import React, { useEffect, useRef, useState } from "react";
import { Link, useParams } from "react-router-dom";
import { ProfileHeader } from "../../components/ProfileHeader/ProfileHeader";
import { ProfileBreadcrumbs } from "../../components/ProfileBreadcrumbs/ProfileBreadcrumbs";
import { Footer } from "../../components/Footer/Footer";
import { Navigation } from "../../components/Navigation/Navigation";
import { Loader } from "../../components/Loader/Loader";

import { useDispatch, useSelector } from "react-redux";
import { apiRequest } from "../../api/request";
import {
  getProjectBoard,
  getBoarderLoader,
  modalToggle,
  moveProjectTask,
  setProjectBoardFetch,
  setToggleTab,
  activeLoader,
  setColumnTitle,
} from "../../redux/projectsTrackerSlice";

import ModalTicket from "../../components/UI/ModalTicket/ModalTicket";
import TrackerModal from "../../components/UI/TrackerModal/TrackerModal";

import project from "../../images/trackerProject.svg";
import tasks from "../../images/trackerTasks.svg";
import archive from "../../images/archiveTracker.svg";
import avatarTest from "../../images/AvatarTest .png";
import selectArrow from "../../images/select.svg";
import commentsBoard from "../../images/commentsBoard.svg";
import filesBoard from "../../images/filesBoard.svg";
import arrow from "../../images/arrowCalendar.png";
import del from "../../images/delete.svg";
import edit from "../../images/edit.svg";

export const ProjectTracker = () => {
  const dispatch = useDispatch();
  const projectId = useParams();

  const [openColumnSelect, setOpenColumnSelect] = useState({});
  const [selectedTab, setSelectedTab] = useState(0);
  const [wrapperHover, setWrapperHover] = useState({});
  const [modalAdd, setModalAdd] = useState(false);
  const [modalActiveTicket, setModalActiveTicket] = useState(false);
  const [selectedTicket, setSelectedTicket] = useState({});

  const startWrapperIndexTest = useRef({});
  const projectBoard = useSelector(getProjectBoard);
  const loader = useSelector(getBoarderLoader);

  useEffect(() => {
    dispatch(activeLoader());
    dispatch(setProjectBoardFetch(projectId.id));
  }, []);

  useEffect(() => {
    if (Object.keys(projectBoard).length) {
      projectBoard.columns.forEach((column) => {
        setOpenColumnSelect((prevState) => ({
          ...prevState,
          [column.id]: false,
        }));
        setWrapperHover((prevState) => ({ ...prevState, [column.id]: false }));
      });
    }
  }, [projectBoard]);

  // function toggleMoreTasks(columnId) {
  //     setTabTaskMok((prevArray) =>
  //         prevArray.map((elem, index) => {
  //             if (columnId === index) {
  //                 return { ...elem, open: !elem.open };
  //             } else {
  //                 return elem;
  //             }
  //         })
  //     );
  // }

  function dragStartHandler(e, task, columnId) {
    startWrapperIndexTest.current = { task: task, index: columnId };
    setTimeout(() => {
      e.target.classList.add("tasks__board__item__hide");
    }, 0);
  }

  function dragEndHandler(e) {
    setWrapperHover((prevState) => ({
      [prevState]: false,
    }));
    e.target.classList.remove("tasks__board__item__hide");
  }

  function dragOverHandler(e) {
    e.preventDefault();
  }

  function dragEnterHandler(columnId) {
    if (columnId === startWrapperIndexTest.current.index) {
      return;
    }

    setWrapperHover((prevState) => ({
      [prevState]: false,
      [columnId]: true,
    }));
  }
  function dragDropHandler(e, columnId) {
    e.preventDefault();
    if (startWrapperIndexTest.current.index === columnId) {
      return;
    }

    setWrapperHover((prevState) => ({
      [prevState]: false,
    }));

    if (columnId !== startWrapperIndexTest.current.index) {
      dispatch(
        moveProjectTask({
          startWrapperIndex: startWrapperIndexTest.current,
          columnId,
        })
      );
    }
  }

  function selectedTabTask(columnId) {
    setSelectedTab(columnId);
    dispatch(modalToggle("createTiketProject"));
    setModalAdd(true);
  }

  function openTicket(e, task) {
    setSelectedTicket(task);
    setModalActiveTicket(true);
  }

  function deleteColumn(id) {
    apiRequest("/project-column/update-column", {
      method: "PUT",
      data: {
        column_id: id,
        project_id: projectBoard.id,
        status: 0,
      },
    }).then((res) => {
      dispatch(setProjectBoardFetch(projectBoard.id));
    });
  }

  return (
    <div className="tracker">
      <ProfileHeader />
      <Navigation />
      <div className="container">
        <div className="tracker__content">
          <ProfileBreadcrumbs
            links={[
              { name: "Главная", link: "/profile" },
              { name: "Трекер", link: "/profile/tracker" },
            ]}
          />
          <h2 className="tracker__title">Управление проектами с трекером</h2>
        </div>
      </div>
      <div className="tracker__tabs">
        <div className="tracker__tabs__head">
          <Link
            to="/profile/tracker"
            className="tab active-tab tab"
            onClick={() => dispatch(setToggleTab(1))}
          >
            <img src={project} alt="img" />
            <p>Проекты </p>
          </Link>
          <Link
            to="/profile/tracker"
            className="tab"
            onClick={() => dispatch(setToggleTab(2))}
          >
            <img src={tasks} alt="img" />
            <p>Все мои задачи</p>
          </Link>
          <Link
            to="/profile/tracker"
            className="tab"
            onClick={() => dispatch(setToggleTab(3))}
          >
            <img src={archive} alt="img" />
            <p>Архив</p>
          </Link>
        </div>
        <div className="tracker__tabs__content">
          <TrackerModal
            active={modalAdd}
            setActive={setModalAdd}
            selectedTab={selectedTab}
          />

