import React from 'react';
import {
  Alert,
  Avatar,
  Button,
  Drawer,
  Form,
  Input,
  Modal,
  Segmented,
  Select,
} from 'antd';
import { UndoOutlined } from '@ant-design/icons';
import dayjs from 'dayjs';
import {
  ADMIN_CORRECTION_OPTIONS,
  AttendanceStatusTag,
  displayAttendanceStatus,
  type AdminStudentPanel,
  type AttendancePeriodConfigItem,
  type AttendanceRecordItem,
} from './AttendanceAdmin.helpers';

export const PeriodConfigModal: React.FC<{
  open: boolean;
  form: ReturnType<typeof Form.useForm<{ periods: AttendancePeriodConfigItem[] }>>[0];
  onOk: () => void;
  onCancel: () => void;
  onReset: () => void;
}> = ({ open, form, onOk, onCancel, onReset }) => {
  return (
    <Modal
      open={open}
      title="考勤时段配置"
      okText="保存配置"
      width={860}
      className="attendance-period-modal"
      onOk={onOk}
      onCancel={onCancel}
      footer={(_, { OkBtn, CancelBtn }) => (
        <>
          <Button icon={<UndoOutlined />} onClick={onReset}>
            恢复默认
          </Button>
          <CancelBtn />
          <OkBtn />
        </>
      )}
    >
      <Alert
        type="info"
        showIcon
        title="按课程开始时间自动匹配时段"
        description="默认：07:30-08:30 早自习，09:00-12:00 早课，14:00-17:00 晚课，18:30-21:00 晚自习。"
        style={{ marginBottom: 16 }}
      />
      <Form form={form} layout="vertical">
        <Form.List name="periods">
          {(fields, { add, remove }) => (
            <div className="attendance-period-editor">
              {fields.map((field) => (
                <div className="attendance-period-row" key={field.key}>
                  <Form.Item name={[field.name, 'label']} label="显示名称" rules={[{ required: true, message: '请输入名称' }]}>
                    <Input placeholder="早课" />
                  </Form.Item>
                  <Form.Item name={[field.name, 'periodKey']} label="类型标识" rules={[{ required: true, message: '请输入标识' }]}>
                    <Input placeholder="morning" />
                  </Form.Item>
                  <Form.Item name={[field.name, 'startTime']} label="开始时间" rules={[{ required: true, message: '请选择开始时间' }]}>
                    <Input type="time" />
                  </Form.Item>
                  <Form.Item name={[field.name, 'endTime']} label="结束时间" rules={[{ required: true, message: '请选择结束时间' }]}>
                    <Input type="time" />
                  </Form.Item>
                  <Form.Item name={[field.name, 'enabled']} label="状态">
                    <Select
                      options={[
                        { value: true, label: '启用' },
                        { value: false, label: '停用' },
                      ]}
                    />
                  </Form.Item>
                  <Button danger className="attendance-period-row__delete" onClick={() => remove(field.name)}>
                    删除
                  </Button>
                </div>
              ))}
              <Button
                block
                type="dashed"
                className="attendance-period-add"
                onClick={() =>
                  add({
                    periodKey: '',
                    label: '',
                    startTime: '00:00',
                    endTime: '00:30',
                    enabled: true,
                  })
                }
              >
                添加时段
              </Button>
            </div>
          )}
        </Form.List>
      </Form>
    </Modal>
  );
};

export const StudentDetailDrawer: React.FC<{
  student: AdminStudentPanel | null;
  isMobile: boolean;
  canEdit: boolean;
  sessionMap: Record<string, string>;
  correctingRecordId: number | null;
  sortAttendanceRecords: (items: readonly AttendanceRecordItem[]) => AttendanceRecordItem[];
  onClose: () => void;
  onUpdateAdminRecordStatus: (record: AttendanceRecordItem, nextStatus: string) => void;
}> = ({
  student,
  isMobile,
  canEdit,
  sessionMap,
  correctingRecordId,
  sortAttendanceRecords,
  onClose,
  onUpdateAdminRecordStatus,
}) => {
  return (
    <Drawer
      open={Boolean(student)}
      onClose={onClose}
      size={isMobile ? '100%' : 520}
      title="学生考勤明细"
      className="student-detail-drawer"
    >
      {student && (
        <div className="student-detail-panel">
          <section className="student-detail-profile">
            <Avatar size={54}>{student.studentName.slice(0, 1)}</Avatar>
            <div>
              <h4>{student.studentName}</h4>
              <p>
                {student.className}
                {student.studentNo ? ` · 学号 ${student.studentNo}` : ''}
              </p>
            </div>
            <div className="student-detail-rate">
              <strong>{student.rate}%</strong>
              <span>累计出勤率</span>
            </div>
          </section>
          <section className="student-detail-rates">
            {sortAttendanceRecords(student.records).map((record) => {
              const normal = record.status === 'present';
              return (
                <div key={record.id}>
                  <strong>{normal ? '100%' : '0%'}</strong>
                  <span>{sessionMap[record.session] || record.session}</span>
                </div>
              );
            })}
          </section>
          <section className="student-detail-section">
            <h5>当天打卡时间</h5>
            <div className="student-detail-timeline">
              {sortAttendanceRecords(student.records).map((record) => (
                <div key={record.id}>
                  <span>{sessionMap[record.session] || record.session}</span>
                  <AttendanceStatusTag status={displayAttendanceStatus(record.status)} />
                  <strong>
                    {record.punchTime ? dayjs(record.punchTime).format('HH:mm:ss') : '未记录'}
                  </strong>
                  {canEdit && (
                    <Segmented
                      size="small"
                      className="attendance-correction-segment"
                      options={ADMIN_CORRECTION_OPTIONS}
                      value={displayAttendanceStatus(record.status)}
                      disabled={correctingRecordId === record.id}
                      onChange={(value) => void onUpdateAdminRecordStatus(record, String(value))}
                    />
                  )}
                </div>
              ))}
            </div>
          </section>
        </div>
      )}
    </Drawer>
  );
};