import json
from pathlib import Path
from types import SimpleNamespace
from typing import cast
from uuid import uuid4

import pytest
from pydantic import ValidationError

from ai_platform.bootstrap.app import create_app
from ai_platform.infrastructure.config.settings import Settings
from ai_platform.lead_scoring.application.repository import ScoringRunRecord
from ai_platform.lead_scoring.application.run_use_cases import to_run_detail
from ai_platform.presentation.http.routes import to_detail_json
from ai_platform.presentation.http.run_responses import RunDetail, RunMetrics


def test_committed_openapi_matches_provider_routes():
    path = Path(__file__).resolve().parents[1] / "contracts/lead-scoring/v2/openapi.json"
    assert json.loads(path.read_text()) == create_app(Settings()).openapi()


def test_run_detail_and_summary_responses_are_documented():
    openapi = create_app(Settings()).openapi()
    paths = openapi["paths"]
    schemas = openapi["components"]["schemas"]
    assert openapi["components"]["securitySchemes"]["HTTPBearer"] == {
        "type": "http",
        "scheme": "bearer",
    }
    for path, method, statuses in (
        ("/v1/lead-scoring/runs", "post", {"200", "202", "401", "403", "409", "413", "422", "503"}),
        ("/v1/lead-scoring/runs/{run_id}", "get", {"200", "401", "403", "404", "422", "503"}),
    ):
        operation = paths[path][method]
        assert operation["security"] == [{"HTTPBearer": []}]
        assert statuses <= set(operation["responses"])
        assert operation["responses"]["422"]["content"]["application/json"]["schema"] == {
            "$ref": "#/components/schemas/ScoringError"
        }

    assert paths["/v1/lead-scoring/runs"]["post"]["responses"]["202"]["content"][
        "application/json"
    ]["schema"] == {"$ref": "#/components/schemas/RunSummary"}
    assert paths["/v1/lead-scoring/runs"]["post"]["responses"]["200"]["content"][
        "application/json"
    ]["schema"] == {"$ref": "#/components/schemas/RunSummary"}
    assert paths["/v1/lead-scoring/runs/{run_id}"]["get"]["responses"]["200"]["content"][
        "application/json"
    ]["schema"] == {"$ref": "#/components/schemas/RunDetail"}
    assert paths["/v1/admin/runs"]["get"]["responses"]["200"]["content"]["application/json"][
        "schema"
    ] == {"$ref": "#/components/schemas/RunList"}
    assert paths["/v1/admin/runs/{run_id}"]["get"]["responses"]["200"]["content"][
        "application/json"
    ]["schema"] == {"$ref": "#/components/schemas/RunDetail"}

    assert "snapshot" not in schemas["RunSummary"]["properties"]
    assert "metrics" not in schemas["RunSummary"]["properties"]
    assert "snapshot" in schemas["RunDetail"]["properties"]
    assert "metrics" in schemas["RunDetail"]["properties"]
    assert "ai_evidence" in schemas["RunDetail"]["properties"]
    assert "profile_field_count" in schemas["RunMetrics"]["properties"]
    assert "conversation_turn_count" in schemas["RunMetrics"]["properties"]
    assert "contact_started_conversation_count" in schemas["RunMetrics"]["properties"]
    assert "contact_message_recency_hours" in schemas["RunMetrics"]["properties"]
    assert "contact_message_recency_hours" in schemas["RunMetrics"]["required"]
    assert schemas["RunMetrics"]["properties"]["customer_initiated_return"]["type"] == "boolean"
    assert (
        "original snapshot position"
        in schemas["RunMetrics"]["properties"]["customer_initiated_return"]["description"]
    )
    assert schemas["RunDetail"]["properties"]["ai_evidence"]["anyOf"][0]["maxItems"] == 20
    assert schemas["RunList"]["properties"]["runs"]["items"] == {
        "$ref": "#/components/schemas/RunSummary"
    }
    assert paths["/v1/admin/apps"]["get"]["responses"]["200"]["content"]["application/json"][
        "schema"
    ] == {"$ref": "#/components/schemas/AppList"}
    assert "verifier" not in schemas["AppSummary"]["properties"]
    assert "app_api_key" not in schemas["AppSummary"]["properties"]
    assert not any("tenant-key" in path for path in paths)


def test_run_detail_serializes_new_metrics_and_requires_boolean_values():
    snapshot = {
        "captured_at": "2025-09-25T10:00:00Z",
        "lead_profile": {"ems_lead_id": "lead-1"},
        "conversations": [
            {"conversation_id": "empty", "messages": []},
            {
                "conversation_id": "first",
                "messages": [
                    {
                        "message_id": "m1",
                        "sender_type": "agent",
                        "content": "Hello",
                        "sent_at": "2025-09-25T08:00:00Z",
                    }
                ],
            },
            {
                "conversation_id": "second",
                "messages": [
                    {
                        "message_id": "m2",
                        "sender_type": "contact",
                        "content": "Thanks",
                        "sent_at": "2025-09-25T09:00:00Z",
                    }
                ],
            },
        ],
    }
    row = SimpleNamespace(
        id=str(uuid4()),
        request_id=str(uuid4()),
        app_id="omni-local",
        account_id="3",
        status="completed",
        profile_version="profile-v1",
        rule_score=80,
        ai_score=None,
        final_score=80,
        degraded=False,
        result_mode="rules_only",
        error_code=None,
        breakdown=[],
        created_at=None,
        completed_at=None,
        request={"snapshot": snapshot},
        ai_confidence=None,
        ai_reasoning=None,
        ai_evidence=None,
    )

    detail = RunDetail.model_validate(to_detail_json(to_run_detail(cast(ScoringRunRecord, row))))

    assert detail.metrics.conversation_count == 3
    assert detail.metrics.contact_message_recency_days == 0.04
    assert detail.metrics.contact_message_recency_hours == 1.0
    assert detail.metrics.contact_started_conversation_count == 1
    assert detail.metrics.customer_initiated_return is True
    with pytest.raises(ValidationError):
        RunMetrics.model_validate({**detail.metrics.model_dump(), "customer_initiated_return": 1})


def test_required_routes_are_registered():
    app = create_app(Settings())
    paths = set(app.openapi()["paths"])
    assert {
        "/v1/admin/login",
        "/v1/admin/logout",
        "/v1/admin/me",
        "/v1/admin/ai-profiles",
        "/v1/admin/runs",
        "/v1/admin/runs/{run_id}",
        "/v1/admin/apps",
        "/v1/admin/apps/{app_id}",
        "/v1/lead-scoring/runs",
        "/v1/lead-scoring/runs/{run_id}",
    } <= paths