"use client";
import { useRouter, useSearchParams } from "next/navigation";
import { useCallback, useEffect, useMemo, useState } from "react";
import SearchResults, { Column } from "../SearchResults";
// import { TeamResult } from "@/app/api/team";
import { useTranslation } from "react-i18next";
import { Button, Stack, Tab, Tabs, TabsProps, Typography } from "@mui/material";
import { CreateTeamInputs, saveTeam } from "@/app/api/team/actions";
import {
  FieldErrors,
  FormProvider,
  SubmitHandler,
  useForm,
  useFormContext,
} from "react-hook-form";
import { Check, Close, Error } from "@mui/icons-material";
import TeamInfo from "../EditTeam/TeamInfo";
import Allocation from "./Allocation";
import { StaffResult } from "@/app/api/staff";

interface desc {
  id: number;
  name: string;
  description: string;
  teamLead: number;
}

interface Props {
  staff: StaffResult[];
  desc: desc[];
  // teamLead: StaffResult[]
}

const EditTeam: React.FC<Props> = async ({ staff, desc }) => {
  // console.log(desc)
  const { t } = useTranslation();
  const formProps = useForm<CreateTeamInputs>();
  const searchParams = useSearchParams();
  const idString = searchParams.get("id");
  const [filteredItems, setFilteredItems] = useState<StaffResult[]>();
  const [allStaffs, setAllStaffs] = useState<StaffResult[]>();
  const [filteredDesc, setFilteredDesc] = useState<string>();
  const [filteredName, setFilteredName] = useState<string>();
  const [teamLead, setTeamLead] = useState<number>();
  const [tabIndex, setTabIndex] = useState(0);
  const router = useRouter();
  //   const [selectedStaff, setSelectedStaff] = useState<typeof filteredItems>(
  //     initialStaffs.filter((s) => getValues("addStaffIds")?.includes(s.id))
  //   );

  const errors = formProps.formState.errors;

  const handleTabChange = useCallback<NonNullable<TabsProps["onChange"]>>(
    (_e, newValue) => {
      setTabIndex(newValue);
    },
    []
  );

  const [serverError, setServerError] = useState("");
  const cols = useMemo<Column<StaffResult>[]>(
    () => [
      { label: t("Staff Id"), name: "staffId" },
      { label: t("Name"), name: "staffName" },
      // { label: t("Current Position"), name: "posCode" },
    ],
    [t]
  );
  useEffect(() => {
    let idList: number[] = []
    console.log(desc)
    if (idString) {
      const filteredTeam = staff.filter(
        (item) => {
          console.log(item)
          console.log(parseInt(idString))
          return (item.teamId === parseInt(idString))}
      );
      console.log(filteredTeam)
      const tempDesc = desc.filter(
        (item) => item.id === parseInt(idString)
      )
      // const leader = teamLead.filter(
      //   (staff) => staff.teamId === parseInt(idString)
      // )
      // console.log(leader)
      console.log(tempDesc[0].teamLead)
      setTeamLead(tempDesc[0].teamLead)
      if (filteredTeam.length > 0) {
        const filteredIds: number[] = filteredTeam.map((i) => (
          i.id
          ))
          
          // const teamLead = tempDesc[0].teamLead
          // const index = filteredIds.indexOf(teamLead);
          
          // if (index !== -1) {
          //   filteredIds.splice(index, 1);
          //   filteredIds.unshift(teamLead);
          // }

        idList = filteredIds
        console.log(filteredIds)
      }
      console.log(idList)
      setFilteredItems(filteredTeam);
      formProps.reset({description: tempDesc[0].description, addStaffIds: idList})
      setFilteredDesc(tempDesc[0].description)
      setFilteredName(tempDesc[0].name)
    }
    console.log(staff)

    setAllStaffs(staff)
    
  }, [searchParams]);

//   useEffect(() => {
//     console.log(allStaffs)
//   }, [allStaffs]);

  const hasErrorsInTab = (
    tabIndex: number,
    errors: FieldErrors<CreateTeamInputs>
  ) => {
    switch (tabIndex) {
      case 0:
        return Object.keys(errors).length > 0;
      default:
        false;
    }
  };

  const onSubmit = useCallback<SubmitHandler<CreateTeamInputs>>(
    async (data) => {
      try {
        console.log(data);
        const tempData = {
            description: data.description,
            addStaffIds: data.addStaffIds,
            deleteStaffIds: data.deleteStaffIds,
            id: parseInt(idString!!)
        }
        console.log(tempData)
        await saveTeam(tempData);
        router.replace("/settings/team");
      } catch (e) {
        console.log(e);
        setServerError(t("An error has occurred. Please try again later."));
      }
    },
    [router]
  );

  return (
    <>
      {serverError && (
        <Typography variant="body2" color="error" alignSelf="flex-end">
          {serverError}
        </Typography>
      )}
      <FormProvider {...formProps}>
      <Stack
          spacing={2}
          component="form"
          onSubmit={formProps.handleSubmit(onSubmit)}
        >

        <Typography variant="h4" marginInlineEnd={2}>
          {t("Edit Team")} - {filteredName}
        </Typography>
        <Stack
          direction="row"
          justifyContent="space-between"
          flexWrap="wrap"
          rowGap={2}
        >
          <Tabs
            value={tabIndex}
            onChange={handleTabChange}
            variant="scrollable"
          >
            <Tab
              label={t("Team Info")}
              icon={
                hasErrorsInTab(0, errors) ? (
                  <Error sx={{ marginInlineEnd: 1 }} color="error" />
                ) : undefined
              }
              iconPosition="end"
            />
            <Tab label={t("Staff Allocation")} iconPosition="end" />
          </Tabs>
        </Stack>
        {tabIndex === 0 && <TeamInfo value={filteredDesc!!} />}
        {tabIndex === 1 && <Allocation allStaffs={allStaffs!!} teamLead={teamLead!!}/>}
        <Stack direction="row" justifyContent="flex-end" gap={1}>
            <Button
              variant="outlined"
              startIcon={<Close />}
              // onClick={handleCancel}
            >
              {t("Cancel")}
            </Button>
            <Button
              variant="contained"
              startIcon={<Check />}
              type="submit"
              // disabled={Boolean(formProps.watch("isGridEditing"))}
            >
              {t("Confirm")}
            </Button>
          </Stack>
          </Stack>
      </FormProvider>
    </>
  );
};
export default EditTeam;