import React, { useState } from 'react';
import PropTypes from 'prop-types';
import { useTranslation } from 'react-i18next';
import { useAutocomplete } from '@mui/base/AutocompleteUnstyled';
import { styled } from '@mui/material/styles';
import { Button, Tooltip } from '@mui/material';
import { paymentMethods, swapDestinations } from './payment-methods/Methods';

// Icons
import DashboardCustomizeIcon from '@mui/icons-material/DashboardCustomize';
import AddIcon from '@mui/icons-material/Add';
import PaymentIcon from './payment-methods/Icons';
import CheckIcon from '@mui/icons-material/Check';
import CloseIcon from '@mui/icons-material/Close';

const Root = styled('div')(
  ({ theme }) => `
  color: ${theme.palette.mode === 'dark' ? 'rgba(255,255,255,0.65)' : 'rgba(0,0,0,.85)'};
  font-size: 14px;
`,
);

const Label = styled('label')(
  ({ theme, error }) => `
  color: ${
    theme.palette.mode === 'dark' ? (error ? '#f44336' : '#cfcfcf') : error ? '#dd0000' : '#717171'
  };
  align: center;
  padding: 0 0 4px;
  line-height: 1.5; f44336
  display: block;
  font-size: 13px;
`,
);

const InputWrapper = styled('div')(
  ({ theme, error }) => `
  width: 244px;
  min-height: 44px;
  max-height: 124px;
  border: 1px solid ${
    theme.palette.mode === 'dark' ? (error ? '#f44336' : '#434343') : error ? '#dd0000' : '#c4c4c4'
  };
  background-color: ${theme.palette.mode === 'dark' ? '#141414' : '#fff'};
  border-radius: 4px;
  padding: 1px;
  display: flex;
  flex-wrap: wrap;
  overflow-y:auto;

  &:hover {
    border-color: ${
      theme.palette.mode === 'dark'
        ? error
          ? '#f44336'
          : '#ffffff'
        : error
        ? '#dd0000'
        : '#2f2f2f'
    };
  }

  &.focused {
    border: 2px solid ${
      theme.palette.mode === 'dark'
        ? error
          ? '#f44336'
          : '#90caf9'
        : error
        ? '#dd0000'
        : '#1976d2'
    };
  }

  & input {
    background-color: ${theme.palette.mode === 'dark' ? '#141414' : '#fff'};
    color: ${theme.palette.mode === 'dark' ? 'rgba(255,255,255,0.65)' : 'rgba(0,0,0,.85)'};
    height: 30px;
    box-sizing: border-box;
    padding: 4px 6px;
    width: 0;
    min-width: 30px;
    font-size: 15px;
    flex-grow: 1;
    border: 0;
    margin: 0;
    outline: 0;
    max-height: 124px;
  }
`,
);

function Tag(props) {
  const { label, icon, onDelete, ...other } = props;
  return (
    <div {...other}>
      <div style={{ position: 'relative', left: '-5px', top: '4px' }}>
        <PaymentIcon width={22} height={22} icon={icon} />
      </div>
      <span style={{ position: 'relative', left: '2px' }}>{label}</span>
      <CloseIcon onClick={onDelete} />
    </div>
  );
}

Tag.propTypes = {
  label: PropTypes.string.isRequired,
  icon: PropTypes.string.isRequired,
  onDelete: PropTypes.func.isRequired,
};

const StyledTag = styled(Tag)(
  ({ theme }) => `
  display: flex;
  align-items: center;
  height: 34px;
  margin: 2px;
  line-height: 22px;
  background-color: ${theme.palette.mode === 'dark' ? 'rgba(255,255,255,0.08)' : '#fafafa'};
  border: 1px solid ${theme.palette.mode === 'dark' ? '#303030' : '#e8e8e8'};
  border-radius: 2px;
  box-sizing: content-box;
  padding: 0 4px 0 10px;
  outline: 0;
  overflow: hidden;

  &:focus {
    border-color: ${theme.palette.mode === 'dark' ? '#177ddc' : '#40a9ff'};
    background-color: ${theme.palette.mode === 'dark' ? '#003b57' : '#e6f7ff'};
  }

  & span {
    overflow: hidden;
    white-space: nowrap;
    text-overflow: ellipsis;
    font-size: 15px;
  }

  & svg {
    font-size: 15px;
    cursor: pointer;
    padding: 4px;
  }
`,
);

const ListHeader = styled('span')(
  ({ theme }) => `
  color: ${theme.palette.mode === 'dark' ? '#90caf9' : '#1976d2'};
  align: left;
  line-height:10px;
  max-height: 10px;
  display: inline-block;
  background-color: ${theme.palette.mode === 'dark' ? '#141414' : '#ffffff'};
  font-size: 12px;
  pointer-events: none;
`,
);

const Listbox = styled('ul')(
  ({ theme }) => `
  width: 244px;
  margin: 2px 0 0;
  padding: 0;
  position: absolute;
  list-style: none;
  background-color: ${theme.palette.mode === 'dark' ? '#141414' : '#fff'};
  overflow: auto;
  max-height: 250px;
  border-radius: 4px;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.15);
  z-index: 999;

