# -*- coding: utf-8 -*-

# MIT license
#
# Copyright (C) 2018 by XESS Corp.
#
# Permission is hereby granted, free of charge, to any person obtaining a copy
# of this software and associated documentation files (the "Software"), to deal
# in the Software without restriction, including without limitation the rights
# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
# copies of the Software, and to permit persons to whom the Software is
# furnished to do so, subject to the following conditions:
#
# The above copyright notice and this permission notice shall be included in
# all copies or substantial portions of the Software.
#
# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
# THE SOFTWARE.

"""
This package contains the handler functions for various EDA tools.
"""

import os
import os.path

from .. import Circuit, Net, Part, SchLib

lib_suffixes = {}

# The ECAD tool directories will be found in this directory.
directory = os.path.dirname(__file__)

# Search for the EDA tool modules and import them.
for module in os.listdir(directory):

    # Avoid directories like __pycache__.
    if module.startswith("__"):
        continue

    module_name, module_ext = os.path.splitext(os.path.basename(module))

    # Don't import anything but Python files.
    if module_ext not in (".py",):
        continue

    # Import the module.
    mod = __import__(module_name, globals(), locals(), [], level=1)

    # Get some info from the imported module.
    tool_name = getattr(mod, "tool_name")
    lib_suffix = getattr(mod, "lib_suffix")

    # Store library file suffix for this tool.
    lib_suffixes[tool_name] = lib_suffix

    # Make the methods for this tool available where they are needed.
    for class_, method in (
        (SchLib.SchLib, "_load_sch_lib_"),
        (Part.Part, "_parse_lib_part_"),
        (Circuit.Circuit, "_gen_netlist_"),
        (Part.Part, "_gen_netlist_comp_"),
        (Net.Net, "_gen_netlist_net_"),
        (Circuit.Circuit, "_gen_xml_"),
        (Part.Part, "_gen_xml_comp_"),
        (Net.Net, "_gen_xml_net_"),
    ):
        try:
            setattr(class_, method + tool_name, getattr(mod, method))
        except AttributeError:
            pass  # No method implemented for this ECAD tool.
