import pytest
from click import NoSuchOption
from spacy.training import docs_to_json, offsets_to_biluo_tags
from spacy.training.converters import iob_to_docs, conll_ner_to_docs, conllu_to_docs
from spacy.schemas import ProjectConfigSchema, RecommendationSchema, validate
from spacy.util import ENV_VARS
from spacy.cli.init_config import init_config, RECOMMENDATIONS
from spacy.cli._util import validate_project_commands, parse_config_overrides
from spacy.cli._util import load_project_config, substitute_project_variables
from spacy.cli._util import string_to_list
from thinc.api import ConfigValidationError
import srsly
import os

from .util import make_tempdir


def test_cli_converters_conllu_to_docs():
    # from NorNE: https://github.com/ltgoslo/norne/blob/3d23274965f513f23aa48455b28b1878dad23c05/ud/nob/no_bokmaal-ud-dev.conllu
    lines = [
        "1\tDommer\tdommer\tNOUN\t_\tDefinite=Ind|Gender=Masc|Number=Sing\t2\tappos\t_\tO",
        "2\tFinn\tFinn\tPROPN\t_\tGender=Masc\t4\tnsubj\t_\tB-PER",
        "3\tEilertsen\tEilertsen\tPROPN\t_\t_\t2\tname\t_\tI-PER",
        "4\tavstår\tavstå\tVERB\t_\tMood=Ind|Tense=Pres|VerbForm=Fin\t0\troot\t_\tO",
    ]
    input_data = "\n".join(lines)
    converted_docs = conllu_to_docs(input_data, n_sents=1)
    assert len(converted_docs) == 1
    converted = [docs_to_json(converted_docs)]
    assert converted[0]["id"] == 0
    assert len(converted[0]["paragraphs"]) == 1
    assert len(converted[0]["paragraphs"][0]["sentences"]) == 1
    sent = converted[0]["paragraphs"][0]["sentences"][0]
    assert len(sent["tokens"]) == 4
    tokens = sent["tokens"]
    assert [t["orth"] for t in tokens] == ["Dommer", "Finn", "Eilertsen", "avstår"]
    assert [t["tag"] for t in tokens] == ["NOUN", "PROPN", "PROPN", "VERB"]
    assert [t["head"] for t in tokens] == [1, 2, -1, 0]
    assert [t["dep"] for t in tokens] == ["appos", "nsubj", "name", "ROOT"]
    ent_offsets = [
        (e[0], e[1], e[2]) for e in converted[0]["paragraphs"][0]["entities"]
    ]
    biluo_tags = offsets_to_biluo_tags(converted_docs[0], ent_offsets, missing="O")
    assert biluo_tags == ["O", "B-PER", "L-PER", "O"]


