"use client";
import {
  FooterPropsOverrides,
  GridActionsCellItem,
  GridCellParams,
  GridRowId,
  GridRowIdGetter,
  GridRowModel,
  GridRowModes,
  GridRowModesModel,
  GridToolbarContainer,
  useGridApiRef,
} from "@mui/x-data-grid";
import {
  Dispatch,
  MutableRefObject,
  SetStateAction,
  useCallback,
  useEffect,
  useMemo,
  useState,
} from "react";
import StyledDataGrid from "../StyledDataGrid";
import { GridColDef } from "@mui/x-data-grid";
import { Box, Button, Grid, Typography } from "@mui/material";
import { useTranslation } from "react-i18next";
import { Add } from "@mui/icons-material";
import SaveIcon from "@mui/icons-material/Save";
import DeleteIcon from "@mui/icons-material/Delete";
import CancelIcon from "@mui/icons-material/Cancel";
import FactCheckIcon from "@mui/icons-material/FactCheck";
import ShoppingCartIcon from "@mui/icons-material/ShoppingCart";
import { QcItemWithChecks } from "src/app/api/qc";
import PlayArrowIcon from "@mui/icons-material/PlayArrow";
import { PurchaseOrderLine, StockInLine } from "@/app/api/po";
import { createStockInLine, testFetch } from "@/app/api/po/actions";
import { useSearchParams } from "next/navigation";
import { returnWeightUnit, calculateWeight, stockInLineStatusMap } from "@/app/utils/formatUtil";
import PoQcStockInModal from "./PoQcStockInModal";
import NotificationImportantIcon from "@mui/icons-material/NotificationImportant";
import { WarehouseResult } from "@/app/api/warehouse";
import LooksOneIcon from '@mui/icons-material/LooksOne';
import LooksTwoIcon from '@mui/icons-material/LooksTwo';
import Looks3Icon from '@mui/icons-material/Looks3';
import axiosInstance from "@/app/(main)/axios/axiosInstance";
// import axios, { AxiosRequestConfig } from "axios";
import { NEXT_PUBLIC_API_URL } from "@/config/api";
import qs from 'qs';
import QrCodeIcon from '@mui/icons-material/QrCode';
import { downloadFile } from "@/app/utils/commonUtil";
import { fetchPoQrcode } from "@/app/api/pdf/actions";
interface ResultWithId {
  id: number;
}

interface Props {
  qc: QcItemWithChecks[];
  setRows: Dispatch<SetStateAction<PurchaseOrderLine[]>>;
  setProcessedQty: Dispatch<SetStateAction<number>>;
  itemDetail: PurchaseOrderLine;
  stockInLine: StockInLine[];
  warehouse: WarehouseResult[];
}

export type StockInLineEntryError = {
  [field in keyof StockInLine]?: string;
};

export type StockInLineRow = Partial<
  StockInLine & {
    isActive: boolean | undefined;
    _isNew: boolean;
    _error: StockInLineEntryError;
  } & ResultWithId
>;

class ProcessRowUpdateError extends Error {
  public readonly row: StockInLineRow;
  public readonly errors: StockInLineEntryError | undefined;
  constructor(
    row: StockInLineRow,
    message?: string,
    errors?: StockInLineEntryError
  ) {
    super(message);
    this.row = row;
    this.errors = errors;

