import json
import pytest
import httpx
import respx
from gitea_mcp import (
    list_issues, get_issue, create_issue, update_issue, close_issue, reopen_issue,
    list_issue_comments, add_issue_comment, edit_issue_comment, delete_issue_comment,
)

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


@respx.mock
def test_list_issues_defaults():
    route = respx.get(f"{BASE}/repos/owner/repo/issues").mock(
        return_value=httpx.Response(200, json=[])
    )
    list_issues("owner", "repo")
    params = dict(route.calls[0].request.url.params)
    assert params["state"] == "open"
    assert params["type"] == "issues"
    assert params["limit"] == "20"


@respx.mock
def test_list_issues_with_filters():
    route = respx.get(f"{BASE}/repos/owner/repo/issues").mock(
        return_value=httpx.Response(200, json=[])
    )
    list_issues("owner", "repo", state="closed", labels="bug", assignee="alice")
    params = dict(route.calls[0].request.url.params)
    assert params["state"] == "closed"
    assert params["labels"] == "bug"
    assert params["assignee"] == "alice"


@respx.mock
def test_get_issue():
    route = respx.get(f"{BASE}/repos/owner/repo/issues/42").mock(
        return_value=httpx.Response(200, json={"number": 42, "title": "Bug"})
    )
    result = get_issue("owner", "repo", 42)
    assert route.called
    assert result["number"] == 42


@respx.mock
def test_get_issue_not_found():
    respx.get(f"{BASE}/repos/owner/repo/issues/999").mock(
        return_value=httpx.Response(404, json={"message": "not found"})
    )
    with pytest.raises(RuntimeError, match="404"):
        get_issue("owner", "repo", 999)


@respx.mock
def test_create_issue():
    route = respx.post(f"{BASE}/repos/owner/repo/issues").mock(
        return_value=httpx.Response(201, json={"number": 1, "title": "New bug"})
    )
    result = create_issue("owner", "repo", "New bug", body="description")
    assert route.called
    body = json.loads(route.calls[0].request.content)
    assert body["title"] == "New bug"
    assert body["body"] == "description"


@respx.mock
def test_create_issue_with_assignees_and_labels():
    route = respx.post(f"{BASE}/repos/owner/repo/issues").mock(
        return_value=httpx.Response(201, json={"number": 2})
    )
    create_issue("owner", "repo", "Task", assignees=["alice"], labels=[1, 2])
    body = json.loads(route.calls[0].request.content)
    assert body["assignees"] == ["alice"]
    assert body["labels"] == [1, 2]


@respx.mock
def test_update_issue():
    route = respx.patch(f"{BASE}/repos/owner/repo/issues/5").mock(
        return_value=httpx.Response(200, json={"number": 5})
    )
    update_issue("owner", "repo", 5, title="Updated title")
    body = json.loads(route.calls[0].request.content)
    assert body["title"] == "Updated title"
    assert "body" not in body


@respx.mock
def test_close_issue():
    route = respx.patch(f"{BASE}/repos/owner/repo/issues/3").mock(
        return_value=httpx.Response(200, json={"state": "closed"})
    )
    result = close_issue("owner", "repo", 3)
    assert route.called
    body = json.loads(route.calls[0].request.content)
    assert body["state"] == "closed"


@respx.mock
def test_reopen_issue():
    route = respx.patch(f"{BASE}/repos/owner/repo/issues/3").mock(
        return_value=httpx.Response(200, json={"state": "open"})
    )
    reopen_issue("owner", "repo", 3)
    body = json.loads(route.calls[0].request.content)
    assert body["state"] == "open"


@respx.mock
def test_list_issue_comments():
    route = respx.get(f"{BASE}/repos/owner/repo/issues/7/comments").mock(
        return_value=httpx.Response(200, json=[{"id": 1, "body": "hi"}])
    )
    result = list_issue_comments("owner", "repo", 7)
    assert route.called
    assert result[0]["id"] == 1


@respx.mock
def test_add_issue_comment():
    route = respx.post(f"{BASE}/repos/owner/repo/issues/7/comments").mock(
        return_value=httpx.Response(201, json={"id": 10, "body": "LGTM"})
    )
    result = add_issue_comment("owner", "repo", 7, "LGTM")
    assert route.called
    body = json.loads(route.calls[0].request.content)
    assert body["body"] == "LGTM"


@respx.mock
def test_edit_issue_comment():
    route = respx.patch(f"{BASE}/repos/owner/repo/issues/comments/42").mock(
        return_value=httpx.Response(200, json={"id": 42})
    )
    edit_issue_comment("owner", "repo", 42, "edited body")
    body = json.loads(route.calls[0].request.content)
    assert body["body"] == "edited body"


@respx.mock
def test_delete_issue_comment():
    route = respx.delete(f"{BASE}/repos/owner/repo/issues/comments/42").mock(
        return_value=httpx.Response(204)
    )
    result = delete_issue_comment("owner", "repo", 42)
    assert route.called
    assert result == {"success": True}