import type { ColumnDef } from '@tanstack/react-table';
import { format } from 'date-fns';
import { Pencil, Trash2 } from 'lucide-react';
import { RowActions } from '@/components/row-actions';
import { Badge } from '@/components/ui/badge';
import type {
    CourseRegistration,
    RegistrationStatus,
} from '@/types/course-registration';
import { RegistrationStatusLabels } from '@/types/course-registration';

export type { CourseRegistration } from '@/types/course-registration';

type CreateColumnsParams = {
    handleEdit: (registration: CourseRegistration) => void;
    handleDeleteClick: (registration: CourseRegistration) => void;
};

export function createCourseRegistrationColumns(
    params: CreateColumnsParams,
): ColumnDef<CourseRegistration>[] {
    const { handleEdit, handleDeleteClick } = 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: 'course_class.course.name',
            header: () => <span>Kelas Mata Kuliah</span>,
            cell: ({ row }) => {
                const courseClass = row.original.course_class;

                return (
                    <div>
                        <p className="font-medium">
                            {courseClass?.course?.name ?? 'N/A'}
                        </p>
                        <p className="text-xs text-muted-foreground">
                            {courseClass?.course?.code}
                            {courseClass?.class_name
                                ? ` · ${courseClass.class_name}`
                                : ''}
                        </p>
                    </div>
                );
            },
        },
        {
            accessorKey: 'academic_term.name',
            header: () => <span>Periode</span>,
            cell: ({ row }) => row.original.academic_term?.name ?? '-',
        },
        {
            accessorKey: 'status',
            header: () => <span className="block text-center">Status</span>,
            meta: {
                className: 'w-[130px] text-center',
                headerClassName: 'w-[130px] text-center',
            },
            cell: ({ row }) => {
                const status = row.getValue(
                    'status',
                ) as RegistrationStatus | null;

                const variant =
                    status === 'approved'
                        ? 'default'
                        : status === 'rejected'
                          ? 'destructive'
                          : 'outline';

                return (
                    <div className="flex justify-center">
                        {status ? (
                            <Badge variant={variant}>
                                {RegistrationStatusLabels[status]}
                            </Badge>
                        ) : (
                            <span className="text-muted-foreground">-</span>
                        )}
                    </div>
                );
            },
        },
        {
            accessorKey: 'approver.user.profile.full_name',
            header: () => <span>Disetujui Oleh</span>,
            cell: ({ row }) =>
                row.original.approver?.user?.profile?.full_name ?? '-',
        },
        {
            accessorKey: 'created_at',
            header: () => <span>Diajukan</span>,
            cell: ({ row }) =>
                format(new Date(row.original.created_at), 'd MMM yyyy, HH:mm'),
        },
        {
            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" />,
                            onClick: () => handleEdit(row.original),
                        },
                        {
                            label: 'Hapus',
                            icon: (
                                <Trash2 className="h-4 w-4 text-destructive" />
                            ),
                            onClick: () => handleDeleteClick(row.original),
                        },
                    ]}
                />
            ),
        },
    ];
}