import pytest
from sqlalchemy import delete
from app.models.todos import TodoItem


@pytest.fixture(autouse=True)
async def cleanup(db_session):
    yield
    await db_session.execute(delete(TodoItem).where(TodoItem.title.like("TEST_%")))
    await db_session.commit()


async def test_creer_todo(client):
    resp = await client.post("/api/todos/", json={
        "title": "TEST_tâche simple",
        "domains": ["informatique"],
        "priority": "high",
    })
    assert resp.status_code == 201
    data = resp.json()
    assert data["title"] == "TEST_tâche simple"
    assert data["status"] == "pending"
    assert data["postponed_count"] == 0
    assert data["tags"] == []
    assert data["domains"] == ["informatique"]


async def test_lister_todos_filtre_status(client):
    await client.post("/api/todos/", json={"title": "TEST_en cours", "status": "pending"})
    await client.post("/api/todos/", json={"title": "TEST_terminée", "status": "done"})

    resp = await client.get("/api/todos/?status=pending")
    assert resp.status_code == 200
    titres = [t["title"] for t in resp.json()]
    assert "TEST_en cours" in titres
    assert "TEST_terminée" not in titres


async def test_lister_todos_filtre_domaine(client):
    await client.post("/api/todos/", json={"title": "TEST_info", "domains": ["informatique"]})
    await client.post("/api/todos/", json={"title": "TEST_jardin", "domains": ["jardin"]})

    resp = await client.get("/api/todos/?domain=informatique&status=")
    assert resp.status_code == 200
    titres = [t["title"] for t in resp.json()]
    assert "TEST_info" in titres
    assert "TEST_jardin" not in titres


async def test_mettre_a_jour_todo(client):
    create_resp = await client.post("/api/todos/", json={"title": "TEST_avant"})
    item_id = create_resp.json()["id"]

    resp = await client.patch(f"/api/todos/{item_id}", json={"title": "TEST_après", "status": "done"})
    assert resp.status_code == 200
    assert resp.json()["title"] == "TEST_après"
    assert resp.json()["status"] == "done"
    assert resp.json()["updated_at"] is not None


async def test_mettre_a_jour_todo_inexistant(client):
    resp = await client.patch(
        "/api/todos/00000000-0000-0000-0000-000000000000",
        json={"title": "TEST_ghost"},
    )
    assert resp.status_code == 404


async def test_supprimer_todo(client):
    create_resp = await client.post("/api/todos/", json={"title": "TEST_à supprimer"})
    item_id = create_resp.json()["id"]

    resp = await client.delete(f"/api/todos/{item_id}")
    assert resp.status_code == 204

    resp2 = await client.patch(f"/api/todos/{item_id}", json={"title": "TEST_fantôme"})
    assert resp2.status_code == 404


async def test_reporter_todo_1_jour(client):
    due = "2026-06-01T10:00:00+00:00"
    create_resp = await client.post("/api/todos/", json={"title": "TEST_reporter", "due_date": due})
    item_id = create_resp.json()["id"]

    resp = await client.post(f"/api/todos/{item_id}/postpone", json={"days": 1})
    assert resp.status_code == 200
    data = resp.json()
    assert data["postponed_count"] == 1
    assert data["due_date"].startswith("2026-06-02")


async def test_reporter_todo_1_semaine(client):
    due = "2026-06-01T10:00:00+00:00"
    create_resp = await client.post("/api/todos/", json={"title": "TEST_reporter7", "due_date": due})
    item_id = create_resp.json()["id"]

    resp = await client.post(f"/api/todos/{item_id}/postpone", json={"days": 7})
    assert resp.status_code == 200
    data = resp.json()
    assert data["postponed_count"] == 1
    assert data["due_date"].startswith("2026-06-08")


async def test_reporter_jours_invalides(client):
    create_resp = await client.post("/api/todos/", json={"title": "TEST_invalide"})
    item_id = create_resp.json()["id"]

    resp = await client.post(f"/api/todos/{item_id}/postpone", json={"days": 3})
    assert resp.status_code == 422