"""End-to-end tests against the JSON API using FastAPI's TestClient.

These supersede the old direct-DB CLI smoke tests — they exercise the same
service.py paths the CLI now goes through over HTTP.
"""

from __future__ import annotations

import os
from pathlib import Path

import pytest
from fastapi.testclient import TestClient


@pytest.fixture
def client(tmp_path: Path, monkeypatch: pytest.MonkeyPatch) -> TestClient:
    monkeypatch.setenv("XDG_DATA_HOME", str(tmp_path / "data"))
    monkeypatch.setenv("XDG_CONFIG_HOME", str(tmp_path / "config"))
    # Force re-import after env vars set so config picks up our tmp paths.
    from claire.web.app import create_app

    return TestClient(create_app())


def test_health(client: TestClient) -> None:
    resp = client.get("/api/v1/health")
    assert resp.status_code == 200
    body = resp.json()
    assert body["status"] == "ok"
    assert len(body["machine_id"]) == 36


def test_project_lifecycle(client: TestClient) -> None:
    # Empty list to start.
    assert client.get("/api/v1/projects").json() == {"projects": []}

    # Create.
    r = client.post("/api/v1/projects", json={"name": "alpha", "goal": "ship it"})
    assert r.status_code == 201, r.text
    project = r.json()
    assert project["name"] == "alpha"
    assert project["goal"] == "ship it"
    assert project["status"] == "active"

    # Duplicate → 409.
    r = client.post("/api/v1/projects", json={"name": "alpha"})
    assert r.status_code == 409

    # Show.
    r = client.get("/api/v1/projects/alpha")
    assert r.status_code == 200
    assert r.json()["project"]["name"] == "alpha"
    assert r.json()["tasks"] == []

    # Missing → 404.
    assert client.get("/api/v1/projects/zzz").status_code == 404


def test_task_create_and_done(client: TestClient) -> None:
    client.post("/api/v1/projects", json={"name": "alpha"})
    r = client.post(
        "/api/v1/tasks",
        json={"project": "alpha", "title": "do thing", "priority": 1},
    )
    assert r.status_code == 201
    task = r.json()
    assert task["priority"] == 1
    assert task["status"] == "todo"
    tid = task["id"]

    # Mark done via task update.
    r = client.post(f"/api/v1/tasks/{tid}", json={"status": "done"})
    assert r.status_code == 200
    assert r.json()["status"] == "done"

    # task list with status filter.
    r = client.get("/api/v1/tasks", params={"status": "done"})
    tasks = r.json()["tasks"]
    assert len(tasks) == 1 and tasks[0]["id"] == tid


def test_assignment_creation(client: TestClient) -> None:
    client.post("/api/v1/projects", json={"name": "alpha"})
    tid = client.post(
        "/api/v1/tasks", json={"project": "alpha", "title": "t"}
    ).json()["id"]
    sid = "11111111-1111-4111-8111-111111111111"
    r = client.post(
        "/api/v1/assignments",
        json={"task_id": tid, "session_uuid": sid},
    )
    assert r.status_code == 201
    a = r.json()
    assert a["task_id"] == tid
    assert a["session_uuid"] == sid

    # Surfaced in /assignments.
    r = client.get("/api/v1/assignments")
    assert len(r.json()["assignments"]) == 1


def test_status_rollup(client: TestClient) -> None:
    client.post("/api/v1/projects", json={"name": "alpha"})
    client.post("/api/v1/tasks", json={"project": "alpha", "title": "t1", "priority": 1})
    client.post("/api/v1/tasks", json={"project": "alpha", "title": "t2"})
    r = client.get("/api/v1/status")
    assert r.status_code == 200
    body = r.json()
    proj = next(p for p in body["projects"] if p["name"] == "alpha")
    assert proj["counts"]["todo"] == 2
    assert proj["counts"]["done"] == 0


def test_fleet_considered_shape(client: TestClient) -> None:
    """GET /fleet/considered returns the considered-work shape; an open
    task with no free session lands in `remaining_tasks`, not `pairings`."""
    client.post("/api/v1/projects", json={"name": "alpha"})
    client.post(
        "/api/v1/tasks", json={"project": "alpha", "title": "ship hud", "priority": 0}
    )
    r = client.get("/api/v1/fleet/considered")
    assert r.status_code == 200
    body = r.json()
    assert set(body) == {
        "pairings",
        "remaining_tasks",
        "remaining_sessions",
        "capped_out",
    }
    assert body["pairings"] == []  # no sessions → nothing pairs
    titles = [t["title"] for t in body["remaining_tasks"]]
    assert "ship hud" in titles


def test_broadcast_dry_run_warns_when_no_assignments(client: TestClient) -> None:
    client.post("/api/v1/projects", json={"name": "alpha"})
    r = client.post(
        "/api/v1/broadcast", json={"target": "alpha", "text": "hello", "yes": False}
    )
    assert r.status_code == 200
    body = r.json()
    assert body["sent"] is False
    assert body["delivered"] == 0
    assert "no active assignments" in (body["error"] or "")