/**
 * PolicyTableColumns
 * 
 * Column definitions for the Policy Explorer V2 data table.
 * Uses TanStack Table column definition API.
 * 
 * Columns:
 * - settingName: The setting key/identifier
 * - settingValue: The setting value (truncated with tooltip)
 * - policyName: Name of the policy containing this setting
 * - policyType: Type badge (deviceConfiguration, compliancePolicy, etc.)
 * - lastSyncedAt: Timestamp of last sync from Intune
 * - graphPolicyId: Microsoft Graph Policy ID (truncated)
 */

import type { ColumnDef } from '@tanstack/react-table';
import type { PolicySettingRow } from '@/lib/types/policy-table';
import { Badge } from '@/components/ui/badge';
import { formatDistanceToNow } from 'date-fns';
import { ArrowUpDown, ArrowUp, ArrowDown } from 'lucide-react';
import { Button } from '@/components/ui/button';

export const policyTableColumns: ColumnDef<PolicySettingRow>[] = [
  {
    id: 'select',
    header: ({ table }) => (
      <div className="flex items-center">
        <input
          type="checkbox"
          checked={table.getIsAllPageRowsSelected()}
          ref={(input) => {
            if (input) {
              input.indeterminate = table.getIsSomePageRowsSelected() && !table.getIsAllPageRowsSelected();
            }
          }}
          onChange={table.getToggleAllPageRowsSelectedHandler()}
          aria-label="Select all rows on this page"
          className="h-4 w-4 rounded border-gray-300 text-primary focus:ring-primary"
        />
      </div>
    ),
    cell: ({ row }) => (
      <div className="flex items-center">
        <input
          type="checkbox"
          checked={row.getIsSelected()}
          disabled={!row.getCanSelect()}
          onChange={row.getToggleSelectedHandler()}
          aria-label={`Select row ${row.id}`}
          className="h-4 w-4 rounded border-gray-300 text-primary focus:ring-primary"
        />
      </div>
    ),
    enableSorting: false,
    enableResizing: false,
  },
  {
    accessorKey: 'settingName',
    header: ({ column }) => {
      const isSorted = column.getIsSorted();
      return (
        <Button
          variant="ghost"
          onClick={() => column.toggleSorting()}
          className="h-8 px-2 lg:px-3"
        >
          Setting Name
          {isSorted === 'asc' ? (
            <ArrowUp className="ml-2 h-4 w-4" />
          ) : isSorted === 'desc' ? (
            <ArrowDown className="ml-2 h-4 w-4" />
          ) : (
            <ArrowUpDown className="ml-2 h-4 w-4" />
          )}
        </Button>
      );
    },
    cell: ({ row }) => {
      const settingName = row.getValue('settingName') as string;
      return (
        <div className="max-w-[300px] truncate font-medium" title={settingName}>
          {settingName}
        </div>
      );
    },
    enableSorting: true,
    enableResizing: true,
  },
  {
    accessorKey: 'settingValue',
    header: 'Setting Value',
    cell: ({ row }) => {
      const settingValue = row.getValue('settingValue') as string;
      const truncated = settingValue.length > 100 ? settingValue.slice(0, 100) + '...' : settingValue;
      return (
        <div className="max-w-[400px] truncate" title={settingValue}>
          {truncated}
        </div>
      );
    },
    enableSorting: false,
    enableResizing: true,
  },
  {
    accessorKey: 'policyName',
    header: ({ column }) => {
      const isSorted = column.getIsSorted();
      return (
        <Button
          variant="ghost"
          onClick={() => column.toggleSorting()}
          className="h-8 px-2 lg:px-3"
        >
          Policy Name
          {isSorted === 'asc' ? (
            <ArrowUp className="ml-2 h-4 w-4" />
          ) : isSorted === 'desc' ? (
            <ArrowDown className="ml-2 h-4 w-4" />
          ) : (
            <ArrowUpDown className="ml-2 h-4 w-4" />
          )}
        </Button>
      );
    },
    cell: ({ row }) => {
      const policyName = row.getValue('policyName') as string;
      return (
        <div className="max-w-[300px] truncate" title={policyName}>
          {policyName}
        </div>
      );
    },
    enableSorting: true,
    enableResizing: true,
  },
  {
    accessorKey: 'policyType',
    header: ({ column }) => {
      const isSorted = column.getIsSorted();
      return (
        <Button
          variant="ghost"
          onClick={() => column.toggleSorting()}
          className="h-8 px-2 lg:px-3"
        >
          Policy Type
          {isSorted === 'asc' ? (
            <ArrowUp className="ml-2 h-4 w-4" />
          ) : isSorted === 'desc' ? (
            <ArrowDown className="ml-2 h-4 w-4" />
          ) : (
            <ArrowUpDown className="ml-2 h-4 w-4" />
          )}
        </Button>
      );
    },
    cell: ({ row }) => {
      const policyType = row.getValue('policyType') as string;
      return (
        <Badge variant="outline" className="whitespace-nowrap">
          {policyType}
        </Badge>
      );
    },
    enableSorting: true,
    enableResizing: true,
  },
  {
    accessorKey: 'lastSyncedAt',
    header: ({ column }) => {
      const isSorted = column.getIsSorted();
      return (
        <Button
          variant="ghost"
          onClick={() => column.toggleSorting()}
          className="h-8 px-2 lg:px-3"
        >
          Last Synced
          {isSorted === 'asc' ? (
            <ArrowUp className="ml-2 h-4 w-4" />
          ) : isSorted === 'desc' ? (
            <ArrowDown className="ml-2 h-4 w-4" />
          ) : (
            <ArrowUpDown className="ml-2 h-4 w-4" />
          )}
        </Button>
      );
    },
    cell: ({ row }) => {
      const lastSyncedAt = row.getValue('lastSyncedAt') as Date;
      const formattedDate = formatDistanceToNow(new Date(lastSyncedAt), { addSuffix: true });
      return (
        <div className="whitespace-nowrap text-sm text-muted-foreground" title={new Date(lastSyncedAt).toLocaleString()}>
          {formattedDate}
        </div>
      );
    },
    enableSorting: true,
    enableResizing: true,
  },
  {
    accessorKey: 'graphPolicyId',
    header: 'Graph Policy ID',
    cell: ({ row }) => {
      const graphPolicyId = row.getValue('graphPolicyId') as string;
      const truncated = graphPolicyId.length > 40 ? graphPolicyId.slice(0, 40) + '...' : graphPolicyId;
      return (
        <div className="max-w-[200px] truncate font-mono text-xs" title={graphPolicyId}>
          {truncated}
        </div>
      );
    },
    enableSorting: false,
    enableResizing: true,
  },
];