import React, { useEffect, useMemo, useRef, useState, useCallback } from "react"
import { Table, Button, Space, message, Modal, Form, Input, Tag, Pagination, Dropdown } from "antd"
import type { ColumnsType } from "antd/es/table"
import { UploadOutlined, MoreOutlined } from "@ant-design/icons"
import { useTranslation } from "react-i18next"
import { TagEditorDialog } from "./TagEditorDialog"
import { getAvatarFromExtraJson, setAvatarInExtraJson } from "../utils/studentAvatar"
import { useResponsive, useIsMobile, useIsTablet } from "../hooks/useResponsive"

const createXlsxWorker = () => {
  return new Worker(new URL("../workers/xlsxWorker.ts", import.meta.url), {
    type: "module",
  })
}

interface student {
  id: number
  name: string
  group_name?: string | null
  score: number
  tags?: string[]
  tagIds?: number[]
  extra_json?: string | null
  avatarUrl?: string | null
}

export const StudentManager: React.FC<{ canEdit: boolean }> = ({ canEdit }) => {
  const { t } = useTranslation()
  const [data, setData] = useState<student[]>([])
  const [loading, setLoading] = useState(false)
  const [currentPage, setCurrentPage] = useState(1)
  const [pageSize, setPageSize] = useState<number>(50)
  const [visible, setVisible] = useState(false)
  const [importVisible, setImportVisible] = useState(false)
  const [xlsxVisible, setXlsxVisible] = useState(false)
  const [tagEditVisible, setTagEditVisible] = useState(false)
  const [editingStudent, setEditingStudent] = useState<student | null>(null)
  const [groupEditVisible, setGroupEditVisible] = useState(false)
  const [groupEditStudent, setGroupEditStudent] = useState<student | null>(null)
  const [groupSaving, setGroupSaving] = useState(false)
  const [avatarVisible, setAvatarVisible] = useState(false)
  const [avatarSaving, setAvatarSaving] = useState(false)
  const [avatarStudent, setAvatarStudent] = useState<student | null>(null)
  const [avatarValue, setAvatarValue] = useState<string | null>(null)
  const avatarInputRef = useRef<HTMLInputElement | null>(null)
  const [xlsxLoading, setXlsxLoading] = useState(false)
  const [textImportLoading, setTextImportLoading] = useState(false)
  const [xlsxFileName, setXlsxFileName] = useState("")
  const [xlsxAoa, setXlsxAoa] = useState<any[][]>([])
  const [xlsxSelectedCol, setXlsxSelectedCol] = useState<number | null>(null)
  const [textImportValue, setTextImportValue] = useState("")
  const xlsxInputRef = useRef<HTMLInputElement | null>(null)
  const xlsxWorkerRef = useRef<Worker | null>(null)
  const [form] = Form.useForm()
  const [groupForm] = Form.useForm()
  const [messageApi, contextHolder] = message.useMessage()
  const isMobile = useIsMobile()
  const isTablet = useIsTablet()
  const breakpoint = useResponsive()

  useEffect(() => {
    xlsxWorkerRef.current = createXlsxWorker()
    return () => {
      xlsxWorkerRef.current?.terminate()
    }
  }, [])

  const emitDataUpdated = (category: "students" | "all") => {
    window.dispatchEvent(new CustomEvent("ss:data-updated", { detail: { category } }))
  }

  const fetchStudents = useCallback(async () => {
    if (!(window as any).api) return
    setLoading(true)
    try {
      const res = await (window as any).api.queryStudents({})
      if (res.success && res.data) {
        try {
          const students = await Promise.all(
            (res.data as any[]).map(async (s) => {
              let tagIds: number[] = []
              let tags: string[] = []

              try {
                const tagsRes = await (window as any).api.tagsGetByStudent(s.id)
                if (tagsRes.success && tagsRes.data) {
                  tagIds = tagsRes.data.map((t: any) => t.id)
                  tags = tagsRes.data.map((t: any) => t.name)
                }
              } catch (e) {
                console.warn("Failed to fetch tags for student:", s.id, e)
              }

