"use client";
import {
  Box,
  Button,
  Paper,
  Stack,
  Typography,
  TextField,
  Table,
  TableBody,
  TableCell,
  TableHead,
  TableRow,
  Card,
  CardContent,
  Grid,
} from "@mui/material";
import QrCodeIcon from '@mui/icons-material/QrCode';
import CheckCircleIcon from "@mui/icons-material/CheckCircle";
import StopIcon from "@mui/icons-material/Stop";
import PauseIcon from "@mui/icons-material/Pause";
import PlayArrowIcon from "@mui/icons-material/PlayArrow";
import { useTranslation } from "react-i18next";
import { JobOrderProcessLineDetailResponse, updateProductProcessLineQty,updateProductProcessLineQrscan,fetchProductProcessLineDetail ,UpdateProductProcessLineQtyRequest} from "@/app/api/jo/actions";
import { Operator, Machine } from "@/app/api/jo";
import React, { useCallback, useEffect, useState } from "react";
import { useQrCodeScannerContext } from "../QrCodeScannerProvider/QrCodeScannerProvider";
import { fetchNameList, NameList } from "@/app/api/user/actions";
interface ProductionProcessStepExecutionProps {
  lineId: number | null
  onBack: () => void
  //onClose: () => void
 // onOutputSubmitted: () => Promise<void>
}
const ProductionProcessStepExecution: React.FC<ProductionProcessStepExecutionProps> = ({
  lineId,
  onBack,
}) => {
  const { t } = useTranslation();
  const [lineDetail, setLineDetail] = useState<JobOrderProcessLineDetailResponse | null>(null);
  const isCompleted = lineDetail?.status === "Completed";
  const [outputData, setOutputData] = useState<UpdateProductProcessLineQtyRequest & {
    byproductName: string;
    byproductQty: number;
    byproductUom: string;
  }>({
    productProcessLineId: lineId ?? 0,
    outputFromProcessQty: 0,
    outputFromProcessUom: "",
    defectQty: 0,
    defectUom: "",
    scrapQty: 0,
    scrapUom: "",
    byproductName: "",
    byproductQty: 0,
    byproductUom: ""
  });
  const [isManualScanning, setIsManualScanning] = useState(false);
  const [processedQrCodes, setProcessedQrCodes] = useState<Set<string>>(new Set());
  const [scannedOperators, setScannedOperators] = useState<Operator[]>([]);
  const [scannedMachines, setScannedMachines] = useState<Machine[]>([]);
  const [isPaused, setIsPaused] = useState(false);
  const [showOutputTable, setShowOutputTable] = useState(false);
  const { values: qrValues, startScan, stopScan, resetScan } = useQrCodeScannerContext();
  const equipmentName = (lineDetail as any)?.equipment || lineDetail?.equipmentType || "-";
  
  // 检查是否两个都已扫描
  //const bothScanned = lineDetail?.operatorId && lineDetail?.equipmentId;
  

  

  useEffect(() => {
    if (!lineId) {
      setLineDetail(null);
      return;
    }
    fetchProductProcessLineDetail(lineId)
      .then((detail) => {
        setLineDetail(detail as any);
        // 初始化 outputData 从 lineDetail
        setOutputData(prev => ({
          ...prev,
          productProcessLineId: detail.id,
          outputFromProcessQty: (detail as any).outputFromProcessQty || 0,  // 取消注释，使用类型断言
          outputFromProcessUom: (detail as any).outputFromProcessUom || "",  // 取消注释，使用类型断言
          defectQty: detail.defectQty || 0,
          defectUom: detail.defectUom || "",
          scrapQty: detail.scrapQty || 0,
          scrapUom: detail.scrapUom || "",
          byproductName: detail.byproductName || "",
          byproductQty: detail.byproductQty || 0,
          byproductUom: detail.byproductUom || ""
        }));
      })
      .catch(err => {
        console.error("Failed to load line detail", err);
        setLineDetail(null);
      });
  }, [lineId]);
  const handleSubmitOutput = async () => {
    if (!lineDetail?.id) return;


    try {
      // 直接使用 actions.ts 中定义的函数
      await updateProductProcessLineQty({
        productProcessLineId: lineDetail?.id || 0 as number,
        byproductName: outputData.byproductName,
        byproductQty: outputData.byproductQty,
        byproductUom: outputData.byproductUom,
        outputFromProcessQty: outputData.outputFromProcessQty,
        outputFromProcessUom: outputData.outputFromProcessUom,
       // outputFromProcessUom: outputData.outputFromProcessUom,
        defectQty: outputData.defectQty,
        defectUom: outputData.defectUom,
        scrapQty: outputData.scrapQty,  
        scrapUom: outputData.scrapUom,
      });

