"use client";
import { useState, useEffect, useMemo } from "react";
import {
  Box,
  TextField,
  IconButton,
  InputAdornment,
  Table,
  TableBody,
  TableCell,
  TableContainer,
  TableHead,
  TableRow,
  Checkbox,
  Paper,
  MenuItem,
  InputLabel,
  Select,
  FormControl,
  SelectChangeEvent,
  debounce,
} from "@mui/material";
import SearchIcon from "@mui/icons-material/Search";
import { useRouter, useSearchParams } from "next/navigation";

export interface TableColumn<T> {
  field: keyof T | string;
  headerName: string;
  render?: (value: unknown, row: T) => React.ReactNode;
}

interface MenuItemOption {
  value: string;
  label?: string;
}

interface DynamicTableProps<T extends { id: string | number }> {
  data: {
    rows: T[];
    columns: TableColumn<T>[];
    actions: MenuItemOption[];
  };
  searchParamKey?: string;
}

export function ApproveTable<T extends { id: string | number }>({
  data,
  searchParamKey = "merchantId",
}: DynamicTableProps<T>) {
  const { rows, columns, actions } = data;

  const router = useRouter();
  const searchParams = useSearchParams();

  const [selected, setSelected] = useState<(string | number)[]>([]);
  const [search, setSearch] = useState("");

  useEffect(() => {
    const urlValue = searchParams.get(searchParamKey) ?? "";
    setSearch(urlValue);
  }, [searchParams, searchParamKey]);

  const updateURL = useMemo(
    () =>
      debounce((value: string) => {
        const params = new URLSearchParams(searchParams.toString());
        if (value) params.set(searchParamKey, value);
        else params.delete(searchParamKey);

        router.replace(`?${params.toString()}`, { scroll: false });
      }, 400),
    [router, searchParams, searchParamKey],
  );

  const handleSearchChange = (e: React.ChangeEvent<HTMLInputElement>) => {
    const value = e.target.value;
    setSearch(value);
    updateURL(value);
  };

  const handleCheckboxChange = (id: string | number, checked: boolean) => {
    setSelected((prev) =>
      checked ? [...prev, id] : prev.filter((x) => x !== id),
    );
  };

  const handleToggleAll = (checked: boolean) => {
    setSelected(checked ? rows.map((r) => r.id) : []);
  };

  const [action, setAction] = useState("");
  const handleActionChange = (e: SelectChangeEvent<string>) => {
    const selectedAction = e.target.value;
    setAction(selectedAction);

    if (selected.length > 0) {
      console.log("Selected Ids", selected);
      console.log("Selected Action:", selectedAction);
    } else {
      console.warn("No rows selected for action:", selectedAction);
    }
  };

  return (
    <Box p={2}>
      <Box
        mb={2}
        display="flex"
        justifyContent="space-between"
        alignItems="center"
      >
        <TextField
          variant="outlined"
          placeholder="Search..."
          size="small"
          value={search}
          onChange={handleSearchChange}
          InputProps={{
            endAdornment: (
              <InputAdornment position="end">
                <IconButton>
                  <SearchIcon />
                </IconButton>
              </InputAdornment>
            ),
          }}
        />

        <Box sx={{ width: 180, display: "flex", justifyContent: "center" }}>
          <FormControl fullWidth>
            <InputLabel>Action</InputLabel>
            <Select
              value={action}
              label="Action"
              onChange={handleActionChange}
              size="small"
            >
              {actions.map((item) => (
                <MenuItem key={item.value} value={item.value}>
                  {item.label ?? item.value}
                </MenuItem>
              ))}
            </Select>
          </FormControl>
        </Box>
      </Box>

      <TableContainer component={Paper}>
        <Table size="small">
          <TableHead>
            <TableRow>
              <TableCell padding="checkbox">
                <Checkbox
                  checked={selected.length === rows.length && rows.length > 0}
                  indeterminate={
                    selected.length > 0 && selected.length < rows.length
                  }
                  onChange={(e) => handleToggleAll(e.target.checked)}
                />
              </TableCell>
              {columns.map((col, i) => (
                <TableCell key={i}>{col.headerName}</TableCell>
              ))}
            </TableRow>
          </TableHead>
          <TableBody>
            {rows.map((row, idx) => (
              <TableRow key={idx}>
                <TableCell padding="checkbox">
                  <Checkbox
                    checked={selected.includes(row.id)}
                    onChange={(e) =>
                      handleCheckboxChange(row.id, e.target.checked)
                    }
                  />
                </TableCell>
                {columns.map((col, colIdx) => (
                  <TableCell key={colIdx}>
                    {col.render
                      ? col.render(row[col.field as keyof T], row)
                      : (row[col.field as keyof T] as React.ReactNode)}
                  </TableCell>
                ))}
              </TableRow>
            ))}
          </TableBody>
        </Table>
      </TableContainer>
    </Box>
  );
}