import type { ColumnDef } from '@tanstack/react-table';
import { format } from 'date-fns';
import { Paperclip, Pencil, Trash2 } from 'lucide-react';
import { RowActions } from '@/components/row-actions';
import { Badge } from '@/components/ui/badge';
import type { LetterRequest, LetterStatus } from '@/types/letter-request';
import { LetterStatusLabels } from '@/types/letter-request';

export type { LetterRequest } from '@/types/letter-request';

type CreateColumnsParams = {
    handleEdit: (letterRequest: LetterRequest) => void;
    handleDeleteClick: (letterRequest: LetterRequest) => void;
    canUpdate: boolean;
    canDelete: boolean;
};

export function createLetterRequestColumns(
    params: CreateColumnsParams,
): ColumnDef<LetterRequest>[] {
    const { handleEdit, handleDeleteClick, canUpdate, canDelete } = params;

    return [
        {
            accessorKey: 'student.student_number',
            header: () => <span>Mahasiswa</span>,
            cell: ({ row }) => {
                const student = row.original.student;

                return (
                    <div>
                        <p className="font-medium">
                            {student?.user?.profile?.full_name ?? 'N/A'}
                        </p>
                        <p className="text-xs text-muted-foreground">
                            {student?.student_number} &middot;{' '}
                            {student?.department?.name ?? '-'}
                        </p>
                    </div>
                );
            },
        },
        {
            accessorKey: 'letter_type',
            header: () => <span>Jenis Surat</span>,
            cell: ({ row }) => {
                const letterRequest = row.original;

                return (
                    <div>
                        <p className="font-medium">
                            {letterRequest.letter_type}
                        </p>
                        {letterRequest.purpose && (
                            <p className="line-clamp-1 max-w-xs text-xs text-muted-foreground">
                                {letterRequest.purpose}
                            </p>
                        )}
                    </div>
                );
            },
        },
        {
            accessorKey: 'status',
            header: () => <span className="block text-center">Status</span>,
            meta: {
                className: 'w-[120px] text-center',
                headerClassName: 'w-[120px] text-center',
            },
            cell: ({ row }) => {
                const status = row.getValue('status') as LetterStatus | null;

                const variant =
                    status === 'completed'
                        ? 'default'
                        : status === 'rejected'
                          ? 'destructive'
                          : status === 'in_process'
                            ? 'secondary'
                            : 'outline';

                return (
                    <div className="flex justify-center">
                        {status ? (
                            <Badge variant={variant}>
                                {LetterStatusLabels[status]}
                            </Badge>
                        ) : (
                            <span className="text-muted-foreground">-</span>
                        )}
                    </div>
                );
            },
        },
        {
            accessorKey: 'processor.profile.full_name',
            header: () => <span>Diproses Oleh</span>,
            cell: ({ row }) =>
                row.original.processor?.profile?.full_name ?? '-',
        },
        {
            accessorKey: 'submitted_at',
            header: () => <span>Diajukan</span>,
            cell: ({ row }) => {
                const submittedAt = row.original.submitted_at;

                return submittedAt
                    ? format(new Date(submittedAt), 'd MMM yyyy, HH:mm')
                    : '-';
            },
        },
        {
            accessorKey: 'result_name',
            header: () => <span>Dokumen</span>,
            cell: ({ row }) => {
                const letterRequest = row.original;

                if (!letterRequest.result_url) {
                    return <span className="text-muted-foreground">-</span>;
                }

                return (
                    <a
                        href={letterRequest.result_url}
                        target="_blank"
                        rel="noreferrer"
                        className="inline-flex items-center gap-1 text-primary underline underline-offset-4 hover:text-primary/80"
                    >
                        <Paperclip className="h-3.5 w-3.5" />
                        {letterRequest.result_name}
                    </a>
                );
            },
        },
        {
            id: 'actions',
            header: () => <span className="block text-center">Aksi</span>,
            meta: {
                className: 'w-[100px] text-center',
                headerClassName: 'w-[100px] text-center',
            },
            cell: ({ row }) => (
                <RowActions
                    actions={[
                        {
                            label: 'Edit',
                            icon: <Pencil className="h-4 w-4" />,
                            show: canUpdate,
                            onClick: () => handleEdit(row.original),
                        },
                        {
                            label: 'Hapus',
                            icon: (
                                <Trash2 className="h-4 w-4 text-destructive" />
                            ),
                            show: canDelete,
                            onClick: () => handleDeleteClick(row.original),
                        },
                    ]}
                />
            ),
        },
    ];
}