      console.log(" Output data submitted successfully");
    
      fetchProductProcessLineDetail(lineDetail.id)
      .then((detail) => {
        setLineDetail(detail as any);
        // 初始化 outputData 从 lineDetail
        setOutputData(prev => ({
          ...prev,
          productProcessLineId: detail.id,
          outputFromProcessQty: (detail as any).outputFromProcessQty || 0,  // 取消注释，使用类型断言
          outputFromProcessUom: (detail as any).outputFromProcessUom || "",  // 取消注释，使用类型断言
          defectQty: detail.defectQty || 0,
          defectUom: detail.defectUom || "",
          scrapQty: detail.scrapQty || 0,
          scrapUom: detail.scrapUom || "",
          byproductName: detail.byproductName || "",
          byproductQty: detail.byproductQty || 0,
          byproductUom: detail.byproductUom || ""
        }));
      })
      .catch(err => {
        console.error("Failed to load line detail", err);
        setLineDetail(null);
      });
    } catch (error) {
      console.error("Error submitting output:", error);
      alert("Failed to submit output data. Please try again.");
    }
  };
  
  //  处理 QR 码扫描效果
  useEffect(() => {
    if (isManualScanning && qrValues.length > 0 && lineDetail?.id) {
      const latestQr = qrValues[qrValues.length - 1];
      
      if (processedQrCodes.has(latestQr)) {
        return;
      }
      
      setProcessedQrCodes(prev => new Set(prev).add(latestQr));
      //processQrCode(latestQr);
    }
  }, [qrValues, isManualScanning, lineDetail?.id, processedQrCodes]);

  //  开始扫描
  

  const handlePause = () => {
    setIsPaused(true);

  };

  const handleContinue = () => {
    setIsPaused(false);

  };

  const handleStop = () => {
    setIsPaused(false);

    // TODO: 调用停止流程的 API
  };

  return (
    <Box>
      <Box sx={{ mb: 2 }}>
        <Button variant="outlined" onClick={onBack}>
          {t("Back to List")}
        </Button>
      </Box>

      {/* 如果已完成，显示合并的视图 */}
      {isCompleted ? (
        <Card sx={{ bgcolor: 'success.50', border: '2px solid', borderColor: 'success.main', mb: 3 }}>
          <CardContent>
            <Typography variant="h5" color="success.main" gutterBottom fontWeight="bold">
              {t("Completed Step")}: {lineDetail?.name} (Seq: {lineDetail?.seqNo})
            </Typography>
            
            {/*<Divider sx={{ my: 2 }} />*/}
            
            {/* 步骤信息部分 */}
            <Typography variant="h6" gutterBottom sx={{ mt: 2 }}>
              {t("Step Information")}
            </Typography>
            <Grid container spacing={2} sx={{ mb: 3 }}>
              <Grid item xs={12} md={6}>
                <Typography variant="body2" color="text.secondary">
                  <strong>{t("Description")}:</strong> {lineDetail?.description || "-"}
                </Typography>
              </Grid>
              <Grid item xs={12} md={6}>
                <Typography variant="body2" color="text.secondary">
                  <strong>{t("Operator")}:</strong> {lineDetail?.operatorName || "-"}
                </Typography>
              </Grid>
              <Grid item xs={12} md={6}>
                <Typography variant="body2" color="text.secondary">
                  <strong>{t("Equipment")}:</strong> {equipmentName}
                </Typography>
              </Grid>
              <Grid item xs={12} md={6}>
                <Typography variant="body2" color="text.secondary">
                  <strong>{t("Status")}:</strong> {lineDetail?.status || "-"}
                </Typography>
              </Grid>
            </Grid>

            {/*<Divider sx={{ my: 2 }} />*/}

            {/* 产出数据部分 */}
            <Typography variant="h6" gutterBottom sx={{ mt: 2 }}>
              {t("Production Output Data")}
            </Typography>
            <Table size="small" sx={{ mt: 2 }}>
              <TableHead>
                <TableRow>
                  <TableCell width="30%"><strong>{t("Type")}</strong></TableCell>
                  <TableCell width="35%"><strong>{t("Quantity")}</strong></TableCell>
                  <TableCell width="35%"><strong>{t("Unit")}</strong></TableCell>
                </TableRow>
              </TableHead>
              <TableBody>
                {/* Output from Process */}
                <TableRow>
                  <TableCell>
                    <Typography fontWeight={500}>{t("Output from Process")}</Typography>
                  </TableCell>
                  <TableCell>
                    <Typography>{lineDetail?.outputFromProcessQty || 0}</Typography>
                  </TableCell>
                  <TableCell>
                    <Typography>{lineDetail?.outputFromProcessUom || "-"}</Typography>
                  </TableCell>
                </TableRow>
                
