import os
import pandas as pd
import xarray as xr
import matplotlib.pyplot as plt

print(' ----- Read CSV file ------')
fin = pd.read_csv('greenfarm_temp.csv')
print(fin)
print(' ----------------------------')

print(' ----- Define date and temp ------')
date = fin['date_time']
temp = xr.DataArray(fin['airt_avg'])
print(' == date ==')
print(date)
print(' == temp ==')
print(temp)
print(' ----------------------------')

fig, ax = plt.subplots()

ax.plot(date, temp)

# --- Modify X-label, Y-label, & Title ---
ax.set_xlabel('X label')
ax.set_ylabel('Y label')
ax.set_title('Title')
# ----------------------------------------

# Automatically create output filename
script_name = os.path.splitext(os.path.basename(__file__))[0]
outfile = script_name + ".png"

plt.savefig(outfile)
print("Figure saved as:", outfile)

plt.show()