# This Source Code Form is subject to the terms of the Mozilla Public
# License, v. 2.0. If a copy of the MPL was not distributed with this
# file, You can obtain one at http://mozilla.org/MPL/2.0/.

import os
import subprocess

import mozunit
import pytest

from mozlint import editor
from mozlint.result import Issue, ResultSummary

here = os.path.abspath(os.path.dirname(__file__))


@pytest.fixture
def capture_commands(monkeypatch):
    def inner(commands):
        def fake_subprocess_call(*args, **kwargs):
            commands.append(args[0])

        monkeypatch.setattr(subprocess, "call", fake_subprocess_call)

    return inner


@pytest.fixture
def result():
    result = ResultSummary("/fake/root")
    result.issues["foo.py"].extend([
        Issue(
            linter="no-foobar",
            path="foo.py",
            lineno=1,
            message="Oh no!",
        ),
        Issue(
            linter="no-foobar",
            path="foo.py",
            lineno=3,
            column=10,
            message="To Yuma!",
        ),
    ])
    return result


def test_no_editor(monkeypatch, capture_commands, result):
    commands = []
    capture_commands(commands)

    monkeypatch.delenv("EDITOR", raising=False)
    editor.edit_issues(result)
    assert commands == []


def test_no_issues(monkeypatch, capture_commands, result):
    commands = []
    capture_commands(commands)

    monkeypatch.setenv("EDITOR", "generic")
    result.issues = {}
    editor.edit_issues(result)
    assert commands == []


def test_vim(monkeypatch, capture_commands, result):
    commands = []
    capture_commands(commands)

    monkeypatch.setenv("EDITOR", "vim")
    editor.edit_issues(result)
    assert len(commands) == 1
    assert commands[0][0] == "vim"


def test_generic(monkeypatch, capture_commands, result):
    commands = []
    capture_commands(commands)

    monkeypatch.setenv("EDITOR", "generic")
    editor.edit_issues(result)
    assert len(commands) == len(result.issues)
    assert all(c[0] == "generic" for c in commands)
    assert all("foo.py" in c for c in commands)


if __name__ == "__main__":
    mozunit.main()