import { doFetch } from "@/utils/doFetch";
import { ArrowDownOutlined, ArrowRightOutlined } from "@ant-design/icons";
import AddIcon from "@mui/icons-material/Add";
import BorderColorIcon from "@mui/icons-material/BorderColor";
import HorizontalRuleIcon from "@mui/icons-material/HorizontalRule";
import { Box, colors, IconButton, Typography } from "@mui/material";
import { useRequest } from "ahooks";
import { Input, message, Modal, Popconfirm, Tooltip, Tree } from "antd";
import { useEffect, useMemo, useState } from "react";
import "./index.less";

{
  /* <TreeRender
        url="/ngic-workmanship/pmMaterieType/queryTreeList"
        deleteurl="/ngic-workmanship/pmMaterieType/deleteById"
        saveurl="/ngic-workmanship/pmMaterieType/save"
        onselected={(vals) => {
          setmaterieTypeId(vals[0] ?? "");
        }}
      /> */
}

let { Search } = Input;

const getParentKey = (key, tree) => {
  let parentKey;
  for (let i = 0; i < tree.length; i++) {
    const node = tree[i];
    if (node.children) {
      if (
        node.children.some((item) => {
          return item.key === key;
        })
      ) {
        parentKey = node.key;
      } else if (getParentKey(key, node.children)) {
        parentKey = getParentKey(key, node.children);
      }
    }
  }
  return parentKey;
};

function TreeRender({
  url,
  deleteurl,
  saveurl,
  onselected,
  params,
  noaction,
  maxWidth,
  style,
  submitKey,
  courseId,
}) {
  const [search, setsearch] = useState("");
  const [savetitle, setsavetitle] = useState(null);
  const [modal, setModal] = useState({
      visible: false,
    }),
    [drawer, setDrawer] = useState({
      item: null,
      open: false,
    });
  const [expandall, setexpandall] = useState(false);
  const [expandedKeys, onExpand] = useState();
  const { data, refresh, loading } = useRequest(() => {
    return doFetch({ url, params: params ?? {} });
  });
  const [autoExpandParent, setAutoExpandParent] = useState(true);

  const allkeys = useMemo(() => {
    let res = [];
    const fn = (source) => {
      source?.map((el) => {
        res.push(el);
        el.children && el.children.length > 0 ? fn(el.children) : ""; // 子级递归
      });
    };
    fn(data?.data?.dataList ?? []);
    return res.filter((it) => it.children).map((it) => it.key);
  }, [data]);
  const alldata = useMemo(() => {
    let res = [];
    const fn = (source) => {
      source?.map((el) => {
        res.push(el);
        el.children && el.children.length > 0 ? fn(el.children) : ""; // 子级递归
      });
    };
    fn(data?.data?.dataList ?? []);
    return res;
  }, [data]);
  const treeData = useMemo(() => {
    let res = data?.data?.dataList ?? [];
    return [
      ...res,
      // {
      //   title: "查看实验",
      //   key: "cksy",
      // },
      // {
      //   title: "常见问题",
      //   key: "cjwt",
      // },
    ];
  }, [data]);
  const onChange = (e) => {
    const { value } = e.target;
    const dataLists = getAllList();
    const newExpandedKeys = dataLists
      .map((item) => {
        if (item.title.indexOf(value) > -1) {
          return getParentKey(item.key, treeData);
        }
        return null;
      })
      .filter((item, i, self) => item && self.indexOf(item) === i);
    setsearch(value);
    if (newExpandedKeys.length > 0) {
      setexpandall(true);
      setAutoExpandParent(true);
    } else {
      setexpandall(false);
      setAutoExpandParent(false);
    }
    onExpand(newExpandedKeys);
  };
  const loop = (data) =>
    data.map((item) => {
      const index = item.title.indexOf(search);
      const beforeStr = item.title.substr(0, index);
      const afterStr = item.title.substr(index + search.length);
      let title =
        index > -1 ? (
          <Tooltip title={item.title} placement="topRight">
            <span
              style={{
                display: "block",
                maxWidth: maxWidth ?? 88,
                overflow: "hidden",
                textOverflow: "ellipsis",
                whiteSpace: "nowrap",
                marginRight: 6,
              }}
            >
              {beforeStr}
              <span style={{ color: "#f50" }}>{search}</span>
              {afterStr}
            </span>
          </Tooltip>
        ) : (
          <Tooltip title={item.title} placement="topRight">
            <span
              style={{
                display: "block",
                maxWidth: maxWidth ?? 100,
                overflow: "hidden",
                textOverflow: "ellipsis",
                whiteSpace: "nowrap",
                marginRight: 6,
              }}
            >
              {item.title}
            </span>
          </Tooltip>
        );

