text: import React, { Component } from "react";
  
  import Post from "../Post/post";
  import Title from "../Title/title";
  import Select from "../Select/select";
  import Input from "../Input/input";
  import Pagination from "../Pagination/Pagination";
  
  import "./posts.css";
  
  import {
    HITS,
    BASE_PATH,
    SEARCH_PATH,
    SEARCH_PARAM,
    PAGE_HITS,
    PAGE_PARAM,
  } from "./constants";
  
  class Posts extends Component {
    state = {
      searchQuery: "",
      result: {},
      hitsPerPage: 20,
      page: 0,
    };
  
    componentDidMount() {
      const { searchQuery, hitsPerPage, page } = this.state;
      this.fetchData(searchQuery, hitsPerPage, page);
    }
  
    fetchData = (searchQuery, hitsPerPage, page) => {
      fetch(
        `${BASE_PATH}${SEARCH_PATH}?${SEARCH_PARAM}${searchQuery}&${PAGE_HITS}${hitsPerPage}&${PAGE_PARAM}${page}`
      )
        .then((res) => res.json())
        .then((result) => this.setNews(result));
    };
  
    handleInputChange = ({ target: { value } }) => {
      this.setState({
        searchQuery: value,
      });
    };
  
    handleHitsChange = ({ target: { value } }) => {
      const { searchQuery } = this.state;
  
      this.setState(
        {
          hitsPerPage: +value,
          page: 0,
        },
        () => {
          this.fetchData(searchQuery, this.state.hitsPerPage, 0);
        }
      );
    };
  
    getSearch = ({ key }) => {
      if (key === "Enter") {
        const { searchQuery, hitsPerPage } = this.state;
        this.setState({
          page: 0,
        });
        this.fetchData(searchQuery, hitsPerPage, 0);
      }
    };
  
    setNews = (result) => {
      this.setState({ result });
    };
  
    handlePageChange = ({ target }) => {
      const btnType = target.getAttribute("data-name");
      let { page } = this.state;
  
      if (!isNaN(btnType)) {
        this.updatePage(+btnType);
      } else {
        if (btnType === "next") {
          this.updatePage(page + 1);
        }
        if (btnType === "prev") {
          this.updatePage(page - 1);
        }
      }
    };
  
    updatePage = (page) => {
      const { searchQuery, hitsPerPage } = this.state;
      this.setState(
        {
          page,
        },
        () => {
          this.fetchData(searchQuery, hitsPerPage, page);
        }
      );
    };
  
    render() {
      const { searchQuery, result, hitsPerPage } = this.state;
      const { hits = [], page, nbPages } = result;
  
      return (
        <div className="wrapper">
          <Title title="Hacker News" />
          <Select
            options={HITS}
            handleChange={this.handleHitsChange}
            value={hitsPerPage}
          />
          {hits.length > 0 && (
            <Pagination
              onClick={this.handlePageChange}
              page={page}
              lastPage={nbPages}
            />
          )}
          <Input
            onKeyPress={this.getSearch}
            onChange={this.handleInputChange}
            value={searchQuery}
          />
          <ul className="newsList">
            {hits.map(
              ({
                author,
                created_at,
                num_comments,
                objectID,
                title,
                points,
                url,
              }) => (
                <Post
                  key={objectID}
                  author={author}
                  created_at={created_at}
                  num_comments={num_comments}
                  title={title}
                  points={points}
                  url={url}
                />
              )
            )}
          </ul>
        </div>
      );
    }
  }
  
  export default Posts;
  