              return {
                id: s.id,
                name: s.name,
                group_name: s.group_name ?? null,
                score: s.score,
                extra_json: s.extra_json ?? null,
                avatarUrl: getAvatarFromExtraJson(s.extra_json),
                tags,
                tagIds,
              }
            })
          )
          console.debug("Fetched students:", students)
          setData(students)
        } catch (e) {
          console.warn("Failed to parse students response, falling back:", e)
          setData(res.data)
        }
      }
    } catch (e) {
      console.error("Failed to fetch students:", e)
    } finally {
      setLoading(false)
    }
  }, [])

  useEffect(() => {
    fetchStudents()
    const onDataUpdated = (e: any) => {
      const category = e?.detail?.category
      if (category === "students" || category === "all") fetchStudents()
    }
    window.addEventListener("ss:data-updated", onDataUpdated as any)
    return () => window.removeEventListener("ss:data-updated", onDataUpdated as any)
  }, [fetchStudents])

  const handleAdd = async () => {
    if (!(window as any).api) return
    if (!canEdit) {
      messageApi.error(t("common.readOnly"))
      return
    }
    try {
      const values = await form.validateFields()
      if (!values.name) {
        messageApi.warning(t("students.nameRequired"))
        return
      }

      const name = values.name.trim()
      const groupName =
        typeof values.group_name === "string" && values.group_name.trim()
          ? values.group_name.trim()
          : undefined
      if (data.some((s) => s.name === name)) {
        messageApi.warning(t("students.nameExists"))
        return
      }

      const res = await (window as any).api.createStudent({ ...values, name, group_name: groupName })
      if (res.success) {
        messageApi.success(t("students.addSuccess"))
        setVisible(false)
        form.resetFields()
        fetchStudents()
        emitDataUpdated("students")
      } else {
        messageApi.error(res.message || t("students.addFailed"))
      }
    } catch (err) {
      try {
        const api = (window as any).api
        api?.writeLog?.({
          level: "error",
          message: "renderer:validate error",
          meta:
            err instanceof Error
              ? { message: err.message, stack: err.stack }
              : { err: String(err) },
        })
      } catch {
        return
      }
    }
  }

  const handleDelete = async (id: number) => {
    if (!(window as any).api) return
    if (!canEdit) {
      messageApi.error(t("common.readOnly"))
      return
    }
    const res = await (window as any).api.deleteStudent(id)
    if (res.success) {
      messageApi.success(t("students.deleteSuccess"))
      fetchStudents()
      emitDataUpdated("students")
    } else {
      messageApi.error(res.message || t("students.deleteFailed"))
    }
  }

  const handleOpenTagEditor = (student: student) => {
    if (!canEdit) {
      messageApi.error(t("common.readOnly"))
      return
    }
    setEditingStudent(student)
    setTagEditVisible(true)
  }

  const handleOpenAvatarEditor = (student: student) => {
    if (!canEdit) {
      messageApi.error(t("common.readOnly"))
      return
    }
    setAvatarStudent(student)
    setAvatarValue(student.avatarUrl || null)
    setAvatarVisible(true)
  }

  const handleOpenGroupEditor = (student: student) => {
    if (!canEdit) {
      messageApi.error(t("common.readOnly"))
      return
    }
    setGroupEditStudent(student)
    groupForm.setFieldsValue({ group_name: student.group_name || "" })
    setGroupEditVisible(true)
  }

  const handleSaveGroup = async () => {
    if (!(window as any).api || !groupEditStudent) return

    try {
      const values = await groupForm.validateFields()
      const groupName =
        typeof values.group_name === "string" && values.group_name.trim()
          ? values.group_name.trim()
          : ""
      setGroupSaving(true)
      const res = await (window as any).api.updateStudent(groupEditStudent.id, {
        group_name: groupName,
      })
      if (res?.success) {
        messageApi.success(t("students.groupSaveSuccess"))
        setGroupEditVisible(false)
        setGroupEditStudent(null)
        groupForm.resetFields()
        fetchStudents()
        emitDataUpdated("students")
      } else {
        messageApi.error(res?.message || t("students.groupSaveFailed"))
      }
    } catch {
      return
    } finally {
      setGroupSaving(false)
    }
  }

