#!/usr/bin/env python3
# -*- coding: utf-8 -*-
# This file is under GNU Affero General Public License 3.0
# see LICENSE.txt
import pytest


import pEpACIDgen

types_with_alias = []
types_no_alias = []
types_no_alias.append({"var": ["_P"],
                       "type_names": [
                       ]})

types_no_alias.append({"var": ["_E"],
                       "type_names": [
                           "enum _E"
                       ]})

types_with_alias.append({"var": ["E"],
                         "type_names": [
                             "enum E"
                         ]})

types_no_alias.append({"var": ["_PS"],
                       "type_names": [
                           "struct _PS"
                       ]})

types_with_alias.append({"var": ["PS"],
                         "type_names": [
                             "struct PS"
                         ]})

types_no_alias.append({"var": ["_CS"],
                       "type_names": [
                           "struct _CS",
                           "struct PS",
                           "struct _PS"
                       ]})

types_with_alias.append({"var": ["CS"],
                         "type_names": [
                             "struct CS",
                             "struct _PS",
                             "struct PS"
                         ]})

types_no_alias.append({"var": ["_CCS"],
                       "type_names": [
                           "struct _CCS",
                           "struct CS",
                           "struct _PS",
                           "struct PS"
                       ]})

types_with_alias.append({"var": ["CCS"],
                         "type_names": [
                             "struct CCS",
                             "struct CS",
                             "struct _PS",
                             "struct PS"
                         ]})

types_no_alias.append({"var": ["_HS"],
                       "type_names": [
                           "struct _HS",
                           "struct _NCS",
                           "struct CS",
                           "struct _PS",
                           "struct PS"
                       ]})

types_with_alias.append({"var": ["HS"],
                         "type_names": [
                             "struct HS",
                             "struct _NPS"
                         ]})

types_no_alias.append({"var": ["_NCS"],
                       "type_names": [
                           "struct _NCS",
                           "struct CS",
                           "struct _PS",
                           "struct PS"
                       ]})

types_no_alias.append({"var": ["_NPS"],
                       "type_names": [
                           "struct _NPS"
                       ]})

types_no_alias.append({"var": ["_HHS"],
                       "type_names": [
                           "struct _HHS",
                           "struct _NHS",
                           "struct _NNPS"
                       ]})

types_with_alias.append({"var": ["HHS"],
                         "type_names": [
                             "struct HHS",
                             "struct _NHS1",
                             "struct _NNCS",
                             "struct _CS",
                             "struct PS",
                             "struct _PS",
                             "enum _NENHS"
                         ]})

types_no_alias.append({"var": ["_NHS"],
                       "type_names": [
                           "struct _NHS",
                           "struct _NNPS"
                       ]})

types_no_alias.append({"var": ["_NNPS"],
                       "type_names": [
                           "struct _NNPS"
                       ]})

types_no_alias.append({"var": ["_NHS1"],
                       "type_names": [
                           "struct _NHS1",
                           "struct _NNCS",
                           "struct _CS",
                           "struct PS",
                           "struct _PS",
                           "enum _NENHS"
                       ]})

types_no_alias.append({"var": ["_NNCS"],
                       "type_names": [
                           "struct _NNCS",
                           "struct _CS",
                           "struct PS",
                           "struct _PS"
                       ]})

types_no_alias.append({"var": ["_NENHS"],
                       "type_names": [
                           "enum _NENHS"
                       ]})

types_no_alias.append({"var": ["_HS1"],
                       "type_names": [
                           "struct _HS1",
                           "enum _NEHS"
                       ]})

types_no_alias.append({"var": ["_NEHS"],
                       "type_names": [
                           "enum _NEHS"
                       ]})


def resolve_vars_and_funcs_to_acid(vars, funcs):
    header_filename = "examples/lib/lib_test/lib_test.h"
    libclang_path = "/opt/local/libexec/llvm-9.0/lib/libclang.dylib"
    acidgen = pEpACIDgen.pEpACIDGen(libclang_path, header_filename, "test_pEpACIDgen")
    header = acidgen.extract(vars,funcs)

    return header["acid"]


def check_expected_types_resolved(vars, funcs, type_names_expected):
    print("RESOLVING: ", vars, funcs)
    cid = resolve_vars_and_funcs_to_acid(vars, funcs)

    # Check on unresolved vars
    assert len(cid["vars_notfound"]) == 0, "vars not found"

    # Check on unresolved functions
    assert len(cid["functions_notfound"]) == 0, "vars not found"

    # Check on unresolved typerefs
    assert len(cid["typerefs_notfound"]) == 0, "vars not found"

    type_names = cid["type_names"]
    # test for no dup types
    for tn in type_names:
        assert type_names.count(tn) == 1, "duplicate type"

    type_names.sort()
    type_names_expected.sort()

    # test expected types match in no specific order
    # print("GOT:        ", type_names)
    # print("EXPECTED:   ", type_names_expected)
    assert type_names == type_names_expected


@pytest.mark.skip
@pytest.mark.parametrize('vars', [["var_TP"]])
@pytest.mark.parametrize('funcs', [""])
def test_manual(vars, funcs):
    resolve_vars_and_funcs_to_acid(vars, funcs)


# @pytest.mark.skip
@pytest.mark.parametrize('variation', ["var_", "var_A", "var_T", "var_TA", "var_TT", "var_TTA"])
@pytest.mark.parametrize('data', types_with_alias)
def test_single_var_with_alias(data, variation):
    var_list = []
    for var in data["var"]:
        var_name = variation + var
        var_list.append(var_name)

    check_expected_types_resolved(var_list, [], data["type_names"])


@pytest.mark.parametrize('variation', ["var_", "var_T", "var_TT"])
@pytest.mark.parametrize('data', types_no_alias)
def test_single_var_no_alias(data, variation):
    var_list = []
    for var in data["var"]:
        var_name = variation + var
        var_list.append(var_name)

    check_expected_types_resolved(var_list, [], data["type_names"])