//! # xex2tractor
//!
//! A library for parsing Xbox 360 XEX2 executable files.
//!
//! XEX2 is the executable format used by the Xbox 360 console. This crate
//! provides types and functions to parse the binary format and extract
//! structured information from XEX2 files.

pub mod crypto;
pub mod decompress;
pub mod display;
pub mod error;
pub mod extract;
pub mod header;
pub mod optional;
pub mod security;
pub mod util;

use error::Result;
use header::Xex2Header;
use optional::OptionalHeaders;
use security::SecurityInfo;

/// A parsed XEX2 file containing all extracted structures.
#[derive(Debug)]
pub struct Xex2File {
    /// The main XEX2 header (magic, flags, sizes, offsets).
    pub header: Xex2Header,
    /// All parsed optional headers.
    pub optional_headers: OptionalHeaders,
    /// Security info (signatures, keys, page descriptors).
    pub security_info: SecurityInfo,
}

/// Parses an XEX2 file from a byte slice.
///
/// The `data` slice should contain the entire XEX2 file contents.
/// Returns a [`Xex2File`] with all successfully parsed structures.
pub fn parse(data: &[u8]) -> Result<Xex2File> {
    let header = header::parse_header(data)?;
    let optional_headers = optional::parse_optional_headers(data, &header)?;
    let security_info = security::parse_security_info(data, header.security_offset)?;

    Ok(Xex2File {
        header,
        optional_headers,
        security_info,
    })
}