"""
Behavior tests for the cache analytics queries against a real Postgres. The info-route
exclusion and the Unknown grouping live in SQL, so these tests are the ones that exercise
them; the endpoint wiring is unit-tested in
tests/unit/proxy/analytics_endpoints/test_analytics_endpoints.py.
"""

import json
import uuid
from collections.abc import AsyncIterator
from datetime import datetime
from typing import Final

import pytest
import pytest_asyncio
from prisma import Prisma

from litellm.proxy.analytics_endpoints.cache_activity import (
    ERROR_BREAKDOWN_SQL,
    GROUPS_SQL,
    INFO_ROUTES_JSON,
    KEY_ALIAS_OPTIONS_SQL,
    MODEL_OPTIONS_SQL,
)
from tests.integration._support.prisma_clients import connected_prisma

pytestmark = pytest.mark.asyncio(loop_scope="session")

DAY: Final = datetime(2001, 3, 7)
AT_NOON: Final = DAY.replace(hour=12)
RUN: Final = uuid.uuid4()
INFERENCE_KEY: Final = f"ca-inference-{RUN}"
INFO_ONLY_KEY: Final = f"ca-info-only-{RUN}"
OUTSIDER_KEY: Final = f"ca-outsider-{RUN}"
INFERENCE_ALIAS: Final = f"alias-inference-{RUN}"
INFO_ONLY_ALIAS: Final = f"alias-info-only-{RUN}"
OUTSIDER_ALIAS: Final = f"alias-outsider-{RUN}"
INFERENCE_MODEL: Final = f"gpt-5.4-mini-{RUN}"
INFO_ONLY_MODEL: Final = f"ghost-model-{RUN}"
NO_FILTER: Final = "[]"
OWNER: Final = f"owner-{RUN}"
OWNER_TEAM: Final = f"team-{RUN}"
OUTSIDER: Final = f"outsider-{RUN}"
GRANT_ALL: Final = (True, None, "[]")
NO_GRANTS: Final = (False, None, "[]")


@pytest_asyncio.fixture(scope="module", loop_scope="session")
async def db() -> AsyncIterator[Prisma]:
    async with connected_prisma() as client:
        yield client


async def _spend_log(
    db,
    api_key: str,
    call_type: str,
    status: str,
    model: str = "",
    error_code: str = "",
    user: str = "",
    team_id: str = "",
) -> None:
    metadata: Final = {"error_information": {"error_code": error_code, "error_class": "ProxyException"}}
    await db.execute_raw(
        'INSERT INTO "LiteLLM_SpendLogs" ("request_id", "call_type", "api_key", "startTime", "endTime", "model", '
        '"status", "metadata", "user", "team_id") '
        "VALUES ($1, $2, $3, $4::timestamp, $4::timestamp, $5, $6, $7::jsonb, $8, $9)",
        str(uuid.uuid4()),
        call_type,
        api_key,
        AT_NOON,
        model,
        status,
        json.dumps(metadata if status == "failure" else {}),
        user,
        team_id,
    )


@pytest.fixture(scope="module", autouse=True)
async def seeded(db):
    for token, alias in (
        (INFERENCE_KEY, INFERENCE_ALIAS),
        (INFO_ONLY_KEY, INFO_ONLY_ALIAS),
        (OUTSIDER_KEY, OUTSIDER_ALIAS),
    ):
        await db.execute_raw(
            'INSERT INTO "LiteLLM_VerificationToken" ("token", "key_alias") VALUES ($1, $2)', token, alias
        )
    await _spend_log(db, INFERENCE_KEY, "acompletion", "success", model=INFERENCE_MODEL, user=OWNER)
    await _spend_log(
        db, INFERENCE_KEY, "acompletion", "failure", model=INFERENCE_MODEL, error_code="429", team_id=OWNER_TEAM
    )
    await _spend_log(db, INFERENCE_KEY, "", "failure", error_code="401", user=OUTSIDER)
    await _spend_log(db, INFERENCE_KEY, "/model/info", "failure", error_code="401", user=OWNER)
    await _spend_log(db, INFO_ONLY_KEY, "/v1/models", "failure", model=INFO_ONLY_MODEL, error_code="401", user=OUTSIDER)
    await _spend_log(db, INFO_ONLY_KEY, "/key/info", "success", user=OUTSIDER)
    await _spend_log(db, OUTSIDER_KEY, "acompletion", "success", model=INFERENCE_MODEL, user=OUTSIDER)
    yield
    keys: Final = [INFERENCE_KEY, INFO_ONLY_KEY, OUTSIDER_KEY]
    await db.execute_raw('DELETE FROM "LiteLLM_SpendLogs" WHERE "api_key" = ANY($1::text[])', keys)
    await db.execute_raw('DELETE FROM "LiteLLM_VerificationToken" WHERE "token" = ANY($1::text[])', keys)


