/// Pretty-print formatting for parsed XEX2 structures.
use crate::header::Xex2Header;
use crate::optional::{
    format_hex_bytes, format_rating, format_timestamp, HeaderKey, OptionalHeaders,
};

/// Prints the XEX2 main header in a human-readable format.
pub fn display_header(header: &Xex2Header) {
    println!("=== XEX2 Header ===");
    println!("Magic:            XEX2 (0x{:08X})", header.magic);
    println!("Module Flags:     {}", header.module_flags);
    println!(
        "Header Size:      0x{:08X} ({} bytes)",
        header.header_size, header.header_size
    );
    println!("Reserved:         0x{:08X}", header.reserved);
    println!("Security Offset:  0x{:08X}", header.security_offset);
    println!("Header Count:     {}", header.header_count);
}

/// Prints all parsed optional headers in a human-readable format.
pub fn display_optional_headers(headers: &OptionalHeaders) {
    println!();
    println!("=== Optional Headers ({} entries) ===", headers.entries.len());

    // Display inline u32 values first
    if let Some(v) = headers.entry_point {
        println!();
        println!("[ENTRY_POINT] 0x{v:08X}");
    }
    if let Some(v) = headers.original_base_address {
        println!("[ORIGINAL_BASE_ADDRESS] 0x{v:08X}");
    }
    if let Some(v) = headers.image_base_address {
        println!("[IMAGE_BASE_ADDRESS] 0x{v:08X}");
    }
    if let Some(v) = headers.default_stack_size {
        println!("[DEFAULT_STACK_SIZE] 0x{v:08X} ({v} bytes)");
    }
    if let Some(v) = headers.default_filesystem_cache_size {
        println!("[DEFAULT_FILESYSTEM_CACHE_SIZE] 0x{v:08X} ({v} bytes)");
    }
    if let Some(v) = headers.default_heap_size {
        println!("[DEFAULT_HEAP_SIZE] 0x{v:08X} ({v} bytes)");
    }
    if let Some(v) = headers.title_workspace_size {
        println!("[TITLE_WORKSPACE_SIZE] 0x{v:08X} ({v} bytes)");
    }
    if let Some(v) = headers.additional_title_memory {
        println!("[ADDITIONAL_TITLE_MEMORY] 0x{v:08X} ({v} bytes)");
    }
    if let Some(v) = headers.enabled_for_fastcap {
        println!("[ENABLED_FOR_FASTCAP] 0x{v:08X}");
    }

    // System flags
    if let Some(ref flags) = headers.system_flags {
        println!("[SYSTEM_FLAGS] {flags}");
    }

    // Execution info
    if let Some(ref exec) = headers.execution_info {
        println!();
        println!("[EXECUTION_INFO]");
        println!("  Media ID:        0x{:08X}", exec.media_id);
        println!("  Title ID:        0x{:08X}", exec.title_id);
        println!("  Version:         {}", exec.version);
        println!("  Base Version:    {}", exec.base_version);
        println!("  Platform:        {}", exec.platform);
        println!("  Executable Type: {}", exec.executable_type);
        println!("  Disc:            {}/{}", exec.disc_number, exec.disc_count);
        println!("  Savegame ID:     0x{:08X}", exec.savegame_id);
    }

    // File format info
    if let Some(ref fmt) = headers.file_format_info {
        println!();
        println!("[FILE_FORMAT_INFO]");
        println!("  Encryption:  {}", fmt.encryption_type);
        println!("  Compression: {}", fmt.compression_type);
    }

    // Checksum + timestamp
    if let Some(ref ct) = headers.checksum_timestamp {
        println!();
        println!("[CHECKSUM_TIMESTAMP]");
        println!("  Checksum:  0x{:08X}", ct.checksum);
        println!(
            "  Timestamp: 0x{:08X} ({})",
            ct.timestamp,
            format_timestamp(ct.timestamp)
        );
    }

    // Original PE name
    if let Some(ref name) = headers.original_pe_name {
        println!();
        println!("[ORIGINAL_PE_NAME] \"{name}\"");
    }

    // Bounding path
    if let Some(ref path) = headers.bounding_path {
        println!("[BOUNDING_PATH] \"{path}\"");
    }

    // TLS info
    if let Some(ref tls) = headers.tls_info {
        println!();
        println!("[TLS_INFO]");
        println!("  Slot Count:       {}", tls.slot_count);
        println!("  Raw Data Address: 0x{:08X}", tls.raw_data_address);
        println!("  Data Size:        {} bytes", tls.data_size);
        println!("  Raw Data Size:    {} bytes", tls.raw_data_size);
    }

    // Static libraries
    if let Some(ref libs) = headers.static_libraries {
        println!();
        println!("[STATIC_LIBRARIES] ({} libraries)", libs.len());
        for lib in libs {
            println!("  {lib}");
        }
    }

    // Import libraries
    if let Some(ref imports) = headers.import_libraries {
        println!();
        println!("[IMPORT_LIBRARIES] ({} libraries)", imports.libraries.len());
        for lib in &imports.libraries {
            println!(
                "  {} v{} (min v{}) - {} imports",
                lib.name, lib.version, lib.version_min, lib.record_count
            );
        }
    }

    // Resource info
    if let Some(ref resources) = headers.resource_info {
        println!();
        println!("[RESOURCE_INFO] ({} entries)", resources.len());
        for res in resources {
            println!(
                "  \"{}\" @ 0x{:08X}, size: {} bytes",
                res.name, res.address, res.size
            );
        }
    }

    // Game ratings
    if let Some(ref ratings) = headers.game_ratings {
        println!();
        println!("[GAME_RATINGS]");
        println!("  ESRB:    {} | PEGI:    {} | PEGI-FI: {} | PEGI-PT: {}",
            format_rating(ratings.esrb), format_rating(ratings.pegi),
            format_rating(ratings.pegi_fi), format_rating(ratings.pegi_pt));
        println!("  BBFC:    {} | CERO:    {} | USK:     {} | OFLC-AU: {}",
            format_rating(ratings.bbfc), format_rating(ratings.cero),
            format_rating(ratings.usk), format_rating(ratings.oflc_au));
        println!("  OFLC-NZ: {} | KMRB:    {} | Brazil:  {} | FPB:     {}",
            format_rating(ratings.oflc_nz), format_rating(ratings.kmrb),
            format_rating(ratings.brazil), format_rating(ratings.fpb));
    }

    // LAN key
    if let Some(ref key) = headers.lan_key {
        println!();
        println!("[LAN_KEY] {}", format_hex_bytes(key));
    }

    // Callcap imports
    if let Some(ref callcap) = headers.enabled_for_callcap {
        println!();
        println!("[ENABLED_FOR_CALLCAP]");
        println!("  Start Thunk: 0x{:08X}", callcap.start_func_thunk_addr);
        println!("  End Thunk:   0x{:08X}", callcap.end_func_thunk_addr);
    }

    // Exports by name
    if let Some(ref dir) = headers.exports_by_name {
        println!();
        println!("[EXPORTS_BY_NAME]");
        println!("  Offset: 0x{:08X}", dir.offset);
        println!("  Size:   {} bytes", dir.size);
    }

    // Xbox 360 logo
    if let Some(size) = headers.xbox360_logo_size {
        println!();
        println!("[XBOX360_LOGO] {size} bytes");
    }

    // Unknown headers
    for entry in &headers.entries {
        if let HeaderKey::Unknown(raw) = entry.key {
            println!();
            println!(
                "[UNKNOWN(0x{raw:08X})] value/offset: 0x{:08X}",
                entry.value
            );
        }
    }
}