  & li {
    padding: 5px 12px;
    display: flex;

    & span {
      flex-grow: 1;
    }

    & svg {
      color: transparent;
    }

  }

  & li[aria-selected='true'] {
    background-color: ${theme.palette.mode === 'dark' ? '#2b2b2b' : '#fafafa'};
    font-weight: 600;

    & svg {
      color: ${theme.palette.primary.main};
    }
  }

  & li[data-focus='true'] {
    background-color: ${theme.palette.mode === 'dark' ? '#003b57' : '#e6f7ff'};
    cursor: pointer;

    & svg {
      color: currentColor;
    }
  }
`,
);

export default function AutocompletePayments(props) {
  const { t } = useTranslation();
  const {
    getRootProps,
    getInputLabelProps,
    getInputProps,
    getTagProps,
    getListboxProps,
    getOptionProps,
    groupedOptions,
    value,
    focused = 'true',
    setAnchorEl,
  } = useAutocomplete({
    sx: { width: '200px', align: 'left' },
    id: 'payment-methods',
    multiple: true,
    options: props.optionsType == 'fiat' ? paymentMethods : swapDestinations,
    getOptionLabel: (option) => option.name,
    onInputChange: (e) => setVal(e ? (e.target.value ? e.target.value : '') : ''),
    onChange: (event, value) => props.onAutocompleteChange(optionsToString(value)),
    onClose: () => setVal(() => ''),
  });

  const [val, setVal] = useState();

  function optionsToString(newValue) {
    let str = '';
    const arrayLength = newValue.length;
    for (let i = 0; i < arrayLength; i++) {
      str += newValue[i].name + ' ';
    }
    return str.slice(0, -1);
  }

  function handleAddNew(inputProps) {
    paymentMethods.push({ name: inputProps.value, icon: 'custom' });
    const a = value.push({ name: inputProps.value, icon: 'custom' });
    setVal(() => '');

    if (a || a == null) {
      props.onAutocompleteChange(optionsToString(value));
    }
    return false;
  }

  return (
    <Root>
      <div style={{ height: '5px' }}></div>
      <Tooltip
        placement='top'
        enterTouchDelay={300}
        enterDelay={700}
        enterNextDelay={2000}
        title={props.tooltipTitle}
      >
        <div {...getRootProps()}>
          <Label {...getInputLabelProps()} error={props.error ? 'error' : null}>
            {' '}
            {props.label}
          </Label>
          <InputWrapper
            ref={setAnchorEl}
            error={props.error ? 'error' : null}
            className={focused ? 'focused' : ''}
          >
            {value.map((option, index) => (
              <StyledTag label={t(option.name)} icon={option.icon} {...getTagProps({ index })} />
            ))}
            <input {...getInputProps()} value={val || ''} />
          </InputWrapper>
        </div>
      </Tooltip>
      {groupedOptions.length > 0 ? (
        <Listbox {...getListboxProps()}>
          <div
            style={{
              position: 'fixed',
              minHeight: '20px',
              marginLeft: 120 - props.listHeaderText.length * 3,
              marginTop: '-13px',
            }}
          >
            <ListHeader>
              <i>{props.listHeaderText + ' '} </i>{' '}
            </ListHeader>
          </div>
          {groupedOptions.map((option, index) => (
            <li key={option.name} {...getOptionProps({ option, index })}>
              <Button
                fullWidth={true}
                color='inherit'
                size='small'
                sx={{ textTransform: 'none' }}
                style={{ justifyContent: 'flex-start' }}
              >
                <div style={{ position: 'relative', right: '4px', top: '4px' }}>
                  <AddIcon style={{ color: '#1976d2' }} sx={{ width: 18, height: 18 }} />
                </div>
                {t(option.name)}
              </Button>
              <div style={{ position: 'relative', top: '5px' }}>
                <CheckIcon />
              </div>
            </li>
          ))}
          {val != null ? (
            val.length > 2 ? (
              <Button size='small' fullWidth={true} onClick={() => handleAddNew(getInputProps())}>
                <DashboardCustomizeIcon sx={{ width: 18, height: 18 }} />
                {props.addNewButtonText}
              </Button>
            ) : null
          ) : null}
        </Listbox>
      ) : // Here goes what happens if there is no groupedOptions
      getInputProps().value.length > 0 ? (
        <Listbox {...getListboxProps()}>
          <Button fullWidth={true} onClick={() => handleAddNew(getInputProps())}>
            <DashboardCustomizeIcon sx={{ width: 20, height: 20 }} />
            {props.addNewButtonText}
          </Button>
        </Listbox>
      ) : null}
    </Root>
  );
}