""" Create some random data for demo purposes.

"""

import math

from .tsdb import LogLevel, LogRecord

def create_demo_samples(num_points, offset=0):

""" Create sin wave with superposed cosine wave """

# Parameters:

F = 1

A = 25.0

omega = math.pi * 2 * F

F2 = 50

A2 = 3.14

omega2 = math.pi * 2 * F2

samples = []

for t in range(num_points):

x = t * 0.001

y = offset + A * math.sin(omega * x) + A2 * math.cos(omega2 * x)

samples.append((x, y))

return samples

def create_demo_log_messages(num_records):

samples = []

for i in range(num_records):

t = i * 3

record = LogRecord(LogLevel.WARNING, f"Warning {i}")

samples.append((t, record))

return samples