    Object.setPrototypeOf(this, ProcessRowUpdateError.prototype);
  }
}

function PoInputGrid({
  qc,
  setRows,
  setProcessedQty,
  itemDetail,
  stockInLine,
  warehouse,
}: Props) {
  console.log(itemDetail)
  const { t } = useTranslation("home");
  const apiRef = useGridApiRef();
  const [rowModesModel, setRowModesModel] = useState<GridRowModesModel>({});
  const getRowId = useCallback<GridRowIdGetter<StockInLineRow>>(
    (row) => row.id as number,
    []
  );
  console.log(stockInLine);
  const [entries, setEntries] = useState<StockInLineRow[]>(stockInLine || []);
  const [modalInfo, setModalInfo] = useState<StockInLine>();
  const [qcOpen, setQcOpen] = useState(false);
  const [escalOpen, setEscalOpen] = useState(false);
  const [stockInOpen, setStockInOpen] = useState(false);
  const [putAwayOpen, setPutAwayOpen] = useState(false);
  const [currQty, setCurrQty] = useState(() => {
    const total = entries.reduce(
      (acc, curr) => acc + (curr.acceptedQty || 0),
      0
    );
    return total;
  });

  useEffect(() => {
    const completedList = entries.filter(
      (e) => e.status === "completed"
    );
    const processedQty = completedList.reduce(
      (acc, curr) => acc + (curr.acceptedQty || 0),
      0
    );
    setProcessedQty(processedQty);
  }, [entries]);

  const handleDelete = useCallback(
    (id: GridRowId) => () => {
      setEntries((es) => es.filter((e) => getRowId(e) !== id));
    },
    [getRowId]
  );
  const handleStart = useCallback(
    (id: GridRowId, params: any) => () => {
      setRowModesModel((prev) => ({
        ...prev,
        [id]: { mode: GridRowModes.View },
      }));
      setTimeout(async () => {
        // post stock in line
        console.log("delayed");
        console.log(params);
        const oldId = params.row.id;
        console.log(oldId);
        const postData = {
          itemId: params.row.itemId,
          itemNo: params.row.itemNo,
          itemName: params.row.itemName,
          purchaseOrderId: params.row.purchaseOrderId,
          purchaseOrderLineId: params.row.purchaseOrderLineId,
          acceptedQty: params.row.acceptedQty,
        };
        const res = await createStockInLine(postData);
        console.log(res);
        setEntries((prev) =>
          prev.map((p) => (p.id === oldId ? (res.entity as StockInLine) : p))
        );
        // do post directly to test
        // openStartModal();
      }, 200);
    },
    []
  );
  const fetchQcDefaultValue = useCallback(async () => {
    const authHeader = axiosInstance.defaults.headers['Authorization'];
    if (!authHeader) {
      return; // Exit the function if the token is not set
    }
    console.log(authHeader)
    const res = await axiosInstance.get<QcItemWithChecks[]>(`${NEXT_PUBLIC_API_URL}/qcResult/${itemDetail.id}`)
    console.log(res)
  }, [axiosInstance])

  const handleQC = useCallback(
    (id: GridRowId, params: any) => async () => {
      setRowModesModel((prev) => ({
        ...prev,
        [id]: { mode: GridRowModes.View },
      }));
      setModalInfo(params.row);
      // await fetchQcDefaultValue()
      setTimeout(() => {
        // open qc modal
        console.log("delayed");
        openQcModal();
      }, 200);
    },
    []
  );
  const handleEscalation = useCallback(
    (id: GridRowId, params: any) => () => {
      setRowModesModel((prev) => ({
        ...prev,
        [id]: { mode: GridRowModes.View },
      }));
      setModalInfo(params.row);
      setTimeout(() => {
        // open qc modal
        console.log("delayed");
        openEscalationModal();
      }, 200);
    },
    []
  );
  const handleStockIn = useCallback(
    (id: GridRowId, params: any) => () => {
      setRowModesModel((prev) => ({
        ...prev,
        [id]: { mode: GridRowModes.View },
      }));
      setModalInfo(params.row);
      setTimeout(() => {
        // open stock in modal
        openStockInModal();
        // return the record with its status as pending
        // update layout
        console.log("delayed");
      }, 200);
    },
    []
  );