      const actiontitle = (
        <div
          className="tree-item"
          style={{
            display: "flex",
            alignItems: "center",
            justifyContent: "space-between",
            padding: "4px 6px",
          }}
        >
          <span style={{ marginRight: 6 }}>{title}</span>
          <div className="center" style={{ gap: 8 }}>
            {item.key && item.key != "00000000" && (
              <Tooltip
                title="编辑"
                onClick={(e) => {
                  e.stopPropagation();
                  setsavetitle(null);
                  if (true) {
                    setModal({
                      visible: true,
                      closable: true,
                      title: "修改节点名称",
                      okText: "修改",
                      cancelText: "取消",
                      placeholder: item.title,
                      key: item.key,
                    });
                  }
                }}
              >
                <div className="bgs">
                  <BorderColorIcon style={{ color: "#1890ff", fontSize: 14 }} />
                </div>
              </Tooltip>
            )}
            {item.key && item.key != "00000000" && item.children && (
              <Tooltip title="新增">
                <div className="bgs">
                  <AddIcon
                    disabled={false}
                    onClick={(e) => {
                      e.stopPropagation();
                      setsavetitle(null);
                      if (true) {
                        setModal({
                          visible: true,
                          closable: true,
                          title: "新增子结构",
                          okText: "新增",
                          cancelText: "取消",
                          placeholder: item.title,
                          key: item.key,
                        });
                      }
                    }}
                    style={{
                      color: `${true ? "green" : ""}`,
                      fontSize: 20,
                    }}
                  />
                </div>
              </Tooltip>
            )}

            {item.key != "0" && (
              <Popconfirm
                placement="top"
                title="是否删除该节点？"
                okText="删除"
                cancelText="取消"
                onConfirm={() => {
                  doFetch({ url: deleteurl, params: { id: item.key } }).then(
                    (res) => {
                      if (res.code == "0000") {
                        message.success("操作成功");
                        refresh();
                      }
                    }
                  );
                }}
              >
                <Tooltip title="删除" placement="bottom">
                  <div className="bgs">
                    <HorizontalRuleIcon
                      style={{ color: "red", fontSize: 16 }}
                    />
                  </div>
                </Tooltip>
              </Popconfirm>
            )}
            {/* {
                        item.key === "00000000" && <Divider type='vertical' style={{ margin: "0 6px" }}></Divider>
                    } */}
            {/* {
                        item.key === "00000000" && <Tooltip title={expandall ? "收起" : "展开"} onClick={(e) => {
                            e.stopPropagation();
                            setexpandall(!expandall)
                            onExpand(expandall ? [] : allkeys)
                        }}>
                            {expandall ? <ArrowDownOutlined /> : <ArrowRightOutlined />}
                        </Tooltip>
                    } */}
          </div>
        </div>
      );
      if (item.key === "00000000") {
        title = (
          <div
            style={{
              display: "flex",
              alignItems: "center",
              justifyContent: "space-between",
              flex: 1,
            }}
          >
            {title}
            <Tooltip
              title={expandall ? "收起" : "展开"}
              onClick={(e) => {
                e.stopPropagation();
                setexpandall(!expandall);
                onExpand(expandall ? [] : allkeys);
                setAutoExpandParent(!expandall);
              }}
            >
              {expandall ? <ArrowDownOutlined /> : <ArrowRightOutlined />}
            </Tooltip>
          </div>
        );
      }

      if (item.children) {
        return {
          title: noaction ? title : actiontitle,
          key: item.key,
          children: loop(item.children),
          level: item.level,
          type: item.type,
        };
      }
      return {
        title: noaction ? title : actiontitle,
        key: item.key,
        level: item.level,
        type: item.type,
        icon: item.icon ?? null,
      };
    });

  useEffect(() => {
    setexpandall(true);
    onExpand(allkeys);
  }, [allkeys]);

