"""AP2.2e — Unplan, Bug/Issue mit Feature-Referenz, Sprint-Lifecycle."""

from __future__ import annotations

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


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

    created = _create_initiative(
        client,
        token,
        title="Sprint Planung E2E",
        archetype_key="initiative.product",
    )
    initiative_id = created.json()["id"]

    cycle = client.post(
        f"/api/initiatives/{initiative_id}/work-cycles",
        json={"title": "Sprint 1", "status": "planned"},
        headers=_auth(token),
    )
    assert cycle.status_code == 201
    cycle_id = cycle.json()["id"]

    backlog = client.post(
        f"/api/initiatives/{initiative_id}/backlog",
        json={"title": "Story A", "status": "accepted"},
        headers=_auth(token),
    )
    assert backlog.status_code == 201
    backlog_id = backlog.json()["id"]

    converted = client.post(
        f"/api/backlog/{backlog_id}/convert-to-action",
        json={"work_cycle_id": cycle_id, "assign_active_sprint": False},
        headers=_auth(token),
    )
    assert converted.status_code == 201
    action_id = converted.json()["action"]["id"]
    assert converted.json()["backlog_item"]["status"] == "converted"

    unplan = client.post(
        f"/api/actions/{action_id}/unplan-to-backlog",
        headers=_auth(token),
    )
    assert unplan.status_code == 200
    body = unplan.json()
    assert body["backlog_item"]["status"] == "accepted"
    assert body["backlog_item"]["id"] == backlog_id
    assert body["backlog_item"]["converted_action_id"] is None
    assert body["action"]["status"] == "discarded"
    assert body["action"]["work_cycle_id"] is None


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

    created = _create_initiative(
        client,
        token,
        title="Unplan Guard",
        archetype_key="initiative.product",
    )
    initiative_id = created.json()["id"]

    action = client.post(
        f"/api/initiatives/{initiative_id}/actions",
        json={"title": "Laufendes AP", "status": "in_progress"},
        headers=_auth(token),
    )
    assert action.status_code == 201
    action_id = action.json()["id"]

    unplan = client.post(
        f"/api/actions/{action_id}/unplan-to-backlog",
        headers=_auth(token),
    )
    assert unplan.status_code == 400


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

    created = _create_initiative(
        client,
        token,
        title="Bug Ref",
        archetype_key="initiative.product",
    )
    initiative_id = created.json()["id"]

    cycle = client.post(
        f"/api/initiatives/{initiative_id}/work-cycles",
        json={"title": "Sprint 1", "status": "planned"},
        headers=_auth(token),
    )
    assert cycle.status_code == 201
    cycle_id = cycle.json()["id"]

    feature = client.post(
        f"/api/initiatives/{initiative_id}/actions",
        json={"title": "Login Feature", "action_kind": "delivery"},
        headers=_auth(token),
    )
    assert feature.status_code == 201
    feature_id = feature.json()["id"]

    bug = client.post(
        f"/api/initiatives/{initiative_id}/backlog",
        json={
            "title": "Login-Button kaputt",
            "status": "accepted",
            "item_kind": "bug",
            "parent_action_id": feature_id,
        },
        headers=_auth(token),
    )
    assert bug.status_code == 201
    assert bug.json()["item_kind"] == "bug"
    assert bug.json()["parent_action_id"] == feature_id

    converted = client.post(
        f"/api/backlog/{bug.json()['id']}/convert-to-action",
        json={"work_cycle_id": cycle_id, "assign_active_sprint": False},
        headers=_auth(token),
    )
    assert converted.status_code == 201
    action = converted.json()["action"]
    assert action["action_kind"] == "bug"
    assert action["parent_action_id"] == feature_id
    assert action["work_cycle_id"] == cycle_id


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

    created = _create_initiative(
        client,
        token,
        title="Complete Stats",
        archetype_key="initiative.product",
    )
    initiative_id = created.json()["id"]

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

    client.post(
        f"/api/initiatives/{initiative_id}/actions",
        json={"title": "Offen", "work_cycle_id": cycle_id, "status": "open"},
        headers=_auth(token),
    )

    completed = client.post(
        f"/api/initiatives/{initiative_id}/work-cycles/{cycle_id}/complete",
        headers=_auth(token),
    )
    assert completed.status_code == 200
    assert completed.json()["status"] == "reached"
    assert completed.json()["open_action_count_at_completion"] == 1


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

    created = _create_initiative(
        client,
        token,
        title="Reactivate Sprint",
        archetype_key="initiative.product",
    )
    initiative_id = created.json()["id"]

    cycle = client.post(
        f"/api/initiatives/{initiative_id}/work-cycles",
        json={"title": "Sprint R1", "status": "active"},
        headers=_auth(token),
    )
    cycle_id = cycle.json()["id"]

    completed = client.post(
        f"/api/initiatives/{initiative_id}/work-cycles/{cycle_id}/complete",
        headers=_auth(token),
    )
    assert completed.status_code == 200
    assert completed.json()["status"] == "reached"

    reactivated = client.post(
        f"/api/initiatives/{initiative_id}/work-cycles/{cycle_id}/reactivate",
        headers=_auth(token),
    )
    assert reactivated.status_code == 200
    assert reactivated.json()["status"] == "active"

    active = client.get(
        f"/api/initiatives/{initiative_id}/work-cycles/active",
        headers=_auth(token),
    )
    assert active.status_code == 200
    assert active.json()["id"] == cycle_id


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

    created = _create_initiative(
        client,
        token,
        title="Carryover Unplan",
        archetype_key="initiative.product",
    )
    initiative_id = created.json()["id"]

    action = client.post(
        f"/api/initiatives/{initiative_id}/actions",
        json={"title": "In Arbeit", "status": "in_progress"},
        headers=_auth(token),
    )
    action_id = action.json()["id"]

    unplan = client.post(
        f"/api/actions/{action_id}/unplan-to-backlog?carryover=true",
        headers=_auth(token),
    )
    assert unplan.status_code == 200
    assert unplan.json()["backlog_item"]["status"] == "accepted"

    normal_unplan = client.post(
        f"/api/actions/{action_id}/unplan-to-backlog",
        headers=_auth(token),
    )
    assert normal_unplan.status_code in (400, 404)