@pytest.mark.parametrize(
    "lines",
    [
        (
            "1\tDommer\tdommer\tNOUN\t_\tDefinite=Ind|Gender=Masc|Number=Sing\t2\tappos\t_\tname=O",
            "2\tFinn\tFinn\tPROPN\t_\tGender=Masc\t4\tnsubj\t_\tSpaceAfter=No|name=B-PER",
            "3\tEilertsen\tEilertsen\tPROPN\t_\t_\t2\tname\t_\tname=I-PER",
            "4\tavstår\tavstå\tVERB\t_\tMood=Ind|Tense=Pres|VerbForm=Fin\t0\troot\t_\tSpaceAfter=No|name=O",
            "5\t.\t$.\tPUNCT\t_\t_\t4\tpunct\t_\tname=B-BAD",
        ),
        (
            "1\tDommer\tdommer\tNOUN\t_\tDefinite=Ind|Gender=Masc|Number=Sing\t2\tappos\t_\t_",
            "2\tFinn\tFinn\tPROPN\t_\tGender=Masc\t4\tnsubj\t_\tSpaceAfter=No|NE=B-PER",
            "3\tEilertsen\tEilertsen\tPROPN\t_\t_\t2\tname\t_\tNE=L-PER",
            "4\tavstår\tavstå\tVERB\t_\tMood=Ind|Tense=Pres|VerbForm=Fin\t0\troot\t_\tSpaceAfter=No",
            "5\t.\t$.\tPUNCT\t_\t_\t4\tpunct\t_\tNE=B-BAD",
        ),
    ],
)
def test_cli_converters_conllu_to_docs_name_ner_map(lines):
    input_data = "\n".join(lines)
    converted_docs = conllu_to_docs(
        input_data, n_sents=1, ner_map={"PER": "PERSON", "BAD": ""}
    )
    assert len(converted_docs) == 1
    converted = [docs_to_json(converted_docs)]
    assert converted[0]["id"] == 0
    assert len(converted[0]["paragraphs"]) == 1
    assert converted[0]["paragraphs"][0]["raw"] == "Dommer FinnEilertsen avstår. "
    assert len(converted[0]["paragraphs"][0]["sentences"]) == 1
    sent = converted[0]["paragraphs"][0]["sentences"][0]
    assert len(sent["tokens"]) == 5
    tokens = sent["tokens"]
    assert [t["orth"] for t in tokens] == ["Dommer", "Finn", "Eilertsen", "avstår", "."]
    assert [t["tag"] for t in tokens] == ["NOUN", "PROPN", "PROPN", "VERB", "PUNCT"]
    assert [t["head"] for t in tokens] == [1, 2, -1, 0, -1]
    assert [t["dep"] for t in tokens] == ["appos", "nsubj", "name", "ROOT", "punct"]
    ent_offsets = [
        (e[0], e[1], e[2]) for e in converted[0]["paragraphs"][0]["entities"]
    ]
    biluo_tags = offsets_to_biluo_tags(converted_docs[0], ent_offsets, missing="O")
    assert biluo_tags == ["O", "B-PERSON", "L-PERSON", "O", "O"]


def test_cli_converters_conllu_to_docs_subtokens():
    # https://raw.githubusercontent.com/ohenrik/nb_news_ud_sm/master/original_data/no-ud-dev-ner.conllu
    lines = [
        "1\tDommer\tdommer\tNOUN\t_\tDefinite=Ind|Gender=Masc|Number=Sing\t2\tappos\t_\tname=O",
        "2-3\tFE\t_\t_\t_\t_\t_\t_\t_\t_",
        "2\tFinn\tFinn\tPROPN\t_\tGender=Masc\t4\tnsubj\t_\tname=B-PER",
        "3\tEilertsen\tEilertsen\tX\t_\tGender=Fem|Tense=past\t2\tname\t_\tname=I-PER",
        "4\tavstår\tavstå\tVERB\t_\tMood=Ind|Tense=Pres|VerbForm=Fin\t0\troot\t_\tSpaceAfter=No|name=O",
        "5\t.\t$.\tPUNCT\t_\t_\t4\tpunct\t_\tname=O",
    ]
    input_data = "\n".join(lines)
    converted_docs = conllu_to_docs(
        input_data, n_sents=1, merge_subtokens=True, append_morphology=True
    )
    assert len(converted_docs) == 1
    converted = [docs_to_json(converted_docs)]

