import pytest
import httpx
import respx
from gitea_mcp import list_commits, get_commit, compare_branches, list_repo_contributors

BASE = "https://gitea.test/api/v1"


@respx.mock
def test_list_commits_defaults():
    route = respx.get(f"{BASE}/repos/owner/repo/commits").mock(
        return_value=httpx.Response(200, json=[{"sha": "abc123"}])
    )
    result = list_commits("owner", "repo")
    assert route.called
    params = dict(route.calls[0].request.url.params)
    assert params["limit"] == "20"
    assert params["page"] == "1"
    assert "sha" not in params
    assert "path" not in params


@respx.mock
def test_list_commits_on_branch_and_path():
    route = respx.get(f"{BASE}/repos/owner/repo/commits").mock(
        return_value=httpx.Response(200, json=[])
    )
    list_commits("owner", "repo", sha="develop", path="server/gitea_mcp.py")
    params = dict(route.calls[0].request.url.params)
    assert params["sha"] == "develop"
    assert params["path"] == "server/gitea_mcp.py"


@respx.mock
def test_get_commit():
    route = respx.get(f"{BASE}/repos/owner/repo/git/commits/abc123").mock(
        return_value=httpx.Response(200, json={"sha": "abc123", "commit": {"message": "fix bug"}})
    )
    result = get_commit("owner", "repo", "abc123")
    assert route.called
    assert result["sha"] == "abc123"
    params = dict(route.calls[0].request.url.params)
    assert params["stat"] == "true"
    assert params["files"] == "true"


@respx.mock
def test_get_commit_without_stat():
    route = respx.get(f"{BASE}/repos/owner/repo/git/commits/deadbeef").mock(
        return_value=httpx.Response(200, json={"sha": "deadbeef"})
    )
    get_commit("owner", "repo", "deadbeef", stat=False, files=False)
    params = dict(route.calls[0].request.url.params)
    assert params["stat"] == "false"
    assert params["files"] == "false"


@respx.mock
def test_get_commit_not_found():
    respx.get(f"{BASE}/repos/owner/repo/git/commits/notacommit").mock(
        return_value=httpx.Response(404, json={"message": "not found"})
    )
    with pytest.raises(RuntimeError, match="404"):
        get_commit("owner", "repo", "notacommit")


@respx.mock
def test_compare_branches():
    route = respx.get(f"{BASE}/repos/owner/repo/compare/main...develop").mock(
        return_value=httpx.Response(200, json={"total_commits": 3, "commits": []})
    )
    result = compare_branches("owner", "repo", "main", "develop")
    assert route.called
    assert result["total_commits"] == 3


@respx.mock
def test_compare_branches_with_slashes():
    route = respx.get(f"{BASE}/repos/owner/repo/compare/release%2F1.0...feature%2Fnew").mock(
        return_value=httpx.Response(200, json={"total_commits": 1})
    )
    result = compare_branches("owner", "repo", "release/1.0", "feature/new")
    assert route.called


@respx.mock
def test_list_repo_contributors():
    route = respx.get(f"{BASE}/repos/owner/repo/contributors").mock(
        return_value=httpx.Response(200, json=[{"login": "alice", "contributions": 42}])
    )
    result = list_repo_contributors("owner", "repo")
    assert route.called
    assert result[0]["login"] == "alice"
    assert dict(route.calls[0].request.url.params)["limit"] == "20"