import SectionContainer from '../../components/SectionContainer.jsx';
import { useState } from 'react';
import { DataGrid } from '@mui/x-data-grid';
import { Typography, Button, Dialog, DialogTitle, DialogContent, IconButton, Box } from '@mui/material';
import AddOrEditCategoryForm from './AddOrEditCategoryForm.jsx';

import EditRoundedIcon from '@mui/icons-material/EditRounded';
import DeleteRoundedIcon from '@mui/icons-material/DeleteRounded';
import '../../App.css';

const columnsBase = [
    { field: 'name', headerName: 'Name', flex: 1 },
    { field: 'description', headerName: 'Description', flex: 2 }
];

export default function Categories({ children, maxWidth = 'lg', sx = {} }) {
    const [rows, setRows] = useState([
        { id: 1, name: 'Fabrics', description: 'Textile materials including silk, cotton, and synthetics.' },
        { id: 2, name: 'Leather Goods', description: 'Leather-based components for luxury goods.' },
        { id: 3, name: 'Metal Accessories', description: 'Buttons, zippers, and hardware in metal.' },
        { id: 4, name: 'Embellishments', description: 'Decorative materials such as beads and sequins.' }
    ]);

    const [open, setOpen] = useState(false);
    const [editingCategory, setEditingCategory] = useState(null);
    const [confirmOpen, setConfirmOpen] = useState(false);
    const [rowToDelete, setRowToDelete] = useState(null);

    const handleAddOrEditCategory = (category) => {
        if (editingCategory) {
            setRows(rows.map((row) => (row.id === editingCategory.id ? { ...editingCategory, ...category } : row)));
        } else {
            const id = rows.length + 1;
            setRows([...rows, { id, ...category }]);
        }
        setOpen(false);
        setEditingCategory(null);
    };

    const handleEditClick = (params) => {
        setEditingCategory(params.row);
        setOpen(true);
    };

    const handleDeleteClick = (row) => {
        setRowToDelete(row);
        setConfirmOpen(true);
    };

    const confirmDelete = () => {
        setRows(rows.filter((row) => row.id !== rowToDelete.id));
        setRowToDelete(null);
        setConfirmOpen(false);
    };

    const columns = [
        ...columnsBase,
        {
            field: 'actions',
            headerName: '',
            width: 130,
            renderCell: (params) => (
                <Box display="flex" alignItems="center" justifyContent="flex-end" height="100%" gap={2}>
                    <IconButton
                        size="small"
                        sx={{
                            backgroundColor: '#DFCCBC',
                            color: '#26201A',
                            '&:hover': {
                                backgroundColor: '#C2B2A4',
                            },
                            borderRadius: 2,
                            p: 1,
                        }}
                        onClick={() => handleEditClick(params)}
                    >
                        <EditRoundedIcon fontSize="small" />
                    </IconButton>
                    <IconButton
                        size="small"
                        sx={{
                            backgroundColor: '#FBE9E7',
                            color: '#C62828',
                            '&:hover': {
                                backgroundColor: '#EF9A9A',
                            },
                            borderRadius: 2,
                            p: 1,
                        }}
                        onClick={() => handleDeleteClick(params.row)}
                    >
                        <DeleteRoundedIcon fontSize="small" />
                    </IconButton>
                </Box>
            )
        }
    ];

    return (
        <SectionContainer sx={{ width: '100%' }}>
            <Typography variant="h4" gutterBottom color='#26201AFF'>
                Categories
            </Typography>

            <Dialog open={open} onClose={() => { setOpen(false); setEditingCategory(null); }} fullWidth>
                <DialogTitle>{editingCategory ? 'Edit Category' : 'Add Category'}</DialogTitle>
                <DialogContent>
                    <AddOrEditCategoryForm onAdd={handleAddOrEditCategory} initialData={editingCategory} onCancel={() => { setOpen(false); setEditingCategory(null); }} />
                </DialogContent>
            </Dialog>

            <Dialog open={confirmOpen} onClose={() => setConfirmOpen(false)}>
                <DialogTitle>Confirm Delete</DialogTitle>
                <DialogContent>
                    <Typography>
                        Are you sure you want to delete <strong>{rowToDelete?.name}</strong>?
                    </Typography>
                    <Box mt={2} display="flex" justifyContent="flex-end" gap={1}>
                        <Button onClick={() => setConfirmOpen(false)} className='button-transparent'>Cancel</Button>
                        <Button variant="contained" onClick={confirmDelete} className="button-gold">Delete</Button>
                    </Box>
                </DialogContent>
            </Dialog>

            <Box mt={2}>
                <DataGrid
                    rows={rows}
                    columns={columns}
                    pageSize={5}
                    rowsPerPageOptions={[5]}
                    getRowSpacing={() => ({ top: 8, bottom: 8 })}
                />

                <Box display="flex" justifyContent="flex-end" mt={2}>
                    <Button variant="contained" onClick={() => setOpen(true)} className="button-gold">
                        Add Category
                    </Button>
                </Box>
            </Box>
        </SectionContainer>
    );
}
