import React, { useState, useEffect } from "react";
import { Tag, Button, Card, Row, Col, Table, Select, Input, Flex, Typography, message } from "antd";
import { Connect } from "@cqsjjb/jjb-dva-runtime";
import { NS_SAFETY_EVAL_BUSINESS } from "~/enumerate/namespace";
import { tools } from "@cqsjjb/jjb-common-lib";

const { TextArea } = Input;
const { router } = tools;

const CONCLUSION_OPTIONS = [
  { value: "conform_to", label: "符合" },
  { value: "not_conform_to", label: "需修改" },
];

const ControlContent = (props) => {
  const projectId = router.query?.id;
  const { processControlDetail, processControlFiles } = props.safetyEvalBusiness || {};
  const { processControl, controllers, reviewItems } = processControlDetail || {};

  // 当前步骤：1-过程控制审核 2-机构负责人签发 3-项目归档
  const [step, setStep] = useState(1);

  // 过程控制审核
  const [rows, setRows] = useState([]);
  const [opinionContent, setOpinionContent] = useState("");

  // 项目归档
  const [files, setFiles] = useState([]);

  const fetchDetail = () => {
    props.evalProcessControlDetail({ projectId });
  };

  const fetchFiles = () => {
    props.evalProcessControlFiles({ projectId });
  };

  useEffect(() => {
    if (projectId) {
      fetchDetail();
      fetchFiles();
    }
  }, [projectId]);

  useEffect(() => {
    if (reviewItems) {
      setRows(
        reviewItems.map((item) => ({
          ...item,
          _key: item.id || item.reviewDimensionCode,
        })),
      );
    }
    if (processControl?.opinionContent) {
      setOpinionContent(processControl.opinionContent);
    }
  }, [processControlDetail]);

  useEffect(() => {
    if (processControlFiles) {
      setFiles(processControlFiles);
    }
  }, [processControlFiles]);

  const updateRow = (index, field, value) => {
    const next = [...rows];
    next[index] = { ...next[index], [field]: value };
    setRows(next);
  };

  const controllerName = processControl?.controllerName || "";
  const isDispatched = processControl?.reviewerSignatureTaskStatus !== "non_dispatched";
  const isSignatureCompleted = processControl?.reviewerSignatureTaskStatus === "completed";
  const hasHandoverForm = !!processControl?.handoverFormUrl;
  const problemCount = rows.filter((r) => r.reviewConclusion === "not_conform_to").length;
  const canArchive = isSignatureCompleted && hasHandoverForm;

  // 过程控制签字提交（confirm）
  const handleConfirm = async (resultCode) => {
    if (!projectId) return;
    const payload = {
      id: processControl?.id,
      projectId,
      resultCode,
      opinionContent,
      reviewItems: rows.map((r) => ({
        bizType: "eval_process_control",
        bizId: processControl?.id,
        reviewDimensionCode: r.reviewDimensionCode,
        reviewDimensionName: r.reviewDimensionName,
        reviewFocus: r.reviewFocus,
        reviewConclusion: r.reviewConclusion,
        reviewOpinion: r.reviewOpinion,
      })),
    };
    const res = await props.evalProcessControlConfirm(payload);
    if (res?.success !== false) {
      message.success(resultCode === "passed" ? "已提交通过审核" : "已提交退回修改");
      fetchDetail();
    }
  };

  // 下发签字任务（assign）
  const handleAssign = async () => {
    if (!projectId) return;
    const res = await props.evalProcessControlAssign({ projectId });
    if (res?.success !== false) {
      message.success("已下发签字任务");
      fetchDetail();
    }
  };

  // 生成归档交接单
  const handleGenerateHandover = async () => {
    if (!projectId) return;
    const res = await props.evalProcessControlGenerateHandover({ projectId });
    if (res?.success !== false) {
      message.success("归档交接单已生成");
      fetchDetail();
    }
  };

