"""AP1.4 — RoadmapItem & Quality Gate tests."""

from __future__ import annotations

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


def _create_roadmap_item(client, token, initiative_id, **kwargs):
    body = {"title": "Gate A", "item_type": "milestone", **kwargs}
    return client.post(
        f"/api/initiatives/{initiative_id}/roadmap/items",
        json=body,
        headers=_auth(token),
    )


def test_roadmap_item_crud(client):
    user = provision_user_in_tenant(tenant_role="member")
    token = _login(client, user)
    initiative_id = _create_initiative(client, token).json()["id"]

    created = _create_roadmap_item(
        client,
        token,
        initiative_id,
        sequencing_mode="parallel",
        item_type="maturity_stage",
    )
    assert created.status_code == 201
    item = created.json()
    assert item["item_type"] == "maturity_stage"
    assert item["sequencing_mode"] == "parallel"

    listed = client.get(
        f"/api/initiatives/{initiative_id}/roadmap/items",
        headers=_auth(token),
    )
    assert listed.status_code == 200
    assert len(listed.json()) >= 1

    patched = client.patch(
        f"/api/roadmap-items/{item['id']}",
        json={"status": "at_risk"},
        headers=_auth(token),
    )
    assert patched.status_code == 200
    assert patched.json()["status"] == "at_risk"

    deleted = client.delete(f"/api/roadmap-items/{item['id']}", headers=_auth(token))
    assert deleted.status_code == 204


def test_verify_reached_requires_evidence(client):
    user = provision_user_in_tenant(tenant_role="member")
    token = _login(client, user)
    initiative_id = _create_initiative(client, token).json()["id"]
    item = _create_roadmap_item(client, token, initiative_id, status="active").json()

    fail = client.post(
        f"/api/roadmap-items/{item['id']}/verify-reached",
        headers=_auth(token),
    )
    assert fail.status_code == 400

    evidence = client.post(
        f"/api/initiatives/{initiative_id}/evidence",
        json={
            "title": "Nachweis",
            "roadmap_item_id": item["id"],
            "status": "accepted",
        },
        headers=_auth(token),
    )
    assert evidence.status_code == 201

    ok = client.post(
        f"/api/roadmap-items/{item['id']}/verify-reached",
        headers=_auth(token),
    )
    assert ok.status_code == 200
    assert ok.json()["status"] == "reached"
    assert ok.json()["verify_reason"] == "evidence_accepted"


def test_milestone_compat_api_uses_roadmap(client):
    user = provision_user_in_tenant(tenant_role="member")
    token = _login(client, user)
    initiative_id = _create_initiative(client, token).json()["id"]

    created = client.post(
        f"/api/initiatives/{initiative_id}/milestones",
        json={"title": "Legacy MS", "status": "planned"},
        headers=_auth(token),
    )
    assert created.status_code == 201
    ms_id = created.json()["id"]

    roadmap = client.get(
        f"/api/initiatives/{initiative_id}/roadmap/items",
        headers=_auth(token),
    ).json()
    assert any(i["id"] == ms_id and i["item_type"] == "milestone" for i in roadmap)


def test_steering_snapshot_reads_roadmap_items(client):
    user = provision_user_in_tenant(tenant_role="member")
    token = _login(client, user)
    initiative_id = _create_initiative(client, token).json()["id"]
    _create_roadmap_item(client, token, initiative_id, status="active", target_date="2026-12-31")

    snap = client.get(
        f"/api/initiatives/{initiative_id}/steering-snapshot",
        headers=_auth(token),
    ).json()
    assert snap.get("roadmap_items")
    assert snap.get("upcoming_milestones")
    assert len(snap["upcoming_roadmap_items"]) >= 1