async def _groups(db, key_aliases: list[str], scope: tuple = GRANT_ALL) -> dict[str, dict]:
    rows: Final = await db.query_raw(GROUPS_SQL, DAY, DAY, json.dumps(key_aliases), NO_FILTER, INFO_ROUTES_JSON, *scope)
    return {row["call_type"]: row for row in rows}


async def test_groups_drop_info_routes_and_keep_unknown_for_rows_without_an_endpoint(db):
    groups: Final = await _groups(db, [INFERENCE_ALIAS])
    assert set(groups) == {"acompletion", "Unknown"}
    assert (groups["acompletion"]["api_requests"], groups["acompletion"]["failed_requests"]) == (1, 1)
    assert (groups["Unknown"]["api_requests"], groups["Unknown"]["failed_requests"]) == (0, 1)


async def test_key_with_only_info_route_traffic_has_no_groups(db):
    assert await _groups(db, [INFO_ONLY_ALIAS]) == {}


async def test_error_breakdown_drops_info_routes(db):
    rows: Final = await db.query_raw(
        ERROR_BREAKDOWN_SQL,
        DAY,
        DAY,
        json.dumps([INFERENCE_ALIAS, INFO_ONLY_ALIAS]),
        NO_FILTER,
        INFO_ROUTES_JSON,
        *GRANT_ALL,
    )
    assert {(row["call_type"], row["error_code"], row["count"]) for row in rows} == {
        ("acompletion", "429", 1),
        ("Unknown", "401", 1),
    }


async def test_filter_options_only_offer_values_that_return_analytics(db):
    key_alias_rows: Final = await db.query_raw(KEY_ALIAS_OPTIONS_SQL, DAY, DAY, INFO_ROUTES_JSON, *GRANT_ALL)
    model_rows: Final = await db.query_raw(MODEL_OPTIONS_SQL, DAY, DAY, INFO_ROUTES_JSON, *GRANT_ALL)
    key_aliases: Final = {row["key_alias"] for row in key_alias_rows}
    models: Final = {row["model"] for row in model_rows}
    assert INFERENCE_ALIAS in key_aliases and INFO_ONLY_ALIAS not in key_aliases
    assert INFERENCE_MODEL in models and INFO_ONLY_MODEL not in models


def _owner_scope(team_ids: list[str]) -> tuple:
    return (False, OWNER, json.dumps(team_ids))


async def test_scoped_groups_cover_own_rows_and_permitted_team_rows_only(db):
    own_only: Final = await _groups(db, [INFERENCE_ALIAS], scope=_owner_scope([]))
    assert {(g["api_requests"], g["failed_requests"]) for g in own_only.values()} == {(1, 0)}

    with_team: Final = await _groups(db, [INFERENCE_ALIAS], scope=_owner_scope([OWNER_TEAM]))
    assert (with_team["acompletion"]["api_requests"], with_team["acompletion"]["failed_requests"]) == (1, 1)
    assert "Unknown" not in with_team, "the outsider's row must stay invisible"


async def test_scope_without_grants_returns_nothing(db):
    assert await _groups(db, [INFERENCE_ALIAS], scope=NO_GRANTS) == {}


async def test_scoped_error_breakdown_excludes_other_users_failures(db):
    rows: Final = await db.query_raw(
        ERROR_BREAKDOWN_SQL,
        DAY,
        DAY,
        json.dumps([INFERENCE_ALIAS, INFO_ONLY_ALIAS]),
        NO_FILTER,
        INFO_ROUTES_JSON,
        *_owner_scope([OWNER_TEAM]),
    )
    assert {(row["call_type"], row["error_code"], row["count"]) for row in rows} == {("acompletion", "429", 1)}


async def test_scoped_filter_options_hide_other_users_key_aliases(db):
    unscoped_rows: Final = await db.query_raw(KEY_ALIAS_OPTIONS_SQL, DAY, DAY, INFO_ROUTES_JSON, *GRANT_ALL)
    assert OUTSIDER_ALIAS in {row["key_alias"] for row in unscoped_rows}, (
        "seed must make the outsider visible to admins"
    )

    scoped_rows: Final = await db.query_raw(KEY_ALIAS_OPTIONS_SQL, DAY, DAY, INFO_ROUTES_JSON, *_owner_scope([]))
    scoped_aliases: Final = {row["key_alias"] for row in scoped_rows}
    assert INFERENCE_ALIAS in scoped_aliases and OUTSIDER_ALIAS not in scoped_aliases