import React, { useState } from 'react';
import {
  TextField,
  Box,
  IconButton,
  Switch,
  FormGroup,
  Typography,
  InputAdornment,
} from '@mui/material';
import { useTranslation } from 'react-i18next';
import { TickCircle, Eye, EyeSlash, CloseCircle } from 'iconsax-react';
import { PasswordValidationItem } from './PasswordValidation';
import { Icon } from '@rkheftan/harmony-ui';

interface PasswordSectionProps {
  showPasswordSection: boolean;
  setShowPasswordSection: (checked: boolean) => void;
  password: string;
  setPassword: (password: string) => void;
  confirmPassword: string;
  setConfirmPassword: (confirmPassword: string) => void;
  matchPassword: boolean;
  hasNumber: boolean;
  hasMinLength: boolean;
  hasUpperAndLower: boolean;
  hasSpecialChar: boolean;
  validPassword: boolean;
  showValidations: boolean;
}

export function PasswordSection({
  showPasswordSection,
  setShowPasswordSection,
  password,
  setPassword,
  confirmPassword,
  setConfirmPassword,
  matchPassword,
  hasNumber,
  hasMinLength,
  hasUpperAndLower,
  hasSpecialChar,
  validPassword,
  showValidations,
}: PasswordSectionProps) {
  const { t } = useTranslation('completionForm');
  const [showPasswordText, setShowPasswordText] = useState(false);
  const [showPasswordRepetitionText, setShowPasswordRepetitionText] =
    useState(false);

  const handleTogglePasswordSection = (
    e: React.ChangeEvent<HTMLInputElement>,
  ) => {
    setShowPasswordSection(e.target.checked);
  };

  const handleTogglePasswordEye = () => setShowPasswordText((prev) => !prev);
  const handleTogglePasswordRepetitionEye = () =>
    setShowPasswordRepetitionText((prev) => !prev);

  return (
    <>
      <FormGroup>
        <Box
          sx={{
            display: 'flex',
            gap: 0.5,
            px: { xs: 2, sm: -4 },
            alignItems: 'center',
          }}
        >
          <Switch
            checked={showPasswordSection}
            onChange={handleTogglePasswordSection}
          />
          <Typography
            sx={{
              color: showPasswordSection ? 'primary.main' : 'text.primary',
            }}
          >
            {t('completion.determinePassword')}
          </Typography>
        </Box>
      </FormGroup>

      {showPasswordSection && (
        <Box
          sx={{
            display: 'flex',
            flexDirection: 'column',
            gap: 2,
            px: { xs: 2, sm: 0 },
          }}
        >
          <Box
            sx={{
              display: 'flex',
              flexWrap: 'wrap',
              gap: 2,
              justifyContent: { xs: 'center', sm: 'flex-start' },
            }}
          >
            <TextField
              label={t('completion.password')}
              value={password}
              onChange={(e) => setPassword(e.target.value)}
              variant="outlined"
              type={showPasswordText ? 'text' : 'password'}
              sx={{
                flex: '1 1 260px',
                '& .MuiInputBase-input': {
                  pr: 8, // Increased padding to accommodate both icons
                },
              }}
              InputProps={{
                endAdornment: (
                  <InputAdornment position="end">
                    <Box
                      sx={{
                        display: 'flex',
                        alignItems: 'center',
                        justifyContent: 'flex-end',
                        minWidth: '64px', // Adjusted to fit both icons
                      }}
                    >
                      <IconButton
                        onClick={handleTogglePasswordEye}
                        sx={{ p: 0.5 }}
                      >
                        {showPasswordText ? (
                          <Icon
                            Component={Eye}
                            color="primary.main"
                            size="medium"
                          />
                        ) : (
                          <Icon
                            Component={EyeSlash}
                            size="medium"
                            color="primary.main"
                          />
                        )}
                      </IconButton>
                      {validPassword && (
                        <Icon
                          Component={TickCircle}
                          size="medium"
                          color="success.main"
                          variant="Bold"
                        />
                      )}
                    </Box>
                  </InputAdornment>
                ),
              }}
            />

            <TextField
              label={t('completion.passwordRepetition')}
              variant="outlined"
              value={confirmPassword}
              onChange={(e) => setConfirmPassword(e.target.value)}
              error={confirmPassword.length > 0 && !matchPassword}
              helperText={
                confirmPassword.length > 0 && !matchPassword
                  ? t('completion.notCompatibility')
                  : ' '
              }
              type={showPasswordRepetitionText ? 'text' : 'password'}
              sx={{
                flex: '1 1 260px',
              }}
              InputProps={{
                endAdornment: (
                  <InputAdornment position="end">
                    <Box
                      sx={{
                        display: 'flex',
                        alignItems: 'center',
                        justifyContent: 'flex-end',
                        minWidth: '64px',
                      }}
                    >
                      <IconButton
                        onClick={handleTogglePasswordRepetitionEye}
                        sx={{ p: 0.5 }}
                      >
                        {showPasswordRepetitionText ? (
                          <Icon
                            Component={Eye}
                            color="primary.main"
                            size="medium"
                          />
                        ) : (
                          <Icon
                            Component={EyeSlash}
                            size="medium"
                            color="primary.main"
                          />
                        )}
                      </IconButton>
                      {confirmPassword.length > 0 && (
                        <Icon
                          Component={matchPassword ? TickCircle : CloseCircle}
                          size="medium"
                          color={matchPassword ? 'success.main' : 'error.main'}
                          variant="Bold"
                        />
                      )}
                    </Box>
                  </InputAdornment>
                ),
              }}
            />
          </Box>

          {password && showValidations && (
            <Box
              sx={{
                display: 'flex',
                flexWrap: 'wrap',
                gap: 2,
                justifyContent: { xs: 'center', sm: 'flex-start' },
              }}
            >
              <Box
                sx={{
                  flex: '1 1 260px',
                  display: 'flex',
                  flexDirection: 'column',
                }}
              >
                <PasswordValidationItem
                  isValid={hasNumber}
                  label={t('completion.hasNumber')}
                />
                <PasswordValidationItem
                  isValid={hasMinLength}
                  label={t('completion.hasMinLength')}
                />
              </Box>
              <Box
                sx={{
                  flex: '1 1 260px',
                  display: 'flex',
                  flexDirection: 'column',
                }}
              >
                <PasswordValidationItem
                  isValid={hasUpperAndLower}
                  label={t('completion.hasUpperAndLower')}
                />
                <PasswordValidationItem
                  isValid={hasSpecialChar}
                  label={t('completion.hasSpecialChar')}
                />
              </Box>
            </Box>
          )}
        </Box>
      )}
    </>
  );
}