"""Test the codeclimate JSON formatter."""
from __future__ import annotations

import json
import pathlib
import subprocess
import sys

import pytest

from ansiblelint.errors import MatchError
from ansiblelint.file_utils import Lintable
from ansiblelint.formatters import CodeclimateJSONFormatter
from ansiblelint.rules import AnsibleLintRule, RulesCollection


class TestCodeclimateJSONFormatter:
    """Unit test for CodeclimateJSONFormatter."""

    rule = AnsibleLintRule()
    matches: list[MatchError] = []
    formatter: CodeclimateJSONFormatter | None = None
    collection = RulesCollection()

    def setup_class(self) -> None:
        """Set up few MatchError objects."""
        self.rule = AnsibleLintRule()
        self.rule.id = "TCF0001"
        self.rule.severity = "VERY_HIGH"
        self.collection.register(self.rule)
        self.matches = []
        self.matches.append(
            MatchError(
                message="message",
                lineno=1,
                details="hello",
                lintable=Lintable("filename.yml", content=""),
                rule=self.rule,
            ),
        )
        self.matches.append(
            MatchError(
                message="message",
                lineno=2,
                details="hello",
                lintable=Lintable("filename.yml", content=""),
                rule=self.rule,
                ignored=True,
            ),
        )
        self.formatter = CodeclimateJSONFormatter(
            pathlib.Path.cwd(),
            display_relative_path=True,
        )

    def test_json_format_list(self) -> None:
        """Test if the return value is a string."""
        assert isinstance(self.formatter, CodeclimateJSONFormatter)
        assert isinstance(self.formatter.format_result(self.matches), str)

    def test_result_is_json(self) -> None:
        """Test if returned string value is a JSON."""
        assert isinstance(self.formatter, CodeclimateJSONFormatter)
        output = self.formatter.format_result(self.matches)
        json.loads(output)
        # https://github.com/ansible/ansible-navigator/issues/1490
        assert "\n" not in output

    def test_json_single_match(self) -> None:
        """Test negative case. Only lists are allowed. Otherwise a RuntimeError will be raised."""
        assert isinstance(self.formatter, CodeclimateJSONFormatter)
        with pytest.raises(RuntimeError):
            self.formatter.format_result(self.matches[0])  # type: ignore[arg-type]

    def test_result_is_list(self) -> None:
        """Test if the return JSON contains a list with a length of 2."""
        assert isinstance(self.formatter, CodeclimateJSONFormatter)
        result = json.loads(self.formatter.format_result(self.matches))
        assert len(result) == 2

    def test_validate_codeclimate_schema(self) -> None:
        """Test if the returned JSON is a valid codeclimate report."""
        assert isinstance(self.formatter, CodeclimateJSONFormatter)
        result = json.loads(self.formatter.format_result(self.matches))
        single_match = result[0]
        assert "type" in single_match
        assert single_match["type"] == "issue"
        assert "check_name" in single_match
        assert "categories" in single_match
        assert isinstance(single_match["categories"], list)
        assert "severity" in single_match
        assert single_match["severity"] == "major"
        assert "description" in single_match
        assert "fingerprint" in single_match
        assert "location" in single_match
        assert "path" in single_match["location"]
        assert single_match["location"]["path"] == self.matches[0].filename
        assert "lines" in single_match["location"]
        assert single_match["location"]["lines"]["begin"] == self.matches[0].lineno
        assert "positions" not in single_match["location"]
        # check that the 2nd match is marked as 'minor' because it was created with ignored=True
        assert result[1]["severity"] == "minor"

    def test_validate_codeclimate_schema_with_positions(self) -> None:
        """Test if the returned JSON is a valid codeclimate report (containing 'positions' instead of 'lines')."""
        assert isinstance(self.formatter, CodeclimateJSONFormatter)
        result = json.loads(
            self.formatter.format_result(
                [
                    MatchError(
                        message="message",
                        lineno=1,
                        column=42,
                        details="hello",
                        lintable=Lintable("filename.yml", content=""),
                        rule=self.rule,
                    ),
                ],
            ),
        )
        assert result[0]["location"]["positions"]["begin"]["line"] == 1
        assert result[0]["location"]["positions"]["begin"]["column"] == 42
        assert "lines" not in result[0]["location"]


def test_code_climate_parsable_ignored() -> None:
    """Test that -p option does not alter codeclimate format."""
    cmd = [
        sys.executable,
        "-m",
        "ansiblelint",
        "-v",
        "-p",
    ]
    file = "examples/playbooks/empty_playbook.yml"
    result = subprocess.run([*cmd, file], check=False)
    result2 = subprocess.run([*cmd, "-p", file], check=False)

    assert result.returncode == result2.returncode
    assert result.stdout == result2.stdout