    assert converted[0]["id"] == 0
    assert len(converted[0]["paragraphs"]) == 1
    assert converted[0]["paragraphs"][0]["raw"] == "Dommer FE avstår. "
    assert len(converted[0]["paragraphs"][0]["sentences"]) == 1
    sent = converted[0]["paragraphs"][0]["sentences"][0]
    assert len(sent["tokens"]) == 4
    tokens = sent["tokens"]
    print(tokens)
    assert [t["orth"] for t in tokens] == ["Dommer", "FE", "avstår", "."]
    assert [t["tag"] for t in tokens] == [
        "NOUN__Definite=Ind|Gender=Masc|Number=Sing",
        "PROPN_X__Gender=Fem,Masc|Tense=past",
        "VERB__Mood=Ind|Tense=Pres|VerbForm=Fin",
        "PUNCT",
    ]
    assert [t["pos"] for t in tokens] == ["NOUN", "PROPN", "VERB", "PUNCT"]
    assert [t["morph"] for t in tokens] == [
        "Definite=Ind|Gender=Masc|Number=Sing",
        "Gender=Fem,Masc|Tense=past",
        "Mood=Ind|Tense=Pres|VerbForm=Fin",
        "",
    ]
    assert [t["lemma"] for t in tokens] == ["dommer", "Finn Eilertsen", "avstå", "$."]
    assert [t["head"] for t in tokens] == [1, 1, 0, -1]
    assert [t["dep"] for t in tokens] == ["appos", "nsubj", "ROOT", "punct"]
    ent_offsets = [
        (e[0], e[1], e[2]) for e in converted[0]["paragraphs"][0]["entities"]
    ]
    biluo_tags = offsets_to_biluo_tags(converted_docs[0], ent_offsets, missing="O")
    assert biluo_tags == ["O", "U-PER", "O", "O"]


def test_cli_converters_iob_to_docs():
    lines = [
        "I|O like|O London|I-GPE and|O New|B-GPE York|I-GPE City|I-GPE .|O",
        "I|O like|O London|B-GPE and|O New|B-GPE York|I-GPE City|I-GPE .|O",
        "I|PRP|O like|VBP|O London|NNP|I-GPE and|CC|O New|NNP|B-GPE York|NNP|I-GPE City|NNP|I-GPE .|.|O",
        "I|PRP|O like|VBP|O London|NNP|B-GPE and|CC|O New|NNP|B-GPE York|NNP|I-GPE City|NNP|I-GPE .|.|O",
    ]
    input_data = "\n".join(lines)
    converted_docs = iob_to_docs(input_data, n_sents=10)
    assert len(converted_docs) == 1
    converted = docs_to_json(converted_docs)
    assert converted["id"] == 0
    assert len(converted["paragraphs"]) == 1
    assert len(converted["paragraphs"][0]["sentences"]) == 4
    for i in range(0, 4):
        sent = converted["paragraphs"][0]["sentences"][i]
        assert len(sent["tokens"]) == 8
        tokens = sent["tokens"]
        expected = ["I", "like", "London", "and", "New", "York", "City", "."]
        assert [t["orth"] for t in tokens] == expected
    assert len(converted_docs[0].ents) == 8
    for ent in converted_docs[0].ents:
        assert ent.text in ["New York City", "London"]


def test_cli_converters_conll_ner_to_docs():
    lines = [
        "-DOCSTART- -X- O O",
        "",
        "I\tO",
        "like\tO",
        "London\tB-GPE",
        "and\tO",
        "New\tB-GPE",
        "York\tI-GPE",
        "City\tI-GPE",
        ".\tO",
        "",
        "I O",
        "like O",
        "London B-GPE",
        "and O",
        "New B-GPE",
        "York I-GPE",
        "City I-GPE",
        ". O",
        "",
        "I PRP O",
        "like VBP O",
        "London NNP B-GPE",
        "and CC O",
        "New NNP B-GPE",
        "York NNP I-GPE",
        "City NNP I-GPE",
        ". . O",
        "",
        "I PRP _ O",
        "like VBP _ O",
        "London NNP _ B-GPE",
        "and CC _ O",
        "New NNP _ B-GPE",
        "York NNP _ I-GPE",
        "City NNP _ I-GPE",
        ". . _ O",
        "",
        "I\tPRP\t_\tO",
        "like\tVBP\t_\tO",
        "London\tNNP\t_\tB-GPE",
        "and\tCC\t_\tO",
        "New\tNNP\t_\tB-GPE",
        "York\tNNP\t_\tI-GPE",
        "City\tNNP\t_\tI-GPE",
        ".\t.\t_\tO",
    ]
    input_data = "\n".join(lines)
    converted_docs = conll_ner_to_docs(input_data, n_sents=10)
    assert len(converted_docs) == 1
    converted = docs_to_json(converted_docs)
    assert converted["id"] == 0
    assert len(converted["paragraphs"]) == 1
    assert len(converted["paragraphs"][0]["sentences"]) == 5
    for i in range(0, 5):
        sent = converted["paragraphs"][0]["sentences"][i]
        assert len(sent["tokens"]) == 8
        tokens = sent["tokens"]
        # fmt: off
        assert [t["orth"] for t in tokens] == ["I", "like", "London", "and", "New", "York", "City", "."]
        # fmt: on
    assert len(converted_docs[0].ents) == 10
    for ent in converted_docs[0].ents:
        assert ent.text in ["New York City", "London"]


