import type { StructuredPatchHunk } from 'diff'
import { relative } from 'path'
import * as React from 'react'
import { useTerminalSize } from 'src/hooks/useTerminalSize.js'
import { getCwd } from 'src/utils/cwd.js'
import { Box, Text } from '@anthropic/ink'
import { HighlightedCode } from './HighlightedCode.js'
import { MessageResponse } from './MessageResponse.js'
import { StructuredDiffList } from './StructuredDiffList.js'

const MAX_LINES_TO_RENDER = 10

type Props = {
  file_path: string
  operation: 'write' | 'update'
  // For updates - show diff
  patch?: StructuredPatchHunk[]
  firstLine: string | null
  fileContent?: string
  // For new file creation - show content preview
  content?: string
  style?: 'condensed'
  verbose: boolean
}

export function FileEditToolUseRejectedMessage({
  file_path,
  operation,
  patch,
  firstLine,
  fileContent,
  content,
  style,
  verbose,
}: Props): React.ReactNode {
  const { columns } = useTerminalSize()
  const text = (
    <Box flexDirection="row">
      <Text color="subtle">User rejected {operation} to </Text>
      <Text bold color="subtle">
        {verbose ? file_path : relative(getCwd(), file_path)}
      </Text>
    </Box>
  )

  // For condensed style, just show the text
  if (style === 'condensed' && !verbose) {
    return <MessageResponse>{text}</MessageResponse>
  }

  // For new file creation, show content preview (dimmed)
  if (operation === 'write' && content !== undefined) {
    const lines = content.split('\n')
    const numLines = lines.length
    const plusLines = numLines - MAX_LINES_TO_RENDER
    const truncatedContent = verbose
      ? content
      : lines.slice(0, MAX_LINES_TO_RENDER).join('\n')

    return (
      <MessageResponse>
        <Box flexDirection="column">
          {text}
          <HighlightedCode
            code={truncatedContent || '(No content)'}
            filePath={file_path}
            width={columns - 12}
            dim
          />
          {!verbose && plusLines > 0 && (
            <Text dimColor>… +{plusLines} lines</Text>
          )}
        </Box>
      </MessageResponse>
    )
  }

  // For updates, show diff
  if (!patch || patch.length === 0) {
    return <MessageResponse>{text}</MessageResponse>
  }

  return (
    <MessageResponse>
      <Box flexDirection="column">
        {text}
        <StructuredDiffList
          hunks={patch}
          dim
          width={columns - 12}
          filePath={file_path}
          firstLine={firstLine}
          fileContent={fileContent}
        />
      </Box>
    </MessageResponse>
  )
}