import {useState} from 'react';
import {Link} from 'react-router-dom';
import {Pencil, Trash2} from 'lucide-react';
import {describeDeleteImpact} from '@/lib/deleteImpact';
import type {CloudResource} from '@/types/resource';
import type {ServiceSchema} from '@/types/schema';
import {getPath} from '@/lib/resourcePath';
import {renderColumnValue} from '@/lib/columnFormat';
import {CopyValueButton} from '@/components/CopyValueButton';

interface ResourceTableProps {
  schema: ServiceSchema;
  resources: CloudResource[];
  selectedId?: string;
  onSelect: (resource: CloudResource) => void;
  onEdit?: (resource: CloudResource) => void;
  onDelete: (resource: CloudResource) => void;
  deletingId?: string;
  dataPath?: (resource: CloudResource) => string | undefined;
  isDeleteMulti?: boolean;
  selectedItems?: CloudResource[];
  onToggleSelect?: (resource: CloudResource) => void;
  onToggleSelectAll?: () => void;
  setAllSelected?: (value: boolean) => void;
  isAllSelected?: boolean;
}

export function ResourceTable({
  schema,
  resources,
  selectedId,
  onSelect,
  onEdit,
  onDelete,
  deletingId,
  dataPath,
  isDeleteMulti,
  selectedItems,
  onToggleSelect,
  onToggleSelectAll,
  setAllSelected,
  isAllSelected = false,
}: ResourceTableProps) {
  const [confirmId, setConfirmId] = useState<string | null>(null);
  const canDelete = schema.actions.includes('delete');
  const canEdit = schema.actions.includes('update') && Boolean(schema.updateFields?.length) && Boolean(onEdit);
  const hasActions = canDelete || canEdit || Boolean(dataPath && resources.some((resource) => dataPath(resource)));

  if (resources.length === 0) {
    const emptyTitle = `No ${schema.displayName} found.`;
    const emptyDescription = `The connected runtime did not return any ${schema.displayName} resources.`;
    return (
      <div className="empty compact">
        <h3>{emptyTitle}</h3>
        <p>{emptyDescription}</p>
      </div>
    );
  }

  return (
    <table className="table resource-table">
      <thead>
        <tr>
          {isDeleteMulti && (
            <th style={{ width: '1%' }}>
              <input
                type="checkbox"
                aria-label="Select all resources"
                checked={isAllSelected && resources.length > 0}
                onChange={() => {
                  if (onToggleSelectAll) {
                    onToggleSelectAll();
                  } else {
                    setAllSelected?.(!isAllSelected);
                  }
                }}
              />
            </th>
          )}
          {schema.columns.map((column) => (
            <th key={column.name} style={column.width ? { width: column.width } : undefined}>
              {column.label}
            </th>
          ))}
          {hasActions && <th aria-label="Actions" />}
        </tr>
      </thead>
      <tbody>
        {resources.map((resource) => {
          const explorePath = dataPath?.(resource);
          return (
            <tr key={resource.id} className={selectedId === resource.id ? 'selected' : ''}>
              {isDeleteMulti && (
                <td style={{ width: '1%' }} onClick={(e) => e.stopPropagation()}>
                  <input
                    type="checkbox"
                    aria-label={`Select ${resource.name || resource.id}`}
                    checked={selectedItems?.some((item) => item.id === resource.id) ?? false}
                    onChange={() => {
                      onToggleSelect?.(resource);
                    }}
                  />
                </td>
              )}
              {schema.columns.map((column) => (
                <td key={column.name} onClick={() => onSelect(resource)}>
                  <CopyableColumnValue resource={resource} column={column} />
                </td>
              ))}
              {hasActions && (
                <td className="table-actions">
                  <div className="table-actions-group">
                    {explorePath && (
                      <Link
                        className="button compact"
                        to={explorePath}
                        aria-label={`Explore data in ${resource.name}`}
                        onClick={(e) => e.stopPropagation()}
                      >
                        Explore data
                      </Link>
                    )}
                    {canEdit && (
                      <button
                        className={schema.cloud === 'aws' && schema.service === 'serverless' ? 'button compact lambda-edit-button' : 'icon-btn'}
                        type="button"
                        title={`Edit ${resource.name}`}
                        aria-label={`Edit ${resource.name}`}
                        onClick={(e) => {
                          e.stopPropagation();
                          onEdit?.(resource);
                        }}
                      >
                        <Pencil size={13} />
                        {schema.cloud === 'aws' && schema.service === 'serverless' && 'Edit Lambda'}
                      </button>
                    )}
                    {canDelete && (
                      confirmId === resource.id ? (
                        <div
                          className="table-confirm-actions"
                          onClick={(e) => e.stopPropagation()}
                        >
                          <DeleteImpact schema={schema} resource={resource} />
                          <button
                            className="button danger compact"
                            type="button"
                            disabled={deletingId === resource.id}
                            onClick={(e) => {
                              e.stopPropagation();
                              onDelete(resource);
                            }}
                          >
                            Confirm
                          </button>
                          <button
                            className="button success compact"
                            type="button"
                            disabled={deletingId === resource.id}
                            onClick={(e) => {
                              e.stopPropagation();
                              setConfirmId(null);
                            }}
                          >
                            Cancel
                          </button>
                        </div>
                      ) : (
                        <button
                          className="icon-btn danger"
                          type="button"
                          title={`Delete ${resource.name}`}
                          aria-label={`Delete ${resource.name}`}
                          disabled={deletingId === resource.id}
                          onClick={(e) => {
                            e.stopPropagation();
                            setConfirmId(resource.id);
                          }}
                        >
                          <Trash2 size={13} />
                        </button>
                      )
                    )}
                  </div>
                </td>
              )}
            </tr>
          );
        })}
      </tbody>
    </table>
  );
}

function CopyableColumnValue({resource, column}: {resource: CloudResource; column: ServiceSchema['columns'][number]}) {
  const value = getPath(resource, column.path ?? column.name);
  const copyable = typeof value === 'string' && (
    column.format === 'code' || /(^id$|id$|arn|ip|endpoint|url|uri|key)/i.test(column.name)
  );

  if (!copyable) {
    return renderColumnValue(value, column);
  }

  return (
    <span className="copy-value">
      {renderColumnValue(value, column)}
      <CopyValueButton value={value} label={column.label} />
    </span>
  );
}

function DeleteImpact({schema, resource}: {schema: ServiceSchema; resource: CloudResource}) {
  const text = describeDeleteImpact(schema.deleteImpact, [resource]);
  return text ? <span className="delete-impact" role="status">{text}</span> : null;
}