import entropyk

# === Types physiques ===
p = entropyk.Pressure(bar=10.0)
print(p)             # Pressure(1000000.0 Pa)
print(p.to_bar())    # 10.0
print(float(p))      # 1000000.0 (en Pascals)

t = entropyk.Temperature(celsius=25.0)
print(t.to_celsius()) # 25.0
print(t.to_kelvin())  # 298.15

h = entropyk.Enthalpy(kj_per_kg=400.0)
m = entropyk.MassFlow(kg_per_s=0.5)

# === Composants ===
cond = entropyk.Condenser(ua=10000.0)        # UA = 10 kW/K
evap = entropyk.Evaporator(ua=8000.0)        # UA = 8 kW/K
comp = entropyk.Compressor(efficiency=0.85)
valve = entropyk.ExpansionValve(fluid="R134a")
pipe = entropyk.Pipe(length=5.0, diameter=0.025)

# === Système ===
system = entropyk.System()
c_idx = system.add_component(comp)
d_idx = system.add_component(cond)
v_idx = system.add_component(valve)
e_idx = system.add_component(evap)

system.add_edge(c_idx, d_idx)  # compresseur → condenseur
system.add_edge(d_idx, v_idx)  # condenseur → détendeur
system.add_edge(v_idx, e_idx)  # détendeur → évaporateur
system.add_edge(e_idx, c_idx)  # évaporateur → compresseur

system.finalize()

# === Solveur ===
config = entropyk.NewtonConfig(max_iterations=100, tolerance=1e-6)
# result = config.solve(system)  # résoudre le système

# === Exceptions ===
try:
    entropyk.Pressure(bar=-1.0)  # ValueError
except ValueError as e:
    print(f"Erreur: {e}")