import React, { useEffect, useState } from "react";
import WorkItem from "./WorkItem";
import { useProjectDetails, useProjectTasks } from "../../../hooks/useProjects";
import { cacheData } from "../../../slices/apiDataManager";
import { useDispatch, useSelector } from "react-redux";
import { refreshData } from "../../../slices/localVariablesSlice";
import ProjectRepository from "../../../repositories/ProjectRepository";
import showToast from "../../../services/toastService";
import { useHasUserPermission } from "../../../hooks/useHasUserPermission";
import {
  ASSIGN_REPORT_TASK,
  MANAGE_PROJECT_INFRA,
  MANAGE_TASK,
} from "../../../utils/constants";
import { useParams } from "react-router-dom";
import ProgressBar from "../../common/ProgressBar";

const WorkArea = ({ workArea, floor, forBuilding }) => {
  const selectedProject = useSelector((store) => store.localVariables.projectId);
  const { projects_Details, loading } = useProjectDetails(selectedProject);
  const [IsExpandedArea, setIsExpandedArea] = useState(false);
  const dispatch = useDispatch();
  const [Project, setProject] = useState();
  const { projectId } = useParams();

  const ManageInfra = useHasUserPermission(MANAGE_PROJECT_INFRA);
  const ManageAndAssignTak = useHasUserPermission(ASSIGN_REPORT_TASK);

  const { ProjectTaskList, isLoading } = useProjectTasks(workArea.id, IsExpandedArea);

  const [workAreaStatus, setWorkAreaStatus] = useState({
    completed: 0,
    planned: 100,
  });

  useEffect(() => {
    setProject(projects_Details);
  }, [projects_Details]);

  useEffect(() => {
    const totalCompleted = ProjectTaskList?.reduce(
      (sum, i) => sum + (i?.workItem?.completedWork || 0),
      0
    );
    const totalPlanned = ProjectTaskList?.reduce(
      (sum, i) => sum + (i?.workItem?.plannedWork || 0),
      0
    );
    setWorkAreaStatus({ completed: totalCompleted, planned: totalPlanned });
  }, [ProjectTaskList]);

  const HanldeDeleteActivity = async (workItemId) => {
    try {
      const updatedProject = { ...Project.data };
      await ProjectRepository.deleteProjectTask(workItemId);

      const newProject = {
        ...updatedProject,
        buildings: updatedProject?.buildings.map((building) => ({
          ...building,
          floors: building?.floors.map((floor) => ({
            ...floor,
            workAreas: floor.workAreas.map((wa) =>
              wa.id === workArea.id
                ? {
                    ...wa,
                    workItems: wa.workItems.filter(
                      (item) =>
                        String(item?.workItem?.id ?? item?.id) !==
                        String(workItemId)
                    ),
                  }
                : wa
            ),
          })),
        })),
      };

      cacheData("projectInfo", {
        projectId: newProject.id,
        data: newProject,
      });

      dispatch(refreshData(true));
      showToast("Activity Deleted Successfully", "success");
    } catch (error) {
      const message =
        error.response?.data?.message || error.message || "An error occurred";
      showToast(message, "error");
    }
  };

  useEffect(() => {
    const collapseElement = document.getElementById(`collapse-${workArea.id}`);

    const handleShown = () => setIsExpandedArea(true);
    const handleHidden = () => setIsExpandedArea(false);

    collapseElement?.addEventListener("shown.bs.collapse", handleShown);
    collapseElement?.addEventListener("hidden.bs.collapse", handleHidden);

    return () => {
      collapseElement?.removeEventListener("shown.bs.collapse", handleShown);
      collapseElement?.removeEventListener("hidden.bs.collapse", handleHidden);
    };
  }, [workArea.id]);

  return (
    <React.Fragment key={workArea.id}>
      <tr>
        <td colSpan="4" className="p-0">
          <div className="accordion border-none" id={`accordion-${workArea.id}`}>
            <div className="accordion-item background border-0">
              <p className="accordion-header mb-0" id={`heading-${workArea.id}`}>
                <button
                  className="accordion-button text-start px-2 py-2 custom-accordion-btn collapsed"
                  type="button"
                  data-bs-toggle="collapse"
                  data-bs-target={`#collapse-${workArea.id}`}
                  aria-expanded="false"
                  aria-controls={`collapse-${workArea.id}`}
                >
                  <i
                    className={`bx me-2 toggle-icon ${
                      IsExpandedArea ? "bx-minus-circle" : "bx-plus-circle"
                    }`}
                    style={{
                      fontSize: "1.2rem",
                      color: "black",
                    }}
                  ></i>

                  <div className="d-flex justify-content-start row w-100 align-items-center">
                    <div className="d-flex col-5">
                      <span className="fw-semibold text-primary small">Floor:</span>
                      <span className="fw-normal text-darkgreen small px-2">
                        {floor.floorName}
                      </span>
                    </div>
                    <div className="text-start col-5">
                      <span className="fw-semibold text-primary small">Work Area:</span>
                      <span className="fw-normal text-darkgreen small px-2">
                        {workArea.areaName}
                      </span>
                    </div>
                    {ProjectTaskList?.length > 0 && (
                      <div className="col-2">
                        <ProgressBar
                          completedWork={workAreaStatus.completed}
                          plannedWork={workAreaStatus.planned}
                          className="m-0 text-info"
                        />
                      </div>
                    )}
                  </div>
                </button>
              </p>

              <div
                id={`collapse-${workArea.id}`}
                className="accordion-collapse collapse"
                aria-labelledby={`heading-${workArea.id}`}
              >
                <div className="accordion-body px-1">
                  {isLoading ? (
                    <div className="text-center py-2 text-muted">Loading activities...</div>
                  ) : ProjectTaskList?.length > 0 ? (
                    <table className="table table-sm mx-1">
                      <thead>
                        <tr>
                          <th className="infra-activity-table-header-first">Activity</th>
                          <th className="infra-activity-table-header d-sm-table-cell d-md-none">
                            Status
                          </th>
                          <th className="infra-activity-table-header d-none d-md-table-cell">
                            Category
                          </th>
                          <th className="infra-activity-table-header d-none d-md-table-cell">
                            Completed/Planned
                          </th>
                          <th className="infra-activity-table-header d-none d-md-table-cell">
                            Today's Planned
                          </th>
                          <th className="infra-activity-table-header">Progress</th>
                          {(ManageInfra || (!projectId && ManageAndAssignTak)) && (
                            <th className="infra-activity-table-header text-end">
                              <span className="px-2">Actions</span>
                            </th>
                          )}
                        </tr>
                      </thead>
                      <tbody className="table-border-bottom-0">
                        {ProjectTaskList.map((workItem) => (
                          <WorkItem
                            key={workItem.workItemId}
                            workItem={workItem}
                            forBuilding={forBuilding}
                            forFloor={floor}
                            forWorkArea={workArea}
                            deleteHandleTask={HanldeDeleteActivity}
                          />
                        ))}
                      </tbody>
                    </table>
                  ) : (
                    <div className="text-center text-muted py-3">
                      No activities available for this work area.
                    </div>
                  )}
                </div>
              </div>
            </div>
          </div>
        </td>
      </tr>
    </React.Fragment>
  );
};

export default WorkArea;