"""Tests for the extraction worker persistence logic.

Validates that persist_extraction correctly uploads artifacts to MinIO
and persists intelligence/impact records to PostgreSQL.

Requirements: 5.1, 5.2, 5.3, 5.4, 5.5, 9.1, 9.2
"""
from __future__ import annotations

import json
from datetime import datetime, timezone
from unittest.mock import AsyncMock, MagicMock, patch

import pytest

from services.extractor.client import ExtractionAttempt, ExtractionResponse
from services.extractor.schemas import ExtractionResult, ValidationReport
from services.extractor.worker import persist_extraction


def _make_valid_result() -> ExtractionResult:
    """Build a minimal valid ExtractionResult."""
    return ExtractionResult.model_validate({
        "summary": "Apple beat earnings expectations.",
        "companies": [
            {
                "ticker": "AAPL",
                "company_name": "Apple Inc.",
                "relevance": 0.95,
                "sentiment": "positive",
                "impact_score": 0.7,
                "impact_horizon": "1d_30d",
                "catalyst_type": "earnings",
                "key_facts": ["Revenue up 12%"],
                "risks": [],
                "evidence_spans": ["Apple beat expectations"],
            }
        ],
        "macro_themes": ["ai_capex"],
        "novelty_score": 0.6,
        "confidence": 0.85,
        "extraction_warnings": [],
    })


def _make_success_response() -> ExtractionResponse:
    """Build a successful ExtractionResponse with one attempt."""
    result = _make_valid_result()
    validation = ValidationReport(valid=True, errors=[], warnings=[], parsed=result)
    attempt = ExtractionAttempt(
        raw_output=result.model_dump_json(),
        validation=validation,
        error=None,
        duration_ms=500,
        model="test-model",
    )
    return ExtractionResponse(
        success=True,
        result=result,
        attempts=[attempt],
        prompt_metadata={"prompt_version": "document-intel-v1", "schema_version": "2.0.0"},
        model="test-model",
        total_duration_ms=500,
    )


def _make_failed_response() -> ExtractionResponse:
    """Build a failed ExtractionResponse with two attempts."""
    attempt1 = ExtractionAttempt(
        raw_output="bad json",
        validation=None,
        error="invalid_json",
        duration_ms=200,
        model="test-model",
    )
    attempt2 = ExtractionAttempt(
        raw_output="still bad",
        validation=ValidationReport(valid=False, errors=["schema_fail"], warnings=[]),
        error="schema_fail",
        duration_ms=300,
        model="test-model",
    )
    return ExtractionResponse(
        success=False,
        result=None,
        attempts=[attempt1, attempt2],
        prompt_metadata={"prompt_version": "document-intel-v1", "schema_version": "2.0.0"},
        model="test-model",
        total_duration_ms=500,
    )


def _mock_pool(intel_id: str = "intel-uuid-1", impact_id: str = "impact-uuid-1") -> AsyncMock:
    """Create a mock asyncpg pool that returns predictable UUIDs."""
    pool = AsyncMock()
    # Side effects: intelligence insert, impact insert, metrics insert
    pool.fetchval = AsyncMock(side_effect=[intel_id, impact_id, "metrics-uuid-1"])
    pool.execute = AsyncMock()
    return pool


def _mock_minio() -> MagicMock:
    """Create a mock MinIO client."""
    client = MagicMock()
    return client


@pytest.mark.asyncio
async def test_persist_successful_extraction():
    """Successful extraction persists all artifacts and intelligence records."""
    pool = _mock_pool()
    minio = _mock_minio()
    response = _make_success_response()
    ts = datetime(2026, 4, 11, 12, 0, 0, tzinfo=timezone.utc)

    result = await persist_extraction(
        pool=pool,
        minio_client=minio,
        document_id="doc-123",
        ticker="AAPL",
        extraction_response=response,
        company_id_map={"AAPL": "company-uuid-1"},
        source_credibility=0.8,
        timestamp=ts,
    )

    assert result.success
    assert result.intelligence_id == "intel-uuid-1"
    assert result.impact_ids == ["impact-uuid-1"]
    assert result.prompt_ref is not None
    assert "stonks-llm-prompts" in result.prompt_ref
    assert result.raw_output_ref is not None
    assert "stonks-llm-results" in result.raw_output_ref
    assert result.validation_ref is not None
    assert result.intelligence_ref is not None

    # MinIO should have 4 uploads: prompt, raw output, validation, intelligence
    assert minio.put_object.call_count == 4

    # PostgreSQL: 1 intelligence insert + 1 impact insert + 1 metrics insert + 1 status update
    assert pool.fetchval.call_count == 3
    assert pool.execute.call_count == 1


@pytest.mark.asyncio
async def test_persist_failed_extraction():
    """Failed extraction still persists attempt data and marks document as failed."""
    pool = AsyncMock()
    pool.fetchval = AsyncMock(return_value="intel-uuid-fail")
    pool.execute = AsyncMock()
    minio = _mock_minio()
    response = _make_failed_response()
    ts = datetime(2026, 4, 11, 12, 0, 0, tzinfo=timezone.utc)

    result = await persist_extraction(
        pool=pool,
        minio_client=minio,
        document_id="doc-456",
        ticker="AAPL",
        extraction_response=response,
        timestamp=ts,
    )

    assert not result.success
    assert result.intelligence_id == "intel-uuid-fail"
    assert result.intelligence_ref is None  # no final intelligence on failure
    assert result.prompt_ref is not None
    assert result.raw_output_ref is not None
    assert result.validation_ref is not None

    # MinIO: 3 uploads (prompt, raw output, validation — no intelligence)
    assert minio.put_object.call_count == 3

    # PostgreSQL: 1 intelligence insert + 1 metrics insert + 1 status update
    assert pool.fetchval.call_count == 2
    assert pool.execute.call_count == 1


@pytest.mark.asyncio
async def test_persist_skips_impact_without_company_id():
    """Impact records are skipped when company_id_map doesn't have the ticker."""
    pool = AsyncMock()
    pool.fetchval = AsyncMock(return_value="intel-uuid-2")
    pool.execute = AsyncMock()
    minio = _mock_minio()
    response = _make_success_response()

    result = await persist_extraction(
        pool=pool,
        minio_client=minio,
        document_id="doc-789",
        ticker="AAPL",
        extraction_response=response,
        company_id_map={},  # no mapping for AAPL
    )

    assert result.success
    assert result.impact_ids == []
    # 1 fetchval for intelligence + 1 for metrics, no impact insert
    assert pool.fetchval.call_count == 2