#!/bin/bash

# Parallel Feature Test Runner Script
# Runs multiple feature tests in parallel with proper isolation

set -e

SCRIPTS_DIR=$(dirname `realpath ${BASH_SOURCE[0]}`)
cd $SCRIPTS_DIR/..

echo "🚀 Parallel Feature Test Runner"
echo "================================"
echo

# Define features and their ports
declare -a features=(
    "auth:9192"
    "config:9193"
    "greet:9194"
    "health:9195"
    "jwt:9196"
)

# Function to run a single feature test
run_feature_test() {
    local feature_port="$1"
    local feature_name="$2"
    local port="$3"
    
    echo "🧪 Starting ${feature_name} feature tests on port ${port}..."
    
    # Set feature-specific environment variables
    export DLC_DATABASE_HOST="localhost"
    export DLC_DATABASE_PORT="5432"
    export DLC_DATABASE_USER="postgres"
    export DLC_DATABASE_PASSWORD="postgres"
    export DLC_DATABASE_NAME="dance_lessons_coach_${feature_name}_test"
    export DLC_DATABASE_SSL_MODE="disable"
    
    # Create feature-specific database using docker
    if ! docker exec dance-lessons-coach-postgres psql -U postgres -lqt | cut -d \| -f 1 | grep -qw "${DLC_DATABASE_NAME}"; then
        echo "📦 Creating ${feature_name} test database..."
        docker exec dance-lessons-coach-postgres createdb -U postgres "${DLC_DATABASE_NAME}"
    fi
    
    # Run the feature tests with tag exclusion
    cd "features/${feature_name}"
    FEATURE=${feature_name} DLC_DATABASE_NAME="${DLC_DATABASE_NAME}" go test -v . -tags="~@flaky && ~@todo && ~@skip" 2>&1 | grep -E "(PASS|FAIL|RUN)" || true
    
    # Cleanup
    cd ../..
    docker exec dance-lessons-coach-postgres dropdb -U postgres "${DLC_DATABASE_NAME}" 2>/dev/null || true
    
    echo "✅ ${feature_name} feature tests completed"
}

# Check if PostgreSQL is running
if ! docker ps --format '{{.Names}}' | grep -q "^dance-lessons-coach-postgres$"; then
    echo "❌ PostgreSQL container is not running. Please start PostgreSQL first."
    echo "💡 Try: docker compose up -d postgres"
    exit 1
fi

# Check if PostgreSQL is ready
max_attempts=10
attempt=0
while [ $attempt -lt $max_attempts ]; do
    if docker exec dance-lessons-coach-postgres pg_isready -U postgres 2>/dev/null; then
        break
    fi
    attempt=$((attempt + 1))
    sleep 1
done

if [ $attempt -eq $max_attempts ]; then
    echo "❌ PostgreSQL is not ready. Please check the container logs."
    exit 1
fi

echo "✅ PostgreSQL is ready for parallel testing"
echo

# Run feature tests in parallel
for feature_port in "${features[@]}"; do
    # Split feature:port into separate variables
    IFS=':' read -r feature_name port <<< "${feature_port}"
    
    # Run test in background
    run_feature_test "${feature_port}" "${feature_name}" "${port}" &
    
done

# Wait for all background processes to complete
wait

echo
echo "🎉 All parallel feature tests completed!"
echo "📊 Check individual feature test outputs above for results"