  const readFileAsDataUrl = (file: File): Promise<string> => {
    return new Promise((resolve, reject) => {
      const reader = new FileReader()
      reader.onload = () => {
        const result = reader.result
        if (typeof result === "string") resolve(result)
        else reject(new Error("invalid-result"))
      }
      reader.onerror = () => reject(reader.error || new Error("read-failed"))
      reader.readAsDataURL(file)
    })
  }

  const handleAvatarFileChange = async (file?: File) => {
    if (!file) return
    if (!file.type.startsWith("image/")) {
      messageApi.error(t("students.avatarInvalidFile"))
      return
    }
    const maxSize = 2 * 1024 * 1024
    if (file.size > maxSize) {
      messageApi.error(t("students.avatarTooLarge"))
      return
    }
    try {
      const dataUrl = await readFileAsDataUrl(file)
      setAvatarValue(dataUrl)
    } catch {
      messageApi.error(t("students.avatarReadFailed"))
    }
  }

  const handleSaveAvatar = async () => {
    if (!(window as any).api || !avatarStudent) return

    setAvatarSaving(true)
    try {
      const payload = setAvatarInExtraJson(avatarStudent.extra_json, avatarValue)
      const res = await (window as any).api.updateStudent(avatarStudent.id, {
        extra_json: payload,
      })
      if (res?.success) {
        messageApi.success(t("students.avatarSaveSuccess"))
        setAvatarVisible(false)
        setAvatarStudent(null)
        setAvatarValue(null)
        fetchStudents()
        emitDataUpdated("students")
      } else {
        messageApi.error(res?.message || t("students.avatarSaveFailed"))
      }
    } catch {
      messageApi.error(t("students.avatarSaveFailed"))
    } finally {
      setAvatarSaving(false)
    }
  }

  const handleSaveTags = async (tagIds: number[]) => {
    if (!editingStudent || !(window as any).api) return

    try {
      const res = await (window as any).api.tagsUpdateStudentTags(editingStudent.id, tagIds)
      if (res && res.success) {
        messageApi.success("标签保存成功")
        setTagEditVisible(false)
        setEditingStudent(null)
        fetchStudents()
        emitDataUpdated("students")
      } else {
        const errorMsg = res?.message || t("students.tagSaveFailed")
        messageApi.error(errorMsg)
      }
    } catch (error) {
      const errorMsg = error instanceof Error ? error.message : String(error)
      messageApi.error(`${t("students.tagSaveFailed")}: ${errorMsg}`)
    }
  }

  const excelColName = (idx: number) => {
    let n = idx + 1
    let s = ""
    while (n > 0) {
      const mod = (n - 1) % 26
      s = String.fromCharCode(65 + mod) + s
      n = Math.floor((n - 1) / 26)
    }
    return s
  }

  const parseXlsxFile = async (file: File) => {
    if (!xlsxWorkerRef.current) {
      messageApi.error(t("students.workerNotReady"))
      return
    }

    setXlsxLoading(true)
    try {
      const buf = await file.arrayBuffer()

      xlsxWorkerRef.current.postMessage({
        type: "parseXlsx",
        data: { buffer: buf },
      })

      const handleMessage = (event: MessageEvent) => {
        if (event.data.type === "success") {
          setXlsxFileName(file.name)
          setXlsxAoa(event.data.data)
          setXlsxSelectedCol(null)
          setXlsxVisible(true)
          setImportVisible(false)
          setXlsxLoading(false)
        } else if (event.data.type === "error") {
          messageApi.error(event.data.error || t("students.parseXlsxFailed"))
          setXlsxLoading(false)
        }
        xlsxWorkerRef.current?.removeEventListener("message", handleMessage)
      }

      xlsxWorkerRef.current.addEventListener("message", handleMessage)
    } catch (e: any) {
      messageApi.error(e?.message || t("students.parseXlsxFailed"))
      setXlsxLoading(false)
    }
  }

