from __future__ import annotations

from collections import Counter

from govoplan_campaign.backend.router import router
from govoplan_campaign.backend.routes.attachments import router as attachments_router
from govoplan_campaign.backend.routes.campaigns import router as campaigns_router
from govoplan_campaign.backend.routes.delivery import router as delivery_router
from govoplan_campaign.backend.routes.jobs import router as jobs_router
from govoplan_campaign.backend.routes.reports import router as reports_router
from govoplan_campaign.backend.routes.sharing import router as sharing_router
from govoplan_campaign.backend.routes.versions import router as versions_router


def _operation_keys(candidate_router) -> list[tuple[str, str]]:
    return [
        (method, route.path)
        for route in candidate_router.routes
        for method in sorted(route.methods or ())
    ]


def test_campaign_router_composes_every_workflow_operation_once() -> None:
    workflow_routers = (
        campaigns_router,
        versions_router,
        jobs_router,
        reports_router,
        sharing_router,
        delivery_router,
        attachments_router,
    )
    expected = [
        operation
        for workflow_router in workflow_routers
        for operation in _operation_keys(workflow_router)
    ]
    actual = _operation_keys(router)

    assert actual == expected
    assert len(actual) == 62
    assert not [operation for operation, count in Counter(actual).items() if count > 1]


def test_key_routes_are_owned_by_their_focused_router() -> None:
    expectations = (
        (campaigns_router, ("GET", "/campaigns/{campaign_id}/workspace")),
        (versions_router, ("POST", "/campaigns/versions/{version_id}/build")),
        (jobs_router, ("GET", "/campaigns/{campaign_id}/jobs")),
        (reports_router, ("GET", "/campaigns/{campaign_id}/report")),
        (sharing_router, ("POST", "/campaigns/{campaign_id}/shares")),
        (delivery_router, ("POST", "/campaigns/{campaign_id}/send-now")),
        (
            attachments_router,
            (
                "POST",
                "/campaigns/{campaign_id}/versions/{version_id}/attachments/preview",
            ),
        ),
    )

    for workflow_router, operation in expectations:
        assert operation in _operation_keys(workflow_router)