import type { ToolResultBlockParam } from '@anthropic-ai/sdk/resources/messages/messages.mjs'
import * as React from 'react'
import { stripUnderlineAnsi } from 'src/components/shell/OutputLine.js'
import { extractTag } from 'src/utils/messages.js'
import { removeSandboxViolationTags } from 'src/utils/sandbox/sandbox-ui-utils.js'
import { Box, Text } from '@anthropic/ink'
import { useShortcutDisplay } from '../keybindings/useShortcutDisplay.js'
import { countCharInString } from '../utils/stringUtils.js'
import { MessageResponse } from './MessageResponse.js'

const MAX_RENDERED_LINES = 10

type Props = {
  result: ToolResultBlockParam['content']
  verbose: boolean
}

export function FallbackToolUseErrorMessage({
  result,
  verbose,
}: Props): React.ReactNode {
  const transcriptShortcut = useShortcutDisplay(
    'app:toggleTranscript',
    'Global',
    'ctrl+o',
  )
  let error: string

  if (typeof result !== 'string') {
    error = 'Tool execution failed'
  } else {
    const extractedError = extractTag(result, 'tool_use_error') ?? result
    // Remove sandbox_violations tags from error display (Claude still sees them in the tool result)
    const withoutSandboxViolations = removeSandboxViolationTags(extractedError)
    // Strip <error> tags but keep their content (tags are for the model, not the UI)
    const withoutErrorTags = withoutSandboxViolations.replace(/<\/?error>/g, '')
    const trimmed = withoutErrorTags.trim()
    if (!verbose && trimmed.includes('InputValidationError: ')) {
      error = 'Invalid tool parameters'
    } else if (
      trimmed.startsWith('Error: ') ||
      trimmed.startsWith('Cancelled: ')
    ) {
      error = trimmed
    } else {
      error = `Error: ${trimmed}`
    }
  }

  const plusLines = countCharInString(error, '\n') + 1 - MAX_RENDERED_LINES

  return (
    <MessageResponse>
      <Box flexDirection="column">
        <Text color="error">
          {stripUnderlineAnsi(
            verbose
              ? error
              : error.split('\n').slice(0, MAX_RENDERED_LINES).join('\n'),
          )}
        </Text>
        {!verbose && plusLines > 0 && (
          // The careful <Text> layout is a workaround for the dim-bold
          // rendering bug
          <Box>
            <Text dimColor>
              … +{plusLines} {plusLines === 1 ? 'line' : 'lines'} (
            </Text>
            <Text dimColor bold>
              {transcriptShortcut}
            </Text>
            <Text> </Text>
            <Text dimColor>to see all)</Text>
          </Box>
        )}
      </Box>
    </MessageResponse>
  )
}