import json
import pytest
import httpx
import respx
from gitea_mcp import (
    list_labels, create_label, add_issue_labels, list_milestones, create_milestone,
)

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


@respx.mock
def test_list_labels():
    route = respx.get(f"{BASE}/repos/owner/repo/labels").mock(
        return_value=httpx.Response(200, json=[{"id": 1, "name": "bug", "color": "#ee0701"}])
    )
    result = list_labels("owner", "repo")
    assert route.called
    assert result[0]["name"] == "bug"


@respx.mock
def test_create_label():
    route = respx.post(f"{BASE}/repos/owner/repo/labels").mock(
        return_value=httpx.Response(201, json={"id": 5, "name": "enhancement"})
    )
    result = create_label("owner", "repo", "enhancement", "#84b6eb")
    assert route.called
    body = json.loads(route.calls[0].request.content)
    assert body["name"] == "enhancement"
    assert body["color"] == "#84b6eb"


@respx.mock
def test_create_label_with_description():
    route = respx.post(f"{BASE}/repos/owner/repo/labels").mock(
        return_value=httpx.Response(201, json={"id": 6})
    )
    create_label("owner", "repo", "wontfix", "#ffffff", description="Not going to fix")
    body = json.loads(route.calls[0].request.content)
    assert body["description"] == "Not going to fix"


@respx.mock
def test_create_label_error():
    respx.post(f"{BASE}/repos/owner/repo/labels").mock(
        return_value=httpx.Response(422, json={"message": "validation failed"})
    )
    with pytest.raises(RuntimeError, match="422"):
        create_label("owner", "repo", "bad", "notacolor")


@respx.mock
def test_add_issue_labels():
    route = respx.post(f"{BASE}/repos/owner/repo/issues/3/labels").mock(
        return_value=httpx.Response(200, json=[{"id": 1}])
    )
    result = add_issue_labels("owner", "repo", 3, [1, 2])
    assert route.called
    body = json.loads(route.calls[0].request.content)
    assert body["labels"] == [1, 2]


@respx.mock
def test_list_milestones():
    route = respx.get(f"{BASE}/repos/owner/repo/milestones").mock(
        return_value=httpx.Response(200, json=[{"id": 1, "title": "v1.0"}])
    )
    result = list_milestones("owner", "repo")
    assert route.called
    assert result[0]["title"] == "v1.0"
    assert dict(route.calls[0].request.url.params)["state"] == "open"


@respx.mock
def test_list_milestones_closed():
    route = respx.get(f"{BASE}/repos/owner/repo/milestones").mock(
        return_value=httpx.Response(200, json=[])
    )
    list_milestones("owner", "repo", state="closed")
    assert dict(route.calls[0].request.url.params)["state"] == "closed"


@respx.mock
def test_create_milestone():
    route = respx.post(f"{BASE}/repos/owner/repo/milestones").mock(
        return_value=httpx.Response(201, json={"id": 2, "title": "v2.0"})
    )
    result = create_milestone("owner", "repo", "v2.0")
    assert route.called
    body = json.loads(route.calls[0].request.content)
    assert body["title"] == "v2.0"
    assert "description" not in body
    assert "due_on" not in body


@respx.mock
def test_create_milestone_with_due_date():
    route = respx.post(f"{BASE}/repos/owner/repo/milestones").mock(
        return_value=httpx.Response(201, json={"id": 3})
    )
    create_milestone("owner", "repo", "v3.0", description="Major release", due_on="2025-12-31T00:00:00Z")
    body = json.loads(route.calls[0].request.content)
    assert body["description"] == "Major release"
    assert body["due_on"] == "2025-12-31T00:00:00Z"