exarch-cli 0.2.9

Command-line utility for secure archive extraction and creation
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//! Output formatter trait for CLI results.

use anyhow::Result;
use exarch_core::ArchiveManifest;
use exarch_core::CreationReport;
use exarch_core::ExtractionReport;
use exarch_core::VerificationReport;
use serde::Serialize;
use std::path::Path;

/// Common output formatter trait
pub trait OutputFormatter {
    /// Format extraction result
    fn format_extraction_result(&self, report: &ExtractionReport) -> Result<()>;

    /// Format archive creation result
    fn format_creation_result(&self, output_path: &Path, report: &CreationReport) -> Result<()>;

    /// Format archive manifest (short format - paths only)
    fn format_manifest_short(&self, manifest: &ArchiveManifest) -> Result<()>;

    /// Format archive manifest (long format - detailed)
    fn format_manifest_long(&self, manifest: &ArchiveManifest, human_readable: bool) -> Result<()>;

    /// Format verification report
    fn format_verification_report(&self, report: &VerificationReport) -> Result<()>;

    /// Format error message for the given operation
    fn format_error(&self, operation: &str, error: &anyhow::Error);

    /// Format success message
    #[allow(dead_code)]
    fn format_success(&self, message: &str);

    /// Format warning message
    #[allow(dead_code)]
    fn format_warning(&self, message: &str);
}

/// Generic JSON output structure
#[derive(Debug, Serialize)]
pub struct JsonOutput<T> {
    pub operation: String,
    pub status: Status,
    #[serde(skip_serializing_if = "Option::is_none")]
    pub data: Option<T>,
    #[serde(skip_serializing_if = "Option::is_none")]
    pub error: Option<JsonError>,
}

/// Partial extraction report included in error JSON when extraction was stopped
/// mid-archive.
#[derive(Debug, Serialize)]
pub struct JsonPartialReport {
    pub files_extracted: usize,
    pub directories_created: usize,
    pub symlinks_created: usize,
    pub bytes_written: u64,
}

/// Structured error object in JSON output
#[derive(Debug, Serialize)]
pub struct JsonError {
    pub kind: String,
    pub message: String,
    #[serde(skip_serializing_if = "Option::is_none")]
    pub partial_report: Option<JsonPartialReport>,
}

#[derive(Debug, Serialize)]
#[serde(rename_all = "lowercase")]
pub enum Status {
    Success,
    #[allow(dead_code)]
    Error,
}

impl<T: Serialize> JsonOutput<T> {
    pub fn success(operation: impl Into<String>, data: T) -> Self {
        Self {
            operation: operation.into(),
            status: Status::Success,
            data: Some(data),
            error: None,
        }
    }

    pub fn error(
        operation: impl Into<String>,
        kind: impl Into<String>,
        message: impl Into<String>,
    ) -> JsonOutput<()> {
        JsonOutput {
            operation: operation.into(),
            status: Status::Error,
            data: None,
            error: Some(JsonError {
                kind: kind.into(),
                message: message.into(),
                partial_report: None,
            }),
        }
    }

    pub fn error_with_partial(
        operation: impl Into<String>,
        kind: impl Into<String>,
        message: impl Into<String>,
        partial_report: JsonPartialReport,
    ) -> JsonOutput<()> {
        JsonOutput {
            operation: operation.into(),
            status: Status::Error,
            data: None,
            error: Some(JsonError {
                kind: kind.into(),
                message: message.into(),
                partial_report: Some(partial_report),
            }),
        }
    }
}