  // 归档项目并入库
  const handleArchive = async () => {
    if (!projectId) return;
    const res = await props.evalProcessControlArchive({ projectId });
    if (res?.success !== false) {
      message.success("项目已归档入库");
      fetchDetail();
    }
  };

  const reviewColumns = [
    { title: "审核维度", dataIndex: "reviewDimensionName", width: 120 },
    { title: "审核重点", dataIndex: "reviewFocus", width: 200 },
    {
      title: "结论",
      dataIndex: "reviewConclusion",
      width: 120,
      render: (val, _, idx) => (
        <Select
          value={val}
          size="small"
          style={{ width: 100 }}
          onChange={(v) => updateRow(idx, "reviewConclusion", v)}
        >
          {CONCLUSION_OPTIONS.map((opt) => (
            <Select.Option key={opt.value} value={opt.value}>
              {opt.label}
            </Select.Option>
          ))}
        </Select>
      ),
    },
    {
      title: "审核意见",
      dataIndex: "reviewOpinion",
      render: (val, _, idx) => (
        <Input
          size="small"
          value={val}
          onChange={(e) => updateRow(idx, "reviewOpinion", e.target.value)}
        />
      ),
    },
  ];

  const fileColumns = [
    { title: "流程名称", dataIndex: "processName", width: 100 },
    { title: "条目名称", dataIndex: "itemName", width: 120 },
    { title: "文件名称", dataIndex: "materialName", width: 200 },
    {
      title: "文件地址",
      dataIndex: "projectDocUrl",
      width: 200,
      render: (url) =>
        url ? (
          <a href={url} target="_blank" rel="noreferrer">
            查看文件
          </a>
        ) : (
          "-"
        ),
    },
    { title: "资料类型", dataIndex: "materialType", width: 100 },
  ];

  const STEP_ITEMS = [
    { key: 1, label: "过程控制审核" },
    { key: 2, label: "机构负责人签发" },
    { key: 3, label: "项目归档" },
  ];

  return (
    <div>
      <Flex gap={0} style={{ marginBottom: 16, borderBottom: "1px solid #e8e8e8" }}>
        {STEP_ITEMS.map((item) => (
          <Button
            key={item.key}
            type="text"
            onClick={() => setStep(item.key)}
            style={{
              minWidth: 128,
              borderBottom: step === item.key ? "3px solid #1677ff" : "3px solid transparent",
              borderRadius: 0,
              fontWeight: step === item.key ? 700 : 400,
              color: step === item.key ? "#1677ff" : undefined,
              background: step === item.key ? "#e6f4ff" : "transparent",
            }}
          >
            {item.label}
          </Button>
        ))}
      </Flex>

      {step === 1 && (
        <Card
          title="过程控制审核"
          style={{ marginBottom: 16 }}
          styles={{ body: { paddingBottom: 0 } }}
        >
          <div className="pf-permission">
            <Tag color="blue" className="pf-tag">
              过程控制负责人
            </Tag>
            <span className="pf-desc">过程控制负责人核验前7节点完成及签字记录</span>
          </div>

          <Row gutter={16} style={{ marginBottom: 16 }}>
            <Col span={8}>
              <Card size="small">
                <Typography.Text type="secondary">过程控制负责人</Typography.Text>
                <div>
                  <strong>{controllerName || "-"}</strong>
                </div>
              </Card>
            </Col>
            <Col span={8}>
              <Card size="small">
                <Typography.Text type="secondary">审核项</Typography.Text>
                <div>
                  <strong>{rows.length}项</strong>
                </div>
              </Card>
            </Col>
            <Col span={8}>
              <Card size="small">
                <Typography.Text type="secondary">问题</Typography.Text>
                <div>
                  <Typography.Text strong type={problemCount > 0 ? "warning" : undefined}>
                    {problemCount}项
                  </Typography.Text>
                </div>
              </Card>
            </Col>
          </Row>

          <Table
            dataSource={rows}
            columns={reviewColumns}
            rowKey="_key"
            pagination={false}
            size="small"
          />

          <div style={{ margin: "12px 0" }}>
            <Typography.Text strong>总体过程控制意见</Typography.Text>
            <TextArea
              rows={2}
              value={opinionContent}
              onChange={(e) => setOpinionContent(e.target.value)}
              style={{ marginTop: 4 }}
            />
          </div>