                {/* By-product */}
                {lineDetail?.byproductQty && lineDetail.byproductQty > 0 && (
                  <TableRow>
                    <TableCell>
                      <Typography fontWeight={500}>{t("By-product")}</Typography>
                      {lineDetail.byproductName && (
                        <Typography variant="caption" color="text.secondary">
                          ({lineDetail.byproductName})
                        </Typography>
                      )}
                    </TableCell>
                    <TableCell>
                      <Typography>{lineDetail.byproductQty}</Typography>
                    </TableCell>
                    <TableCell>
                      <Typography>{lineDetail.byproductUom || "-"}</Typography>
                    </TableCell>
                  </TableRow>
                )}

                {/* Defect */}
                {lineDetail?.defectQty && lineDetail.defectQty > 0 && (
                  <TableRow sx={{ bgcolor: 'warning.50' }}>
                    <TableCell>
                      <Typography fontWeight={500} color="warning.dark">{t("Defect")}</Typography>
                    </TableCell>
                    <TableCell>
                      <Typography>{lineDetail.defectQty}</Typography>
                    </TableCell>
                    <TableCell>
                      <Typography>{lineDetail.defectUom || "-"}</Typography>
                    </TableCell>
                  </TableRow>
                )}

                {/* Scrap */}
                {lineDetail?.scrapQty && lineDetail.scrapQty > 0 && (
                  <TableRow sx={{ bgcolor: 'error.50' }}>
                    <TableCell>
                      <Typography fontWeight={500} color="error.dark">{t("Scrap")}</Typography>
                    </TableCell>
                    <TableCell>
                      <Typography>{lineDetail.scrapQty}</Typography>
                    </TableCell>
                    <TableCell>
                      <Typography>{lineDetail.scrapUom || "-"}</Typography>
                    </TableCell>
                  </TableRow>
                )}
              </TableBody>
            </Table>
          </CardContent>
        </Card>
      ) : (
        <>
          {/* 如果未完成，显示原来的两个部分 */}
          {/* 当前步骤信息 */}
          <Grid container spacing={2} sx={{ mb: 3 }}>
            <Grid item xs={12} md={6}>
              <Card sx={{ bgcolor: 'primary.50', border: '2px solid', borderColor: 'primary.main', height: '100%' }}>
                <CardContent>
                  <Typography variant="h6" color="primary.main" gutterBottom>
                    {t("Executing")}: {lineDetail?.name} (Seq: {lineDetail?.seqNo})
                  </Typography>
                  <Typography variant="body2" color="text.secondary">
                    {lineDetail?.description}
                  </Typography>
                  <Typography variant="body2" color="text.secondary">
                    {t("Operator")}: {lineDetail?.operatorName || "-"}
                  </Typography>
                  <Typography variant="body2" color="text.secondary">
                    {t("Equipment")}: {equipmentName}
                  </Typography>
                  <Stack direction="row" spacing={2} justifyContent="center" sx={{ mt: 2 }}>
                    <Button
                      variant="contained"
                      color="error"
                      startIcon={<StopIcon />}
                      onClick={handleStop}
                    >
                      {t("Stop")}
                    </Button>
                    {!isPaused ? (
                      <Button
                        variant="contained"
                        color="warning"
                        startIcon={<PauseIcon />}
                        onClick={handlePause}
                      >
                        {t("Pause")}
                      </Button>
                    ) : (
                      <Button
                        variant="contained"
                        color="success"
                        startIcon={<PlayArrowIcon />}
                        onClick={handleContinue}
                      >
                        {t("Continue")}
                      </Button>
                    )}
                  </Stack>
                </CardContent>
              </Card>
            </Grid>
          </Grid>

          {/* ========== 产出输入表单 ========== */}
          <Box>
            <Box sx={{ mb: 2, display: 'flex', justifyContent: 'space-between', alignItems: 'center' }}>
              <Typography variant="h6" fontWeight={600}>
                {t("Production Output Data Entry")}
              </Typography>
              <Button
                variant="outlined"
                onClick={() => setShowOutputTable(!showOutputTable)}
              >
                {showOutputTable ? t("Hide Table") : t("Show Table")}
              </Button>
            </Box>
            