  const xlsxMaxCols = useMemo(() => {
    let max = 0
    for (const row of xlsxAoa) {
      if (Array.isArray(row)) max = Math.max(max, row.length)
    }
    return max
  }, [xlsxAoa])

  const xlsxPreviewRows = useMemo(() => {
    const limit = 50
    const rows = xlsxAoa.slice(0, limit)
    return rows.map((row, idx) => {
      const record: any = { __row: idx + 1 }
      for (let c = 0; c < xlsxMaxCols; c++) {
        record[`c${c}`] = row?.[c] ?? ""
      }
      return record
    })
  }, [xlsxAoa, xlsxMaxCols])

  const xlsxPreviewColumns = useMemo(() => {
    const cols: any[] = [
      {
        title: "#",
        dataIndex: "__row",
        key: "__row",
        width: 60,
        align: "center" as const,
        fixed: "left" as const,
      },
    ]
    for (let c = 0; c < xlsxMaxCols; c++) {
      const selected = xlsxSelectedCol === c
      cols.push({
        title: (
          <span
            style={{
              cursor: "pointer",
              fontWeight: selected ? 700 : 500,
              color: selected ? "var(--ant-color-primary, #1890ff)" : undefined,
            }}
            onClick={() => setXlsxSelectedCol(c)}
          >
            {excelColName(c)}
          </span>
        ),
        dataIndex: `c${c}`,
        key: `c${c}`,
        width: 120,
      })
    }
    return cols
  }, [xlsxMaxCols, xlsxSelectedCol])

  const extractUniqueNames = (rawNames: string[]) => {
    const out: string[] = []
    const seen = new Set<string>()
    const banned = new Set([t("students.name").toLowerCase(), "name", t("students.name")])
    for (const raw of rawNames) {
      const name = String(raw ?? "").trim()
      if (!name) continue
      if (banned.has(name.toLowerCase()) || banned.has(name)) continue
      if (seen.has(name)) continue
      seen.add(name)
      out.push(name)
    }
    return out
  }

  const extractNamesFromAoa = (aoa: any[][], colIdx: number) => {
    const names = aoa.map((row) => String(row?.[colIdx] ?? ""))
    return extractUniqueNames(names)
  }

  const extractNamesFromText = (text: string) => {
    const lines = text.split(/\r?\n/)
    return extractUniqueNames(lines)
  }

  const importNames = async (names: string[]) => {
    if (!(window as any).api) return false
    const res = await (window as any).api.importStudentsFromXlsx({ names })
    if (!res?.success) {
      messageApi.error(res?.message || t("students.importFailed"))
      return false
    }
    const inserted = Number(res?.data?.inserted ?? 0)
    const skipped = Number(res?.data?.skipped ?? 0)
    messageApi.success(t("students.importComplete", { inserted, skipped }))
    fetchStudents()
    emitDataUpdated("students")
    return true
  }

  const handleConfirmXlsxImport = async () => {
    if (!canEdit) {
      messageApi.error(t("common.readOnly"))
      return
    }
    if (xlsxSelectedCol == null) {
      messageApi.warning(t("students.selectNameColFirst"))
      return
    }

    const names = extractNamesFromAoa(xlsxAoa, xlsxSelectedCol)
    if (!names.length) {
      messageApi.error(t("students.noNamesFound"))
      return
    }

    setXlsxLoading(true)
    try {
      const success = await importNames(names)
      if (!success) return
      setXlsxVisible(false)
      setXlsxAoa([])
      setXlsxFileName("")
      setXlsxSelectedCol(null)
    } finally {
      setXlsxLoading(false)
    }
  }

  const handleImportTextNames = async () => {
    if (!canEdit) {
      messageApi.error(t("common.readOnly"))
      return
    }
    const names = extractNamesFromText(textImportValue)
    if (!names.length) {
      messageApi.warning(t("students.noNamesFound"))
      return
    }

    setTextImportLoading(true)
    try {
      const success = await importNames(names)
      if (!success) return
      setTextImportValue("")
      setImportVisible(false)
    } finally {
      setTextImportLoading(false)
    }
  }