def test_project_config_validation_full():
    config = {
        "vars": {"some_var": 20},
        "directories": ["assets", "configs", "corpus", "scripts", "training"],
        "assets": [
            {
                "dest": "x",
                "url": "https://example.com",
                "checksum": "63373dd656daa1fd3043ce166a59474c",
            },
            {
                "dest": "y",
                "git": {
                    "repo": "https://github.com/example/repo",
                    "branch": "develop",
                    "path": "y",
                },
            },
        ],
        "commands": [
            {
                "name": "train",
                "help": "Train a model",
                "script": ["python -m spacy train config.cfg -o training"],
                "deps": ["config.cfg", "corpus/training.spcy"],
                "outputs": ["training/model-best"],
            },
            {"name": "test", "script": ["pytest", "custom.py"], "no_skip": True},
        ],
        "workflows": {"all": ["train", "test"], "train": ["train"]},
    }
    errors = validate(ProjectConfigSchema, config)
    assert not errors


@pytest.mark.parametrize(
    "config",
    [
        {"commands": [{"name": "a"}, {"name": "a"}]},
        {"commands": [{"name": "a"}], "workflows": {"a": []}},
        {"commands": [{"name": "a"}], "workflows": {"b": ["c"]}},
    ],
)
def test_project_config_validation1(config):
    with pytest.raises(SystemExit):
        validate_project_commands(config)


@pytest.mark.parametrize(
    "config,n_errors",
    [
        ({"commands": {"a": []}}, 1),
        ({"commands": [{"help": "..."}]}, 1),
        ({"commands": [{"name": "a", "extra": "b"}]}, 1),
        ({"commands": [{"extra": "b"}]}, 2),
        ({"commands": [{"name": "a", "deps": [123]}]}, 1),
    ],
)
def test_project_config_validation2(config, n_errors):
    errors = validate(ProjectConfigSchema, config)
    assert len(errors) == n_errors


def test_project_config_interpolation():
    variables = {"a": 10, "b": {"c": "foo", "d": True}}
    commands = [
        {"name": "x", "script": ["hello ${vars.a} ${vars.b.c}"]},
        {"name": "y", "script": ["${vars.b.c} ${vars.b.d}"]},
    ]
    project = {"commands": commands, "vars": variables}
    with make_tempdir() as d:
        srsly.write_yaml(d / "project.yml", project)
        cfg = load_project_config(d)
    assert cfg["commands"][0]["script"][0] == "hello 10 foo"
    assert cfg["commands"][1]["script"][0] == "foo true"
    commands = [{"name": "x", "script": ["hello ${vars.a} ${vars.b.e}"]}]
    project = {"commands": commands, "vars": variables}
    with pytest.raises(ConfigValidationError):
        substitute_project_variables(project)


