"""AP2.2c — A2 sequential_dependency: Gate-Horizont + Agile-Komposition."""

from __future__ import annotations

from tests.factories import provision_user_in_tenant
from tests.test_initiatives_actions import _auth, _create_initiative, _login


def _gate_ids(client, token, initiative_id):
    roadmap = client.get(
        f"/api/initiatives/{initiative_id}/roadmap/items",
        headers=_auth(token),
    )
    assert roadmap.status_code == 200
    items = roadmap.json()
    active = next(i for i in items if i.get("status") == "active")
    planned = next(i for i in items if i.get("title", "").startswith("G2"))
    return active["id"], planned["id"]


def test_sequential_next_action_only_in_active_gate_horizon(client):
    user = provision_user_in_tenant(tenant_role="admin")
    token = _login(client, user)

    created = _create_initiative(
        client,
        token,
        title="Horizon Test",
        archetype_key="initiative.linear_project",
    )
    initiative_id = created.json()["id"]
    g1_id, g2_id = _gate_ids(client, token, initiative_id)

    off_horizon = client.post(
        f"/api/initiatives/{initiative_id}/actions",
        json={
            "title": "Außerhalb Horizont",
            "status": "open",
            "roadmap_item_id": g2_id,
            "sort_order": 0,
        },
        headers=_auth(token),
    )
    on_horizon = client.post(
        f"/api/initiatives/{initiative_id}/actions",
        json={
            "title": "Im aktiven Gate",
            "status": "open",
            "roadmap_item_id": g1_id,
            "sort_order": 1,
        },
        headers=_auth(token),
    )
    assert off_horizon.status_code == 201 and on_horizon.status_code == 201

    snap = client.get(
        f"/api/initiatives/{initiative_id}/steering-snapshot",
        headers=_auth(token),
    )
    assert snap.status_code == 200
    next_actions = snap.json().get("next_actions") or []
    assert next_actions
    next_ids = {n.get("action_id") for n in next_actions}
    assert off_horizon.json()["id"] not in next_ids
    assert on_horizon.json()["id"] in next_ids


def test_agile_on_linear_delegates_primary_without_active_sprint(client):
    user = provision_user_in_tenant(tenant_role="admin")
    token = _login(client, user)

    created = _create_initiative(
        client,
        token,
        title="Agile Primary",
        archetype_key="initiative.linear_project",
    )
    initiative_id = created.json()["id"]
    g1_id, _ = _gate_ids(client, token, initiative_id)

    action = client.post(
        f"/api/initiatives/{initiative_id}/actions",
        json={
            "title": "Gate Action",
            "status": "open",
            "roadmap_item_id": g1_id,
        },
        headers=_auth(token),
    )
    assert action.status_code == 201

    snap = client.get(
        f"/api/initiatives/{initiative_id}/steering-snapshot",
        headers=_auth(token),
    )
    assert snap.status_code == 200
    assert snap.json().get("active_work_cycle") is None
    next_actions = snap.json().get("next_actions") or []
    assert next_actions[0]["action_id"] == action.json()["id"]
    assert next_actions[0]["reason_code"] in (
        "execution_ready",
        "execution_critical_path",
    )


def test_agile_on_linear_sprint_intersects_gate_horizon(client):
    user = provision_user_in_tenant(tenant_role="admin")
    token = _login(client, user)

    created = _create_initiative(
        client,
        token,
        title="Sprint Horizon",
        archetype_key="initiative.linear_project",
    )
    initiative_id = created.json()["id"]
    g1_id, _ = _gate_ids(client, token, initiative_id)

    cycle = client.post(
        f"/api/initiatives/{initiative_id}/work-cycles",
        json={"title": "Montage-Woche", "status": "active"},
        headers=_auth(token),
    )
    assert cycle.status_code == 201
    cycle_id = cycle.json()["id"]

    outside_sprint = client.post(
        f"/api/initiatives/{initiative_id}/actions",
        json={
            "title": "Nur Gate",
            "status": "open",
            "roadmap_item_id": g1_id,
        },
        headers=_auth(token),
    )
    in_sprint = client.post(
        f"/api/initiatives/{initiative_id}/actions",
        json={
            "title": "Im Sprint",
            "status": "ready",
            "roadmap_item_id": g1_id,
            "work_cycle_id": cycle_id,
        },
        headers=_auth(token),
    )
    assert outside_sprint.status_code == 201 and in_sprint.status_code == 201

    snap = client.get(
        f"/api/initiatives/{initiative_id}/steering-snapshot",
        headers=_auth(token),
    )
    assert snap.status_code == 200
    assert snap.json().get("active_work_cycle")
    next_actions = snap.json().get("next_actions") or []
    assert next_actions
    assert next_actions[0]["action_id"] == in_sprint.json()["id"]
    assert next_actions[0]["reason_code"] == "work_cycle_ready"


def test_operating_context_active_composition_modifier_with_sprint(client):
    user = provision_user_in_tenant(tenant_role="member")
    token = _login(client, user)

    created = _create_initiative(
        client,
        token,
        title="Composition Flag",
        archetype_key="initiative.linear_project",
    )
    initiative_id = created.json()["id"]

    ctx_before = client.get(
        f"/api/initiatives/{initiative_id}/operating-context",
        headers=_auth(token),
    )
    assert ctx_before.json().get("active_composition_modifier") is None

    client.post(
        f"/api/initiatives/{initiative_id}/work-cycles",
        json={"title": "S1", "status": "active"},
        headers=_auth(token),
    )

    ctx_after = client.get(
        f"/api/initiatives/{initiative_id}/operating-context",
        headers=_auth(token),
    )
    assert ctx_after.json().get("active_composition_modifier") == "agile_iteration"