            {showOutputTable && (
              <Paper sx={{ p: 3, bgcolor: 'grey.50' }}>
                <Table size="small">
                  <TableHead>
                    <TableRow>
                      <TableCell width="30%">{t("Type")}</TableCell>
                      <TableCell width="35%">{t("Quantity")}</TableCell>
                      <TableCell width="35%">{t("Unit")}</TableCell>
                    </TableRow>
                  </TableHead>
                  <TableBody>
                    {/* start line output */}
                    <TableRow>
                      <TableCell>
                        <Typography fontWeight={500}>{t("Output from Process")}</Typography>
                      </TableCell>
                      <TableCell>
                        <TextField
                          type="number"
                          fullWidth
                          size="small"
                          value={outputData.outputFromProcessQty}
                          onChange={(e) => setOutputData({
                            ...outputData,
                            outputFromProcessQty: parseInt(e.target.value) || 0
                          })}
                        />
                      </TableCell>
                      <TableCell>
                        <TextField
                          fullWidth
                          size="small"
                          value={outputData.outputFromProcessUom}
                          onChange={(e) => setOutputData({
                            ...outputData,
                            outputFromProcessUom: e.target.value
                          })}
                        />
                      </TableCell>
                    </TableRow>
                    {/* byproduct */}
                    <TableRow>
                      <TableCell>
                        <Stack>
                          <Typography fontWeight={500}>{t("By-product")}</Typography>
                        </Stack>
                      </TableCell>
                      <TableCell>
                        <TextField
                          type="number"
                          fullWidth
                          size="small"
                          value={outputData.byproductQty}
                          onChange={(e) => setOutputData({
                            ...outputData,
                            byproductQty: parseInt(e.target.value) || 0
                          })}
                        />
                      </TableCell>
                      <TableCell>
                        <TextField
                          fullWidth
                          size="small"
                          value={outputData.byproductUom}
                          onChange={(e) => setOutputData({
                            ...outputData,
                            byproductUom: e.target.value
                          })}
                        />
                      </TableCell>
                    </TableRow>

                    {/* defect */}
                    <TableRow sx={{ bgcolor: 'warning.50' }}>
                      <TableCell>
                        <Typography fontWeight={500} color="warning.dark">{t("Defect")}</Typography>
                      </TableCell>
                      <TableCell>
                        <TextField
                          type="number"
                          fullWidth
                          size="small"
                          value={outputData.defectQty}
                          onChange={(e) => setOutputData({
                            ...outputData,
                            defectQty: parseInt(e.target.value) || 0
                          })}
                        />
                      </TableCell>
                      <TableCell>
                        <TextField
                          fullWidth
                          size="small"
                          value={outputData.defectUom}
                          onChange={(e) => setOutputData({
                            ...outputData,
                            defectUom: e.target.value
                          })}
                        />
                      </TableCell>
                    </TableRow>

                    {/* scrap */}
                    <TableRow sx={{ bgcolor: 'error.50' }}>
                      <TableCell>
                        <Typography fontWeight={500} color="error.dark">{t("Scrap")}</Typography>
                      </TableCell>
                      <TableCell>
                        <TextField
                          type="number"
                          fullWidth
                          size="small"
                          value={outputData.scrapQty}
                          onChange={(e) => setOutputData({
                            ...outputData,
                            scrapQty: parseInt(e.target.value) || 0
                          })}
                        />
                      </TableCell>
                      <TableCell>
                        <TextField
                          fullWidth
                          size="small"
                          value={outputData.scrapUom}
                          onChange={(e) => setOutputData({
                            ...outputData,
                            scrapUom: e.target.value
                          })}
                        />
                      </TableCell>
                    </TableRow>
                  </TableBody>
                </Table>

                {/* submit button */}
                <Box sx={{ mt: 3, display: 'flex', gap: 2 }}>
                  <Button
                    variant="outlined"
                    onClick={() => setShowOutputTable(false)}
                  >
                    {t("Cancel")}
                  </Button>
                  <Button
                    variant="contained"
                    startIcon={<CheckCircleIcon />}
                    onClick={handleSubmitOutput}
                  >
                    {t("Complete Step")}
                  </Button>
                </Box>
              </Paper>
            )}
          </Box>
        </>
      )}
    </Box>
  );
};

export default ProductionProcessStepExecution;