  const handlePutAway = useCallback(
    (id: GridRowId, params: any) => () => {
      setRowModesModel((prev) => ({
        ...prev,
        [id]: { mode: GridRowModes.View },
      }));
      setModalInfo(params.row);
      setTimeout(() => {
        // open stock in modal
        openPutAwayModal();
        // return the record with its status as pending
        // update layout
        console.log("delayed");
      }, 200);
    },
    []
  );

  const printQrcode = useCallback(async (row: any) => {
    console.log(row.id)
    const postData = {stockInLineIds: [row.id]}
    const response = await fetchPoQrcode(postData)
    if (response) {
      console.log(response)
        downloadFile(new Uint8Array(response.blobValue), response.filename!!)
    }
  }, [fetchPoQrcode, downloadFile])

  const handleQrCode = useCallback(
    (id: GridRowId, params: any) => () => {
      setRowModesModel((prev) => ({
        ...prev,
        [id]: { mode: GridRowModes.View },
      }));
      setModalInfo(params.row);
      setTimeout(() => {
        // open stock in modal
        // openPutAwayModal();
        // return the record with its status as pending
        // update layout
        console.log("delayed");
        printQrcode(params.row)
      }, 200);
    },
    []
  );

  const closeQcModal = useCallback(() => {
    setQcOpen(false);
  }, []);
  const openQcModal = useCallback(() => {
    setQcOpen(true);
  }, []);

  const closeStockInModal = useCallback(() => {
    setStockInOpen(false);
  }, []);
  const openStockInModal = useCallback(() => {
    setStockInOpen(true);
  }, []);

  const closePutAwayModal = useCallback(() => {
    setPutAwayOpen(false);
  }, []);
  const openPutAwayModal = useCallback(() => {
    setPutAwayOpen(true);
  }, []);

  const closeEscalationModal = useCallback(() => {
    setEscalOpen(false);
  }, []);
  const openEscalationModal = useCallback(() => {
    setEscalOpen(true);
  }, []);

  const columns = useMemo<GridColDef[]>(
    () => [
      {
        field: "itemNo",
        flex: 0.8,
      },
      {
        field: "itemName",
        flex: 1,
      },
      {
        field: "acceptedQty",
        headerName: "qty",
        flex: 0.5,
        type: "number",
        editable: true,
        // replace with tooltip + content
      },
      {
        field: "uom",
        headerName: "uom",
        flex: 0.5,
        renderCell: (params) => {
          return params.row.uom.code;
        },
      },
      {
        field: "weight",
        headerName: "weight",
        flex: 0.5,
        renderCell: (params) => {
          const weight = calculateWeight(params.row.acceptedQty, params.row.uom);
          const weightUnit = returnWeightUnit(params.row.uom);
          return `${weight} ${weightUnit}`;
        },
      },
      {
        field: "status",
        flex: 0.5,
        // editable: true,
      },
      {
        field: "actions",
        type: "actions",
        headerName: "start | qc | escalation | stock in | putaway | delete",
        flex: 1,
        cellClassName: "actions",
        getActions: (params) => {
          console.log(params.row.status);
          const status = params.row.status.toLowerCase();
          return [
            <GridActionsCellItem
              icon={<PlayArrowIcon />}
              label="start"
              sx={{
                color: "primary.main",
                // marginRight: 1,
              }}
              disabled={!(stockInLineStatusMap[status] === 0)}
              // set _isNew to false after posting
              // or check status
              onClick={handleStart(params.row.id, params)}
              color="inherit"
              key="edit"
            />,
            <GridActionsCellItem
              icon={<FactCheckIcon />}
              label="qc"
              sx={{
                color: "primary.main",
                // marginRight: 1,
              }}
              disabled={
                stockInLineStatusMap[status] < 1
              }
              // set _isNew to false after posting
              // or check status
              onClick={handleQC(params.row.id, params)}
              color="inherit"
              key="edit"
            />,
            <GridActionsCellItem
              icon={<NotificationImportantIcon />}
              label="escalation"
              sx={{
                color: "primary.main",
                // marginRight: 1,
              }}
              disabled={
                stockInLineStatusMap[status] <= 0 ||
                stockInLineStatusMap[status] >= 5
              }
              // set _isNew to false after posting
              // or check status
              onClick={handleEscalation(params.row.id, params)}
              color="inherit"
              key="edit"
            />,
            <GridActionsCellItem
              icon={<ShoppingCartIcon />}
              label="stockin"
              sx={{
                color: "primary.main",
                // marginRight: 1,
              }}
              disabled={stockInLineStatusMap[status] !== 6}
              // set _isNew to false after posting
              // or check status
              onClick={handleStockIn(params.row.id, params)}
              color="inherit"
              key="edit"
            />,
            <GridActionsCellItem
              icon={<ShoppingCartIcon />}
              label="putaway"
              sx={{
                color: "primary.main",
                // marginRight: 1,
              }}
              disabled={stockInLineStatusMap[status] < 7}
              // set _isNew to false after posting
              // or check status
              onClick={handlePutAway(params.row.id, params)}
              color="inherit"
              key="edit"
            />,
            <GridActionsCellItem
              icon={<QrCodeIcon />}
              label="putaway"
              sx={{
                color: "primary.main",
                // marginRight: 1,
              }}
              disabled={stockInLineStatusMap[status] !== 8}
              // set _isNew to false after posting
              // or check status
              onClick={handleQrCode(params.row.id, params)}
              color="inherit"
              key="edit"
            />,
            <GridActionsCellItem
              icon={<DeleteIcon />}
              label="Delete"
              sx={{
                color: "error.main",
              }}
              disabled={stockInLineStatusMap[status] !== 0}
              // disabled={Boolean(params.row.status)}
              onClick={handleDelete(params.row.id)}
              color="inherit"
              key="edit"
            />,
          ];
        },
      },
    ],
    []
  );