  function getAllList() {
    const dataLists = [];
    const generateLists = (data) => {
      for (let i = 0; i < data.length; i++) {
        const node = data[i];
        const key = node.key;
        dataLists.push({ key, title: node.title, level: node.level });
        if (node.children) {
          generateLists(node.children, node.key);
        }
      }
    };
    generateLists(treeData);
    return dataLists;
  }
  return (
    <>
      <Box
        flexDirection={"row"}
        display={"flex"}
        justifyContent={"space-between"}
        alignItems={"center"}
        mt={0}
      >
        <Typography variant="h6">课程目录</Typography>
        <IconButton
          onClick={() => {
            setDrawer({ open: true });
          }}
        >
          <AddIcon style={{ fontSize: 20, color: colors.blue[600] }}></AddIcon>
        </IconButton>
        <Modal
          {...drawer}
          closable={false}
          maskClosable={true}
          title="新增章标题"
          okText="新增"
          cancelText="取消"
          onCancel={() => {
            setDrawer(() => ({
              item: null,
              open: false,
            }));
          }}
          okButtonProps={{
            loading,
          }}
          onOk={() => {
            return new Promise((resolve, reject) => {
              if (drawer?.item) {
                doFetch({
                  url: "/sysCourseTrain/saveOrUpdateCatalogue",
                  params: {
                    courseId,
                    catalogue: drawer.item,
                  },
                }).then((res) => {
                  if (res.code == "0000") {
                    message.success("操作成功");
                    refresh();
                    setDrawer({
                      item: null,
                      open: false,
                    });
                  }
                });
                refresh();
                resolve();
              } else {
                message.warning("请输入修改的名称");
                reject();
              }
            });
          }}
        >
          <div>
            <Input
              placeholder="请输入章标题"
              allowClear
              value={drawer?.item}
              onChange={(e) => {
                setDrawer((v) => ({
                  ...v,
                  item: e.target.value,
                }));
              }}
            ></Input>
          </div>
        </Modal>
      </Box>
      <div style={{ ...style }}>
        <Modal
          {...modal}
          onCancel={() => {
            setModal((s) => ({
              ...s,
              visible: false,
            }));
          }}
          okButtonProps={{
            loading,
          }}
          onOk={() => {
            if (modal.okText == "修改") {
              return new Promise((resolve, reject) => {
                if (savetitle) {
                  doFetch({
                    url: saveurl,
                    params: {
                      [submitKey]: savetitle,
                      id: modal.key,
                      courseId,
                    },
                  }).then((res) => {
                    if (res.code == "0000") {
                      message.success("操作成功");
                      refresh();
                      setModal({
                        visible: false,
                      });
                    }
                  });
                  resolve();
                } else {
                  message.warning("请输入修改的名称");
                  reject();
                }
              });
            } else {
              return new Promise((resolve, reject) => {
                if (savetitle) {
                  doFetch({
                    url: saveurl,
                    params: {
                      [submitKey]: savetitle,
                      parentId: modal.key,
                      courseId,
                    },
                  }).then((res) => {
                    if (res.code == "0000") {
                      message.success("操作成功");
                      refresh();
                      setModal({
                        visible: false,
                      });
                    }
                  });
                  resolve();
                } else {
                  message.warning("请输入修改的名称");
                  reject();
                }
              });
            }
          }}
        >
          {modal.okText == "修改" ? (
            <div>
              <Input
                placeholder={modal.placeholder}
                allowClear
                value={savetitle}
                onChange={(e) => {
                  setsavetitle(e.target.value);
                }}
              ></Input>
            </div>
          ) : (
            <div>
              <div style={{ marginBottom: 15, color: "#f50", fontSize: 16 }}>
                当前结构：{modal.placeholder}
              </div>
              <Input
                placeholder="子结构"
                allowClear
                onChange={(e) => {
                  setsavetitle(e.target.value);
                }}
              ></Input>
            </div>
          )}
        </Modal>
        <Search
          value={search}
          style={{ margin: "16px 0 8px 0" }}
          placeholder="搜索"
          onChange={onChange}
        />
        <Tree
          showIcon
          showLine
          onSelect={(selectedKeys, e) => {
            // //console.log(selectedKeys);
            onselected?.(selectedKeys, e, alldata);
          }}
          autoExpandParent={autoExpandParent}
          defaultExpandAll={true}
          expandedKeys={expandedKeys}
          onExpand={(expandedKeys, { expanded: bool, node }) => {
            onExpand(expandedKeys);
            setAutoExpandParent(false);
            if (!bool && node.key == "00000000") {
              setexpandall(false);
            } else {
              setexpandall(true);
            }
          }}
          treeData={loop(treeData ?? [])}
        >
          {/* {loop(treeData ? treeData : [])} */}
        </Tree>
      </div>
    </>
  );
}

export default TreeRender;