          {loader && <Loader style="green" />}
          {!loader && (
            <div className="tracker__tabs__content__tasks tasks active__content">
              <div className="tasks__head">
                <div className="tasks__head__wrapper">
                  <h4>Проект : {projectBoard.name}</h4>

                  <div className="tasks__head__add">
                    <span
                      onClick={() => {
                        dispatch(modalToggle("createColumn"));
                        setModalAdd(true);
                      }}
                    >
                      +
                    </span>
                    <p>добавить колонку</p>
                  </div>
                  <div className="tasks__head__persons">
                    <img src={avatarTest} alt="avatar" />
                    <img src={avatarTest} alt="avatar" />
                    <span className="countPersons">+9</span>
                    <span
                      className="addPerson"
                      onClick={() => {
                        dispatch(modalToggle("addWorker"));
                        setModalAdd(true);
                      }}
                    >
                      +
                    </span>
                    <p>добавить участника</p>
                  </div>
                  <div className="tasks__head__select">
                    <span>Участвую</span>
                    <img src={selectArrow} alt="arrow" />
                  </div>
                  <div className="tasks__head__select">
                    <span>Мои</span>
                    <img src={selectArrow} alt="arrow" />
                  </div>
                  <Link to="/profile/tracker" className="tasks__head__back">
                    <p>Вернуться на проекты</p>
                    <img src={arrow} alt="arrow" />
                  </Link>
                </div>
              </div>

              <ModalTicket
                active={modalActiveTicket}
                setActive={setModalActiveTicket}
                task={selectedTicket}
                projectId={projectBoard.id}
                projectName={projectBoard.name}
              />

              <div className="tasks__container">
                {Boolean(projectBoard?.columns) &&
                  Boolean(projectBoard.columns.length) &&
                  projectBoard.columns.map((column) => {
                    return (
                      <div
                        key={column.id}
                        onDragOver={(e) => dragOverHandler(e)}
                        onDragEnter={(e) => dragEnterHandler(column.id)}
                        onDrop={(e) => dragDropHandler(e, column.id)}
                        className={`tasks__board ${
                          column.tasks.length >= 3 ? "tasks__board__more" : ""
                        } ${
                          wrapperHover[column.id] ? "tasks__board__hover" : ""
                        }`}
                      >
                        <div className="board__head">
                          {/*<span className={wrapperIndex === 3 ? "done" : ""}>*/}
                          <span>{column.title}</span>
                          <div>
                            <span
                              className="add"
                              onClick={() => selectedTabTask(column.id)}
                            >
                              +
                            </span>
                            <span
                              onClick={() => {
                                setOpenColumnSelect((prevState) => ({
                                  ...prevState,
                                  [column.id]: true,
                                }));
                              }}
                              className="more"
                            >
                              ...
                            </span>
                          </div>
                        </div>
                        {openColumnSelect[column.id] && (
                          <div className="column__select">
                            <div
                              className="column__select__item"
                              onClick={() => {
                                setOpenColumnSelect((prevState) => ({
                                  ...prevState,
                                  [column.id]: false,
                                }));
                                dispatch(modalToggle("editColumn"));
                                dispatch(setColumnTitle(column.title));
                                setModalAdd(true);
                              }}
                            >
                              <img src={edit} alt="edit" />
                              <span>Изменить</span>
                            </div>
                            <div
                              className="column__select__item"
                              onClick={() => deleteColumn(column.id)}
                            >
                              <img src={del} alt="delete" />
                              <span>Удалить</span>
                            </div>
                          </div>
                        )}
                        {column.tasks.map((task, index) => {
                          if (index > 2) {
                            if (!column.open) {
                              return;
                            }
                          }
                          return (
                            <div
                              key={task.id}
                              className="tasks__board__item"
                              draggable={true}
                              onDragStart={(e) =>
                                dragStartHandler(e, task, column.id)
                              }
                              onDragEnd={(e) => dragEndHandler(e)}
                              onClick={(e) => openTicket(e, task)}
                            >
                              <div className="tasks__board__item__title">
                                <p>{task.title}</p>
                              </div>
                              <p className="tasks__board__item__description">
                                {task.description}
                              </p>
                              <div className="tasks__board__item__info">
                                <div className="tasks__board__item__info__more">
                                  <img src={commentsBoard} alt="commentsImg" />
                                  <span>{task.comments} коментариев</span>
                                </div>
                                <div className="tasks__board__item__info__more">
                                  <img src={filesBoard} alt="filesImg" />
                                  <span>{task.files} файлов</span>
                                </div>
                                {/*<div className="tasks__board__item__info__avatars">*/}
                                {/*  <img src={task.avatarCreated} alt="avatar" />*/}
                                {/*  <img src={task.avatarDo} alt="avatar" />*/}
                                {/*</div>*/}
                              </div>
                            </div>
                          );
                        })}
                        {column.tasks.length > 3 && (
                          <span
                            className={
                              column.open
                                ? "lessItems openItems"
                                : "moreItems openItems"
                            }
                            // onClick={() => toggleMoreTasks(column.id)}
                          >
                            {column.open ? "-" : "+"}
                          </span>
                        )}
                      </div>
                    );
                  })}
                {Boolean(projectBoard?.columns) &&
                  !Boolean(projectBoard.columns.length) && (
                    <div className="tasks__board__noItems">
                      В проекте нет задач.
                    </div>
                  )}
              </div>
            </div>
          )}
        </div>
      </div>
      <Footer />
    </div>
  );
};