body.tsx

import React, { useEffect, MouseEvent, useState } from "react";
import { Outlet, useSearchParams } from "react-router-dom";
import Theme from "./theme";
import Citylist from "../Pages/citylist";
import { getPicure } from "../Pages/pic";
import { PaginationLeft, PaginationRight } from "../Pages/picpagination";

const initSearchParams = { theme: "", city: "" };

export default function Body() {
  let limit = 15;
  const [searchParams, setSearchParams] = useSearchParams(initSearchParams);
  const [page, setPage] = useState(1);
  const offset1 = (page - 1) * limit;
  const offset2 = page * limit;
  const offset3 = (page + 1) * limit;
  // const [selected, setSelected] = useState(1);
  let getPics = getPicure();

  useEffect(() => {
    console.log(searchParams.get("theme"), searchParams.get("city"));
    setSearchParams(searchParams)
  }, []);

  const themeHandleClick = (event: MouseEvent<HTMLButtonElement>) => {
    console.log(`theme id= ${event.currentTarget.id}`);
    setSearchParams({
      ...Object.fromEntries(searchParams),
      theme: event.currentTarget.id,
    });
  };

  const cityHandleClick = (event: MouseEvent<HTMLButtonElement>) => {
    console.log(`city id= ${event.currentTarget.id}`);
    setSearchParams({
      ...Object.fromEntries(searchParams),
      city: event.currentTarget.id,
    });
  };

  let themechange = searchParams.get("theme");
  let citylistchange = searchParams.get("city");

  const Idpics = getPics.filter((p) => {
    return (
      (p.themeid == themechange && p.cityid == citylistchange) ||
      (p.themeid == themechange && citylistchange == "") ||
      (themechange == "" && p.cityid == citylistchange) ||
      (themechange == "" && citylistchange == "")
    );
  });

  // const pre = () => {
  //   setSelected(selected - 1)
  // };

  // const next = () => {
  //   setSelected(selected + 1)
  // };

  return (
    <div className="flex flex-col px-1 py-1">
      <Theme handleClick={themeHandleClick} />
      <div className="flex flex-col md:flex-row py-10 ">
        <div className="w-50">
          <Citylist handleClick={cityHandleClick} />
        </div>
        <div className="flex flex-col overflow-hidden">
          <div>
            <PaginationLeft total={Idpics.length} page={page} setPage={setPage} />
            <PaginationRight total={Idpics.length} page={page} setPage={setPage} />
          </div>
          <div className=" md:mr-10 md:basis-4/5  flex flex-row  transition duration-500 relative w-full " style={{ "transform": 'translate(-' + (page - 1) * 100 + '%)' }}>
            <div className= "min-w-full">
              <div className="inline-grid grid-cols-5">
                {Idpics.slice(0,15).map((pic, index: number) => (
                
                    <div
                      className="m-1 shrink-0 bg-gray-200 rounded shadow-md"
                      key={index}>
                      <img
                        src={pic.url}
                        className="w-full h-10 md:h-20 object-center"
                      />
                      <p className="text-center text-xs">{pic.name}</p>
                    </div>
                  
                ))}
              </div>
            </div>
            <div className= "min-w-full">
              <div className="inline-grid grid-rows-3 grid-cols-5">
                {Idpics.slice(offset2, offset2+limit).map((pic, index: number) => (
                  
                    <div
                      className="m-1 shrink-0 bg-gray-200 rounded shadow-md"
                      key={index}
                    >
                      <img
                        src={pic.url}
                        className="w-full h-10 md:h-20 object-center"
                      />
                      <p className="text-center text-xs">{pic.name}</p>
                    </div>
                  
                ))}
              </div>
            </div>
            <div className= "min-w-full">
              <div className="inline-grid grid-rows-3 grid-cols-5">
                {Idpics.slice(offset3, offset3+limit).map((pic, index: number) => (
                  
                    <div
                      className="m-1 shrink-0 bg-gray-200 rounded shadow-md"
                      key={index}
                    >
                      <img
                        src={pic.url}
                        className="w-full h-10 md:h-20 object-center"
                      />
                      <p className="text-center text-xs">{pic.name}</p>
                    </div>
                  
                ))}
              </div>
            </div>
          </div>
        </div>
      </div>

      <Outlet />
    </div>
    // Body Page
  );
}