import React from 'react'
import { Drawer, Title, Text, Stack, Box, Progress, Table, ScrollArea } from '@mantine/core'
import { useXRD } from '../context/XRDContext'

const LogitDrawer = () => {
  const { isLogitDrawerOpen, setIsLogitDrawerOpen, modelResults } = useXRD()
  
  if (!modelResults?.predictions?.phase_predictions) {
    return null
  }
  
  // Get classification predictions (not lattice parameters)
  const classificationPredictions = modelResults.predictions.phase_predictions
    .filter(p => !p.is_lattice && p.confidence)
  
  const getColorForProbability = (prob) => {
    if (prob >= 0.8) return 'green'
    if (prob >= 0.5) return 'yellow'
    return 'orange'
  }
  
  return (
    <Drawer
      opened={isLogitDrawerOpen}
      onClose={() => setIsLogitDrawerOpen(false)}
      position="right"
      size="xl"
      title={
        <Title order={3}>Class Logit Distributions</Title>
      }
      padding="xl"
    >
      <Stack gap="xl">
        <Text size="sm" c="dimmed">
          Detailed logit scores for each classification task. Note: Logits have been normalized with softmax.
        </Text>
        
        {classificationPredictions.map((pred, idx) => (
          <Box key={idx}>
            <Title order={4} mb="md">{pred.phase}</Title>
            <Text size="sm" mb="md" c="dimmed">
              Top Prediction: <Text span fw={700} c="violet">{pred.predicted_class}</Text> ({(pred.confidence * 100).toFixed(2)}%)
            </Text>
            
            {/* Display all probabilities for Crystal System */}
            {pred.all_probabilities && (
              <ScrollArea>
                <Table highlightOnHover>
                  <Table.Thead>
                    <Table.Tr>
                      <Table.Th>Rank</Table.Th>
                      <Table.Th>Class</Table.Th>
                      <Table.Th>Logits</Table.Th>
                      <Table.Th>Distribution</Table.Th>
                    </Table.Tr>
                  </Table.Thead>
                  <Table.Tbody>
                    {pred.all_probabilities.map((item, i) => (
                      <Table.Tr key={i} style={{ 
                        backgroundColor: i === 0 ? '#f3f0ff' : 'transparent',
                        fontWeight: i === 0 ? 600 : 400
                      }}>
                        <Table.Td>{i + 1}</Table.Td>
                        <Table.Td style={{ fontFamily: 'monospace' }}>{item.class_name}</Table.Td>
                        <Table.Td style={{ fontFamily: 'monospace' }}>
                          {(item.probability * 100).toFixed(2)}%
                        </Table.Td>
                        <Table.Td style={{ width: '40%' }}>
                          <Progress 
                            value={item.probability * 100} 
                            color={getColorForProbability(item.probability)}
                            size="lg"
                          />
                        </Table.Td>
                      </Table.Tr>
                    ))}
                  </Table.Tbody>
                </Table>
              </ScrollArea>
            )}
            
            {/* Display top 10 probabilities for Space Group */}
            {pred.top_probabilities && (
              <ScrollArea>
                <Table highlightOnHover>
                  <Table.Thead>
                    <Table.Tr>
                      <Table.Th>Rank</Table.Th>
                      <Table.Th>Space Group</Table.Th>
                      <Table.Th>Symbol</Table.Th>
                      <Table.Th>Logits</Table.Th>
                      <Table.Th>Distribution</Table.Th>
                    </Table.Tr>
                  </Table.Thead>
                  <Table.Tbody>
                    {pred.top_probabilities.map((item, i) => (
                      <Table.Tr key={i} style={{ 
                        backgroundColor: i === 0 ? '#f3f0ff' : 'transparent',
                        fontWeight: i === 0 ? 600 : 400
                      }}>
                        <Table.Td>{i + 1}</Table.Td>
                        <Table.Td style={{ fontFamily: 'monospace' }}>#{item.space_group_number}</Table.Td>
                        <Table.Td style={{ fontFamily: 'monospace' }}>{item.space_group_symbol}</Table.Td>
                        <Table.Td style={{ fontFamily: 'monospace' }}>
                          {(item.probability * 100).toFixed(2)}%
                        </Table.Td>
                        <Table.Td style={{ width: '35%' }}>
                          <Progress 
                            value={item.probability * 100} 
                            color={getColorForProbability(item.probability)}
                            size="lg"
                          />
                        </Table.Td>
                      </Table.Tr>
                    ))}
                  </Table.Tbody>
                </Table>
              </ScrollArea>
            )}
          </Box>
        ))}
        
        <Box mt="md" p="md" style={{ backgroundColor: '#f8f9fa', borderRadius: '8px' }}>
          <Text size="xs" c="dimmed">
            <strong>Note:</strong> The model outputs raw logit scores for each possible class. 
            These scores are normalized using softmax to show relative confidence. For Crystal System, all 7 
            classes are shown. For Space Group, the top 10 out of 230 possible groups are displayed.
          </Text>
        </Box>
      </Stack>
    </Drawer>
  )
}

export default LogitDrawer