// [TSM.ID].[11031972] -- All Rights Reserved. Proprietary & Confidential.
use tracing::{info, warn};

/// THE GENESIS MATRIX (Phase 31)
/// Arsip Abadi Berbasis Karbon: Penyimpanan Video Rapat dalam DNA Sintetis.

/// 1. The Nucleotide Transcriber (Biner ke DNA)
/// Mengonversi frame video terenkripsi menjadi string genetik (A, C, G, T).
/// Menggunakan pemetaan 2-bit per nukleotida untuk kepadatan data ekstrem.
pub fn encode_video_to_dna(media_payload: &[u8]) -> String {
    warn!("GENESIS MATRIX: INITIATING BIOLOGICAL TRANSCRIPTION.");
    info!("Translating {} bytes of WebRTC Media into Nucleotide Sequence.", media_payload.len());
    
    let mut dna_sequence = String::with_capacity(media_payload.len() * 4);
    
    for &byte in media_payload {
        // Ekstraksi setiap 2-bit (00=A, 01=C, 10=G, 11=T)
        for i in (0..4).rev() {
            let two_bits = (byte >> (i * 2)) & 0b11;
            let nucleotide = match two_bits {
                0b00 => 'A',
                0b01 => 'C',
                0b10 => 'G',
                0b11 => 'T',
                _ => unreachable!(),
            };
            dna_sequence.push(nucleotide);
        }
    }
    
    info!("Transcription Complete. Ready to be exported to Twist Bioscience DNA Synthesizer.");
    // Output ini siap diubah menjadi cairan DNA fisik yang kebal terhadap bom nuklir / EMP
    // dan tahan hingga ratusan ribu tahun.
    dna_sequence
}

/// 2. The Nanopore Decoder Bridge (DNA ke Biner)
/// Menerima file FASTQ hasil bacaan alat pengurut genetik (misal Oxford Nanopore).
/// Mengembalikan string molekul kembali menjadi paket video yang bisa ditonton.
pub fn decode_fastq_to_video(dna_sequence: &str) -> Vec<u8> {
    info!("GENESIS MATRIX: INITIATING NANOPORE DECODING.");
    info!("Reconstructing WebRTC binary from Biological Carbon sequence.");
    
    let mut media_payload = Vec::with_capacity(dna_sequence.len() / 4);
    let chars: Vec<char> = dna_sequence.chars().collect();
    
    for chunk in chars.chunks(4) {
        if chunk.len() < 4 { break; } // Padding drop
        
        let mut byte = 0u8;
        for (i, &nucleotide) in chunk.iter().enumerate() {
            let two_bits = match nucleotide {
                'A' => 0b00,
                'C' => 0b01,
                'G' => 0b10,
                'T' => 0b11,
                _ => 0b00, // Error Correction fallback logic is simplified here
            };
            byte |= two_bits << ((3 - i) * 2);
        }
        media_payload.push(byte);
    }
    
    info!("Decoding Complete. Biological memory restored to Digital Matrix.");
    media_payload
}