          <Flex justify="space-between" align="center" style={{ marginTop: 10, paddingBottom: 16 }}>
            <Flex gap={8} align="center">
              <Typography.Text type="secondary">过程控制负责人签字</Typography.Text>
              <strong>{controllerName}</strong>
              <Button
                size="small"
                onClick={handleAssign}
                loading={props.safetyEvalBusiness?.processControlAssignLoading}
                disabled={isDispatched}
              >
                {isDispatched ? "已下发APP签字" : "下发APP签字"}
              </Button>
            </Flex>
            <Flex gap={8}>
              <Button onClick={() => handleConfirm("not_passed")}>退回修改</Button>
              <Button
                type="primary"
                onClick={() => handleConfirm("passed")}
                loading={props.safetyEvalBusiness?.processControlConfirmLoading}
              >
                通过
              </Button>
            </Flex>
          </Flex>
        </Card>
      )}

      {step === 2 && (
        <Card
          title="机构负责人签发"
          style={{ marginBottom: 16 }}
          styles={{ body: { paddingBottom: 0 } }}
        >
          <div className="pf-permission">
            <Tag color="blue" className="pf-tag">
              评价机构负责人
            </Tag>
            <span className="pf-desc">机构负责人终审并签发，确认项目成果</span>
          </div>

          <Row gutter={16} style={{ marginBottom: 16 }}>
            {controllers?.map((c) => (
              <Col span={8} key={c.id || c.personnelId}>
                <Card size="small">
                  <Typography.Text type="secondary">机构负责人</Typography.Text>
                  <div>
                    <strong>{c.personnelName}</strong>
                  </div>
                  {c.deptName && (
                    <div>
                      <Typography.Text type="secondary" style={{ fontSize: 12 }}>
                        {c.deptName}
                      </Typography.Text>
                    </div>
                  )}
                </Card>
              </Col>
            ))}
            {(!controllers || controllers.length === 0) && (
              <Col span={24}>
                <Typography.Text type="secondary">暂无机构负责人信息</Typography.Text>
              </Col>
            )}
          </Row>

          <Flex justify="flex-end" style={{ paddingBottom: 16 }}>
            <Button
              type="primary"
              onClick={handleAssign}
              loading={props.safetyEvalBusiness?.processControlAssignLoading}
            >
              终审并签发
            </Button>
          </Flex>
        </Card>
      )}

      {step === 3 && (
        <Card
          title="项目归档"
          style={{ marginBottom: 16 }}
          styles={{ body: { paddingBottom: 0 } }}
        >
          <div className="pf-permission">
            <Tag color="blue" className="pf-tag">
              项目归档
            </Tag>
            <span className="pf-desc">项目过程文件清单，确认签字完成后归档入库</span>
          </div>

          <Table
            dataSource={files}
            columns={fileColumns}
            rowKey={(record) => `${record.processName}-${record.materialName}-${record.itemName}`}
            pagination={false}
            size="small"
          />

          <Flex justify="space-between" align="center" style={{ marginTop: 12, paddingBottom: 16 }}>
            <Flex gap={8} align="center">
              {!hasHandoverForm && (
                <Button
                  size="small"
                  onClick={handleGenerateHandover}
                  loading={props.safetyEvalBusiness?.processControlHandoverLoading}
                >
                  生成归档交接单
                </Button>
              )}
              {hasHandoverForm && (
                <Typography.Text type="success">
                  归档交接单已生成
                  {processControl?.handoverFormUrl && (
                    <a
                      href={processControl.handoverFormUrl}
                      target="_blank"
                      rel="noreferrer"
                      style={{ marginLeft: 8 }}
                    >
                      查看
                    </a>
                  )}
                </Typography.Text>
              )}
            </Flex>
            <Button
              type="primary"
              onClick={handleArchive}
              loading={props.safetyEvalBusiness?.processControlArchiveLoading}
              disabled={!canArchive}
              title={
                !canArchive
                  ? !isSignatureCompleted
                    ? "需签字完成后才可归档"
                    : "需生成归档交接单后才可归档"
                  : ""
              }
            >
              双方签字并确认入库
            </Button>
          </Flex>
        </Card>
      )}
    </div>
  );
};

export default Connect([NS_SAFETY_EVAL_BUSINESS], true)(ControlContent);