"""Shared test fixtures."""

from __future__ import annotations

from datetime import datetime, timezone
from uuid import UUID, uuid4

import pytest

from mosaicstack_telemetry.config import TelemetryConfig
from mosaicstack_telemetry.types.events import (
    Complexity,
    Harness,
    Outcome,
    Provider,
    TaskCompletionEvent,
    TaskType,
)
from mosaicstack_telemetry.types.predictions import (
    CorrectionFactors,
    PredictionData,
    PredictionMetadata,
    PredictionQuery,
    PredictionResponse,
    QualityPrediction,
    TokenDistribution,
)

TEST_API_KEY = "a" * 64
TEST_INSTANCE_ID = "12345678-1234-1234-1234-123456789abc"
TEST_SERVER_URL = "https://telemetry.example.com"


@pytest.fixture()
def config() -> TelemetryConfig:
    """Create a valid test configuration."""
    return TelemetryConfig(
        server_url=TEST_SERVER_URL,
        api_key=TEST_API_KEY,
        instance_id=TEST_INSTANCE_ID,
        submit_interval_seconds=1.0,
        max_queue_size=100,
        batch_size=10,
        request_timeout_seconds=5.0,
        max_retries=1,
    )


@pytest.fixture()
def dry_run_config() -> TelemetryConfig:
    """Create a test configuration with dry_run enabled."""
    return TelemetryConfig(
        server_url=TEST_SERVER_URL,
        api_key=TEST_API_KEY,
        instance_id=TEST_INSTANCE_ID,
        submit_interval_seconds=1.0,
        max_queue_size=100,
        batch_size=10,
        request_timeout_seconds=5.0,
        dry_run=True,
        max_retries=1,
    )


@pytest.fixture()
def disabled_config() -> TelemetryConfig:
    """Create a disabled test configuration."""
    return TelemetryConfig(
        server_url=TEST_SERVER_URL,
        api_key=TEST_API_KEY,
        instance_id=TEST_INSTANCE_ID,
        enabled=False,
    )


@pytest.fixture()
def sample_instance_id() -> UUID:
    """Return a fixed instance UUID for testing."""
    return UUID(TEST_INSTANCE_ID)


@pytest.fixture()
def sample_event(sample_instance_id: UUID) -> TaskCompletionEvent:
    """Create a sample task completion event."""
    return TaskCompletionEvent(
        instance_id=sample_instance_id,
        event_id=uuid4(),
        timestamp=datetime.now(timezone.utc),
        task_duration_ms=30000,
        task_type=TaskType.IMPLEMENTATION,
        complexity=Complexity.MEDIUM,
        harness=Harness.CLAUDE_CODE,
        model="claude-sonnet-4-20250514",
        provider=Provider.ANTHROPIC,
        estimated_input_tokens=5000,
        estimated_output_tokens=2000,
        actual_input_tokens=5200,
        actual_output_tokens=1800,
        estimated_cost_usd_micros=10000,
        actual_cost_usd_micros=9500,
        quality_gate_passed=True,
        quality_gates_run=[],
        quality_gates_failed=[],
        context_compactions=0,
        context_rotations=0,
        context_utilization_final=0.4,
        outcome=Outcome.SUCCESS,
        retry_count=0,
        language="python",
        repo_size_category=None,
    )


def make_event(instance_id: UUID | None = None) -> TaskCompletionEvent:
    """Factory helper to create a sample event with optional overrides."""
    return TaskCompletionEvent(
        instance_id=instance_id or UUID(TEST_INSTANCE_ID),
        event_id=uuid4(),
        timestamp=datetime.now(timezone.utc),
        task_duration_ms=15000,
        task_type=TaskType.DEBUGGING,
        complexity=Complexity.LOW,
        harness=Harness.AIDER,
        model="gpt-4o",
        provider=Provider.OPENAI,
        estimated_input_tokens=1000,
        estimated_output_tokens=500,
        actual_input_tokens=1100,
        actual_output_tokens=480,
        estimated_cost_usd_micros=3000,
        actual_cost_usd_micros=2800,
        quality_gate_passed=True,
        quality_gates_run=[],
        quality_gates_failed=[],
        context_compactions=0,
        context_rotations=0,
        context_utilization_final=0.2,
        outcome=Outcome.SUCCESS,
        retry_count=0,
    )


@pytest.fixture()
def sample_prediction_query() -> PredictionQuery:
    """Create a sample prediction query."""
    return PredictionQuery(
        task_type=TaskType.IMPLEMENTATION,
        model="claude-sonnet-4-20250514",
        provider=Provider.ANTHROPIC,
        complexity=Complexity.MEDIUM,
    )


@pytest.fixture()
def sample_prediction_response() -> PredictionResponse:
    """Create a sample prediction response."""
    return PredictionResponse(
        prediction=PredictionData(
            input_tokens=TokenDistribution(p10=1000, p25=2000, median=3000, p75=4000, p90=5000),
            output_tokens=TokenDistribution(p10=500, p25=1000, median=1500, p75=2000, p90=2500),
            cost_usd_micros={"p10": 1000, "median": 3000, "p90": 5000},
            duration_ms={"p10": 10000, "median": 30000, "p90": 60000},
            correction_factors=CorrectionFactors(input=1.05, output=0.95),
            quality=QualityPrediction(gate_pass_rate=0.85, success_rate=0.9),
        ),
        metadata=PredictionMetadata(
            sample_size=150,
            fallback_level=0,
            confidence="high",
        ),
    )


def make_batch_response_json(events: list[TaskCompletionEvent]) -> dict:
    """Create a batch response JSON dict for a list of events (all accepted)."""
    return {
        "accepted": len(events),
        "rejected": 0,
        "results": [
            {"event_id": str(e.event_id), "status": "accepted", "error": None} for e in events
        ],
    }