  const addRow = useCallback(() => {
    console.log(itemDetail)
    const newEntry = {
      id: Date.now(),
      _isNew: true,
      itemId: itemDetail.itemId,
      purchaseOrderId: itemDetail.purchaseOrderId,
      purchaseOrderLineId: itemDetail.id,
      itemNo: itemDetail.itemNo,
      itemName: itemDetail.itemName,
      acceptedQty: itemDetail.qty - currQty, // this bug
      uom: itemDetail.uom,
      status: "draft",
    };
    setEntries((e) => [...e, newEntry]);
    setRowModesModel((model) => ({
      ...model,
      [getRowId(newEntry)]: {
        mode: GridRowModes.Edit,
        // fieldToFocus: "projectId",
      },
    }));
  }, [currQty, getRowId]);
  const validation = useCallback(
    (
      newRow: GridRowModel<StockInLineRow>
      //   rowModel: GridRowSelectionModel
    ): StockInLineEntryError | undefined => {
      const error: StockInLineEntryError = {};
      console.log(newRow);
      console.log(currQty);
      if (newRow.acceptedQty && newRow.acceptedQty > itemDetail.qty) {
        error["acceptedQty"] = "qty cannot be greater than remaining qty";
      }
      return Object.keys(error).length > 0 ? error : undefined;
    },
    [currQty]
  );
  const processRowUpdate = useCallback(
    (
      newRow: GridRowModel<StockInLineRow>,
      originalRow: GridRowModel<StockInLineRow>
    ) => {
      const errors = validation(newRow); // change to validation
      if (errors) {
        throw new ProcessRowUpdateError(
          originalRow,
          "validation error",
          errors
        );
      }
      const { _isNew, _error, ...updatedRow } = newRow;
      const rowToSave = {
        ...updatedRow,
      } satisfies StockInLineRow;
      const newEntries = entries.map((e) =>
        getRowId(e) === getRowId(originalRow) ? rowToSave : e
      );
      setEntries(newEntries);
      //update remaining qty
      const total = newEntries.reduce(
        (acc, curr) => acc + (curr.acceptedQty || 0),
        0
      );
      setCurrQty(total);
      return rowToSave;
    },
    [getRowId, entries]
  );

  const onProcessRowUpdateError = useCallback(
    (updateError: ProcessRowUpdateError) => {
      const errors = updateError.errors;
      const oldRow = updateError.row;

      apiRef.current.updateRows([{ ...oldRow, _error: errors }]);
    },
    [apiRef]
  );