@pytest.mark.parametrize(
    "args,expected",
    [
        # fmt: off
        (["--x.foo", "10"], {"x.foo": 10}),
        (["--x.foo=10"], {"x.foo": 10}),
        (["--x.foo", "bar"], {"x.foo": "bar"}),
        (["--x.foo=bar"], {"x.foo": "bar"}),
        (["--x.foo", "--x.bar", "baz"], {"x.foo": True, "x.bar": "baz"}),
        (["--x.foo", "--x.bar=baz"], {"x.foo": True, "x.bar": "baz"}),
        (["--x.foo", "10.1", "--x.bar", "--x.baz", "false"], {"x.foo": 10.1, "x.bar": True, "x.baz": False}),
        (["--x.foo", "10.1", "--x.bar", "--x.baz=false"], {"x.foo": 10.1, "x.bar": True, "x.baz": False})
        # fmt: on
    ],
)
def test_parse_config_overrides(args, expected):
    assert parse_config_overrides(args) == expected


@pytest.mark.parametrize("args", [["--foo"], ["--x.foo", "bar", "--baz"]])
def test_parse_config_overrides_invalid(args):
    with pytest.raises(NoSuchOption):
        parse_config_overrides(args)


@pytest.mark.parametrize("args", [["--x.foo", "bar", "baz"], ["x.foo"]])
def test_parse_config_overrides_invalid_2(args):
    with pytest.raises(SystemExit):
        parse_config_overrides(args)


def test_parse_cli_overrides():
    overrides = "--x.foo bar --x.bar=12 --x.baz false --y.foo=hello"
    os.environ[ENV_VARS.CONFIG_OVERRIDES] = overrides
    result = parse_config_overrides([])
    assert len(result) == 4
    assert result["x.foo"] == "bar"
    assert result["x.bar"] == 12
    assert result["x.baz"] is False
    assert result["y.foo"] == "hello"
    os.environ[ENV_VARS.CONFIG_OVERRIDES] = "--x"
    assert parse_config_overrides([], env_var=None) == {}
    with pytest.raises(SystemExit):
        parse_config_overrides([])
    os.environ[ENV_VARS.CONFIG_OVERRIDES] = "hello world"
    with pytest.raises(SystemExit):
        parse_config_overrides([])
    del os.environ[ENV_VARS.CONFIG_OVERRIDES]


@pytest.mark.parametrize("lang", ["en", "nl"])
@pytest.mark.parametrize(
    "pipeline", [["tagger", "parser", "ner"], [], ["ner", "textcat", "sentencizer"]]
)
@pytest.mark.parametrize("optimize", ["efficiency", "accuracy"])
def test_init_config(lang, pipeline, optimize):
    # TODO: add more tests and also check for GPU with transformers
    init_config("-", lang=lang, pipeline=pipeline, optimize=optimize, cpu=True)


def test_model_recommendations():
    for lang, data in RECOMMENDATIONS.items():
        assert RecommendationSchema(**data)


@pytest.mark.parametrize(
    "value",
    [
        # fmt: off
        "parser,textcat,tagger",
        " parser, textcat ,tagger ",
        'parser,textcat,tagger',
        ' parser, textcat ,tagger ',
        ' "parser"," textcat " ,"tagger "',
        " 'parser',' textcat ' ,'tagger '",
        '[parser,textcat,tagger]',
        '["parser","textcat","tagger"]',
        '[" parser" ,"textcat ", " tagger " ]',
        "[parser,textcat,tagger]",
        "[ parser, textcat , tagger]",
        "['parser','textcat','tagger']",
        "[' parser' , 'textcat', ' tagger ' ]",
        # fmt: on
    ],
)
def test_string_to_list(value):
    assert string_to_list(value, intify=False) == ["parser", "textcat", "tagger"]


@pytest.mark.parametrize(
    "value",
    [
        # fmt: off
        "1,2,3",
        '[1,2,3]',
        '["1","2","3"]',
        '[" 1" ,"2 ", " 3 " ]',
        "[' 1' , '2', ' 3 ' ]",
        # fmt: on
    ],
)
def test_string_to_list_intify(value):
    assert string_to_list(value, intify=False) == ["1", "2", "3"]
    assert string_to_list(value, intify=True) == [1, 2, 3]