"use client";

import {
  Table,
  TableBody,
  TableCell,
  TableHead,
  TableHeader,
  TableRow,
} from "@/components/ui/table";
import { Badge } from "@/components/ui/badge";
import { cn } from "@/lib/utils";
import { PRData } from "@/app/Interfaces/interface";
import React, { useState } from "react";

interface DataTableProps {
  columns: {
    accessorKey: string;
    header: string;
  }[];
  data: PRData[];
}

export function DataTable({ columns, data }: DataTableProps) {
  const [expandedRow, setExpandedRow] = useState<number | null>(null);

  // Get all possible keys from data (assuming all rows have same keys)
  const allKeys = data.length > 0 ? Object.keys(data[0]) : [];
  const mainKeys = columns.map((col) => col.accessorKey);
  const extraKeys = allKeys.filter((key) => !mainKeys.includes(key));

  const handleRowClick = (rowIndex: number) => {
    setExpandedRow(expandedRow === rowIndex ? null : rowIndex);
  };

  return (
    <div className="rounded-md border">
      <Table>
        <TableHeader>
          <TableRow>
            {columns.map((column) => (
              <TableHead className="font-bold" key={column.accessorKey}>
                {column.header}
              </TableHead>
            ))}
          </TableRow>
        </TableHeader>
        <TableBody>
          {data.map((row, rowIndex) => (
            <React.Fragment key={rowIndex}>
              <TableRow
                className="cursor-pointer hover:bg-gray-50 transition"
                onClick={() => handleRowClick(rowIndex)}
              >
                {columns.map((column) => (
                  <TableCell key={column.accessorKey} className="w-2">
                    {column.accessorKey === "status" ? (
                      <StatusBadge status={row[column.accessorKey]} />
                    ) : (
                      row[column.accessorKey as keyof PRData]
                    )}
                  </TableCell>
                ))}
              </TableRow>
              {expandedRow === rowIndex && extraKeys.length > 0 && (
                <TableRow>
                  <TableCell
                    colSpan={columns.length}
                    className="bg-gray-50 dark:bg-[#181f2a] p-0 border-t-0"
                  >
                    <div
                      className={`overflow-hidden transition-all duration-300 ease-in-out ${expandedRow === rowIndex ? "max-h-96 opacity-100 scale-y-100" : "max-h-0 opacity-0 scale-y-95"}`}
                    >
                      <div className="p-4 grid grid-cols-1 md:grid-cols-3 gap-4 text-sm">
                        <div>
                          <span className="text-gray-500 dark:text-gray-400 mr-1">
                            Branch:
                          </span>
                          <span className="font-semibold">{row.branch}</span>
                        </div>
                        <div>
                          <span className="text-gray-500 dark:text-gray-400 mr-1">
                            Days in Status:
                          </span>
                          <span className="font-semibold">
                            {row.daysSinceStatusChange} days
                          </span>
                        </div>
                        <div>
                          <span className="text-gray-500 dark:text-gray-400 mr-1">
                            Created:
                          </span>
                          <span className="font-semibold">
                            {row.createdAt
                              ? new Date(row.createdAt).toLocaleString(
                                  undefined,
                                  { dateStyle: "medium", timeStyle: "short" },
                                )
                              : ""}
                          </span>
                        </div>
                        <div>
                          <span className="text-gray-500 dark:text-gray-400 mr-1">
                            Updated:
                          </span>
                          <span className="font-semibold">
                            {row.updatedAt
                              ? new Date(row.updatedAt).toLocaleString(
                                  undefined,
                                  { dateStyle: "medium", timeStyle: "short" },
                                )
                              : ""}
                          </span>
                        </div>
                        <div>
                          <span className="text-gray-500 dark:text-gray-400 mr-1">
                            Reviewer:
                          </span>
                          <span className="font-semibold">
                            {row.assignedReviewer}
                          </span>
                        </div>
                        <div>
                          <span className="text-gray-500 dark:text-gray-400 mr-1">
                            Tester:
                          </span>
                          <span className="font-semibold">
                            {row.assignedTester}
                          </span>
                        </div>
                      </div>
                    </div>
                  </TableCell>
                </TableRow>
              )}
            </React.Fragment>
          ))}
        </TableBody>
      </Table>
    </div>
  );
}

const getStatusColor = (status: string) => {
  switch (status) {
    case "in_review":
      return "bg-blue-100 text-blue-700";
    case "approved":
      return "bg-green-100 text-green-700";
    case "needs_revision":
      return "bg-yellow-100 text-yellow-700";
    case "merged":
      return "bg-purple-100 text-purple-700";
    default:
      return "bg-gray-100 text-gray-700";
  }
};

function StatusBadge({ status }: { status: string }) {
  return (
    <Badge
      variant="outline"
      className={`px-2 py-1 rounded-full text-xs font-medium text-center ${getStatusColor(status)}`}
    >
      {status.split("_").join(" ")}
    </Badge>
  );
}