import numpy as np
import time

# -------------------------------
# HDGL Lattice Parameters
# -------------------------------
num_strands = 8
slots_per_strand = 4
total_slots = num_strands * slots_per_strand

phi = 1.6180339887
sqrt_phi = np.sqrt(phi)

# Ω scaling
n_base = np.arange(1, num_strands+1)
omega = 1 / (phi**n_base)**7

# Initialize lattice analogs D1-D32
lattice = np.random.uniform(0.5, 1.0, (num_strands, slots_per_strand))
phases = np.random.uniform(0, 2*np.pi, (num_strands, slots_per_strand))

# -------------------------------
# RF Output Parameters
# -------------------------------
fs = 1_000_000       # 1 MHz sample rate (adjust per hardware)
block_size = 4096
t = np.arange(block_size) / fs

# Assign each slot a unique carrier frequency
slot_freqs = np.linspace(100e3, 400e3, total_slots)  # 32 carriers

# -------------------------------
# Generate lattice-modulated RF block
# -------------------------------
def generate_rf_block():
    global lattice, phases
    lattice_new = np.copy(lattice)

    # Update lattice analogs with cross-strand resonance
    for s in range(num_strands):
        for i in range(slots_per_strand):
            lattice_new[s,i] += 0.02 * omega[s] * (1 + 0.05*i)
            resonance = np.sum([omega[j]*lattice[j,i] for j in range(num_strands) if j != s])
            lattice_new[s,i] += 0.01 * resonance
            # Thresholding for superposition excitation
            lattice_new[s,i] = lattice_new[s,i] if lattice_new[s,i] > sqrt_phi else lattice_new[s,i]*0.8
            # Phase drift
            phases[s,i] += 0.05 * lattice[s,i]

    lattice[:] = lattice_new

    # Multi-slot RF generation
    rf_block = np.zeros(block_size, dtype=np.complex64)
    for idx in range(total_slots):
        strand = idx // slots_per_strand
        slot = idx % slots_per_strand
        carrier = np.exp(1j*(2*np.pi*slot_freqs[idx]*t + phases[strand,slot]))
        amp = lattice[strand,slot] / np.max(lattice)
        rf_block += amp * carrier

    # Normalize
    rf_block /= np.max(np.abs(rf_block))
    return rf_block

# -------------------------------
# SDR / DAC Streaming Loop
# -------------------------------
try:
    print("HDGL multi-slot RF lattice streaming. Press Ctrl+C to stop.")
    while True:
        block = generate_rf_block()
        # sdr.write_samples(block)  # Replace with actual SDR/DAC streaming
        time.sleep(block_size/fs)
except KeyboardInterrupt:
    print("Streaming stopped.")
