# Copyright (c) [2024] []
#
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from typing import Final

import numpy as np

# Pauli matrices
TAU_X: Final[np.array] = np.array([[0, 1], [1, 0]])
TAU_Y: Final[np.array] = np.array([[0, -1j], [1j, 0]])
TAU_Z: Final[np.array] = np.array([[1, 0], [0, -1]])
TAU_0: Final[np.array] = np.array([[1, 0], [0, 1]])


# list of accepted input parameters
ACCEPTED_INPUTS: Final[list] = [
    "infile",
    "outfile",
    "scf_xcf_orientation",
    "ref_xcf_orientations",
    "kset",
    "kdirs",
    "ebot",
    "eset",
    "esetp",
    "parallel_solver_for_Gk",
    "padawan_mode",
]

DEFAULT_ARGUMENTS: Final[dict] = dict(
    infile=None,
    outfile=None,
    scf_xcf_orientation=np.array([0, 0, 1]),
    ref_xcf_orientations=[
        dict(o=np.array([1, 0, 0]), vw=[np.array([0, 1, 0]), np.array([0, 0, 1])]),
        dict(o=np.array([0, 1, 0]), vw=[np.array([1, 0, 0]), np.array([0, 0, 1])]),
        dict(o=np.array([0, 0, 1]), vw=[np.array([1, 0, 0]), np.array([0, 1, 0])]),
    ],
    kset=2,
    kdirs="xyz",
    ebot=None,
    eset=42,
    esetp=1000,
    parallel_solver_for_Gk=False,
    padawan_mode=True,
)