import configparser
import pathlib

import numpy as np
import pandas as pd
import matplotlib.pyplot as plt

from .read_swash import *


config = configparser.ConfigParser()
config.read("config.ini")

cache = pathlib.Path(config.get("out", "root"))
root = pathlib.Path(config.get("swash", "out"))

bathy = pd.read_hdf(cache.joinpath("bathy.h5"), "bathy")
n = bathy.index.size

# xp = read_nohead_scalar(root.joinpath("xp.dat"), n)
botl = read_nohead_scalar(root.joinpath("botl.dat"), n)
dep = np.maximum(0, read_nohead_scalar(root.joinpath("dep.dat"), n))
vel = read_nohead_vect(root.joinpath("vel.dat"), n)
# watl = read_nohead_scalar(root.joinpath("watl.dat"), n)

fig, (ax_dep, ax_vel) = plt.subplots(2)

ax_dep.plot((dep - botl)[:, n//2], label="dep", color="#0066ff")
ax_dep.set(xlabel="t (s)", ylabel="z (m)")

ax_vel.plot(vel[:, 0, n//2], label="vel")
ax_vel.set(xlabel="t (s)", ylabel="U (m/s)")

fig.tight_layout()
#fig.legend()
plt.show(block=True)