  // useEffect(() => {
  //   const total = entries.reduce(
  //     (acc, curr) => acc + (curr.acceptedQty || 0),
  //     0
  //   );
  //   setDefaultQty(itemDetail.qty - total);
  // }, [entries]);
  const footer = (
    <Box display="flex" gap={2} alignItems="center">
      <Button
        disableRipple
        variant="outlined"
        startIcon={<Add />}
        disabled={itemDetail.qty - currQty <= 0}
        onClick={addRow}
        size="small"
      >
        {t("Record pol")}
      </Button>
    </Box>
  );
  return (
    <>
      <StyledDataGrid
        getRowId={getRowId}
        apiRef={apiRef}
        autoHeight
        sx={{
          "--DataGrid-overlayHeight": "100px",
          ".MuiDataGrid-row .MuiDataGrid-cell.hasError": {
            border: "1px solid",
            borderColor: "error.main",
          },
          ".MuiDataGrid-row .MuiDataGrid-cell.hasWarning": {
            border: "1px solid",
            borderColor: "warning.main",
          },
        }}
        disableColumnMenu
        editMode="row"
        rows={entries}
        rowModesModel={rowModesModel}
        onRowModesModelChange={setRowModesModel}
        processRowUpdate={processRowUpdate}
        onProcessRowUpdateError={onProcessRowUpdateError}
        columns={columns}
        isCellEditable={(params) => {
          const status = params.row.status.toLowerCase();
          return (
            stockInLineStatusMap[status] >= 0 ||
            stockInLineStatusMap[status] <= 1
          );
        }}
        getCellClassName={(params: GridCellParams<StockInLineRow>) => {
          let classname = "";
          if (params.row._error) {
            classname = "hasError";
          }
          return classname;
        }}
        slots={{
          footer: FooterToolbar,
          noRowsOverlay: NoRowsOverlay,
        }}
        slotProps={{
          footer: { child: footer },
        }}
      />
      <>
        <PoQcStockInModal
          type={"qc"}
          setEntries={setEntries}
          qc={qc}
          open={qcOpen}
          onClose={closeQcModal}
          itemDetail={modalInfo!!}
        />
      </>
      <>
        <PoQcStockInModal
          type={"escalation"}
          setEntries={setEntries}
          // qc={qc}
          open={escalOpen}
          onClose={closeEscalationModal}
          itemDetail={modalInfo!!}
        />
      </>
      <>
        <PoQcStockInModal
          type={"stockIn"}
          setEntries={setEntries}
          // qc={qc}
          open={stockInOpen}
          onClose={closeStockInModal}
          itemDetail={modalInfo!!}
        />
      </>
      <>
        <PoQcStockInModal
          type={"putaway"}
          setEntries={setEntries}
          open={putAwayOpen}
          warehouse={warehouse}
          onClose={closePutAwayModal}
          itemDetail={modalInfo!!}
        />
      </>
    </>
  );
}
const NoRowsOverlay: React.FC = () => {
  const { t } = useTranslation("home");
  return (
    <Box
      display="flex"
      justifyContent="center"
      alignItems="center"
      height="100%"
    >
      <Typography variant="caption">{t("Add some entries!")}</Typography>
    </Box>
  );
};

const FooterToolbar: React.FC<FooterPropsOverrides> = ({ child }) => {
  return <GridToolbarContainer sx={{ p: 2 }}>{child}</GridToolbarContainer>;
};
export default PoInputGrid;