#!/bin/bash
# Database Query Optimization Verification Script
# Agent 135 - 2025-10-14

DB_URL="postgresql://foxhunt:foxhunt_dev_password@localhost:5432/foxhunt"

echo "========================================"
echo "DATABASE OPTIMIZATION VERIFICATION"
echo "========================================"
echo ""

# Test 1: Check migration applied
echo "Test 1: Migration 025 Objects Created"
echo "--------------------------------------"
echo -n "Function check_model_activity_health: "
psql "$DB_URL" -tAc "SELECT COUNT(*) FROM pg_proc WHERE proname = 'check_model_activity_health';"

echo -n "Function get_ensemble_performance_summary: "
psql "$DB_URL" -tAc "SELECT COUNT(*) FROM pg_proc WHERE proname = 'get_ensemble_performance_summary';"

echo -n "Materialized view model_activity_realtime: "
psql "$DB_URL" -tAc "SELECT COUNT(*) FROM pg_matviews WHERE matviewname = 'model_activity_realtime';"

echo -n "Materialized view paper_trading_execution_summary: "
psql "$DB_URL" -tAc "SELECT COUNT(*) FROM pg_matviews WHERE matviewname = 'paper_trading_execution_summary';"

echo -n "Indexes with 'active' pattern: "
psql "$DB_URL" -tAc "SELECT COUNT(*) FROM pg_indexes WHERE indexname LIKE '%active%';"

echo ""

# Test 2: Query performance comparison
echo "Test 2: Query Performance Benchmark"
echo "------------------------------------"
echo -n "Raw table aggregation (ms): "
psql "$DB_URL" -tAc "EXPLAIN ANALYZE SELECT AVG(ensemble_confidence), AVG(disagreement_rate) FROM ensemble_predictions WHERE timestamp > NOW() - INTERVAL '1 day';" 2>&1 | grep "Execution Time" | awk '{print $3}'

echo -n "Continuous aggregate (ms): "
psql "$DB_URL" -tAc "EXPLAIN ANALYZE SELECT AVG(avg_confidence), AVG(avg_disagreement) FROM ensemble_performance_5min WHERE bucket > NOW() - INTERVAL '1 day';" 2>&1 | grep "Execution Time" | awk '{print $3}'

echo ""

# Test 3: Model activity health check
echo "Test 3: Model Activity Diagnostics"
echo "-----------------------------------"
psql "$DB_URL" -c "SELECT model_name, is_active, predictions_in_window, activity_rate_pct FROM check_model_activity_health(60);"

echo ""

# Test 4: Paper trading execution summary
echo "Test 4: Paper Trading Execution Rate"
echo "-------------------------------------"
psql "$DB_URL" -c "SELECT COUNT(*) as bucket_count, SUM(total_predictions) as total_preds, SUM(executed_orders) as total_orders, ROUND(100.0 * SUM(executed_orders) / NULLIF(SUM(total_predictions), 0), 2) as execution_rate_pct FROM paper_trading_execution_summary WHERE bucket > NOW() - INTERVAL '1 hour';"

echo ""

# Test 5: Index usage
echo "Test 5: New Index Verification"
echo "-------------------------------"
psql "$DB_URL" -c "SELECT indexname FROM pg_indexes WHERE tablename = 'ensemble_predictions' AND indexname LIKE 'idx_ensemble_predictions_%active%' ORDER BY indexname;"

echo ""
echo "========================================"
echo "VERIFICATION COMPLETE"
echo "========================================"
echo ""
echo "Expected Results:"
echo "- All object counts should be > 0"
echo "- Continuous aggregate should be <0.2ms (10x+ faster)"
echo "- All models should show 'false' for is_active (confirms NULL votes issue)"
echo "- Execution rate should be 0% (confirms Agent 123's finding)"
echo "- 4 model-specific indexes should be created"