  const columns: ColumnsType<student> = useMemo(() => {
    const baseColumns: ColumnsType<student> = [
      {
        title: t("students.avatar"),
        key: "avatar",
        width: isMobile ? 60 : 88,
        align: "center",
        render: (_, row) =>
          row.avatarUrl ? (
            <img
              src={row.avatarUrl}
              alt={row.name}
              style={{
                width: isMobile ? 24 : 32,
                height: isMobile ? 24 : 32,
                borderRadius: "50%",
                objectFit: "cover",
                border: "1px solid var(--ss-border-color)",
              }}
            />
          ) : (
            <div
              style={{
                width: isMobile ? 24 : 32,
                height: isMobile ? 24 : 32,
                borderRadius: "50%",
                margin: "0 auto",
                backgroundColor: "var(--ss-bg-color)",
                border: "1px dashed var(--ss-border-color)",
                color: "var(--ss-text-secondary)",
                display: "flex",
                alignItems: "center",
                justifyContent: "center",
                fontSize: isMobile ? 10 : 12,
              }}
            >
              -
            </div>
          ),
      },
      {
        title: t("students.name"),
        dataIndex: "name",
        key: "name",
        width: isMobile ? 80 : 100,
        ellipsis: true,
      },
      {
        title: t("students.group"),
        dataIndex: "group_name",
        key: "group_name",
        width: isMobile ? 90 : 120,
        ellipsis: true,
        render: (groupName?: string | null) => groupName?.trim() || t("students.noGroup"),
      },
      {
        title: t("students.currentScore"),
        dataIndex: "score",
        key: "score",
        width: isMobile ? 100 : 160,
        align: "center",
        render: (score: number) => (
          <span
            style={{
              fontWeight: "bold",
              color:
                score > 0
                  ? "var(--ant-color-success, #52c41a)"
                  : score < 0
                    ? "var(--ant-color-error, #ff4d4f)"
                    : "inherit",
              fontSize: isMobile ? 12 : 14,
            }}
          >
            {score > 0 ? `+${score}` : score}
          </span>
        ),
      },
      {
        title: t("students.tags"),
        dataIndex: "tags",
        key: "tags",
        width: isMobile ? 120 : 200,
        render: (tags: string[] = []) => (
          <Space size={isMobile ? 2 : 4}>
            {tags.length === 0 ? (
              <span style={{ color: "var(--ss-text-secondary)", fontSize: isMobile ? 10 : 12 }}>
                {t("students.noTags")}
              </span>
            ) : (
              tags.slice(0, isMobile ? 2 : 3).map((tag) => (
                <Tag key={tag} color="blue" style={{ fontSize: isMobile ? 10 : 12, margin: 0 }}>
                  {tag}
                </Tag>
              ))
            )}
            {tags.length > (isMobile ? 2 : 3) && (
              <Tag style={{ fontSize: isMobile ? 10 : 12, margin: 0 }}>
                +{tags.length - (isMobile ? 2 : 3)}
              </Tag>
            )}
          </Space>
        ),
      },
      {
        title: t("common.operation"),
        key: "operation",
        width: isMobile ? 96 : 110,
        fixed: isMobile ? "right" : undefined,
        render: (_, row) => (
          <Dropdown
            trigger={["click"]}
            menu={{
              items: [
                { key: "editTags", label: t("students.editTags") },
                { key: "editGroup", label: t("students.editGroup") },
                { key: "editAvatar", label: t("students.editAvatar") },
                { key: "delete", danger: true, label: t("common.delete") },
              ],
              onClick: ({ key }) => {
                if (key === "editTags") handleOpenTagEditor(row)
                else if (key === "editGroup") handleOpenGroupEditor(row)
                else if (key === "editAvatar") handleOpenAvatarEditor(row)
                else if (key === "delete") handleDelete(row.id)
              },
            }}
          >
            <Button size={isMobile ? "small" : "middle"} disabled={!canEdit} icon={<MoreOutlined />}>
              {t("common.operation")}
            </Button>
          </Dropdown>
        ),
      },
    ]

