverable><Text><FilePdfOutlined style={{ marginRight: '8px' }} /> Error 303.pdf</Text><Link href="#" target="_blank" style={{ fontSize: '12px', display: 'block', marginLeft: '24px' }}>lihat disini</Link></Card><Card size="small" hoverable><Text><FilePdfOutlined style={{ marginRight: '8px' }} /> SOP Kompresor.pdf</Text><Link href="#" target="_blank" style={{ fontSize: '12px', display: 'block', marginLeft: '24px' }}>lihat disini</Link></Card></Space></Card></Col>
                            <Col xs={24} md={8}><Card size="small" title="Required Spare Parts" style={{ height: '100%' }}><Space direction="vertical" size="small" style={{ width: '100%' }}><Card size="small"><Row gutter={16} align="top"><Col span={7} style={{ textAlign: 'center' }}><div style={{ width: '100%', height: '60px', backgroundColor: '#f0f0f0', display: 'flex', alignItems: 'center', justifyContent: 'center', borderRadius: '4px', marginBottom: '8px' }}><ToolOutlined style={{ fontSize: '24px', color: '#bfbfbf' }} /></div><Text style={{ fontSize: '12px', color: '#52c41a', fontWeight: 500 }}>Available</Text></Col><Col span={17}><Text strong>Air Filter</Text><Paragraph style={{ fontSize: '12px', margin: 0, color: '#595959' }}>Filters incoming air to remove dust.</Paragraph></Col></Row></Card></Space></Card></Col>
                            <Col xs={24} md={8}><Card size="small" title="Activity Log" style={{ height: '100%' }} extra={<Button type="primary" onClick={() => setModalContent('log')}>View Logs</Button>}><div style={{ textAlign: 'center', padding: '20px' }}><HistoryOutlined style={{ fontSize: '32px', color: '#bfbfbf' }} /><Text block type="secondary" style={{ marginTop: '8px' }}>Click 'View Logs' to see the full activity history.</Text></div></Card></Col>
                        </Row>
                    </Space>
                </Card>
            </Content>

            <UserHistoryModal
                visible={modalContent === 'user'}
                onCancel={() => setModalContent(null)}
                notificationData={notification}
            />
            <LogHistoryModal
                visible={modalContent === 'log'}
                onCancel={() => setModalContent(null)}
                notificationData={notification}
            />
        </Layout>
    );
};

export default DetailNotificationTab;