#!/usr/bin/env python3
"""Quick test to verify the plot displays time labels correctly."""

import numpy as np
from datetime import datetime, timedelta
from app import plot_concentration_curve, simulate_protocol

# Test with a simple 2-dose protocol starting at 07:00
time, concentration, doses, dose_times, norm_pct = simulate_protocol(
    total_dose=70,
    num_doses=2,
    intervals=[6],
    percentages=[50, 50],
    start_time_str="07:00"
)

# Create the plot
fig = plot_concentration_curve(time, concentration, start_time_str="07:00")

# Save to file for inspection
fig.savefig('/tmp/test_plot.png', dpi=100, bbox_inches='tight')
print("Plot created successfully!")
print(f"Saved to /tmp/test_plot.png")
print(f"Time labels should show: 07:00, 10:00 (+3), 13:00 (+6), etc.")