import React, { useEffect, useState } from "react";
import { useModal } from "../../../hooks/useAuth";
import Modal from "../../common/Modal";
import Label from "../../common/Label";
import { useTeamRole } from "../../../hooks/masterHook/useMaster";
import SelectField from "../../common/Forms/SelectField";
import SelectFieldServerSide from "../../common/Forms/SelectFieldServerSide";
import SelectEmployeeServerSide from "../../common/Forms/SelectFieldServerSide";
import Avatar from "../../common/Avatar";
import { useParams } from "react-router-dom";
import { EmployeeChip } from "../../common/Chips";
import {
  useAllocationServiceProjectTeam,
  useServiceProjectTeam,
} from "../../../hooks/useServiceProject";
import { SpinnerLoader } from "../../common/Loader";
import showToast from "../../../services/toastService";
import ConfirmModal from "../../common/ConfirmModal";

const ServiceProjectTeamAllocation = () => {
  const { isOpen, onClose, data: Project } = useModal("ServiceTeamAllocation");
  const [deletingEmp, setSeletingEmp] = useState({
    employee: null,
    isOpen: false,
  });
  const {
    data: Team,
    isLoading: isTeamLoading,
    isError: isTeamError,
    error: teamError,
  } = useServiceProjectTeam(Project?.projectId, true);
  const [isAddEmployee, setIsAddEmployee] = useState(false);
  const [nonDuplicateEmployee, setNonDuplicateEmployee] = useState([]);
  const [selectedTeam, setSelectTeam] = useState(null);
  const [selectedEmployees, setSelectedEmployees] = useState([]);
  const { data, isLoading } = useTeamRole();

  const TeamAllocationColumns = [
    {
      key: "team",
      label: "Role",
      getValue: (e) => e?.teamName || "-",
    },
  ];
  const handleRemove = (id) => {
    setSelectedEmployees((prev) => prev.filter((e) => e.id !== id));
  };
  const { mutate: AllocationTeam, isPending } = useAllocationServiceProjectTeam(
    () => {
      setSelectedEmployees([]);
      setSeletingEmp({
        employee: null,
        isOpen: false,
      });
    }
  );

  const AssignEmployee = () => {
    let payload = selectedEmployees.map((e) => {
      return {
        projectId: Project?.projectId,
        employeeId: e.id,
        teamRoleId: selectedTeam,
        isActive: true,
      };
    });
    AllocationTeam({ payload, isActive: true });
  };

  const handleDeAllocation = (emp) => {
    let payload = [
      {
        projectId: Project?.projectId,
        employeeId: emp.employee.id,
        teamRoleId: emp.teamRole.id,
        isActive: false,
      },
    ];

    AllocationTeam({ payload: payload, isActive: false });
  };
  useEffect(() => {
    if (selectedEmployees?.length > 0 && !selectedTeam) {
      handleRemove(selectedEmployees[0]?.id);
      showToast(`Please select a  role`, "warning");
    }
    if (Team?.length > 0 && selectedEmployees?.length > 0) {
      setNonDuplicateEmployee((prev) => {
        let updated = [...prev];

        selectedEmployees.forEach((selectedEmployee) => {
          const alreadyAllocated = Team.some(
            (e) =>
              e?.employee?.id === selectedEmployee?.id &&
              e?.teamRole?.id === selectedTeam
          );
          if (alreadyAllocated) {
            handleRemove(selectedEmployee?.id);
            showToast(
              `${selectedEmployee.firstName} ${selectedEmployee.lastName} already allocated with same role`,
              "warning"
            );
          }
        });

        return updated;
      });
    }
  }, [Team, selectedEmployees, selectedTeam]);

  const TeamAllocationBody = (
    <>
      <ConfirmModal
        type="delete"
        header="Remove Employee"
        message="Are you sure you want remove?"
        onSubmit={handleDeAllocation}
        onClose={() => setSeletingEmp({ employee: null, isOpen: false })}
        loading={isPending}
        paramData={deletingEmp.employee}
        isOpen={deletingEmp.isOpen}
      />
      <div className=" text-start">
        <div className="row">
          <div className="d-flex justify-content-end">
            {!isAddEmployee && (
              <button
                className="btn btn-sm btn-primary"
                onClick={() => setIsAddEmployee(!isAddEmployee)}
              >
                <i className="bx bx-plus-circle me-2"></i>Add Employee
              </button>
            )}
          </div>

          {isAddEmployee && (
            <>
              <div className="col-12 col-md-6 mb-3">
                <SelectField
                  label="Select Role"
                  required
                  options={data}
                  value={selectedTeam}
                  labelKey="name"
                  valueKey="id"
                  onChange={(e) => {
                    setSelectedEmployees([]);
                    setSelectTeam(e);
                  }}
                  isLoading={isLoading}
                />
              </div>

              <div className="col-12 col-md-6 mb-3">
                <SelectEmployeeServerSide
                  label="Select Employee"
                  isMultiple={true}
                  isFullObject={true}
                  value={selectedEmployees}
                  onChange={setSelectedEmployees}
                />
              </div>
              <div className="col-12 d-flex flex-row gap-2 flex-wrap">
                {selectedEmployees.map((e) => (
                  <EmployeeChip handleRemove={handleRemove} employee={e} />
                ))}
              </div>
            </>
          )}
        </div>
        {isAddEmployee && (
          <div className="d-flex justify-content-end my-2">
            {" "}
            <button
              type="button"
              className="btn btn-label-secondary btn-sm me-2"
              onClick={() => setIsAddEmployee(false)}
              aria-label="Close"
              disabled={isPending}
            >
              Cancel
            </button>
            <button
              className="btn btn-sm btn-primary"
              disabled={isPending}
              onClick={AssignEmployee}
            >
              {isPending && !deletingEmp.employee ? "Please wait..." : "Save"}
            </button>
          </div>
        )}
        <div className="col-12">
          <table className="table text-center">
            <thead>
              <tr>
                <th>Name</th>
                <th>Role</th>
                <th>Action</th>
              </tr>
            </thead>

            <tbody>
              {Team?.length > 0 ? (
                Team?.map((emp) => (
                  <tr key={emp?.id}>
                    <td className="w-min">
                      <div className="d-flex align-items-center gap-2">
                        <Avatar
                          size="xs"
                          firstName={emp?.employee?.firstName}
                          lastName={emp?.employee?.lastName}
                        />
                        <span className="fw-medium">
                          {emp?.employee?.firstName} {emp?.employee?.lastName}
                        </span>
                      </div>
                    </td>

                    <td>{emp?.teamRole?.name}</td>

                    <td>
                      {deletingEmp?.employee?.id === emp.id && isPending ? (
                        <div className="spinner-border spinner-border-sm"></div>
                      ) : (
                        <i
                          className="bx bx-trash bx-sm text-danger cursor-pointer"
                          onClick={() =>
                            setSeletingEmp({ employee: emp, isOpen: true })
                          }
                        ></i>
                      )}
                    </td>
                  </tr>
                ))
              ) : (
                <tr>
                  <td
                    colSpan={3}
                    className="text-center text-muted py-4 border-0"
                  >
                    {isTeamLoading ? (
                      <SpinnerLoader />
                    ) : (
                      <p className="m-0 py-4">No Records Found</p>
                    )}
                  </td>
                </tr>
              )}
            </tbody>
          </table>
        </div>
      </div>
    </>
  );

  return (
    <Modal
      size="lg"
      title={"Team Allocation"}
      isOpen={isOpen}
      onClose={onClose}
      body={TeamAllocationBody}
    />
  );
};

export default ServiceProjectTeamAllocation;