    if (isMobile) {
      return baseColumns.filter((col) => col.key !== "tags")
    }

    return baseColumns
  }, [t, canEdit, isMobile, isTablet, breakpoint])

  const paginatedData = data.slice((currentPage - 1) * pageSize, currentPage * pageSize)

  return (
    <div style={{ padding: "24px" }}>
      {contextHolder}
      <div style={{ marginBottom: "16px", display: "flex", justifyContent: "space-between" }}>
        <h2 style={{ margin: 0, color: "var(--ss-text-main)" }}>{t("students.title")}</h2>
        <Space>
          <Button disabled={!canEdit} onClick={() => setImportVisible(true)}>
            {t("students.importList")}
          </Button>
          <Button type="primary" disabled={!canEdit} onClick={() => setVisible(true)}>
            {t("students.addStudent")}
          </Button>
        </Space>
      </div>

      <Table
        dataSource={paginatedData}
        columns={columns}
        rowKey="id"
        loading={loading}
        pagination={false}
        style={{ backgroundColor: "var(--ss-card-bg)", color: "var(--ss-text-main)" }}
      />
      <div style={{ marginTop: 16, textAlign: "right" }}>
        <Pagination
          current={currentPage}
          pageSize={pageSize}
          total={data.length}
          onChange={(page, size) => {
            setCurrentPage(page)
            setPageSize(size)
          }}
          showSizeChanger
          showTotal={(total) => t("common.total", { count: total })}
        />
      </div>

      <Modal
        title={t("students.addTitle")}
        open={visible}
        onOk={handleAdd}
        onCancel={() => setVisible(false)}
        okText={t("students.addConfirm")}
        cancelText={t("common.cancel")}
        destroyOnHidden
      >
        <Form form={form} layout="vertical">
          <Form.Item
            label={t("students.name")}
            name="name"
            rules={[{ required: true, message: t("students.nameRequired") }]}
          >
            <Input placeholder={t("students.namePlaceholder")} />
          </Form.Item>
          <Form.Item label={t("students.group")} name="group_name">
            <Input placeholder={t("students.groupPlaceholder")} />
          </Form.Item>
        </Form>
      </Modal>

      <Modal
        title={t("students.editGroupTitle", { name: groupEditStudent?.name || "" })}
        open={groupEditVisible}
        onCancel={() => {
          setGroupEditVisible(false)
          setGroupEditStudent(null)
          groupForm.resetFields()
        }}
        onOk={handleSaveGroup}
        okText={t("common.save")}
        cancelText={t("common.cancel")}
        okButtonProps={{ loading: groupSaving, disabled: !groupEditStudent }}
        destroyOnHidden
      >
        <Form form={groupForm} layout="vertical">
          <Form.Item label={t("students.group")} name="group_name">
            <Input placeholder={t("students.groupPlaceholder")} />
          </Form.Item>
        </Form>
      </Modal>

      <Modal
        title={t("students.importTitle")}
        open={importVisible}
        onCancel={() => setImportVisible(false)}
        footer={null}
        destroyOnHidden
      >
        <Space orientation="vertical" style={{ width: "100%" }}>
          <div style={{ color: "var(--ss-text-secondary)", fontSize: 12 }}>
            {t("students.importTextHint")}
          </div>
          <Input.TextArea
            value={textImportValue}
            onChange={(e) => setTextImportValue(e.target.value)}
            rows={8}
            placeholder={t("students.importTextPlaceholder")}
            disabled={!canEdit || textImportLoading}
          />
          <Button
            type="primary"
            loading={textImportLoading}
            disabled={!canEdit}
            onClick={handleImportTextNames}
          >
            {t("students.importByText")}
          </Button>
          <Button
            loading={xlsxLoading}
            disabled={!canEdit}
            onClick={() => {
              xlsxInputRef.current?.click()
            }}
          >
            {t("students.importByXlsx")}
          </Button>
          <input
            ref={xlsxInputRef}
            type="file"
            accept=".xlsx,application/vnd.openxmlformats-officedocument.spreadsheetml.sheet"
            style={{ display: "none" }}
            onChange={(e) => {
              const file = e.target.files?.[0]
              if (file) parseXlsxFile(file)
              if (xlsxInputRef.current) xlsxInputRef.current.value = ""
            }}
          />
        </Space>
      </Modal>

