import SwiftUI

// MARK: - CodeFileView

/// Source code with line numbers and syntax highlighting.
///
/// Uses ``NativeCodeBodyView`` (UIKit `UITextView` + gutter) for all
/// presentation modes. Inline wraps with SwiftUI chrome (header,
/// truncation notice, code block border).
struct CodeFileView: View {
    let content: String
    let language: SyntaxLanguage
    let startLine: Int
    let presentation: FileContentPresentation
    let filePath: String?

    @Environment(\.reviewCommentSelectionScope) private var reviewCommentSelectionScope

    private var reviewCommentSelectionContext: ReviewCommentSelectionContext? {
        reviewCommentSelectionScope?.makeContext(
            sourceLabel: language.displayName,
            filePath: filePath,
            languageHint: language.displayName
        )
    }

    var body: some View {
        if presentation.usesInlineChrome {
            InlineFileContentChrome(
                label: language.displayName,
                content: content,
                fullScreenContent: .code(
                    content: content, language: language.displayName,
                    filePath: filePath, startLine: startLine
                ),
                maxDisplayLines: FileContentView.maxDisplayLines,
                presentation: presentation,
                showCopy: false,
                showBorder: false
            ) { displayContent, _ in
                NativeCodeBodyView(
                    content: displayContent,
                    language: language.displayName,
                    startLine: startLine,
                    maxHeight: presentation.viewportMaxHeight
                )
            }
        } else {
            NativeCodeBodyView(
                content: content,
                language: language.displayName,
                startLine: startLine,
                reviewCommentSourceContext: reviewCommentSelectionContext?
                    .sourceContext(
                        surface: .fullScreenCode,
                        filePath: filePath,
                        languageHint: language.displayName
                    )
            )
        }
    }
}