import { makeStyles, Theme, Typography } from '@material-ui/core';
import { FC, useState, useContext } from 'react';
import { useTranslation } from 'react-i18next';
import DialogTemplate from '../../components/customDialog/DialogTemplate';
import CustomSelector from '../../components/customSelector/CustomSelector';
import { rootContext } from '../../context/Root';
import { InsertStatusEnum } from './insert/Types';
import { CollectionHttp } from '../../http/Collection';
import { MilvusHttp } from '../../http/Milvus';
import { LoadSampleParam } from './Types';

const getStyles = makeStyles((theme: Theme) => {
  return {
    icon: {
      fontSize: '16px',
    },

    selectors: {
      '& .selectorWrapper': {
        display: 'flex',
        flexDirection: 'column',
        marginBottom: theme.spacing(2),

        '& .selectLabel': {
          fontSize: '14px',
          lineHeight: '20px',
          color: theme.palette.attuDark.main,
        },

        '& .description': {
          color: theme.palette.attuGrey.dark,
          marginBottom: theme.spacing(1),
          fontSize: 12,
        },
      },

      '& .selector': {
        minWidth: '128px',
      },
    },
  };
});

const ImportSampleDialog: FC<{ collection: string }> = props => {
  const classes = getStyles();
  const [size, setSize] = useState<string>('100');
  const [insertStatus, setInsertStatus] = useState<InsertStatusEnum>(
    InsertStatusEnum.init
  );

  const { t: insertTrans } = useTranslation('insert');
  const { t: btnTrans } = useTranslation('btn');
  const { handleCloseDialog, openSnackBar } = useContext(rootContext);
  // selected collection name

  const sizeOptions = [
    {
      label: '100',
      value: '100',
    },
    {
      label: '1k',
      value: '1000',
    },
    {
      label: '10k',
      value: '10000',
    },
    {
      label: '50k',
      value: '50000',
    },
  ];

  const handleImportSample = async (
    collectionName: string,
    size: string
  ): Promise<{ result: boolean; msg: string }> => {
    const param: LoadSampleParam = {
      collection_name: collectionName,
      size: size,
    };
    try {
      await CollectionHttp.importSample(collectionName, param);
      await MilvusHttp.flush(collectionName);
      return { result: true, msg: '' };
    } catch (err: any) {
      const {
        response: {
          data: { message },
        },
      } = err;
      return { result: false, msg: message || '' };
    }
  };

  const handleNext = async () => {
    if (insertStatus === InsertStatusEnum.success) {
      handleCloseDialog();
      return;
    }
    // start loading
    setInsertStatus(InsertStatusEnum.loading);
    const { result, msg } = await handleImportSample(props.collection, size);

    if (!result) {
      openSnackBar(msg, 'error');
      setInsertStatus(InsertStatusEnum.init);
      return;
    }
    setInsertStatus(InsertStatusEnum.success);
    // hide dialog
    handleCloseDialog();
  };

  return (
    <DialogTemplate
      title={insertTrans('importSampleData', {
        collection: props.collection,
      })}
      handleClose={handleCloseDialog}
      confirmLabel={
        insertStatus === InsertStatusEnum.init
          ? btnTrans('import')
          : insertStatus === InsertStatusEnum.loading
          ? btnTrans('importing')
          : insertStatus === InsertStatusEnum.success
          ? btnTrans('done')
          : insertStatus
      }
      handleConfirm={handleNext}
      confirmDisabled={false}
      showActions={true}
      showCancel={false}
      // don't show close icon when insert not finish
      // showCloseIcon={insertStatus !== InsertStatusEnum.loading}
    >
      <form className={classes.selectors}>
        <div className="selectorWrapper">
          <div className="description">
            <Typography variant="inherit" component="p">
              {insertTrans('importSampleDataDesc')}
            </Typography>
          </div>

          <CustomSelector
            label={insertTrans('sampleDataSize')}
            options={sizeOptions}
            wrapperClass="selector"
            labelClass="selectLabel"
            value={size}
            variant="filled"
            onChange={(e: { target: { value: unknown } }) => {
              const size = e.target.value;
              setSize(size as string);
            }}
          />
        </div>
      </form>
    </DialogTemplate>
  );
};

export default ImportSampleDialog;