      <Modal
        title={t("students.xlsxPreview")}
        open={xlsxVisible}
        onCancel={() => setXlsxVisible(false)}
        onOk={handleConfirmXlsxImport}
        okText={t("students.importConfirm")}
        okButtonProps={{ loading: xlsxLoading, disabled: xlsxSelectedCol == null }}
        width="80%"
        destroyOnHidden
      >
        <div style={{ marginBottom: "12px", color: "var(--ss-text-secondary)", fontSize: "12px" }}>
          <div>
            {t("students.file")}
            {xlsxFileName || "-"}
          </div>
          <div>
            {t("students.selectNameCol")}
            {xlsxSelectedCol == null ? "-" : excelColName(xlsxSelectedCol)}
          </div>
          <div>{t("students.previewRows")}</div>
        </div>
        <Table
          dataSource={xlsxPreviewRows}
          columns={xlsxPreviewColumns}
          rowKey="__row"
          bordered
          scroll={{ y: 420 }}
          style={{ backgroundColor: "var(--ss-card-bg)", color: "var(--ss-text-main)" }}
          pagination={false}
        />
      </Modal>

      <TagEditorDialog
        visible={tagEditVisible}
        onClose={() => {
          setTagEditVisible(false)
          setEditingStudent(null)
        }}
        onConfirm={handleSaveTags}
        initialTagIds={editingStudent?.tagIds || []}
        title={t("students.editTagTitle", { name: editingStudent?.name || "" })}
      />

      <Modal
        title={t("students.editAvatarTitle", { name: avatarStudent?.name || "" })}
        open={avatarVisible}
        onCancel={() => {
          setAvatarVisible(false)
          setAvatarStudent(null)
          setAvatarValue(null)
        }}
        onOk={handleSaveAvatar}
        okButtonProps={{ loading: avatarSaving, disabled: !avatarStudent }}
        okText={t("common.save")}
        cancelText={t("common.cancel")}
        destroyOnHidden
      >
        <div style={{ display: "flex", flexDirection: "column", gap: 12 }}>
          <div style={{ display: "flex", justifyContent: "center", padding: "8px 0" }}>
            {avatarValue ? (
              <img
                src={avatarValue}
                alt={avatarStudent?.name || "avatar"}
                style={{
                  width: 96,
                  height: 96,
                  borderRadius: "50%",
                  objectFit: "cover",
                  border: "1px solid var(--ss-border-color)",
                }}
              />
            ) : (
              <div
                style={{
                  width: 96,
                  height: 96,
                  borderRadius: "50%",
                  border: "1px dashed var(--ss-border-color)",
                  backgroundColor: "var(--ss-bg-color)",
                  color: "var(--ss-text-secondary)",
                  display: "flex",
                  alignItems: "center",
                  justifyContent: "center",
                }}
              >
                {t("students.noAvatar")}
              </div>
            )}
          </div>
          <div style={{ display: "flex", gap: 8 }}>
            <Button
              icon={<UploadOutlined />}
              onClick={() => avatarInputRef.current?.click()}
              disabled={!canEdit}
            >
              {t("students.avatarUpload")}
            </Button>
            <Button onClick={() => setAvatarValue(null)} disabled={!canEdit}>
              {t("students.avatarClear")}
            </Button>
          </div>
          <input
            ref={avatarInputRef}
            type="file"
            accept="image/*"
            style={{ display: "none" }}
            onChange={(e) => {
              const file = e.target.files?.[0]
              handleAvatarFileChange(file)
              if (avatarInputRef.current) avatarInputRef.current.value = ""
            }}
          />
          <div style={{ color: "var(--ss-text-secondary)", fontSize: 12 }}>
            {t("students.avatarTip")}
          </div>
        </div>
      </Modal>
    </div>
  )
}